Web Development

Web Development for Business Websites and Applications

Achieve your business goals with an immaculate website or web application. Our On-Demand App Development work connects web interfaces with mobile products, real-time services, and operations tools.

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Full cycle development to cover all your needs

Enterprise Systems
Front end development
We specialize in developing responsive, user-friendly web interfaces that are designed with the user in mind. Our services include custom website design, HTML/CSS/JavaScript programming, and front-end optimization. With cutting-edge technologies and our dedication to excellence, we will ensure your project is a success.
Web Portals
Backend development
We specialize in developing optimized databases, creating efficient server-side scripting solutions, and integrating third-party APIs for advanced functionality. Our developers work to ensure that all code is secure, scalable, and future-proofed.
Progressive WebApps
QA
Our thorough testing and bug-fixing processes guarantee your website is free from errors, delivering seamless user experience. We test for cross-browser compatibility, responsive design, load time optimization, and more.
Industry-specific Solutions
DevOps
From infrastructure automation to continuous integration and delivery, our team of experts ensures the product is deployed quickly and reliably. We utilize industry-leading tools such as Kubernetes, Ansible, Terraform, and Jenkins to create a reliable CI/CD pipeline.

Web Services We Provide:

CMS WEB DEVELOPMENT
CMS WEB DEVELOPMENT
If you need to launch a web portal, a marketplace, a company blog, or an engaging eCommerce website, our team will provide you with the best CMS solution to simplify content management processes and help you enhance your online presence.
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WEB APPLICATION DEVELOPMENT
WEB APPLICATION DEVELOPMENT
We develop modern web apps for various types of companies in Healthcare, e-Commerce, Social Media, EduTech and other industries. Web apps will help you grow the client base and improve retention!
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WEBSITE DEVELOPMENT SERVICES
WEBSITE DEVELOPMENT SERVICES
Our experienced web developers and designers will make sure your website runs smoothly, looks modern, has a convenient UI and never fails to deliver positive user experiences. The end result is based on a User Journey map, wireframes and a clickable prototype!
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CORPORATE WEBSITE DEVELOPMENT
CORPORATE WEBSITE DEVELOPMENT
Your company website is where potential customers interact with your brand for the first time. We provide corporate website development services to strengthen your image and convert visitors into loyal clients! Our design team will make sure all elements match your style and strategy i.e. fonts, colors, buttons, navigation elements.
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LANDING PAGE DEVELOPMENT
LANDING PAGE DEVELOPMENT
Our team has been working with a variety of different web projects from landing pages to massive website platforms and web apps with thousands of users.
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WORDPRESS WEBSITE DEVELOPMENT
WORDPRESS WEBSITE DEVELOPMENT
Wordpress CMS is perfect for building your website quickly and efficiently. If you need a quick solution to start generating sales right away, our team of Wordpress developers will create a Wordpress-based website for your type of business! Such solution is suitable not only for startups and small projects, but also medium and large brands.
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Billing and invoice software on the rise
Progressive Web Apps
We use the latest technologies to leverage capabilities like client-side caching and offline storage for enhanced user engagement. We can help you build feature-rich PWAs with a focus on performance and scalability that result in improved user retention and higher conversion rates.
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Individual nutrition plans
SaaS and Cloud Computing
Our experienced developers leverage the latest technologies to create SaaS platforms and cloud-based products that can be quickly accessed from anywhere in the world, allowing businesses to focus on growth instead of worrying about storage, scalability, speed, reliability, or security.
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Why choose us as a web development provider?

  • 01

    EXTENSIVE EXPERTISE

    Our team works with proven Agile techniques to ensure the team work efficiency.
  • 02

    FLEXIBLE WITH TECHNOLOGIES

    We carefully analyze every project and always suggest development costs optimization not to cross your budget limit.
  • 03

    AGILE DRIVEN

    Our team works with proven Agile techniques to ensure the team work efficiency.
  • 04

    MINDFUL OPTIMIZATION

    We carefully analyze every project and always suggest development costs optimization not to cross your budget limit.
web-chose

Our technology stack

Web

css3
CSS
typescript
TypeScript
js
JavaScript
reactjs
ReactJS
vuejs
VueJS
angularjs
AngularJS

Mobile

Swift
Swift
kotlin
Kotlin

Backend

nodejs
NodeJS
php
PHP

Database

Amazon
Amazon
firebase
Firebase
AND MANY OTHER TECHNOLOGIES

Our diverse portfolio

SEE ALL PROJECTS

For over 7 years we’ve been successfully delivering web
development projects for our clients.

Our clients say

Emma
Great communication, extremely productive and a genuinely nice group of people to work with. They gave us the advice we needed and made some great recommendations, but also listened very closely to our business goals and the needs of our customers.

Emma Warren-Jones

Co-Founder, Scholarcy
vlot
Ein-des-ein helped us with building and launching our B2B website. The team was great to work with, especially in regards to their client focus and their vibrant UI work. We were highly satisfied with the result and would be glad to recommend ein-des-ein to others.

Sandro Matter

Co-Founder at vlot
dmitry
It was a pleasure to work with Michael and his team. We are happy with the final result which turned to be creative, modern, and accurate. Besides, everything was delivered on time and on budget.

Dmitri Nogin

CEO & Co-founder at Emphy
christopher
The team at Ein-des-ein was amazing to work with. Michael was in constant communication with us every step of the way. They created a superb custom design for our website and developed a crucial backend integration. I will tell you, lose your fear of outsourcing overseas. You will be in talented and honest hands with Ein-des-ein.

Christopher Perry

CEO at Energy for a cause
aladin
The project result was quite impressive. The start, the progress, and the completion — everything was on a good level. I enjoyed the design, it was very professional! The animation was nice, too.

Thank you, Michael and the Ein-des-ein team.

Aladin Ben

Crypto advisor
natalia
The ein-des-ein team is always happy to work on every bit of feedback we give them. It was a great experience! We enjoyed both the process and the final result. Good luck with the future endeavors!

Natalia Walker

Co-Founder & COO at Boataffair
We successfully completed several important steps with the ein-des-ein agency. We've achieved measurable outcomes. We've been pleased with the quality of the deliverables. Everything was great from the initial design specifications to the final app version. We are expecting great engagement and conversions after the release. We look forward to developing more successful projects in the future.

Veronica Akhunova

Co-Founder, Sensters
Workflow was effective. We set up a joint Slack server and had regular review meetings. EDE provided a roadmap early on and then informed us on status and deviations.

Martin Liebrich

CTO, Staxe
Animate 1 Animate 2 Animate 3
Contact us!

Hello! Do you have an amazing app idea but aren’t sure how to start or how successful it might be? Wondering if it’s worth pursuing development? That’s completely normal! We’re here to discuss your initial concept, explore ways to bring it to life, and identify any potential challenges. This is absolutely free! P.s. Rest assured, your contact info will remain confidential Let’s book a call!

Michael
Michael Chepurniak
CEO & Lead Designer




    *We respect your privacy and will never spam you.


    Order a Call


    A business website may need to publish content, take payments, manage bookings, or give customers access to their accounts. The right project scope depends on those tasks and on what the business already runs. New builds, redesigns, and ongoing support therefore need different plans, even when the finished pages appear similar.

    Web Development Services

    Web development services are crucial for the design, creation, and maintenance of websites and web applications. These services are provided by professional agencies, development firms, and freelance developers to help businesses and individuals build their online presence. Typically, offerings include custom website development, eCommerce platform creation, and UX/UI design, while the technical scope often involves backend and frontend development using modern frameworks such as React and Node.js. Additionally, ongoing support and maintenance are essential, featuring performance optimization and security updates, with project delivery timelines generally ranging from 4 to 12 weeks based on the project’s complexity.

    In practical terms, web development covers a site from the first wireframe to the live launch, on both the front end that visitors see and the back end that stores data and runs business logic. A full-service web development company will usually offer web design, custom software development, app development, and website development under one roof, so a business can hire a single development company instead of coordinating separate web design teams and software engineers. That matters because most modern websites are really web applications: they log users in, process orders, sync with a CRM, and pull content from a database. When a development services provider owns the whole stack, the design, the code, and the hosting are planned together, which is how web development services help business growth rather than simply producing a brochure page. Our team at Ein-Des-Ein approaches every engagement this way, pairing web developers with UX designers and a project manager so the website is built by a team that understands your goals, your customers, and your timeline.

    A full catalog of web development services covers far more ground than a single website project. Most buyers are quoted for some mix of web design, website development, back-end software development, and app development, and the right mix depends on what the business sells and how its customers reach it. A development company that offers all of them can start with a marketing website, add a customer portal as a web application, and later extend the same back end to a mobile app without rebuilding the data layer. That matters commercially, because a second vendor learning your systems from scratch is usually the most expensive line in a digital roadmap. When you compare one development services provider with another, ask which disciplines are staffed in-house: front-end and back-end web developers, mobile app engineers, UI and UX designers, quality assurance, and DevOps. Ein-Des-Ein staffs each of these, so a project that begins as website development can grow into full software development without changing partners or losing the context the first team built up.

    web-development-services-that

    Project Types: New Site or Redesign

    Web development services typically encompass both the creation of brand-new websites and the redesign of existing ones.

    New Site Development: This key part of web development services involves building a website from scratch, covering strategy, architecture, web design, and technical implementation to ensure the site is functional, responsive, and aligned with business goals. Whether delivered by a specialist web agency or by a broader software firm that also builds mobile apps, website development focuses on creating effective web applications and online platforms. New site development is essential for businesses launching their online presence or those seeking a completely fresh approach to their digital strategy.

    Website Redesign: This process focuses on updating or replacing an existing site to improve performance, aesthetics, user experience (UX), or functionality. It often includes critical technical considerations such as URL migration, 301 redirects to preserve SEO link equity, and integrating modern web design standards. A web development company or development services provider typically manages these updates to ensure the website aligns with current trends in website development, software development, and app development. Redesigning is ideal for businesses with outdated sites or those aiming to enhance user engagement and conversion rates through comprehensive web development services and the creation of effective web applications.

    Choosing between the two depends on your specific needs. If your current site is underperforming or no longer meets user expectations, a redesign can lift performance, usability, and functionality without giving up the traffic and rankings you already have. If you are starting fresh, building from scratch establishes your online presence, and the planning that goes with it sets the structure every later page inherits.

    Timelines and team shape differ between the two paths as well. A brand-new website development project runs through discovery, web design, front-end build, back-end work, content loading, and testing, and the web design stage takes the most calendar time because brand decisions are being made for the first time. A redesign compresses design work but adds migration work: exporting content, mapping old URLs to new ones, and re-testing every integration that fed the old site. A development company quoting either path should tell you how many web developers and designers are assigned, what they are working on each week, and which decisions it needs from you to keep moving. Ein-Des-Ein staffs a project with the same named people from the first sprint through to launch, so the web development services you were quoted for are delivered by the team you met rather than handed to whoever happens to be free.

    Whichever path you take, the web development process should begin with a short discovery phase that clarifies project goals in writing. For a new site, that consists of defining the audience, the primary calls to action, the content the site needs on day one, and the integrations it must talk to, such as a CRM, payment gateway, or booking system. For a redesign, discovery also includes an audit of the current website: analytics on which pages earn traffic and conversions, technical debt in the existing code, hosting costs, and SEO equity that must be preserved through redirects. Clear goals at this stage result in a fixed scope, a realistic timeline, and a quote a business can actually compare against other web development companies. Our project managers run this discovery as a short, scoped first phase, deliver a written specification with wireframes, and let you decide whether to continue with Ein-Des-Ein for the full website development project. Buyers who skip discovery usually pay for it later in change requests, so treat a development company that insists on it as a good sign rather than an obstacle.

    new-site-or-redesign

    UI and UX Design Centered on User-Friendly Interfaces

    UI and UX design in web development services focuses on creating intuitive, user-friendly interfaces that balance aesthetics (UI) with functionality (UX) to ensure a seamless experience across various devices, platforms, and screen sizes.

    Key factors and practices involved in this process include:

    • Consistency: Maintaining a uniform style across all pages to improve user comfort and provide a predictable, familiar experience from the first visit through to the checkout.
    • User Research and Strategy: Identifying user needs, challenges, and goals through research, competitor analysis, and usability assessments to build a roadmap for the user journey, which is the foundation the rest of the project is designed around.
    • Core Design Elements: Incorporating information architecture to structure content, interaction design for intuitive navigation, and visual design to align with brand identity, the three layers that decide whether visitors find what they came for.
    • Accessibility and Testing: Ensuring inclusive access for users with disabilities and validating design ideas through usability testing before implementation, so engagement problems are caught while they are still cheap to change.

    Responsive design is now the default expectation in user experience design: the same web design has to work on a phone held in one hand, a tablet, and a wide desktop monitor, and it has to load fast on a mobile connection. Good UI/UX design starts with the tasks users actually come to do, whether that is booking a demo, comparing products, or checking an order, and removes every step that does not help them finish. Our designers map those journeys before any software development begins, then test clickable prototypes with real users so the development team builds web applications that are already validated. This front-loaded design work pays off in conversion rates, customer engagement, and user satisfaction after launch, and it lowers the cost of app development because fewer screens are rebuilt later. For a business buyer, the practical check is simple: ask a web development company to show how its design decisions on a past project changed a measurable result, not just how the screens looked.

    Web design and product design overlap heavily once a company runs both a website and a mobile app. A shared design system, covering the type scale, color tokens, spacing, form controls, and component states, lets web developers and mobile engineers build the same feature twice without it looking like two different products, and it shortens every later release because the components already exist. Our designers deliver that system as a component library mapped one-to-one to the front-end components the development team ships, so a button changed in the design file is changed in code in one place. For a buyer, that is the difference between paying for screens and paying for an asset the business keeps. Ask any web development company whether its design handover includes a documented component library and interaction states, or only flat mockups of finished pages, because the answer predicts how much rework the website development and app development phases will cost you later.

    Ein-Des-Ein excels in these areas, drawing on a team of 80+ specialists, 85% of whom are senior developers, to deliver high-quality web development services that prioritize user experience. As a full-cycle web development company, we integrate web design, software development, and app development to create intuitive web applications and websites. Our expertise in website development and comprehensive development services ensures seamless, user-friendly interfaces that align with client goals. This holistic approach to web development lets our development company craft solutions that are both aesthetically pleasing and functionally robust, as demonstrated in successful projects for clients like Bobbie and Scholarcy.

    intuitive-design

    Custom Coding, CMS Platforms, and E-Commerce Store Development

    Web development services generally fall into three delivery approaches, and a good development company will recommend the one that fits your budget and roadmap rather than the one it prefers to sell. Custom coding means the website or web application is developed through modern programming languages and frameworks such as React on the front end and Node.js or Python on the back end, with database integration, an API layer, and a hosting setup designed for your traffic. This custom web solutions route is the right choice when the product is the business, when you need unusual workflows, or when the site must scale into a full software product later. Content management system setups on WordPress or a headless CMS suit marketing sites where the team needs to publish pages without a developer; CMS development still involves custom themes, templates, and plugins, so it is not a no-code shortcut. Our web developers and software engineers work across both, so the recommendation is based on your requirements, and the front-end development and back-end development are handled by one accountable team.

    Budget and timeline follow directly from that choice. CMS development on an established platform reuses proven building blocks, so a marketing site normally reaches launch faster and costs less than custom web application development of comparable scope, while custom software development buys behavior no plugin reproduces and an interface designed around your workflow instead of someone else’s defaults. A useful way to decide is to list the ten things the site must do and mark which ones a standard theme already handles well: if most are ordinary, a CMS build is the sensible purchase, and if most are unusual, custom code is cheaper across three years than fighting the platform.

    E-commerce website development adds payment systems, inventory, tax, and shipping logic on top of the storefront, and it is where security and performance matter most. A secure online store needs PCI-compliant payment integration through providers such as Stripe or PayPal, encrypted checkout, fraud screening, and an order pipeline that syncs with your accounting and fulfillment tools. Depending on catalog size and customization needs, our team builds stores on Shopify, WooCommerce, or as a custom web application development project with a headless storefront and a dedicated back end. In every case the store is secured by SSL, hardened admin access, and regular dependency updates, and it is optimized by image compression, caching, and a content delivery network so product pages load quickly on mobile. For buyers, the questions to ask any development services provider are which platforms it has shipped stores on, how it handles payment provider changes, and how the store will be supported after launch. Ein-Des-Ein documents each of these before the ecommerce build starts, which is how we deliver online stores that grow revenue rather than support tickets.

    Many web development projects turn into software development projects once the first release is live. A booking site becomes a scheduling system, a catalog becomes an inventory tool, and a customer area becomes a portal with roles and permissions. The decision that keeps this affordable is separating the back end from the interface: when business logic sits behind a documented API, the same service can feed the website, an internal dashboard, and a mobile app built with React Native or Flutter, so each new client is a front end rather than a new system. Our development company plans for that split even on small builds, because adding it later means a rewrite. A buyer does not have to specify the whole roadmap up front, but naming the likely next step during discovery tells the web developers which parts to keep flexible. That one conversation often separates web development services that age well from work that needs replacing in two years, and it costs nothing at the point it is easiest to act on.

    Pro-Tip: To safeguard your web projects from vendor lock-in and accumulating technical debt, prioritize open standards and modular architecture from the outset. Choose frameworks, libraries, and services that are widely adopted, well-documented, and allow for easy replacement or integration with alternatives. Avoid proprietary APIs or features that tie your application to a single provider unless absolutely necessary, and always abstract external dependencies behind clear interfaces. Regularly audit your codebase for outdated or tightly coupled components, and allocate time for refactoring and dependency updates as part of your development cycle. This proactive approach ensures you retain control over your technology stack, making future migrations, upgrades, or provider changes far less costly and disruptive.

    custom-coding

    Security Measures: SSL Management and Vulnerability Fixes in Web Development Services

    Security in web development services rests on two routines: keeping an SSL certificate valid so traffic stays encrypted, and patching vulnerabilities in the code and its libraries before anyone exploits them. This proactive approach helps prevent potential breaches that could compromise sensitive data.

    Those patches have to reach the libraries the site depends on, not only the code your own team wrote. Certificate management is the half teams forget, because a certificate that quietly expires puts a browser warning in front of every customer within hours. Taken together, these measures protect stored records, keep checkout and contact forms trustworthy, and prevent the warnings that turn people away before they ever reach a page.

    The practical checklist is short and worth asking about by name: a valid certificate that renews automatically, dependencies patched on a schedule rather than after an incident, administrator accounts limited to the people who need them and protected by two-factor authentication, form inputs validated on the server as well as in the browser, and backups stored somewhere an attacker on the server cannot reach. Each item is cheap while the site is being built and expensive to retrofit once customer data is flowing through it.

    At Ein-Des-Ein we treat this as part of the build rather than an extra line on the invoice. Certificates and their automatic renewal are configured before launch, dependencies are patched on a schedule, administrator access is reviewed whenever someone joins or leaves your team, and every release goes through code review before it reaches production. If a vulnerability is reported in a library your site relies on, the same engineers who wrote the code apply the patch, and you are told what changed and when.

    proactive-web-security

    Speed Optimization and Performance Reporting After Launch

    Effective maintenance services are crucial for ensuring optimal website performance. Here are key components to consider:

    1. Performance Monitoring and Audits: Regular audits and load time analysis, including before and after speed tests that track Core Web Vitals, keep a live site at the performance level it launched with.
    2. Technical Optimization Techniques: Caching, image compression, and code splitting shorten loading times on content pages and interactive screens alike.
    3. Infrastructure and Updates: Managing framework updates, security patches, and content delivery network (CDN) configurations prevents the slow decay that follows an unattended site.
    4. Ongoing Support: Continuous support addresses issues such as slow-loading pages or interrupted checkouts before they show up in your revenue figures.

    Speed work is measurable, so it belongs in a report with numbers rather than adjectives. A maintenance plan worth paying for records Largest Contentful Paint, Interaction to Next Paint, and Cumulative Layout Shift before and after each round of optimization, alongside server response time and total page weight. On a content website most of the gains come from the same short list: compressing and correctly sizing images, deferring scripts that do not affect the first screen, caching pages close to the visitor, and removing tracking tags nobody reads any more. Web applications need different work, usually database query tuning, pagination, and moving slow jobs into the background. Our web developers run these checks on a fixed schedule and publish the before and after figures, so you can see what the retainer bought. When you review a maintenance quote from any development company, ask which metrics it reports and how often, because performance that is never measured degrades quietly with every plugin, font, and tag added over a year of website development.

    high-performance-web-optimization

    Ongoing Website Updates, Backups, and Technical Support in Web Development Services

    Ongoing website updates, backups, and technical support are essential parts of web development services, and together they keep a site secure, fast, and reliable. These offerings can be structured through various models, including monthly retainers, bundled maintenance packages, or pay-as-you-go arrangements. Regular updates ensure that content remains fresh and relevant, while backups protect against data loss. Technical support addresses issues promptly, helping to minimize downtime and maintain user satisfaction, which is crucial for business growth.

    Service Model Scope Cost Risk
    Monthly Retainers Consistent updates, backups, and support Fixed monthly fee, scoped to the site Low; predictable costs
    Maintenance Packages Bundled services with varying levels of support Varies based on services included Medium; may not cover all needs
    Pay-As-You-Go On-demand updates and support Variable; can be higher long-term High; costs can accumulate

    A maintenance engagement with our development company follows a simple rhythm. The fixed monthly fee is set against a written scope: how many hours of website maintenance and support the plan includes, which framework and plugin updates fall inside it, and what work outside it costs. Ask any development company for those three lines before you sign, because a website maintenance plan priced without a scope is the one that runs out of hours in month three. Each month the site is maintained by the same web developers who know its code, with scheduled updates to the CMS, plugins, and framework versions, daily off-site backups, uptime monitoring, and a support channel with agreed response times. Website maintenance also covers small content changes, new landing pages, and fixes that come out of analytics reviews, so the website keeps improving instead of slowly decaying. Before signing a maintenance and updates plan, a business buyer should confirm four points: who owns the hosting and domain accounts, how quickly critical security issues are patched, what the backup restore test looks like, and whether performance optimization and SEO checks are part of the plan or billed separately. Ein-Des-Ein web development services include all of these in a written service description, and the same team that delivered the website development project provides the ongoing support, which keeps knowledge in-house and response times short. That continuity is one of the main reasons clients choose a development company over piecemeal freelance help for long-term website performance.

    ongoing-website-updates

    Choosing a Web Development Partner

    Web development companies, digital agencies, web agencies, and IT service providers all sell web development services, so the label tells a buyer very little. What separates a strong development company from a weak one shows up in five places. First, the portfolio and case studies: look for live websites and web applications you can click through, with the business result each project delivered. Second, references: a development company that specializes in your kind of project should be able to connect you with past clients. Third, the engagement model: fixed-price for a defined scope, a dedicated team billed monthly for evolving products, or a retainer for maintenance and support, each with clear ownership of code and accounts. Fourth, communication: a named project manager, a weekly demo, and a shared tracker where you can see progress. Fifth, security practice: code review, access control, dependency scanning, and a plan for SSL, backups, and incident response. Ein-Des-Ein publishes case studies for products such as Bobbie and Scholarcy, offers all three engagement models, and includes technology consulting in every project so the architecture decisions are explained in plain language before your budget is committed.

    Read the estimate as carefully as the portfolio. A credible proposal from a web development company breaks the work into phases, usually discovery, web design, front-end and back-end development, integrations, testing, launch, and a defined support window, and names who does each part. A single lump sum with no breakdown hides where the hours go and makes change requests impossible to argue about later. Check who owns the code repository, the hosting account, the domain, and the design files at the end of the project, and get that in writing, because ownership disputes are the most common reason a business cannot move on from a development services provider. Ask how testing is handled and whether quality assurance is a named role or something the web developers do on a Friday afternoon, and ask what happens when a defect appears after launch. Ein-Des-Ein writes all of this into the statement of work, hands over every account and repository at delivery, and keeps the same development team available for support afterwards.

    The right partner also changes what the website can do for your business after launch. A development company with product thinking will help you plan digital transformation in stages: a marketing site first, then customer portals, then internal tools that improve operational efficiency, all built on the same platform. Our team at Ein-Des-Ein pairs software engineers and web developers with product designers and technology consultants, reviews the analytics after each release to decide what to build next, and hands marketing page templates they can publish against without a developer, so web development services become a platform for business growth rather than a one-time cost.

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