Front-End Development Services

Our team of architects and senior specialists ensures the highest quality in your product. We excel in frontend optimization, including Time to First Byte (TTFB), and take ownership of setting and upholding industry standards.

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Our team of architects and senior specialists ensures the highest quality in your product. We excel in frontend optimization, including Time to First Byte (TTFB), and take ownership of setting and upholding industry standards.


Team Expertise

Our experts not only adhere to industry standards but also actively contribute to setting and upholding them, ensuring the highest quality.
45 ReactJS pioneers
Dedicated ReactJS experts with 7+ years of experience and a track record of 10+ successful products.
40 Full-Stack JS experts
Our team comprises experts in JavaScript web development for both front-end and back-end, with 15 specialists in TypeScript who are responsible for product development.
7 + years in leading frameworks
Expertise in React Native, Angular, and Vue.js, ensuring seamless, scalable, and user-centric applications.

Frontend Web Development Services

We offer a comprehensive range of frontend services to empower your digital presence with a user-centric, performance-driven approach:

Custom Web App Development

Our experts craft tailored web applications to meet your unique business needs, ensuring seamless functionality and user satisfaction.


Progressive Web App Development

We create web applications that offer a native app-like experience, providing speed, offline access, and user engagement.


Single Page App Development

Our experts can build dynamic single-page applications (SPAs) that deliver content and interactivity without page reloads, enhancing user experience.


Mobile App Development

We can develop mobile applications for iOS and Android platforms, reaching a broader audience and increasing user engagement.


Design System Development and Implementation

We excel in developing and implementing design systems to maintain visual consistency and website usability across all digital assets.


Performance Optimization

Our experts enhance the speed and efficiency of your web or mobile applications to provide a superior user experience and reduce bounce rates.


CMS Integration

We seamlessly integrate Content Management Systems (CMS) into your web applications for easy content updates and management.


Technology stack

Our experts ensure that the choice of front-end technologies aligns with the product’s needs, scalability, performance goals, and our team's expertise. This informed decision is crucial for a seamless and visually appealing user experience.


  • JavaScript
  • TypeScript
  • Dart


  • ReactJS
  • Next.js
  • Angular
  • Flutter
  • Vue
  • AngularJS
  • React Native

State Management

  • Redux
  • Redux Toolkit
  • MobX
  • MobX State Tree
  • Vuex/Puex
  • Recoil

Build Tools

  • Vite
  • esbuild
  • swc
  • webpack
  • NX


  • CSS
  • SCSS
  • Figma
  • Tailwind
  • Material UI
  • Styled Components
  • Sketch
  • Adobe XD
  • Zepplin
  • StoryBook

Rich Content

  • Canvas
  • Charts
  • D3.js
  • WebGL
  • Lottie
  • Real-time updates (Web Socket, Server Push, SSE)

Web Optimization & Analytics

  • Page Speed Index
  • Lighthouse
  • Accessibility
  • Sentry
  • TrackJS
  • Amplitude
  • Segment
  • Log Rocket
  • Google Analytics

Content Management

  • Headless CMS (StoryBlock, Contentful, etc.)
  • Retool
  • Ghost Blogs

Front-End Development Services Case Studies

We developed solutions for a digital transformation product in the sales engagement industry. The objective of this application is to enable seamless audio and video streaming, screen sharing, and integration with the Amazon Chime service. The chosen technology stack for this product included React, Storybook, Chromatic, and NX.

Our team of experts improved the development process, resulting in the delivery of feature-rich and consistent products. Key achievements have been made:

Comprehensive Design System

The development team successfully built a design system comprising a diverse range of components using React and Angular. This design system provides consistency in UI elements and interactions.

Transition to Storybook

This shift allowed for a more interactive and visual representation of the components, improving clarity and collaboration within the team.

Automated UI Testing

Integration of automated UI testing through Chromatic ensures the reliability and stability of the design system across different scenarios.

Creation of the 'QA Automation Middleware' library

This library includes special data-test-ids/selectors specifically designed for quality assurance purposes, enabling more efficient testing.

Seamless Internationalization

Achieved through the integration of React.i18next, allowing for easy adaptation of the design system to different languages and regions.

Reusable Elements and Patterns

These additions extended the functionality and flexibility of the design system, enabling the team to deliver feature-rich and consistent products.

FE-BE Boilerplate

We utilize the FE-BE Boilerplate, which offers a complete set of pre-configured tools, including TypeScript, ESLint, unit tests, Storybook for custom components, and Redux integration, enabling faster and more consistent development. Enhancing development efficiency and consistency for video streaming platform.

FrontFnd Case Study image

One crucial aspect of our product was uptime: ensuring that the product worked, was fully available to our customer, and kept a service-level agreement. Techstack was able to maintain our uptime and keep our customers happy, and we were able to make sure that our product was always functioning and working for our customers.

Clutch Review Right arrow

Mark Beare

Former VP of Research & Development, Corel Corporation

Read full case studies

Why Techstack

Our approach to front-end development services

At Techstack, our approach to front-end development services combines an innovative culture, a product-centric mindset, the creation of component documentation, and an unwavering dedication to your business objectives. We adhere to these guiding principles:

Access our entire company's expertise

We offer access to our company's full expertise, seamlessly integrating into your product team. Our commitment to taking ownership of everything we build fosters a deep understanding of your business and its unique aspects. We thoroughly analyze your users, business processes, usage patterns, and requirements to customize solutions to your specific needs.

Techstack's Guilds

Guilds are one of the initiatives led by the CEO of Techstack to enhance our strong technical culture. These guilds (Web guild, Architect guild, Scrum guild) enable members to combine their technical expertise from different teams and share insights, trends, and innovative ideas quickly to tackle new challenges. Internally, our guilds foster collaboration, ensuring that our solutions remain on the cutting edge.

Trainee Programs & Mentorship

At Techstack, we create a supportive and challenging environment while maintaining high standards in both work and education. Our Internship Program involves 10+ mentors who lead the programs, providing guidance and feedback to help trainees develop their skills and understanding of tech culture. We invest in the future through this initiative.

Data-driven innovation

Our approach is rooted in the belief that the best solutions are data-driven. We use intelligent systems to make informed decisions and validate hypotheses, enriching every layer of your application.

9 years of experience

Leveraging the expertise of our entire team, we design visually appealing and user-friendly interfaces that can scale with your business and withstand real-world challenges.

5.0-Star Clutch Rating

Over 68% of our projects come from recommendations by satisfied clients who have experienced the exceptional quality, as evidenced by reviews on Clutch.

Handling up to 100 k elements

We specialize in building efficient interfaces with a significant number of elements, handling up to 100,000 elements for rapid response and optimal performance.

Techstack consistently delivers top-notch development support. Their team excels in effective communication, leads daily meetings to ensure a smooth workflow, and consistently meets deadlines. Their professionalism, responsive approach, hands-on involvement, and valuable contributions to the frontend development process truly stand out.

Clutch Review Right arrow

Founder, Njorda

Platform for leading-edge digital investing


Our Front End Development Experts

Our senior level experts are highly skilled and experienced professionals who bring technical proficiency and a depth of knowledge to products. They are dedicated to crafting exceptional digital experiences and delivering innovative solutions, with a strong focus on frontend service to ensure the user interface is both functional and user-friendly.
Vladyslav Ushakov

Associate Software Architect, Leads vital development initiatives

Vladyslav Ushakov

Dmytro Bohdanov

Front-end Engineer, Optimizes web usability, cross-browser compatibility, and performance

Dmytro Bohdanov

Pavlo Grydzhuk

Front-end Developer, Creates seamless web interactions

Pavlo Grydzhuk


Cooperation Models

Whatever your product's unique requirements, we have a cooperation model that can be tailored to ensure success and bring your vision to life, with the main model being Time and Materials to ensure flexibility.


Team augmentation

Share your ideas with our experts and obtain recommendations about the team size and structure. This model allows you to hire front-end developers for team augmentation, offering flexibility and scalability to meet your project's evolving requirements.


Dedicated development team

If you are looking to optimize their company's performance and leverage the strengths of each team member. This comprehensive approach allows you to cover all stages, including planning, design, development, quality assurance, and deployment. Our dedicated team oversees every aspect of the process to ensure that we deliver a high-quality solution.


R&D partnership

Explore our R&D partnership opportunities for crafting and sustaining custom software development products. Our team of experts works closely with partners to grasp needs and create an effective, scalable solution that delivers tangible results.

Contact us to discuss

How We Can Help

We understand that achieving your business goals is paramount. Our team of experts is committed to partnering with you to address your unique challenges and drive success. Here's how we can help you excel in key areas:



We design and develop scalable solutions that can grow with your business, ensuring your technology can handle increased demand and adapt to changing needs.

End-to-End security

Security is at the core of our development process. Our web development professionals implement robust security measures to safeguard your data and protect against threats.

CMS Integration

We seamlessly integrate Content Management Systems (CMS) into your web applications for easy content updates and management.


We optimize your applications for peak performance, ensuring fast load times, smooth interactions, and a superior user experience.

A/B testing

We help you refine your user experience through A/B testing, enabling data-driven decisions to improve conversion rates and user satisfaction.

Creating standards in team

We can help your development team establish UI design best practices and standards, taking ownership to ensure consistency, efficiency, and quality in your product.

Granular reload

We implement granular reload strategies to minimize disruptions and optimize user experiences during updates and changes.

Extensive analytics

We provide comprehensive analytics solutions that offer deep insights into user behavior, enabling you to make informed decisions and refine your strategies.

Integration for verification of customers

We streamline customer verification processes through seamless integrations, enhancing security and user onboarding.

Improvements for customer engagement

We create solutions that drive customer engagement, using data-driven insights to enhance user experiences and boost customer loyalty.

Get in Touch

Feel free to explore the advantages of our technology partnerships. After submitting your inquiry, we'll quickly respond to discuss your needs or answer any questions.
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