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I'm a Front-End Developer with strong expertise in React, TypeScript, and modern front-end architecture. I design scalable, high-performing user interfaces and optimize usability and accessibility. I excel at real-time data integrations (WebSockets), API development, and containerized environments (Docker, Azure). I'm passionate about innovation, continuous learning, and delivering exceptional user experiences. I have experience in building interactive dashboards, collaborating with design teams to translate Figma prototypes into pixel-perfect interfaces, and delivering robust, well-tested code in Agile environments.…I'm a Front-End Developer with strong expertise in React, TypeScript, and modern front-end architecture. I design scalable, high-performing user interfaces and optimize usability and accessibility. I excel at real-time data integrations (WebSockets), API development, and containerized environments (Docker, Azure). I'm passionate about innovation, continuous learning, and delivering exceptional user experiences. I have experience in building interactive dashboards, collaborating with design teams to translate Figma prototypes into pixel-perfect interfaces, and delivering robust, well-tested code in Agile environments.

Anna Bershak

Front-End Developer, Web Developer, Programmer, +5

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I'm a Front-End Developer with strong expertise in React, TypeScript, and modern front-end architecture. I design scalable, high-performing user interfaces and optimize usability and accessibility. I excel at real-time data integrations (WebSockets), API development, and containerized environments (Docker, Azure). I'm passionate about innovation, continuous learning, and delivering exceptional user experiences. I have experience in building interactive dashboards, collaborating with design teams to translate Figma prototypes into pixel-perfect interfaces, and delivering robust, well-tested code in Agile environments.…I'm a Front-End Developer with strong expertise in React, TypeScript, and modern front-end architecture. I design scalable, high-performing user interfaces and optimize usability and accessibility. I excel at real-time data integrations (WebSockets), API development, and containerized environments (Docker, Azure). I'm passionate about innovation, continuous learning, and delivering exceptional user experiences. I have experience in building interactive dashboards, collaborating with design teams to translate Figma prototypes into pixel-perfect interfaces, and delivering robust, well-tested code in Agile environments.

Available to hire

I’m a Front-End Developer with strong expertise in React, TypeScript, and modern front-end architecture. I design scalable, high-performing user interfaces and optimize usability and accessibility. I excel at real-time data integrations (WebSockets), API development, and containerized environments (Docker, Azure).

I’m passionate about innovation, continuous learning, and delivering exceptional user experiences. I have experience in building interactive dashboards, collaborating with design teams to translate Figma prototypes into pixel-perfect interfaces, and delivering robust, well-tested code in Agile environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

German

Advanced

Ukrainian

Fluent

Russian

Fluent

Work Experience

Frontend Developer (Data & Analytics Intern) at Siemens AG

April 1, 2024 - Present

I worked within the Data Visualization team, contributing to cutting-edge solutions in a global tech environment. My responsibilities included developing and maintaining React components using TypeScript and JavaScript to ensure scalability and reusability, implementing efficient state management solutions with React hooks and Context API, collaborating with the design team to translate Figma prototypes into pixel-perfect, responsive interfaces following modern UI/UX best practices. I integrated RESTful APIs managing asynchronous data fetching and error handling using Axios and React Query. I also optimized performance by identifying bottlenecks and applying lazy loading, memoization, and code splitting techniques, wrote and executed unit tests using Jest and React Testing Library, and participated actively in an Agile Scrum team using Jira and Confluence for task tracking and documentation.

Software Developer (Freelance) at Upwork

November 1, 2023 - August 6, 2025

I worked on short and long-term projects focusing on frontend development. My tasks included transforming UI mockups into responsive and pixel-perfect user interfaces, building responsive components for web applications, ensuring mobile-friendly design across all devices, adapting off-the-shelf solutions for different devices, designing and implementing components into ready-made web services, integrating various APIs including RESTful services for seamless frontend-backend data flow, optimizing version control and workflow, and continuously updating my skills to stay current with frontend technologies and trends.

Frontend Developer at Make IT

June 1, 2021 - August 6, 2025

Responsible for building and implementing frontend components within an agile team in client projects. Tasks included transforming UI mockups into responsive, pixel-perfect interfaces, building responsive React components for Single-Page Applications, developing customer-driven landing pages and deploying them on CMS platforms, ensuring mobile-first design principles, collaborating with backend developers to integrate RESTful APIs, and contributing to library and framework development empowering developer communities.

Web Developer (Intern) at Make IT

August 1, 2020 - August 6, 2025

Completed an internship as a frontend developer. Responsibilities included adding React components to the website such as registration and feedback forms and buttons, maintaining documentation for the codebase and development processes, building UI mockups and User Journeys with Figma, monitoring web page analytics, and testing UI components. Offered a junior frontend position after completing the internship.

Frontend Developer (Data & Analytics Intern) at Siemens AG

April 1, 2024 - Present

At Siemens, I worked as a frontend developer within the Data Visualization team, contributing to cutting-edge solutions in a global tech environment. I designed and implemented performant, interactive interfaces that communicated complex datasets clearly and effectively. I developed and maintained React components using TypeScript and JavaScript, ensuring scalability and reusability. I implemented efficient state management using React hooks and Context API, improving application performance and maintainability. I collaborated with the design team to translate Figma prototypes into pixel-perfect, responsive interfaces following modern UI/UX best practices. I integrated RESTful APIs with the frontend, handling asynchronous data fetching and error management using Axios and React Query. I identified and optimized performance bottlenecks using lazy loading, memoization, and code splitting, improving load times and responsiveness. I wrote and executed unit tests (Jest, React Testing Librar

Software Developer (Freelance) at Upwork

November 1, 2023 - August 6, 2025

I worked as a software developer focusing on frontend development for both short and long-term projects. I transformed UI mockups into responsive and pixel-fine user interfaces, built responsive components for web applications, and ensured mobile-friendly design adopting mobile-first principles. I adapted off-the-shelf solutions for different devices, designed and implemented components into ready-made web services, integrated a wide range of APIs including RESTful services to ensure seamless data flow between frontend and backend systems. I optimized version control and workflow and continuously evolved my skills to stay at the forefront of frontend technologies. I created dynamic and interactive elements that enhanced user engagement and demonstrated specialist-level proficiency in developing high-performance web interfaces leveraging a variety of frameworks and tools, particularly with TypeScript.

Frontend Developer at Make IT

June 1, 2021 - August 6, 2025

I built and implemented frontend components in Agile client projects. I transformed UI mockups into responsive and pixel-fine user interfaces and built responsive React components for Single-Page Applications such as frontend of CMS platforms. I also built customer-driven landing pages deployed on CMS platforms and ensured mobile-friendly design with mobile-first principles. I collaborated with backend developers for integration with RESTful APIs. Additionally, I have experience architecting and developing comprehensive libraries, frameworks, and SDKs empowering developer communities.

Web Developer (Intern) at Make IT

August 1, 2020 - August 6, 2025

Completed an internship as a front-end developer where I added React components to websites, maintained documentation for codebases and development processes, built UI mockups and user journeys with Figma, and monitored web page analytics and UI testing. After the internship, I was offered a junior frontend position.

Frontend Developer (Data & Analytics Intern) at Siemens AG

April 1, 2024 - Present

Frontend development: developed and maintained React components using TypeScript and JavaScript, ensuring scalability and reusability across different projects. State management implemented with React hooks and Context API to improve app performance and maintainability. UX enhancements: collaborated with design teams to convert Figma prototypes into pixel-perfect, responsive interfaces. API integration: connected RESTful APIs with the frontend using Axios and React Query, handling asynchronous data fetching and error management. Performance optimization: identified bottlenecks and improved load times via lazy loading, memoization, and code splitting. Testing & debugging: wrote and executed unit tests with Jest and React Testing Library; performed debugging using browser DevTools. Agile & collaboration: worked within an Agile Scrum team, actively participating in daily stand-ups, sprint planning, and code reviews; used Jira and Confluence for task tracking and documentation. Version con

Freelance Frontend Developer at Upwork

November 30, 2023 - September 16, 2025

Transformed UI mockups into responsive, pixel-perfect user interfaces; built responsive components for web applications; integrated a wide range of RESTful services and ensured seamless frontend-backend data flow. Focused on mobile-first design and accessibility, adapting off-the-shelf solutions for different devices and screen sizes. Documented components and libraries for reuse across projects and maintained up-to-date knowledge of frontend trends and technologies.

Frontend Developer at Make IT

June 30, 2021 - September 16, 2025

Transformed UI mockups into responsive and pixel-perfect user interfaces; built scalable React components for single-page applications; collaborated with backend developers to integrate RESTful APIs; contributed to library and framework development; emphasized mobile-first design and accessibility.

Web Developer (Intern) at Make IT

August 31, 2020 - September 16, 2025

Completed internship by adding React components (e.g., registration, feedback forms, buttons), maintaining documentation for the codebase, building UI mockups and user journeys with Figma, and monitoring web analytics to inform UI decisions.

Frontend Developer - Intern at Siemens AG

April 1, 2024 - Present

In the Data Visualization team at Siemens, contributed to cutting-edge front-end solutions in a global tech environment. Designed and implemented modern, interactive front-end applications that communicate complex data clearly and effectively. Built reusable TypeScript/React components, implemented efficient state management with React hooks and Context API for real-time data updates via WebSockets, and collaborated with design teams to translate Figma prototypes into pixel-perfect, responsive interfaces. Integrated RESTful APIs with Axios and React Query, optimized performance with lazy loading and code splitting, and wrote tests with Jest and React Testing Library. Worked within an Agile Scrum environment using Jira/Confluence, and collaborated with senior developers on Git-based workflows.

Frontend Developer (Freelance) at Upwork

November 1, 2023 - September 29, 2025

Worked with global clients on full-stack frontend projects focusing on architecture and API integration. Designed and implemented responsive UI components using React, Vue, and Next.js; integrated RESTful APIs; built backend logic with Node.js and Python where needed; applied Redux and React Context for complex data flows; ensured cross-platform compatibility using Tailwind CSS and Styled Components for consistent UI/UX. Participated in Agile development processes and version control via Git-based workflows. Delivered projects involving data access, API integration, and IAM concepts.

Frontend Developer at Make IT

June 1, 2021 - September 29, 2025

Built React-based single-page applications, including dashboards and landing pages. Translated UI/UX mockups from Figma into responsive, accessible interfaces. Integrated REST APIs, collaborating with backend developers to ensure seamless functionality. Applied mobile-first principles and ensured cross-browser compatibility. Participated in Agile team development, delivering components in iterative sprints. Contributed to features like registration and feedback forms, gaining exposure to IAM concepts.

Web Developer (Intern) at Make IT

August 1, 2020 - September 29, 2025

Completed internship designing and implementing frontend components. Added React components to the website (registration, feedback forms, buttons). Maintained documentation for the codebase and development processes. Built UI mockups and user journeys with Figma. Monitored page analytics and tested UI components.

Frontend Developer at Siemens AG

April 1, 2024 - Present

Frontend Developer on the Data Visualization team, delivering cutting-edge front-end solutions in a global tech environment. Built reusable TypeScript/Angular and React components with modular architecture, focusing on usability and seamless user experience. Implemented efficient state management using React hooks and Context API, enabling real-time WebSocket-based data updates. Collaborated with design to translate Figma prototypes into pixel-perfect, responsive interfaces. Integrated RESTful APIs with Axios and React Query, handling asynchronous data fetching and error management. Optimized performance through lazy loading, memoization, and code-splitting. Implemented unit tests with Jest and React Testing Library, and conducted debugging with Chrome DevTools. Participated in Agile SCRUM, Jira, and Confluence rituals; managed version control with Git and GitHub.

Software Developer (Freelance) at Upwork

November 1, 2023 - September 29, 2025

Designed and implemented responsive UI components using React, Vue, and Next.js. Implemented RESTful API integration and backend logic where needed using Node.js and Python. Applied state management with Redux and React Context to manage complex data flows. Built cross-platform solutions across devices/browsers; delivered dashboards and landing pages with responsive UI/UX. Used Styled Components and Tailwind CSS for consistent UI design; collaborated in Agile processes with Git-based workflows. Delivered projects involving data access, API integration, and initial IAM concepts.

Frontend Developer at Make IT

June 1, 2021 - September 29, 2025

Frontend Developer at Make IT. Built React-based single-page applications (dashboards and landing pages). Translated UI/UX mockups from Figma into responsive, accessible interfaces. Integrated REST APIs with backend collaboration; applied mobile-first design and cross-browser compatibility. Participated in Agile development and version control; contributed to features like registration and feedback forms with IAM concepts.

Web Developer (Intern) at Make IT

August 1, 2020 - September 29, 2025

Added React components to the website (registration, feedback forms, buttons); Maintained codebase docs; Built UI mockups and user journeys with Figma; Monitored analytics and tested UI components.