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I am a seasoned full-stack developer based in Frankfurt, Germany, with over 8 years of experience building scalable web and mobile applications using Node.js, Python, React, and TypeScript. I enjoy turning complex requirements into robust architectures and delivering polished features for both frontend and backend work. I have led and mentored teams of junior developers, acted as a lecturer on React and Node courses, and contributed to freelance projects. I value collaborative problem-solving, continuous learning, and delivering high-quality code in fast-paced environments.…I am a seasoned full-stack developer based in Frankfurt, Germany, with over 8 years of experience building scalable web and mobile applications using Node.js, Python, React, and TypeScript. I enjoy turning complex requirements into robust architectures and delivering polished features for both frontend and backend work. I have led and mentored teams of junior developers, acted as a lecturer on React and Node courses, and contributed to freelance projects. I value collaborative problem-solving, continuous learning, and delivering high-quality code in fast-paced environments.

Kirill Tierieshchienko

Front-End Developer, Full Stack Developer, Web Developer, +2

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I am a seasoned full-stack developer based in Frankfurt, Germany, with over 8 years of experience building scalable web and mobile applications using Node.js, Python, React, and TypeScript. I enjoy turning complex requirements into robust architectures and delivering polished features for both frontend and backend work. I have led and mentored teams of junior developers, acted as a lecturer on React and Node courses, and contributed to freelance projects. I value collaborative problem-solving, continuous learning, and delivering high-quality code in fast-paced environments.…I am a seasoned full-stack developer based in Frankfurt, Germany, with over 8 years of experience building scalable web and mobile applications using Node.js, Python, React, and TypeScript. I enjoy turning complex requirements into robust architectures and delivering polished features for both frontend and backend work. I have led and mentored teams of junior developers, acted as a lecturer on React and Node courses, and contributed to freelance projects. I value collaborative problem-solving, continuous learning, and delivering high-quality code in fast-paced environments.

Available to hire

I am a seasoned full-stack developer based in Frankfurt, Germany, with over 8 years of experience building scalable web and mobile applications using Node.js, Python, React, and TypeScript. I enjoy turning complex requirements into robust architectures and delivering polished features for both frontend and backend work.

I have led and mentored teams of junior developers, acted as a lecturer on React and Node courses, and contributed to freelance projects. I value collaborative problem-solving, continuous learning, and delivering high-quality code in fast-paced environments.

Skills

Experience Level

Expert

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Intermediate

Intermediate

Work Experience

Senior Full Stack Developer at Sixt

March 1, 2022 - Present

Developed new features and rebranding initiatives for the E-Commerce platform, enhanced user experience, and improved workflow efficiency. Performed maintenance and bug fixes for Node.js and Python services to ensure stable performance.

Senior Frontend Developer at Microsoft

March 1, 2022 - October 23, 2025

Contributed to the UI development of a large-scale Power BI reporting platform, created and supported new visuals, migrated existing visuals, and handled certification processes for the platform.

Senior Frontend Developer at Playtech

February 1, 2020 - October 23, 2025

Developed a new frontend for the admin panel from scratch, integrated with backend systems and third-party services, and achieved high unit and UI testing coverage.

Full Stack Developer at Avaloq

January 1, 2018 - October 23, 2025

Developed a tool for testing the performance of components and widgets, contributed to new functionality and bug fixes, and improved overall performance through code optimization.

Senior System Support Engineer Level 2 at EPAM

January 1, 2015 - October 23, 2025

Configured servers, analyzed logs, and generated reports using SQL queries to support Barclays Capital Support Reporting application and internal SharePoint and other corporate software.

Senior Frontend developer at Microsoft

February 1, 2020 - March 1, 2022

Frontend work for Power BI UI – creating and supporting visuals for a corporate reporting platform; migrating visuals; certification and customer support. Tools: Vanilla JavaScript, TypeScript, React, Next.js, D3.js, internal Microsoft tooling and APIs.

Senior Frontend developer at Playtech

January 1, 2018 - February 1, 2020

Developing frontend of internal admin panels; building frontend from scratch; integrating with backend and third‑party services; unit and UI testing coverage.

Full Stack developer at Avaloq

August 1, 2015 - January 1, 2018

Bank services application and benchmarking tools; implemented new functionality and performance improvements; stack included React, Redux, Next.js, TypeScript, Protractor, Node.js, Express, PostgreSQL.

Senior System Support Engineer Level 2 at EPAM

January 1, 2012 - January 1, 2015

Barclays Capital support, reporting application and internal SharePoint site; configured servers, analyzed logs, and produced SQL-based reports; tools included SharePoint, CQ5, ServiceNow, JIRA, UNIX, Windows Services (AutoSys, IIS), MSSQL, Java application logging.