Jakub Syrek
Senior Frontend Engineer with + years of experience specializing in
React ecosystem, TypeScript, and modern
web technologies. Proven track record of leading development teams, architecting scalable solutions, and
delivering high-impact projects in fintech and eCommerce domains. Strong expertise in mentoring junior
developers, establishing engineering best practices, and driving technical excellence across cross-functional
teams.
Professional Experience
May 2024 - June 2025
Remote (Poland)
Salesloft - Senior User Interface Engineer
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Architected and developed foundational Chrome Extension infrastructure using React, TypeScript, and Chrome Web
API, serving as the technical foundation for multiple development teams to build upon.
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Designed scalable plugin architecture and component library that enabled 3+ development teams to rapidly build
new features while maintaining consistent user experience and code quality standards.
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Improved development tools including build tools, testing infrastructure, and deployment
pipelines, reducing feature development time.
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Contributed to architectural decisions and defined technical strategy for the Chrome Extension platform,
ensuring
scalability for
10,000+ daily active users and seamless integration with Salesloft's core CRM platform.
Dec 2023 - Feb 2024
Remote (Poland)
Frend Digital - Senior Software Consultant
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Delivered two eCommerce projects with React, Next.js, Storyblok headless CMS, and the Centra
eCommerce platform. Collaborated with cross-functional teams to build high-quality, production-ready
solutions.
Mar 2023 - Dec 2023
Remote (Poland)
fundingport (a Hypoport Company) - Frontend Tech
Lead
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As Frontend Tech Lead at Fundingport, I led frontend development, guided architecture decisions, mentored team
members and drove initiatives to deliver a seamless user experience and platform success.
Jun 2022 - Mar 2023
Remote (Poland)
fundingport (a Hypoport Company) - Senior
Software Engineer
-
Contributed to the development of Fundingport, an online financing platform, by implementing key features and
resolving complex technical challenges. Utilized React, MobX, TypeScript, and Nx to build robust and scalable
frontend components.
Mar 2020 - Jun 2022
Warsaw, Poland
YND - Senior JavaScript Engineer
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Delivered impactful solutions across multiple projects, primarily within the fintech industry, utilizing
React, React Native, Node.js, Next.js and Vue.
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Assumed Team Lead responsibilities on several key projects, guiding development efforts and mentoring junior
engineers.
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Led the JavaScript competency group, driving research, adoption of new technologies, and establishment of best
practices.
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Defined and implemented company-wide engineering standards.
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Managed end-to-end recruitment processes for JavaScript developers, successfully growing the team.
Mar 2019 - Mar 2020
Warsaw, Poland
YND - JavaScript Engineer
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Developed and maintained features for diverse fintech projects, primarily employing the React technology stack
and modern JavaScript practices.
Feb 2018 - Nov 2018
Oslo, Norway
NoA Ignite Norway - JavaScript Developer
Developed key features for a React Native mobile application tailored to one of Norway's
largest fitness industry companies, enhancing user engagement and functionality.
Mar 2017 - Feb 2018
Cracow, Poland
NoA Ignite Poland - Junior JavaScript
Developer
Contributed to the development of a React Native application for a prominent Scandinavian
fitness company, focusing on building UI components and implementing core functionalities.
May 2016 - Nov 2016
Potsdam, Germany
Hasso Plattner Institute - Student Assistant
Developed new features and enhanced existing functionalities for Code Ocean, the interactive
coding exercise platform for OpenHPI (open.hpi.de), utilizing JavaScript and Ruby on Rails.
Education
2018 - 2019
Master in Computer Science
- One semester ERASMUS Scholarship
- Instituto Superior Técnico, Lisbon, Portugal
2017 - 2019
Master in Computer Science
- Graduated in the top 1% of students (GPA: 4.92 / 5.0)
- Studies final mark: 5.0
- Computer Graphics Major
- AGH University of Science and Technology, Cracow, Poland
2015 - 2016
Bachelor in Computer Science
- Yearly ERASMUS Scholarship
- Hasso-Plattner-Institut, Potsdam, Germany
2013 - 2017
Bachelor in Computer Science
- Top 2% among all students (GPA: 4.76 / 5.0)
- AGH University of Science and Technology, Cracow, Poland
Technical Skills
Frontend Technologies
- React & React Native (Expert)
- TypeScript & JavaScript (Expert)
- Next.js (Advanced)
- HTML5, CSS3, SASS/SCSS (Advanced)
Backend & Tools
- Git, CI/CD, Docker (Advanced)
- Node.js, Express (Intermediate)
Platforms & APIs
- Chrome Extensions APIs (Advanced)
- RESTful APIs, GraphQL (Advanced)
- Storyblok CMS, Centra eCommerce (Advanced)
- iOS/Android Development (Intermediate)
Leadership & Soft Skills
- Team Leadership & Mentoring
- Technical Architecture & System Design
- Agile/Scrum Project Management
- Cross-functional Team Collaboration
- Code Review & Quality Assurance
- Performance Optimization & Best Practices
Languages
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Polish
Native
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English
Full professional proficiency
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German
Limited working proficiency