- Location
- Sofia, Sofia
- Workplace
- Remote, Hybrid, Onsite
- Department
- Engineering
- Seniority
- Senior
- Experience
- 8+ years
- Visa
- Not sponsored
- Source
- CATS
Description
Senior Frontend Engineer – Trading Platform (Sofia, Bulgaria)
Our client, a global leader in fintech innovation, is looking for a Senior Frontend Engineer to join their high-performing trading technology team in Sofia. This is an opportunity to work on complex, real-time trading platforms where every millisecond matters. If you have the technical depth, speed, and precision to build lightning-fast interfaces for global traders, this role is for you.
Key Responsibilities
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Design and develop high-performance React applications for trading platforms handling real-time market data.
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Optimize frontend architecture for ultra-low latency data ingestion and rendering.
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Implement scalable state management and data streaming patterns (Redux, React Query).
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Collaborate with backend teams on microservices integration and API design.
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Lead code reviews, set performance standards, and mentor junior engineers.
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Diagnose and resolve complex frontend and data performance issues in real-time environments.
Requirements
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8+ years of professional experience in frontend development.
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Deep expertise in React including PWAs, reusable component architecture, and state management.
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Proven track record in trading platforms or high-frequency, data-intensive systems.
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Strong experience with real-time data streaming and low-latency UI performance.
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Proficient in testing frameworks: Jest, React Testing Library, Cypress.
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Solid understanding of Node.js and backend integration with microservices.
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Knowledge of Docker, AWS (ECS/EC2), and CI/CD pipelines (GitHub Actions, Jenkins).
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Bachelor’s or Master’s degree in Computer Science or related field.
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Background in fintech or financial services preferred.
What’s in It for You
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Competitive base salary plus uncapped quarterly performance bonus.
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Hybrid work model – 3 days in-office, 2 days remote.
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No weekend work – Monday to Friday schedule.
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Comprehensive health insurance and food vouchers.
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On-site fitness center, sports card, and game room access.
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Regular team events, sports activities, and professional development budget.
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Continuous learning opportunities through courses and conferences.
Additional Information
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Full-time role: 40 hours/week, Monday–Friday.
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Candidates must be eligible to work in Bulgaria.
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Applications must be submitted in English.
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Only shortlisted candidates will be contacted.
How to Apply
Send your CV in English to apply. All applications are handled with strict confidentiality.
InterContinental Recruiting Ltd. holds Recruitment License No. 2087/22.07.2016 issued by the National Agency of Employment.
