Full-Stack Engineer
SplitMetrics
full-remotemidpermanentfullstack Full remote - Warsaw, PL 2 days ago via WTTJ
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Full-StackPythonReactVueAngularJavaScriptPostgreSQLCI/CDMicroservicesSystem Observability
About the role
Role overview
You’ll work as a Full-Stack Engineer building and maintaining both the frontend and backend. The work includes developing scalable SPAs, building high-load Python services, integrating APIs, and improving reliability and performance.
Responsibilities
- Develop and maintain user interfaces and contribute to frontend architecture
- Build component-based UI and optimize SPA performance
- Integrate frontend with backend APIs
- Implement backend services in Python for high-load, data-intensive systems
- Optimize data pipelines and analytics workloads
- Write and maintain automated tests
- Monitor system stability and improve liability/observability/troubleshooting
- Refactor legacy code and support migrations to modern stacks
Requirements
- 2+ years with JavaScript (ES6+) and React / Angular / Vue
- 4+ years with Python, including building high-load, scalable systems
- Strong UI design skills: component architecture, CSS/SCSS, responsive interfaces
- Strong SQL skills, especially PostgreSQL (performance tuning/optimization)
- Knowledge of web security best practices
- Experience with testing frameworks and modern build tools
- Familiarity with CI/CD practices and tooling
- Strong refactoring/migration ability and a business-oriented architecture mindset
- B1+ English
Nice-to-haves
- Experience with microservices, data pipelines, and analytics solutions
About SplitMetrics
SplitMetrics is a software company focused on analytics and data-driven experimentation. The role centers on building full-stack web applications and high-load, data-intensive backend services to support product growth.
Scraped 6/11/2026