Staff Software Engineer
Warszawa, Kraków, Wrocław, Katowice, Poznań, WarszawaFull-TimeStaff
Salary22402 - 29294 PLN per month b2b currencySource=conversion; 4793 - 6268 CHF per month b2b currencySource=conversion; 5933 - 7759 USD per month b2b currencySource=conversion; 4448 - 5816 GBP per month b2b currencySource=conversion; 5200 - 6800 EUR per month b2b currencySource=original
Apply NowOpens the employer's application page
Job Details
- Languages
- En B2
- Required Skills
- AWSNode.jsPostgreSQLBlockchainJestKubernetesREST APINext.jsReact
Requirements
- Deep expertise in Node.js, React, and Next.js
- Proven experience with Amazon AWS and Kubernetes
- Solid understanding of database management (PostgreSQL)
- Familiarity with testing frameworks (Jest, Playwright)
- Ability to design and maintain REST APIs
- Experience with AI-assisted development tools and workflows
- Understanding of blockchain or DeFi concepts
- Strong technical leadership and architectural design skills
- Fluency in English (B2 level)
Responsibilities
- Architect secure, resilient systems capable of handling high-stakes financial operations
- Lead the architectural design and evolution of mission-critical distributed systems
- Drive technical strategy and long-term roadmap for core platform services
- Design high-concurrency, low-latency APIs and backend infrastructure
- Mentor and unblock other engineers
- Partner closely with product and business stakeholders
- Use modern LLMs and techniques to accelerate coding, debugging, testing, and design exploration
- Apply sound judgment to AI-generated output
- Improve reliability, testing, and developer experience
View Full Description & ApplyYou'll be redirected to the employer's site
