Senior Staff Full-Stack TypeScript Engineer / Tech Lead
- Location
- Remote
- Employment
- Full-time
- Level
- Specialist
- Category
- Engineering Management
- Posted
- Deadline
Description
Location: Poland (Kraków preferred)
Work format: Full-time
Project: International fintech payments platform combining traditional payment systems with crypto infrastructure.
Responsibilities:
Build and scale a modern fintech payments platform.
Develop real-time processing, settlement, reconciliation, and wallet services.
Provide technical leadership for teams of 5–15 engineers.
Drive architectural decisions, conduct code reviews, and mentor engineers.
Stay hands-on with daily coding and end-to-end technical ownership.
Requirements:
8+ years of production experience with TypeScript/JavaScript (frontend & backend).
Strong expertise in React, Node.js, and GraphQL/Apollo.
Hands-on experience with AWS Serverless architecture.
Strong knowledge of DynamoDB/NoSQL and PostgreSQL.
Proven experience leading technical teams of 5–15 engineers.
Experience with AI-assisted development tools, including 1+ year with Anthropic Claude.
Tech stack: TypeScript, React 19, Node.js, GraphQL/Apollo, AWS, DynamoDB, PostgreSQL, Playwright, CDK.
Nice to have:
Experience in fintech/payments, settlement systems, PCI compliance, ledger systems, or fee models.
Important: Candidates must be physically located in Poland. Kraków is preferred, but other Polish cities are also considered !!!!
Apply at the source
This role was published by Kozak Agency and listed via Djinni. Applications are handled there, not on this site.
Original posting: https://djinni.co/jobs/857000-senior-staff-full-stack-typescript-engineer-t/