Senior Fullstack Developer
About The Position
The Codest is an international tech software company with tech hubs in Poland, delivering global IT solutions and projects. Our core values are a "Customers and People First" approach, prioritizing customer needs and fostering a collaborative environment for employees to deliver exceptional products and services. Our expertise lies in web development, cloud engineering, DevOps, and quality. After developing our own product, Yieldbird, which received a Top25 Deloitte award, our mission is to help tech companies build impactful products and scale their IT teams by boosting IT delivery performance. We are seeking goal-driven individuals to join our team and contribute to our growth in an enriching and collaborative environment that fosters development.
Requirements
- 5+ years building production web applications in any modern language (PHP, TypeScript/Node.js, Python or similar).
- Solid REST API design instincts: resources, idempotency, versioning, error contracts.
- Relational database fluency — schema design, query analysis, migrations.
- Disciplined testing — unit and integration; you know what to mock and what not to.
- Git fluency: branching, pull requests, rebases, conflict resolution.
- Experience using AI coding assistants and agent-based workflows in real engineering work.
- Strong written English — code comments, PR descriptions, OpenAPI text.
Nice To Haves
- PHP 8.x with Symfony and Doctrine ORM
- Node.js / TypeScript with a mature backend framework (Nest, Fastify, Express + Zod, etc.)
- Multi-tenant SaaS architecture (row-level isolation, tenant-scoped queries).
- IPFS or other content-addressable storage concepts.
- JWT auth flows with refresh-token rotation.
- OWASP Top-10 awareness.
Responsibilities
- Develop and enhance a secure, multi-tenant SaaS platform for managing sensitive HR and identity-related data, with a strong focus on access control, auditability, and data governance.
- Deliver end-to-end features across backend services and web applications.
- Develop REST APIs.
- Implement business logic.
- Design databases.
- Implement frontend functionality.
- Develop automated tests.
- Create API documentation.
Benefits
- 20-25k PLN on B2B
- 100% remote work
- 300 PLN to use on our benefits platform, Worksmile - gift cards, medical services, sports, etc.
- IP BOX support
- Integration events
- Education opportunities
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
