Senior FullStack developer (long term, contract)

We are looking for a skilled Senior FullStack Developer who is ready to take on a Team Lead position soon and join an exciting and complex project.

Description: An AI-powered platform for managing users roles and permissions. It handles identity verification (KYC/KYB) a rewards/points system and connects with CRM accounting and card-issuing tools. Its genuinely complex - not just a simple database app.

English Proficiency: Upper-Intermediate / B2 (client-facing communication required)

Team: Project Manager Product Designer 2 FullStack developers Support Engineer.

Expected Working Hours: Full-time 40 hours/week.

Location: Remote Europe only. Preference for Western Europe (occasional on-site visits may be required); candidates from Eastern Europe will also be considered.

Engagement Duration: 612 months (long-term).

Technology Stack:

• 15 (App Router) TypeScript tRPC
• PostgreSQL pgvector via Drizzle ORM Zod
• Keycloak (OIDC/OAuth2)
• Tailwind shadcn/ui
• Docker Azure Container Apps Terragrunt GitHub Actions

Skills:

• Schema/metadata-driven system design (this project uses per-role schema overlays across 11 distinct roles not off-the-shelf RBAC).
• JSONB-based PostgreSQL modeling.
• Strong code review instincts around authorization/access control.
• Integrating multiple third-party APIs with graceful handling of partial failures.
• DevOps-adjacent comfort (Docker IaC CI/CD Azure).

Responsibilities:

• Own architectural decisions for a large actively evolving codebase in a compliance- and finance-sensitive domain (KYC/KYB points/rewards economy card issuance).
• Extend the generic-entity/schema system without regressions.
• Lead integration work with external providers (SmartSearch Salesforce Xero Pannovate SendGrid).
• Review code with a security-first eye particularly on permission/access-control gaps.
• Maintain the projects Memory Bank and feature-level documentation practices.
• Participate in on-call/production support.
• Responsible for managing the DevOps part of the project
• As the role matures mentor other engineers and set technical guardrails for non-engineering contributors working directly in the codebase via AI tools.