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. It's 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 EasternEurope will also be considered.Engagement Duration: 6-12+ months (long-term).Technology Stack:Next.Js 15 (App Router) + TypeScript, tRPCPostgreSQL + pgvector via Drizzle ORM, ZodNextAuth.Js + Keycloak (OIDC/OAuth2)Tailwind + shadcn/uiDocker, Azure Container Apps, Terragrunt + GitHub ActionsSkills: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 project's Memory Bank and feature-level documentation practices.Participate in on-call/production support.Responsible for managing the DevOps part of the projectAs the role matures, mentor other engineers and set technical guardrails for non-engineering contributors working directly in the codebase via AI tools.#J-18808-Ljbffr

📌 Senior Fullstack Developer (Long Term, Contract) (Valencia)
🏢 Selecto
📍 Valencia