Senior Full Stack Engineer — AI Healthtech Platform Hybrid

Biorce; Barcelona; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Hybrid work model

Private health coverage

MacBook provided

Pet-friendly office

Job summary

Biorce is seeking a senior backend-leaning full stack engineer to drive our Barcelona engineering function. You will own features end to end, shaping solutions with product, design and AI specialists, building robust C#/.NET backends, React frontends, and AI-enabled workflows.

Join a small autonomous team shipping production-ready software, collaborating across Europe as we scale our AI-powered platform for clinical research.

Qualifications

• 5+ years of experience as a Full Stack or Back-End Engineer
• Product engineering mindset: ownership of outcomes, user empathy and pragmatic trade-offs
• Hands-on agentic software development with tools such as Claude Code, Cursor or Copilot agents
• Strong C#/.NET Core experience building production services
• Experience with PostgreSQL, including schema design, query performance and versioned database migrations
• Clean or hexagonal architecture, CQRS and domain-driven design
• Event-driven systems with message brokers such as RabbitMQ, Kafka or NATS, including reliable messaging patterns (outbox, idempotency)
• Solid React with TypeScript for front-end development
• RESTful API design
• Containerised services running on Kubernetes
• Git-based workflows and code review

Responsibilities

• Own product features end to end, from problem framing and solution design to production and follow-up on user impact
• Partner with product, design and AI specialists to shape what we build, not only how
• Design and build backend services in C#/.NET Core following clean architecture and CQRS principles
• Model data and write performant, secure PostgreSQL schemas, queries and migrations in a multi-tenant environment
• Build asynchronous, event-driven workflows that integrate AI capabilities reliably
• Design and evolve RESTful APIs with clear OpenAPI contracts
• Develop responsive front-end features in React and TypeScript
• Deploy and operate cloud-agnostic services on Kubernetes, with observability built in from day one
• Practise agentic software development: plan, delegate and review work done by AI coding agents, keeping code tested and production-ready

Skills

5+ years experience

Product mindset

Agentic development

C#/.NET Core

PostgreSQL

CQRS / DDD

Event-driven messaging

React + TypeScript

REST APIs

Kubernetes

Git workflows

Tools

Claude Code

Cursor

Copilot

React

TypeScript

Job description

Biorce is seeking a senior backend-leaning full stack engineer to drive our Barcelona engineering function. You will own features end to end, shaping solutions with product, design and AI specialists, building robust C#/.NET backends, React frontends, and AI-enabled workflows.

Join a small autonomous team shipping production-ready software, collaborating across Europe as we scale our AI-powered platform for clinical research.