Senior Backend Developer (Delta Team) - Barcelona

About the companyBiorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI.We are passionate about accelerating medical advancements and improving patient outcomes.Our team comprises seasoned clinical research professionals, data scientists, and AI experts, working collaboratively to bridge the gap between cutting-edge technology and real-world clinical needs.With an unwavering commitment to revolutionize healthcare, we envision a world where all patients benefit from accelerated and cost-effective access to treatments.Biorce is poised to redefine the landscape of healthcare, shaping a future where innovation and accessibility converge for the betterment of humanity.About the roleFollowing our successful expansion into the U.S. and continued growth across Europe, we are seeking a Senior Backend Developer (Delta Team) to help drive our Operations function from our Barcelona hub.This person will play a critical role in building Biorce’s internal software infrastructure, starting with our CRM Leadro.Leadro is Biorce’s in-house AI-native CRM and the system of record for our commercial engine: LLM-driven workflows, data orchestration across our GTM stack, and deep third-party integrations.You’ll own backend systems end to end and shape the architecture as we scale.Who We’re Looking For:The ideal candidate has 6+ years in software development and architecture, with real ownership of production systems.Someone with a track record of taking ambiguous problems from design through documentation to delivery, and experience mentoring engineers and driving technical decisions.This person should be able to own backend systems end to end and help the team deliver fast without breaking things.Key Responsibilities:Design, build, and own Leadro’s core backend services, from data models to APIsBuild and maintain deep third-party integrations across our GTM stackShip LLM-powered features: agentic workflows, enrichment pipelines, and intelligent automationSet technical direction for the backend, lead design reviews, and raise the bar on code quality through rigorous code review and clean code practicesMentor engineers and help the team deliver fast without breaking thingsMust-haves6+ years in software development and architecture, with real ownership of production systemsA track record of taking ambiguous problems from design through documentation to deliveryExperience mentoring engineers and driving technical decisionsCS degree or equivalent practical experienceExpert-level Node.js and TypeScript in production backend systems, including NestJSStrong data architecture skills: complex data modeling, relational databases (PostgreSQL, MySQL), and warehouses like BigQueryAPI design and development (REST, GraphQL), including building and maintaining third-party integrationsHands-on experience shipping LLM-based workflows or agentic systemsModern engineering practices: code review culture, clean code principles, CI/CD, Docker and Docker Compose, and automated testingExperience with major cloud providers (GCP, AWS, Azure) - GCP is our primary platformProficiency with tools like Confluence and JiraNice-to-HavesDistributed and event-driven patterns: Redis, RabbitMQ, Kubernetes, serverlessAuthentication, authorization, and identity management (OAuth, SSO, RBAC)PythonExperience with React, HTML/CSS, Bootstrap is a plus.Prior work on data-heavy SaaS (CRM, RevOps, or analytics tooling)Why Join Us?A dynamic work environment with an international team, where collaboration and diversity thrive.Work alongside top talent, united by a shared purpose and committed to making a real impact.Get equipped with a MacBook to enhance your productivity and work experience.Benefits package designed to support you and your family’s overall well-being.Comprehensive medical, dental, and vision insurance options beginning on the first of the month following hire.Hybrid work model offering flexibility to balance your professional and personal life.Company events to celebrate achievements and enjoy time together.Our office is pet-friendly!You’ll likely be greeted by a few wagging tails upon arrival.–#J-*****-Ljbffr

The ideal candidate has 6+ years in software development and architecture, with real ownership of production systems. Someone with a track record of taking ambiguous problems from design through documentation to delivery, and experience mentoring engineers and driving technical decisions. This person should be able to own backend systems end to end and help the team deliver fast without breaking things.

Biorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI. We are passionate about accelerating medical advancements and improving patient outcomes. Our team comprises seasoned clinical research professionals, data scientists, and AI experts, working collaboratively to bridge the gap between cutting-edge technology and real-world clinical needs. With an unwavering commitment to revolutionize healthcare, we envision a world where all patients benefit from accelerated and cost-effective access to treatments. Biorce is poised to redefine the landscape of healthcare, shaping a future where innovation and accessibility converge for the betterment of humanity.