🇪🇸 Barcelona, Spain
Senior Backend Developer (Delta Team)
Biorce
TecnoempleoseniorEnglish-friendlyonsite
About the company 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. About the role Following 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 Biorces internal software infrastructure starting with our CRM Leadro. Leadro is Biorces 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. Youll own backend systems end to end and shape the architecture as we scale. Who Were 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 Leadros core backend services from data models to APIs - Build and maintain deep third-party integrations across our GTM stack - Ship LLM-powered features agentic workflows enrichment pipelines and intelligent automation - Set technical direction for the backend lead design reviews and raise the bar on code quality through rigorous code review and clean code practices - Mentor engineers and help the team deliver fast without breaking things Must-haves - 6+ years in software development and architecture with real ownership of production systems - A track record of taking ambiguous problems from design through documentation to delivery - Experience mentoring engineers and driving technical decisions - CS degree or equivalent practical experience - Expert-level Node.js and TypeScript in production backend systems including NestJS - Strong data architecture skills complex data modeling relational databases (PostgreSQL MySQL) and warehouses like BigQuery - API design and development (REST GraphQL) including building and maintaining third-party integrations - Hands-on experience shipping LLM-based workflows or agentic systems - Modern engineering practices code review culture clean code principles CI/CD Docker and Docker Compose and automated testing - Experience with major cloud providers (GCP AWS Azure) - GCP is our primary platform - Proficiency with tools like Confluence and Jira Nice-to-Haves - Distributed and event-driven patterns Redis RabbitMQ Kubernetes serverless - Authentication authorization and identity management (OAuth SSO RBAC) - Python - Experience 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 familys 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 Youll likely be greeted by a few wagging tails upon arrival. By submitting this application I agree that my personal data will be collected processed and retained by the company solely for the purposes of managing and assessing my candidacy.Sourced from Tecnoempleo. Relocantly aggregates public job postings; apply on the original site.