• Design, build, and own scalable backend services and APIs that handle complex healthcare data and workflows • Optimize database queries and data models to ensure system performance and reliability at scale • Evaluate and articulate technical tradeoffs across system design, performance, and maintainability • Integrate AI tools and agentic coding patterns into backend workflows where they add real value • Write clean, well-tested, production-grade code with a high bar for quality • Partner with product, data, and cross-functional stakeholders to translate requirements into robust technical solutions • Contribute to engineering standards through code reviews, technical discussion, and better defaults

• Analyze, design, develop and implement solutions using Java 8+ and modern frameworks. • Perform evolutionary and corrective maintenance on legacy systems and new products. • Ensure code quality through unit tests, code reviews and continuous integration. • Develop and consume REST and SOAP APIs, and integrate systems with external platforms. • Collaborate with business analysts, QA and other technical teams in an agile environment (Scrum/Kanban). • Support technical decision-making and propose performance, security and architectural improvements. • Contribute to the dissemination of development best practices within the team.

• Colaborar en un proyecto temporal en modalidad full-remote.

• Lead and mentor a team of mid/senior backend engineers (4–5), including 1:1s, feedback, and performance management • Translate product and business goals into clear technical roadmaps, sprint plans, and backend priorities • Own the backend architecture and technical vision for mobile-first, consumer-facing apps used by tens of thousands of daily active users • Drive and oversee implementation of new features for our mobile apps, working closely with iOS/Android, Product, Data, DevOps and Trust & Safety teams • Take key architectural decisions around scalability, performance, reliability, data flows, and infrastructure on AWS • Modernise and improve a large, Ruby on Rails codebase (including version upgrades and refactoring legacy areas) while keeping systems stable in production • Identify and resolve performance bottlenecks, improve API speed and reliability, and design effective caching and database strategies • Establish and continuously improve engineering processes, coding standards, code review practices, and deployment/CI pipelines • Create and maintain clear technical documentation and design specs for backend systems and major initiatives • Handle prioritisation and trade-offs in a fast-moving environment with changing quarterly priorities • Be hands-on with coding and code reviews, especially for complex or high-impact areas, and step in during critical production incidents