Overview As a Senior Backend Engineer at Lingo, you design and optimize scalable cloud-native services that transform real-time biosensor signals into actionable health insights. You work with cross-functional teams to deliver high-performance APIs, event-driven data flows, and secure data processing at scale. Your efforts directly support reliability, observability, and developer experience across integral deployments. This role offers impact in shaping a cutting-edge health tech platform and advancing privacy-by-design in healthcare data. Responsabilidades * Design, develop, and maintain scalable microservices and APIs for real-time biosensor data processing * Implement event-driven integrations with messaging/streaming systems (Kafka, RabbitMQ) and analytics pipelines * Collaborate with SRE to ensure observability, performance, and operational excellence across backend services * Participate in architecture and design reviews, defining service boundaries, data models, and communication patterns * Optimize backend services for low latency, high throughput,



and cost efficiency * Apply privacy-by-design and security standards in line with HIPAA/GDPR compliance requirements * Write clean, maintainable, and testable code; establish and uphold engineering standards within the team * Mentor junior engineers through code reviews, pair programming, and knowledge sharing sessions * Troubleshoot production issues and contribute to incident response and post-mortem analysis Requisitos principales * 5-8 years of backend engineering experience with distributed, cloud-native systems * Strong skills in microservices architecture and API design (REST; familiarity with GraphQL/gRPC) * Experience with Kubernetes in production environments and familiarity with service mesh concepts * Hands-on proficiency with messaging/streaming systems such as Kafka or RabbitMQ * Programming expertise in backend languages such as Java, Kotlin, Python * Knowledge of secure coding practices and complia

📌 Senior Software Engineer (Barcelona)
🏢 Abbott
📍 Barcelona