Experteer 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 global deployments. This role offers impact in shaping a cutting-edge health tech platform and advancing privacy-by-design in healthcare data.

Compensaciones / Incentivos
• 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

Responsabilidades
• 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 compliance requirements (HIPAA, GDPR, or similar)
• Solid understanding of performance optimization, scalability patterns, and async data processing
• Strong collaboration and communication skills; ability to work cross-functionally with other engineering and product teams

Requisitos principales
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📌 Senior Software Engineer (Backend) - Lingo (Barcelona)
🏢 Abbott
📍 Barcelona