Senior Backend Engineer – Real-Time Biosensor Data

Lingo is building a cutting-edge digital health platform at the forefront of real-time biosensor data analytics. We are seeking a Senior Software Engineer (Backend) to design and optimize backend systems that are scalable, secure, and resilient across global deployments.You will lead implementation of high-performance APIs, event-driven services, and data...

Lingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives. Our systems process massive volumes of real‑time data, and the backend is the heartbeat that transforms biosensor signals into actionable health...

Lingo is building a cutting-edge digital health platform. We design real-time biosensor data processing with scalable backend services and analytics pipelines. Senior Software Engineer (Backend) will design and maintain microservices, implement event-driven integrations, and ensure security and privacy per HIPAA/GDPR while mentoring others and solving...

Ai Fi is seeking a Backend Software Engineer to optimize highly concurrent systems and scale our store operating systems from small to large venues. You will shape core backend microservices and collaborate with app developers and product managers to address real-world use cases and bottlenecks. Join a platform that enables real-time analytics and scalable...

Gi G in Spain is seeking a Senior Big Data Engineer to own design, build, and support major realtime data projects. You will drive data-driven decisions, review code, promote best practices, and implement robust data pipelines in a hybrid work setting. You'll work with Spark, Kafka, Nifi, Click House and SQL to process and validate large datasets, design...

Supersonik seeks Senior Engineers to join our core team in Barcelona. You will tackle complex technical problems, shape product architecture from day one, and thrive in a fast-growing startup. You should be fluent in modern Python, async programming, and adept at building scalable, event-driven systems. You’ll work across frontend to infrastructure to...

Moon Pay is seeking a Senior Data Engineer to design and build core systems for our data platform in Madrid, Spain.Si desea conocer los requisitos para este puesto, siga leyendo para obtener toda la información relevante.This role involves leading complex data engineering projects, developing real-time data pipelines, and mentoring the engineering...

Parser Limited is seeking a Senior Backend Engineer with strong MLOps expertise to join the Revenue Optimization ML team in Madrid. You will design, build, and maintain infrastructure powering ML solutions, manage data pipelines, and optimize compute resources for high-impact systems. You will work with data scientists to integrate models into production,...

Playson is seeking a Senior Backend Developer to own and optimize core backend services in a high-load platform. You will work closely with product and engineering teams to design, build, and scale scalable backend features while maintaining top reliability and performance. The role emphasizes hands-on production code, on-call responsibilities, and...