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Senior Java backend developer migrating legacy systems to modern microservices on OpenShift, designing scalable APIs, and optimizing distributed system observability.
The Senior Backend Engineer will design, develop, and maintain cloud-native microservices for payment solutions using C# and .NET. The role involves working in an agile team to build scalable, event-driven architectures on Azure.
Senior Backend Engineer building reliable, maintainable healthcare applications and infrastructure at Oscar, collaborating with product managers and designers to simplify interactions with the health care system using Python and Golang.
Senior Backend Engineer building and modernizing backend systems and RESTful/OpenAPI APIs in C#/.NET for internal and customer-facing platforms, with architecture ownership and mentorship duties.
Builds cloud-native telecom APIs that integrate with OSS/BSS systems to manage customer value in a modern telecom ecosystem using Java and CI/CD.
Build and scale a B2B SME financing platform using Python, Flask, and FastAPI, designing RESTful APIs and working with MySQL/PostgreSQL in a fully remote SaaS environment.
Builds and scales Databricks' data and AI infrastructure platform, focusing on backend systems, cloud-agnostic abstractions, and developer tooling (e.g., Rust workflows).
Build and scale Coupang’s ad-tech backend services, designing low-latency microservices and APIs to power real-time advertiser campaigns and reporting.
Plaud is seeking a Senior Backend Engineer to build and maintain an AI evaluation and data governance platform. The role involves designing distributed systems, implementing secure data access patterns, and creating reusable platform components to support AI-native product development.
Senior Java API Engineer building internet-facing HTTP APIs for pricing and promotions across Tesco's retail channels, using JVM technologies with TDD/BDD and SOLID design in a hybrid London office.
Senior Backend Engineer building and scaling a Go microservices platform on Kubernetes, crafting REST APIs and evolving database schemas for a real-time play detection and online competition system.
Build and maintain scalable, secure Ruby backend systems and RESTful APIs as part of an agile consultancy team, contributing to architecture, code reviews, and DevOps practices.
Senior Backend Developer building and scaling Python cloud microservices (FastAPI) for an Insurtech unicorn's insurance platform, owning features end-to-end and collaborating cross-functionally.
Senior Java J2EE backend developer coordinating and supervising backend developments for public-sector projects in Catalonia (mainly T-Mobilitat), managing technical teams and overseeing architecture using Java J2EE, EJB 3.0, WildFly, and AWS.
Lead the backend team at Stowlog, building and scaling a NestJS/TypeScript backend with MongoDB (migrating to PostgreSQL), defining API guidelines, implementing observability, and managing DevOps infrastructure.
Lead digital transformation projects as a Senior Backend Developer, focusing on Node.js, AWS, and Fastly CDN for an international tech company in a hybrid setup in Madrid.
Scalian es una empresa de más de 6.000 personas con una dimensión internacional, con oficinas en Europa y América del Norte. Estamos especializados en dar servicios a diferentes clientes enfocados en Data, Cloud e…
Senior Java Backend Developer building and supporting backend components for international products using Spring Boot, Kubernetes, and Kafka in a hybrid role based in Barcelona with frequent collaboration with Munich teams.
Senior .NET backend developer building and maintaining backend systems with .NET Framework/Core, Docker, Kubernetes, SQL Server, and message queues for a Madrid-based tech services team.
Senior .NET Backend Developer building and maintaining backend services using .NET Framework/Core, Kubernetes, Docker, SQL Server, and message queues in an Agile/Scrum team based in León, Spain.
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