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A senior engineer designs and implements C#/.NET backend microservices and RESTful APIs for a sustainability-focused product, mentoring peers and contributing to architecture decisions in a hybrid UK (Cambridge) role, with optional exposure to OAuth, Azure, or AWS.
Sanderson Recruitment is hiring an experienced Senior Backend Engineer in Gloucester to design, build, and scale secure backend platforms and microservices across private and public clouds. The role involves working in agile DevSecOps teams, shipping frequent releases, and collaborating with fellow engineers on robust, scalable systems.
A senior Python engineer role at Spencer Rose Ltd in Watford (hybrid, 2-3 days in office) designing, building and maintaining high-throughput, API-first back-end services with a focus on reliability, performance and scalable architecture. Core tech includes Python, Azure, Kafka and CI/CD, plus mentoring and code review.
Lead Backend Engineer at OneSavings Bank (OSB Group) providing hands-on technical leadership across Savings squads, acting as technical authority over secure, scalable microservices and full-stack/Salesforce platforms. Hybrid role based in Wolverhampton, Chatham or London, paying £65,000–£75,000.
Lead/senior backend engineer at Ksubaka, a London company doing in-store gamified advertising, designing and building its software platform. Day to day is backend engineering in Java with SQL/NoSQL data stores, Hibernate/JPA2, TDD, and Agile work in international teams.
Junior backend developer role based in Moscow with remote work possible; the posting provides no details on the tech stack or day-to-day duties. Salary is 80,000–110,000 RUR gross (before taxes).
Senior backend developer who designs, builds, and maintains REST APIs, backend services, and integrations between corporate systems using C#/.NET 8, ASP.NET Core, microservices, and event-driven architecture, with SQL Server/PostgreSQL/MongoDB. On-site in São Paulo; the project spans Mexico and South America and requires Spanish communication.
Senior Java backend developer at CI&T in Campinas, Brazil, evolving a production microservices ecosystem on Google Cloud within a financial-domain context. Day to day: building Spring Boot REST APIs, troubleshooting production issues, code reviews, CI/CD with GitHub Actions, and mentoring, with mandatory office presence for Campinas metro residents.
Candour Solutions is hiring a Backend System Developer in Hulme, Manchester, to build and integrate business-critical backend platforms with ERP, warehouse management, and finance systems. The role requires ~4 years of backend experience in a strongly typed language, strong SQL skills, and a solid grasp of SOLID, Clean Architecture, and Domain-Driven Design.
Senior backend engineer at DFYNE working on product platforms: building and operating large-scale production systems and APIs. Core stack includes TypeScript or Python, distributed systems, relational databases, and cloud environments (ideally Google Cloud Platform), based onsite in Uddingston, UK.
Backend engineer building scalable Python services, backend APIs, and data integrations for data and AI product engineering, working with Product and Frontend teams. Role sits on a Madrid-based team with remote work options and quarterly office weeks in Vienna.
Softtek is hiring a Senior Backend Engineer in Madrid (hybrid) to build large-scale systems with Java 17/21, Spring Boot microservices and REST APIs, using Kafka, MongoDB and PostgreSQL. The role emphasizes code quality, continuous improvement, and offers internal mobility and benefits.
Senior Python developer joining an engineering team at Capitole to build scalable backend applications and high-performance distributed systems, taking part in architecture decisions alongside product, data and infrastructure teams. Core stack: Python microservices, REST/GraphQL APIs, Airflow, PostgreSQL/ClickHouse/MongoDB, Kafka/RabbitMQ/Redis/Celery, Docker and CI/CD.
Backend/ERP developer (Barcelona) who leads customization and scaling of a Microsoft D365 F&O ERP system for a B2B commerce company, manages delivery with SCRUM/Kanban, and drives CI/CD, automated testing, and version control. Core stack: X++, .NET, and Power Platform.
Develop and maintain backend services and big data pipelines using Python, FastAPI, and Apache Spark. The role involves building scalable APIs, working with MongoDB, and optimizing data transformations within a hybrid work model in Barcelona.
Backend lead role at Enfint in Barcelona: the person drives technical direction, architecture and engineering standards across several live software products, while managing and mentoring a small backend team hands-on. Core stack is Kotlin and/or Python on AWS, with a focus on integrating AI and automation into the products.
Backend developer who owns the Node.js/TypeScript back office of a healthcare product connecting patients, insurers and doctors, integrating external insurance APIs and SSO, with automated/manual testing in a small autonomous Madrid-based team (hybrid, 2 office days).
Backend developer at Aicox Soluciones' software development team in Madrid, building performance-focused, real-time systems for an important project. Core work involves SQL relational databases, MQTT and WebSockets protocols, and concurrent app development, with Next.js/React experience valued.
Backend developer at TECDATA Engineering in Madrid, working on a stable, demanding project: building and maintaining SOA/REST backend services, resolving incidents and delivering enhancements, and integrating with various systems.
Backend developer in Madrid building and maintaining SOA/REST services: developing new features, resolving incidents, integrating with other systems, and collaborating with frontend teams across the full development lifecycle while applying good coding and quality practices.
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