8,652 Senior Backend jobs
Senior backend engineering roles owning server-side systems and APIs.
Senior Backend Engineer – C# & API Powerhouse
Senior backend engineer at CUCKOO International (MAL) Berhad in Shah Alam, Malaysia, designing and maintaining scalable backend services and high-performance APIs with C# and ASP.NET for web and mobile apps, working Agile alongside product and design teams.
Senior Backend Engineer (Java/Spring) - Remote & Growth
Fully remote senior role designing, developing, and maintaining scalable backend services in Java and the Spring framework. Day to day: building robust APIs and data access layers, collaborating with product, QA, and frontend, mentoring juniors, and contributing to CI/CD pipelines with modern cloud-based tooling.
Senior Backend Engineer — Conversational AI & LLMs
Probe CX in Auckland is hiring a Senior Backend Engineer to architect and scale AI-powered services: designing REST APIs, integrating LLMs, and building conversational workflows with Node.js and TypeScript. The role includes cloud infrastructure work, partnering with frontend teams, and ownership of technical design, mentorship, and code quality.
Senior Backend Engineer (Java/Spring)
Design, build, and maintain scalable Java/Spring Boot backend services and REST APIs for a software solutions provider as part of a fully remote engineering team. Day-to-day involves relational databases, microservices, CI/CD pipelines, cloud platforms, code reviews, and mentoring junior engineers.
Senior Node.js Backend Engineer for Travel Platform
We Share Berhad seeks a Hong Kong-based backend engineer with 3-4 years of Node.js experience to design and maintain scalable server-side applications and RESTful APIs for its travel platform, working with Express.js, MySQL/MongoDB/PostgreSQL, Git, and cloud services alongside product and design teams.
Senior Software Engineer, Backend
Senior backend engineer at a consumer gaming company, owning projects end to end: building consumer-facing features and data-driven systems (matchmaking, fraud prevention) in Go on Kubernetes/GCP, plus improving CI/CD and experimentation infrastructure. On-site in San Francisco.
Desarrollador Sr Backend Java
Senior Java backend developer who designs and implements clean, modern REST APIs with Spring Boot (WebFlux, Spring Data), integrates them with legacy systems and SQL/NoSQL databases, and owns code quality through test automation, API performance profiling and debugging.
Senior Backend Engineer
As a Senior Backend Engineer, you will design, build, and maintain scalable production services and APIs for a construction management platform. You will lead architectural decisions, mentor team members, and work with technologies including Ruby on Rails, Docker, and AWS.
Senior Backend Software Engineer - Campinas/SP
Senior backend engineer at Agibank, a Brazilian digital bank, designing scalable and resilient Java/Spring Boot services with Kafka/RabbitMQ messaging, MongoDB/Redis, Docker/Kubernetes and AWS. Hybrid role based in Campinas/SP with one onsite day per week, including code reviews, mentoring and setting technical guidelines.
Senior Backend Software Engineer - Campinas/SP
Develops and maintains Java-based backend services for a digital bank using Spring Boot, databases, and cloud-native tools, focusing on scalable financial APIs and customer experience.
Développeur Backend Python confirmé / senior (H/F)
Senior backend developer building the APIs and backend services of Cegedim Business Services' new-generation AI-powered SaaS HR platform, using Python (FastAPI) and PostgreSQL, with Docker/Kubernetes and GitLab CI/CD. The role shapes architecture, integrates AI components, and collaborates with product, design, frontend, and mobile teams.
Développeur Backend Node.js Senior (H/F)
Senior backend developer role in Paris building and evolving server-side JavaScript services with Node.js 22+ (NestJS, Express, Fastify or Koa): designing and securing REST APIs, writing automated tests, tracking coverage, and industrializing development with Git/GitLab, plus optional database, Docker, real-time and security work.
Développeur Backend Java Senior H/F
Senior Java backend developer at Viveris (IT services firm serving retail clients), based in Lille. Joins the Customer squad on a checkout/invoice application: building invoice generation, in-store printing, email sending, document dematerialization, and PDF/structured-data archiving. Work is Java Spring Boot with specs, tests, and production incident fixes.
Senior Technico-Functional QA Engineer – Python / Backend & API / ANGLAIS COURANT(H/F)
Contexte de la mission : Dans le cadre de ses activités sur des systèmes de trading critiques, notre client recherche un Senior Techno-Functional QA Engineer pour renforcer son équipe dédiée aux systèmes de trading.…
Senior Software Engineer (Java Backend)
We're looking for a Senior Software Engineer to join our engineering team building cross-channel management tools that turn massive, complex data streams into impactful actions across paid search, social, and retail…
Senior Software Engineer (Java Backend)
Designs and maintains high-performance Java backend services and REST APIs for BarkleyOKRP's cross-channel advertising management tools, optimizing SQL/MySQL queries for high-throughput paid search, social, and retail media data. Remote role; GCP, BigQuery/dbt, and AI coding tools are pluses.
Senior Backend Engineer
Builds and maintains scalable, resilient Java/Kotlin Spring backend services for Incode's identity-verification platform, used by millions of users. Day-to-day work spans decomposing a monolith into microservices, designing REST APIs, large-scale data migrations, and observability using PostgreSQL, MongoDB, and Redis.
Sr Backend Engineer (Python/Django) with AI Agents — Remote
SearchElect Pte Ltd is seeking a Senior/Lead Backend Engineer (Python, Django) to own entire business domains and build AI-driven workflows. Remote role covering Singapore and Southeast Asia, with a generous…
Senior AI-Driven Backend Engineer
virtuos holdings pte. ltd. seeks a Senior Backend Engineer to design, develop, and maintain backend services and AI-powered applications. You will deliver new features, implement AI capabilities, and improve the…
Senior Backend Engineer for AI Coding Tasks & Testing
Synthires is seeking experienced Software Engineers to support an AI training project focused on creating realistic, challenging coding tasks and reliable evaluation systems. You’ll apply your software engineering…