8,608 Senior Backend jobs
Senior backend engineering roles owning server-side systems and APIs.
Backend Java Developer
Senior backend Java developer at King (maker of Candy Crush) building shared backend platforms and services that internal game teams rely on. Day to day: design reliable APIs, evolve and scale Java services under heavy load, own services through production with a DevOps mindset. GCP experience is a plus.


Senior Backend Engineer
Senior Backend Engineer building and shipping core platform features for Nourish, an AI-native digital health clinic, using TypeScript, Node.js, Prisma, PostgreSQL, and AWS.
Senior Java Backend Developer – Spring Boot & Aws - €24.000 - €32.000 All'Anno
Backend developer at an Italian technology consultancy building open-source applications in Java, working in a team on innovative projects in a hybrid setup in Turin. Core stack: Java (2+ years), Spring Boot, REST APIs and JPA; AWS is mentioned in the title. RAL €24,000–32,000 plus meal vouchers.
Desenvolvedor back-end sênior
Senior backend developer building and evolving a C#/.NET platform that supports the company's healthcare-vertical clients: maintaining legacy systems, designing relational data models, writing automated tests, and occasionally contributing frontend work — 100% onsite in São José dos Campos/SP on a PJ (contractor) basis, working directly with the Tech Lead.
Senior Backend Engineer: Java & Kotlin Microservices
Senior Backend Engineer at BELVEDERE in Wrocław designing, developing, and maintaining Java and Kotlin microservices on Azure. Day-to-day work involves building REST and gRPC APIs, applying Domain-Driven Design, and contributing to CI/CD pipelines for scalable, secure cloud-native systems.
Senior Backend Engineer - AI Commerce (Java/Python)
Senior Backend Engineer at SoftServe building AI-powered shopping experiences, replatforming AI services from Java to Python. Day to day: developing scalable production backend services, contributing to conversational workflows, and collaborating with data scientists and product managers to ensure reliability and performance.
Desenvolvedor(a) Backend Java Sênior | Arquitetura e Microsserviços
Senior backend developer at Grupo Panvel (Brazilian pharmacy retail group) designing and evolving Java/Spring Boot microservices with hexagonal architecture, Kafka event-driven integrations, REST APIs via API Gateway, CI/CD and Kubernetes deploys, plus observability with Datadog/Elastic and modernization of legacy Oracle/PL-SQL systems. Hybrid role based in Eldorado do Sul, RS.
Senior Software Development Engineer (Backend) - Evisort Ai - C$140,000 - C$210,000 A Year
Senior backend engineer at Evisort (a Workday company) building and running an AI-driven contract management platform. Owns services end to end in Python (Flask/FastAPI/Django) on AWS, with PostgreSQL, Docker/Kubernetes, Elasticsearch, LLM/agent work, and observability via Sentry/Grafana.
Senior Backend Engineer - Ai-First, .Net/C (Remote Canada) - C$150,000 - C$170,000 A Year - Remote
Senior backend engineer to help build a new AI-first SaaS application at Computrition, designing cloud-native backend systems in .NET/C# using architectural patterns like Event Sourcing and CQRS, with AWS and Docker. Full-time remote role within Canada paying C$150,000-C$170,000 per year.
Senior Game Backend Engineer - C$105,000 - C$125,000 A Year
Senior backend engineer at Offworld Industries (studio behind Squad and Starship Troopers: Extermination) to take technical ownership of a live-service game's Node.js/TypeScript microservice backend on Tencent's InGame PaaS — stabilizing stateful scaling, modernizing CI/CD, building automated tests, and liaising with Tencent GCloud teams. 12-month fixed-term contract, 3 days/week in office.
Senior Backend Engineer, Ai Platform (Toronto) - C$158,525 - C$214,475 A Year
Senior Backend Engineer on EvenUp's AI Platform team, designing and running the backend systems and infrastructure that let product teams deploy LLM-powered services safely at scale. Full-lifecycle ownership from architecture to monitoring, using Python, Postgres, Kubernetes, and Elasticsearch; hybrid role, 3 days/week from the Toronto office.
Senior Go Backend Engineer — Pam Api & Cloud Architecture - C$139,000 - C$209,000 A Year
Staff/Senior Software Engineer on a Privileged Access Management (PAM) product team for an identity management company: evolves the core architecture, builds scalable backend components, and designs APIs using OpenAPI. Core stack is Golang with cloud services.
Senior Backend Engineer, Client Portal (Toronto) (Winnipeg) - $152,660 - $214,475 A Year
Senior backend engineer on EvenUp's Cases Product team, owning integrations and the client portal for its legal-tech SaaS for personal injury law firms. Day to day: designing integration architecture and RESTful APIs, working with third-party vendors, and shipping across the full project lifecycle using REST/SOAP/GraphQL and SQL.
Senior .NET Backend Engineer (C#) – On-Prem, Sweden
Senior backend engineer designing, building, and maintaining C#/.NET services on-premises for Datamatics' Sweden operation in an asset management context, working with SQL Server data models, complex integrations, and CI/CD/DevOps practices. The listing is advertised in Islamabad, Pakistan.
Sr. Software Engineer (Backend) - Portugal
Senior backend engineer at Lively, a remote-first benefits fintech known for its HSA, building and enhancing investment and financial products. Day to day: backend services in TypeScript/Node.js with PostgreSQL and AWS Lambda/Kinesis, plus integrations with financial institutions; based in Portugal while collaborating closely with US-based employees.
Senior Backend Developer
Why This Role Exists Every AI response, every live market feed, every trade execution, and every portfolio calculation runs through Tradl's backend. During market hours, the system must handle thousands of concurrent…
Senior Python & GraphQL Backend Engineer
Design, build, and maintain robust backend applications and GraphQL APIs at Xurpas, collaborating with frontend teams, architects, and product stakeholders to deliver scalable solutions. Core technologies are Python and GraphQL, based on-site in Taguig, Philippines.