26,989 Backend jobs
Server-side engineering roles — APIs, services, databases and backend systems.
Backend Engineer | Remote
Remote contract backend engineer (10–40 hrs/week, $30–$100/hr) at Crossing Hurdles who creates realistic coding tasks and deterministic verifiers for AI, while also building scalable services and APIs, debugging and optimizing backend systems, and conducting code reviews in languages like Java, Go, Python, or C++.
Rust Backend Engineer - Low-Latency Trading Infrastructure
Builds core backend infrastructure for HyperLink, a prime broker on Hyperliquid: high-performance Rust services, Solidity smart contracts for HyperEVM, and real-time trading systems with sub-millisecond latency, using TEEs and privacy-preserving cryptography.
Senior Go Backend Engineer for Cloud-Native Data Pipelines
Senior backend engineer building high-performance, cloud-native infrastructure and real-time data pipelines in Go for a low-latency, high-uptime trading environment. Works with trading, infrastructure, and data teams, with emphasis on distributed systems, production-grade design, and observability.
Java Backend Engineer - Fintech, Microservices & AWS
Build backend, frontend, or full-stack features for Binance.US fintech applications, working with Java, Spring Boot microservices, TypeScript, React, and AWS to deliver scalable production systems with a focus on reliability and security.
Senior Java Backend Engineer — APIs & Microservices
Senior Java backend engineer at Virtusa building scalable backend services for finance and banking projects, working on RESTful APIs, GraphQL and WebSocket integrations with SQL/NoSQL data handling, plus a strong emphasis on unit testing and API documentation.
Backend Engineer for AI Finance Platform
Backend engineer building core APIs and workflows for BJAK's AI Finance Agent, a rapidly growing neobank app in Singapore. Day to day: designing and implementing resilient, scalable, secure backend services and collaborating with product and mobile teams to ship customer journeys.
Backend Engineer
Backend engineer at HyperLink, a prime broker for Hyperliquid, building core infrastructure for institutional-grade algorithmic trading: high-performance Rust services, HyperEVM smart contracts, TEEs, and real-time trading systems with sub-millisecond latency requirements.
Senior .NET Backend Engineer for Scalable, Reliable Systems
Senior backend engineer who designs, builds, and maintains C#/.NET services, APIs, and integrations for a company's product operations, handling production issues in high-traffic environments and mentoring junior engineers. Core stack: C#/.NET and relational databases.
Golang Backend Engineer for Web3 Infrastructure
Backend engineer at NodeReal building high-performance Web3 infrastructure in Golang: scalable services, RPC gateways, and data pipelines across multiple chains. Day-to-day work includes optimizing distributed systems, participating in code reviews, and collaborating with overseas partners in English.
Node.js & TypeScript Backend Engineer - Public Sector
Backend engineer designing, building, testing and maintaining scalable Node.js and TypeScript applications and APIs for Government and Public Sector digital platform projects in Singapore, working alongside product managers, solution architects, frontend developers and DevOps engineers.
Hands-On Backend Team Lead
Leads a backend engineering team at Fullpath (Cox Automotive) while staying ~80% hands-on: coding, high-level design, task planning, mentoring, and owning the team's repos, CI/CD pipeline, and DevOps. Role centers on SaaS B2B backend development in an agile environment, based in Tel Aviv or Jerusalem.
Automation QA Engineer (Backend)
Automation QA Engineer (Backend) at Rakuten Viber, the messaging app for messages, calls, and media sharing. The role focuses on automated testing of the app's backend, working hybrid from the Warsaw, Poland office.
Sr. Backend Engineer
Senior Backend Engineer at Uber Freight designs and builds scalable logistics systems in Mexico City, optimizing freight pricing, routing, and operations using Go, Java, or Python.
Sr. Software Engineer - Backend
Senior backend engineer at Uber Freight in Chicago (hybrid, 2 days WFH) who architects and develops scalable, maintainable services, leads complex projects end-to-end with cross-functional stakeholders, and mentors junior engineers. Core stack: Golang, Thrift, gRPC, MySQL, Redis, Bazel, with Grafana/ELK observability.
Senior Software Engineer (Backend)
Senior backend engineer at Uber Freight designing and building scalable microservices, distributed systems, and APIs that power a global freight/logistics marketplace. Day-to-day involves developing high-throughput services in Go, Java, Python, or C++, driving architecture, mentoring engineers, and owning production reliability.
Senior Backend Engineer, Development Health
Senior backend engineer on GitLab's internal Development Health team (Developer Experience), building automation and tooling that keep GitLab's own CI/CD pipelines healthy: alerting/remediation, flaky/slow test detection, and engineering analytics. Core stack is Ruby, with CI/CD systems, APIs, and AI coding assistants.
Backend Developer
Consultant backend developer role at Dashy Studios in Stockholm: design, build and iterate backend systems for client companies in gaming, media streaming and immersive entertainment. Stack spans Java/Spring, Go, Python, C#/.NET or TypeScript, cloud platforms (AWS/Azure/GCP), Docker/Kubernetes, and REST/RPC APIs, with a hybrid office setup.