27,056 Backend jobs
Server-side engineering roles — APIs, services, databases and backend systems.
Senior Backend Engineer
Senior backend engineer at Publicis Media building OneSuite, a marketing intelligence and automation platform. Day to day: architecting distributed Python (FastAPI/Flask) microservices and APIs, and building PySpark/Databricks data pipelines for campaign activation, on AWS/GCP with Docker/Kubernetes. Based in London, working from the office four days per week.
(Senior) Backend Engineer, Maps
Backend engineer on Wheely's Mapping team, building Go microservices for road matching, low-latency ETA prediction, and high-volume geospatial tracking. Stack includes Go, PostgreSQL, MongoDB, RabbitMQ, Redis, gRPC, and Thrift on AWS and Kubernetes.
Hybrid Golang Backend Engineer – Real-Time Data
Build and scale bet365's FollowScores app, turning complex football data into real-time score updates for millions of fans. Day-to-day involves writing Golang microservices and APIs (WebSockets and REST) on GCP with Redis, in a hybrid setup from Ancoats, UK.
(Senior) Backend Engineer, Marketplace
Backend engineer on Wheely's Marketplace team, building the Go services behind supply/demand balancing, pricing, and driver-passenger matching for its premium ride-hailing service. Stack includes PostgreSQL, MongoDB, RabbitMQ, Redis, gRPC, and Thrift on AWS/Kubernetes, with an office-based role in West London 4 days a week.
Backend Engineer III
Backend Engineer III (L40) at Monzo, the UK digital bank, working on its in-house banking platform — from customer-facing products to infrastructure, payments, and financial crime systems. Stack is Go on AWS/GCP (prior knowledge not required); role is London-based or fully remote within the UK, paying £85,000–£110,000 plus performance-linked incentive awards.
Global Banking & Markets - Backend Developer, Systematic Market Making - London
Backend developer on Goldman Sachs' Systematic Market Making team in London, designing, building and monitoring high-performance trading strategies and tailoring algos to client needs. Core stack is Java or C++ with a low-latency, quantitative trading focus.
Remote Backend Java Engineer - APIs, GraphQL & Azure
Backend engineer at Arco designing, building and maintaining scalable Java/Spring Boot services, developing GraphQL APIs, and working with Cosmos DB on Azure in an Agile team. Full remote or hybrid working is offered, with Hull as the head office option.
Backend java developer in market risk
Backend Java developer building and enhancing market-risk applications at Methods, an IT services consultancy serving UK public-sector and financial clients. Day-to-day: Java/Spring and Python services, optimized SQL on large relational databases, JUnit testing, Shell/Perl scripting, and DevOps practices in an Agile squad.
Software Engineer, Arcade (Backend)
Backend engineer for Triumph Arcade, a mobile platform where players compete in skill-based games for cash and prizes. You'll build tournaments and matchmaking, run real-time multiplayer game servers, personalize rewards, fight fraud, and scale the backend for millions of weekly games (Go is a plus), onsite at the San Francisco HQ.
Senior Automation Engineer (Backend Testing & Data Migration Testing) (Chicago)
Coforge is hiring a Senior Automation Engineer (onsite in Chicago) to design and run data migration test strategies, building automated validation and reconciliation frameworks that compare source and target data. Core stack: Python/Java, SQL automation, and Oracle, SQL Server, MySQL, and Snowflake; requires 10+ years of experience.
Lead Backend Developer (Chicago)
A hands-on lead role building enterprise-grade applications in Chicago (100% onsite): designing Java/Spring Boot microservices and REST APIs, contributing React front-end work, reviewing code, troubleshooting production issues, mentoring developers, and supporting CI/CD in an Agile team.
Senior Backend Developer (Fort Lee)
Senior backend developer designing, building, and scaling high-performance Node.js and Nest.js APIs and microservices for a fast-scaling digital product ecosystem, working with MongoDB, MySQL, Redis, REST/GraphQL/WebSocket, and message brokers. Full-time, office-based in Fort Lee, NJ — no remote or hybrid.
Jr. Java backend developer (Raleigh)
Junior Java backend developer (W2 contract) in Raleigh, NC building REST APIs and microservices with Spring Boot and Java 11/17+, backed by SQL databases, JUnit/Mockito tests, Git/CI-CD, and hands-on use of AI coding assistants; fintech/securities domain experience is a plus.
Senior Backend Engineer (New York City Metropolitan Area)
Senior backend engineer at a Series B scale-up in Lower Manhattan (hybrid, 3 days/week) designing and scaling high-volume third-party integrations, event-driven services, and data synchronization pipelines. Core stack is TypeScript, Node.js, and SQL databases; salary up to $230k plus equity.
Senior Backend Engineer (New York City Metropolitan Area)
Senior backend engineer (Senior II) at a well-funded Series B scale-up in Lower Manhattan, hybrid 3 days/week. Designs distributed systems, large-scale data pipelines, async/event-driven services and high-throughput APIs using 2+ of TypeScript, Python, Go with SQL/NoSQL. Up to $260k base + equity.
Backend Engineer (New York)
Second backend engineer at Silo Markets, a brokerage startup that rewards long-term investing with airline miles and travel rewards. You'll build core backend infrastructure — trading systems, APIs, brokerage integrations, databases, and risk management tools — working directly with the founders with major ownership of architecture.
C# Developer Back End H/F
Secteurs stratégiques : Banque d?investissement Démarrage : ASAP Contexte /Objectifs : Dans le cadre d'un projet au sein d'un client grand compte, nous sommes à la recherche d'un développeur sénior spécialisé sur les…
Développeur Back End C#/REACT H/F
Secteurs stratégiques : Banque d?investissement Démarrage : ASAP Contexte /Objectifs : Industrialisation de modules d?overrides et d?ajustement + amélioration des outils de monitoring de production notamment sur le…
Développeur JAVA BACKEND SPRING BATCH TDD H/F
Secteurs stratégiques : Banque d?investissement Démarrage : ASAP Contexte /Objectifs : Dans ce cadre, la prestation consiste à contribuer à/au(x) : Développement des différents projets fonctionnels Développement ITRM…
Développeur backend Java Core - Multithreading calculs distribués H/F
Secteurs stratégiques : Banque d?investissement PAS DE FULL REMOTE NI SOUS TRAITANCE MERCI Démarrage : ASAP Contexte /Objectifs : Au sein d?une équipe qui travaille sur une application d'aide à la décision pour le…