8,608 Senior Backend jobs
Senior backend engineering roles owning server-side systems and APIs.
Senior Backend Engineer, Node & TypeScript, Stable SportsTech Co, Used by Millions
Senior backend engineer at a remote-first sports technology platform serving millions of users and tens of thousands of amateur sports organizations. You build and scale event-driven Node.js/TypeScript microservices with SQL databases, APIs, queues, and caching, with a strong product focus and mentoring of other engineers.
Senior Rust Backend Engineer -NYC hybrid
Senior Rust engineer designing and building core services, APIs, and integrations for an event-driven transaction workflow platform that unifies traditional and tokenized financial assets. Stack centers on Rust, Kubernetes, gRPC, Kafka, and LLM/agentic tooling. NYC hybrid role.
Senior Backend Engineer (Java / Kotlin)
Senior Backend Engineer on a 6+ month C2C contract (hybrid in Phoenix) building secure, cloud-native payment and digital wallet services with integrations to Apple Pay, Google Pay, and Samsung Wallet. Core stack: Java/Kotlin, Spring Boot, Vert.x, Kafka, Couchbase, and OpenShift.
Senior Backend Engineer
Senior backend engineer at a fast-growing U.S. fintech serving healthcare providers: design and build Node.js services, scalable REST APIs, and PostgreSQL schemas for fintech/SaaS products, resolve production issues, and shape architecture. Hybrid role in New York paying $160k–$240k plus bonus and equity.
Senior Backend Engineer
Senior backend engineer for a growing consumer marketplace, based in Manhattan (in-office Mon–Thu, Fridays remote). Owns transactional systems and external partner APIs end to end; tech stack is open, with an environment using Ruby on Rails, Node.js, Postgres, and AWS. Pays ~$195k–$220k plus equity.
Senior Backend Developer
Senior backend developer on BioCatch's core backend team, building services that process high volumes of real-time traffic under strict SLA and latency budgets for the company's behavioral biometrics fraud-prevention platform. Main stack is Python with cloud microservices, CI/CD, and Docker; Rust is a plus.
Senior Backend Engineer
Senior Backend Engineer at Ocean, an AI-agent-based email security platform, building and maintaining high-scale backend services end-to-end (design, implementation, testing, deployment, monitoring) in Tel Aviv. Core stack: Golang/Python/Java/C# on cloud (AWS/GCP/Azure) with microservices, databases, message queues, and CI/CD.
Engineering Lead - Recommend Team (Backend Focused - Hands on)
We are looking for an experienced Engineering Lead to join our Recommend team in the London office. At the Recommend team, we aim to grow the Wise customer base through Referrals and Word of Mouth. We make it easy and…
Senior Backend Developer
MAJORITY is a groundbreaking all-in-one digital financial service app that includes an FDIC-insured account, Visa® Prepaid card, money remittance, and international calling. We are built for migrants, by…
Senior Backend Engineer – Kotlin Fintech, Scalable Systems
Senior backend engineer at London fintech Apron, scaling core products like Bill Pay and Apron Card. Day to day: building fast, reliable financial systems in Kotlin on the JVM with PostgreSQL and cloud infrastructure, collaborating with frontend, product, and design to ship features from discovery to production. Hybrid work in London with stock options.
Senior Back-End Engineer
We power people’s progress. At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to…
Senior Backend Engineer (all genders)
About Babbel Labs Babbel Labs is building the future of language learning. We are an AI-first, independent company within the Babbel group, based in Berlin. Our teams bring AI, research and product together to ship…
Senior Java Backend Engineer - Banking, Hybrid Warsaw
Senior Java backend developer building banking applications for a Devire client in Warsaw, supporting structured finance, liquidity calculations and regulatory reporting. Core stack: Java, Spring/Spring Boot, Jenkins, Maven. Hybrid role (3 days/week on-site), B2B contract.
Senior .NET Developer - Backend & API (Hybrid)
Integral Solutions seeks a senior .NET developer to design and build .NET applications, create API services, and refine business logic in a hybrid role in Poland. Core stack: C#, ASP.NET Core, and REST APIs, working with Visual Studio, Git, and Azure DevOps on a B2B contract with benefits.
Senior Backend Developer
MAJORITY is a groundbreaking all-in-one digital financial service app that includes an FDIC-insured account, Visa® Prepaid card, money remittance, and international calling. We are built for migrants, by migrants.…
Senior Backend Developer (Python)
Senior backend developer building and scaling high-traffic Python web platforms and REST APIs using Django/Flask/FastAPI, deployed on Linux with Nginx, Docker, AWS/Alibaba Cloud, CDN and caching, and MySQL/PostgreSQL/Redis. Also supports video streaming / media-related platform infrastructure and troubleshoots production issues.
Senior Java Backend Developer
We are seeking a highly skilled Senior Java Backend Developer to join our dynamic team in Andhra Pradesh. The ideal candidate will have extensive experience in developing robust backend systems using Java and…
Senior Java Backend Engineer
We are seeking a highly skilled Senior Java Backend Engineer to join our dynamic team in Andhra Pradesh. The ideal candidate will have extensive experience in backend development using Java and related technologies. As…