8,412 Senior Backend jobs
Senior backend engineering roles owning server-side systems and APIs.
Backend engineer for marketing platforms
Senior backend engineer on Publicis Media's OneSuite marketing platform: designs distributed Python/FastAPI services and large-scale data pipelines (PySpark, Databricks, medallion architecture) on AWS/GCP, plus CI/CD, observability, and mentoring other engineers. Office-based in London four days per week.
Senior Backend Java Engineer - Spring Boot & Microservices
Senior backend developer at Omnicom Group (Interpublic) in London building scalable Java Spring Boot microservices and REST APIs backed by MongoDB or MySQL for a large automotive brand client, working across multiple projects on demanding delivery timelines.
Senior Backend Software Engineer - Kalepa for Operations
Senior backend engineer who designs and builds scalable Python/AWS services, async pipelines, external APIs, and LLM-powered document processing for Kalepa's AI-driven insurance operations platform. Day to day: own services and data models, drive architecture, and mentor engineers on a remote-first team.
Senior Backend Developer
Senior backend developer at FLEXECHARGE (EV charging/energy tech) designing and running event-driven, distributed systems with TypeScript/Node.js and AWS serverless (Lambda, DynamoDB), owning APIs and enterprise integrations end to end, with occasional React/Next.js frontend work. On-site in Copenhagen.
Senior Backend Engineer - Shelfview
Scandit is hiring a Senior Backend Engineer in Tampere to build and run the backend for ShelfView, its ML-powered retail shelf-monitoring platform. The work centers on scaling distributed Python/Django services on GCP/AWS with Temporal, Postgres, and Kubernetes, plus GPU model serving, multi-tenancy, and observability.
Senior Backend Engineer (Backend Platform)
Build and scale backend services powering Fever’s global live-entertainment platform using Python, Django/Flask, PostgreSQL, and AWS.
Senior Backend Engineer
Senior Backend Engineer at Fever, a tech platform for culture and live entertainment, building and scaling Python-based backend services and APIs. Day to day involves delivering end-to-end features, working with event-driven systems (Kafka/RabbitMQ), and improving performance, scalability, and observability on AWS, Docker, and Kubernetes.
[LFR] Développeur Back-end Java / Spring Boot / Kafka à Lille - 2063
Dans le cadre de l'évolution de sa plateforme de commerce omnicanal, le client recherche un développeur expérimenté pour intervenir sur les parcours de vente, de paiement et d'encaissement, aussi bien sur le web qu'en…
Senior Backend Engineer
Job Type: Remote Job Field: Software Engineering Experience: 7+ years Lagos-based candidates preferred. Apply via:…
Senior .NET Backend Developer
On-site senior backend role at CoreKinect, an IoT hardware startup in Chandler, AZ. The developer designs and maintains scalable C#/ASP.NET Core services, REST APIs, and relational databases (SQL Server/PostgreSQL), plus event-driven messaging and production reliability work for enterprise applications.
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 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 AI Backend Developer
Senior AI Backend Developer at KVB Trading, a Hong Kong-based international financial services group. The role designs and deploys agentic LLM workflows (Python, LangChain, LangGraph) and builds Java microservices with RESTful/gRPC APIs that integrate AI engines with enterprise financial systems, plus data pipelines, evaluation frameworks, and production monitoring.