8,647 Senior Backend jobs
Senior backend engineering roles owning server-side systems and APIs.
Senior Backend Engineer (Remote)
Fully remote senior backend engineer role placed with an enterprise software client: designing scalable APIs and backend services, optimizing databases, and ensuring system stability. Core stack includes Python/Java/Go/Node.js, SQL and NoSQL databases, REST APIs, microservices, and cloud/container tooling (AWS/Azure/GCP, Docker, Kubernetes).
Senior Backend Engineer, Monetization & Microservices
Senior backend developer on Coursera's Monetization team in Toronto, owning service architecture and product APIs for scalable backend systems while leading technical initiatives. Core stack is Java, Scala, and the Play framework with modern data stores.
Senior Mobile & Backend Engineer
Senior engineer at insurance company Manulife building mobile and backend solutions for Retirement customers: working full-stack with React Native apps and NestJS services, shaping architecture and engineering standards, and mentoring teammates via code reviews and pair programming.
Senior Java Backend Engineer – Fintech, Spring & Kafka
Senior Java backend engineer for a global fintech firm in Hong Kong: building and maintaining scalable Spring and Kafka microservices, coordinating with product teams, and keeping CI/CD and observability strong across distributed systems. Requires 7+ years of Java backend experience.
Senior Backend Developer
Senior Backend Developer joining Migros's IT Logistics Solutions team in Turkey: designing system architectures for an ongoing logistics transformation and building backend web services and applications with Java/Spring Boot, microservices, Kafka, Elasticsearch/MongoDB, Redis, and Docker/Kubernetes.
Senior Backend Engineer
Data Gurus Corp is hiring a Senior Backend Engineer to work remotely from Costa Rica. The posting provides no further detail on responsibilities, stack, or requirements.
Senior Backend Engineer – Ruby on Rails
Hands-on senior backend engineer (senior IC, not a lead) at a fast-growing product-led London company, building and scaling a Ruby on Rails platform with PostgreSQL, Sidekiq and API design, with occasional React/TypeScript/Redis/AWS work. Hybrid: 1 day per week in the Central London office.
Senior Ruby on Rails Backend Engineer | Hybrid | London
Hands-on senior IC role in London (hybrid: 1 day in office, 4 remote) owning complex backend problems and shaping technical direction. Core stack is Ruby on Rails — scaling Rails applications and designing robust APIs while collaborating with Product to maximise customer impact.
Senior Backend Engineer - Platform & Cloud (Remote, 6m)
Six-month contract (Outside IR35, £500–£600/day) via Sphere Digital Recruitment for a Senior Backend/Platform Engineer to build and scale a critical internal platform. Hands-on work on backend services and cloud infrastructure in a fast-paced product environment, London-based with remote flexibility and occasional office travel.
Senior Backend Engineer - Cloud, AI-Enabled, Hybrid
Senior Software Engineer at MONY Group in Manchester building and scaling cloud products used by millions. Day to day: leading feature delivery across the SDLC, coding in TypeScript, JavaScript, Java and Vue.js on AWS, and championing TDD, pairing, continuous delivery and mentoring in a hybrid team.
Senior Backend Engineer
6-month contract (outside IR35, £500–£600/day) for a Senior Backend/Platform Engineer at a high-growth London technology business, primarily remote. Day to day: building and scaling backend services and APIs in Python/FastAPI on GCP with Terraform, improving observability, and integrating third-party systems.
Senior .NET Backend Engineer: API & Integrations (Remote)
Senior backend engineer building and maintaining high-performance C#/.NET services and secure REST APIs for an eProcurement SaaS platform. Day to day: owning ERP, procurement and finance system integrations, handling OAuth/OpenID security, and driving reliability. Remote-first in the UK with occasional London office meetings.
Senior Backend Engineer – Kotlin/Spring | Hybrid London
Senior Backend Engineer at a fast-growing AI infrastructure company (hired via Understanding Recruitment), building scalable backend features with Kotlin/Spring and improving performance. Hybrid role based in London with flexible home working and office days, shaping technical direction alongside engineers across Europe.
Senior Python Backend Engineer: APIs, Microservices & Cloud
Senior Python backend engineer (8-12+ years) at global IT services firm HCLTech, building backend services, RESTful APIs, and data processing pipelines. Day to day involves designing scalable microservices in Python (Flask/FastAPI/Django), working with cloud platforms (Azure/AWS/GCP), SQL, and DevOps tooling, based in London.
Senior Backend Engineer (Scala/TS) - Hybrid, Journalism Tech
Senior backend engineer on The Guardian's Apps Experience team (12-month fixed-term contract, hybrid in London), writing functional Scala back-ends and TypeScript front-ends running on AWS, in a cross-functional team working alongside journalists and influencing product decisions.
Senior Backend Engineer - Hybrid Edinburgh, Progression
Senior Backend Engineer at The Opportunity Hub UK Ltd in Edinburgh: owning backend architecture, delivering scalable services, collaborating with product/frontend teams, improving deployment pipelines and mentoring juniors. Core tech includes Node.js, Python, Java or Go plus cloud experience on AWS, Azure or GCP; hybrid on-site working.
Senior Backend Engineer
Senior Backend Engineer for a growing Edinburgh SME: designing and owning backend services end to end — from database schema and API design to deployment pipelines and monitoring — while mentoring engineers and diagnosing production issues. Built with Node.js, Python, Java, or Go on AWS, Azure, or GCP, working hybrid from Edinburgh.
Senior Backend Developer
Senior backend developer (12-month fixed contract) on the Guardian's Apps Experience team, building digital journalism products and internal editorial tools. Mostly Scala and TypeScript running on AWS, in a collaborative cross-functional team with a hybrid setup in London (1 day/week in the Kings Cross office).
Senior Backend Engineer
Senior Backend Engineer building a B2C commerce platform from the ground up. Responsibilities include end-to-end ownership of backend systems, architecture, and production-grade deployment, potentially using Go, AWS, and Kubernetes.