Top Backend Jobs in Manchester

Lead the technical direction and architecture of the Foundations platform team, owning authentication, authorization, SSO, secrets management, tenancy, and core platform services. Design APIs, drive services through launch, make technical decisions, establish engineering standards, and mentor engineers without formal management authority. Partner with engineering and product leaders to align execution with priorities.

Build and scale the backend platform for the FollowScores football app. Develop high-performance Golang microservices, WebSocket and REST API systems using Redis and GCP. Deliver scalable, maintainable, highly available software for millions of users, integrate third-party systems, meet business requirements, and collaborate within a technically focused team.

Build backend data frameworks and tooling that keep GitLab’s datastores scalable, healthy, and safe across SaaS and self-managed deployments. Develop retention and lifecycle controls, schema-change guardrails, bulk data removal tools, SQL traffic replay, and background operations frameworks. Collaborate across engineering and product teams, review database changes, improve performance and migration safety, document best practices, and participate in a tier 2 database on-call rotation.

Build, test, ship, and operate production backend features using Ruby/Rails, Go, or other modern languages. Design APIs, background jobs, integrations, data models, migrations, and services while ensuring security, performance, reliability, and observability. Review code, investigate failures, reduce technical debt, provide operational support, collaborate asynchronously with product and engineering teams, and use AI coding tools responsibly.

Provides technical leadership across teams by designing and delivering large-scale backend initiatives, modernizing monolithic systems, defining architecture and engineering standards, and improving reliability, security, observability, and operability. The role establishes Go and Kubernetes patterns, guides Rust adoption, participates in incident response, mentors engineers, influences platform roadmaps, and leads safe adoption of AI-assisted and agentic engineering workflows.

Develop and maintain the Xodo Sign eSign platform by implementing features, improving existing functionality, and participating throughout the software development lifecycle. Responsibilities include requirements analysis, technical design, implementation, testing, maintenance, research, code reviews, collaboration, and promoting engineering best practices. The role requires modern PHP, MySQL, REST APIs, Docker, AWS, and experience securing, optimizing, benchmarking, and scaling high-availability applications.

Design, build, and maintain secure, tested, performant backend integrations connecting GitLab agents with tools such as Slack, Claude Code, and Codex. Own complex features, develop GraphQL and REST APIs, improve automated testing, troubleshoot production issues through on-call rotations, enhance observability and resiliency, and collaborate across product, frontend, backend, and AI engineering teams.

Set long-term technical strategy for backend identity systems, lead major distributed-system initiatives, ensure operational availability, establish engineering quality standards, collaborate cross-functionally, and mentor engineers. Build and launch highly available systems supporting international expansion, KYC verification, identity data management, decisioning, regulatory compliance, and global risk models.

Build and scale event-driven microservices for M-KOPA Mobility using C#/.NET. Own solutions throughout their lifecycle, from architecture and development through deployment, observability, monitoring, and decommissioning. Work with Azure, messaging systems, Kubernetes, Docker, automated testing, infrastructure as code, and DevOps practices while collaborating with distributed teams and coaching other engineers.

Design, build and operate backend services in AWS for a multi-service hospitality platform. Implement new features, payment and EPOS integrations, improve performance, monitoring and deployment automation using TypeScript/Node.js and databases like Mongo Atlas, Postgres RDS or DynamoDB. Collaborate in a UK development team and automate infrastructure, CI/CD and QA.

Lead cross-functional Developer Experience initiatives across six teams, contributing hands-on backend code in Ruby and Go. Improve testing reliability, test coverage, CI/CD pipelines, logging standards, and development environments. Partner with engineering, platform, product, and infrastructure teams to identify friction, remove systemic bottlenecks, shape the Developer Experience Platform strategy, and foster continuous engineering improvement.

Own technical direction and execution for major products and systems. Design scalable backend, frontend, API, database, and infrastructure solutions; write code; prototype; review code; debug production issues; make architecture trade-offs; convert ambiguous problems into execution plans; improve engineering quality; lead critical initiatives; and mentor engineers.

Lead the design and development of shared backend services and cloud-native platform capabilities. Drive architectural decisions across teams, build scalable and highly available systems using Java and AWS, mentor engineers, and champion software quality, reliability, performance, and security. Collaborate with product, architecture, and engineering teams on complex distributed-systems challenges.

Leads technical direction and hands-on execution for major products and systems. Designs scalable backend, frontend, API, database, and infrastructure solutions; writes code; drives architecture decisions; solves production issues; improves engineering quality, reliability, security, testing, and observability; and mentors engineers across teams.

Own technical direction and execution for major products and systems. Design scalable and reliable architectures, write production code, lead architecture decisions, solve complex engineering problems, and drive initiatives from concept through production. Improve engineering quality across testing, security, observability, and development practices while mentoring engineers and coordinating work across teams and products.

As a Senior Backend Engineer at DuckDuckGo, you'll lead backend projects, mentor engineers, and develop AI-enhanced features for the company's privacy-centric product line.

Design, develop, test, and maintain scalable backend applications, services, and APIs using modern engineering practices. Responsibilities include architecture and solution design, unit and integration testing, troubleshooting, code reviews, technical discussions, Agile collaboration, continuous improvement, and mentoring junior engineers. The role emphasizes performance, reliability, scalability, security, maintainability, and translating business requirements into high-quality technical solutions.

Develop backend blockchain functionality for Cardax DEX on the Cardano blockchain. Write and maintain smart contracts in Plutarch and Haskell that define the constraints and conditions for decentralized token exchange without a central entity.

Build and operate backend services for an AI-native context management system, including ingestion, indexing, retrieval APIs, multi-tenant SaaS infrastructure, agent integrations, and administration tools. Define architecture, storage, service boundaries, and API contracts while instrumenting systems for reliability. Work autonomously in an early-stage environment, iterate rapidly, collaborate across teams, and deliver scalable production software for AI-agent workflows.

Build and operate GitLab’s Gitaly backend storage systems, focusing on distributed storage, Git repository management, reliability, scalability, performance, and observability. Own complex technical initiatives end to end, lead system design, collaborate across engineering and customer-facing teams, mentor engineers, improve development practices, respond to incidents, participate in on-call duties, and implement operational improvements for production systems.

Build and own scalable backend microservices for call treatment orchestration, brand data, analytics, and billing. Design event-driven and hexagonal architecture solutions using Java and Spring Boot, relational databases, caching, and event-streaming platforms. Contribute to technical decisions, production support, reliability improvements, troubleshooting, and distributed team collaboration.

Build and operate high-traffic Java backend services for identity, authentication, onboarding, KYC, login, and account recovery. Design REST and gRPC APIs, event-driven systems, and database-backed services while improving architecture, monitoring, reliability, and tooling. Participate in code reviews, production support, on-call rotations, incident remediation, and cross-functional collaboration. Contribute to frontend user experience and apply AI tools responsibly in a regulated fintech environment.

Design and build backend platform and SDK features for an open-source and cloud product. Responsibilities include database schema design, query optimization, scalable APIs, reliable production systems, security, observability, architecture, and technical roadmap development. The role also involves customer support, code reviews, documentation, open-source participation, and occasional on-call work.

Build and maintain backend AI capabilities for GitLab Duo Chat: design flow components and agentic flows in Python/LangGraph, integrate LLMs and multi-agent orchestration, implement and maintain APIs in the Rails monolith, improve observability and reliability, and participate in on-call rotations and cross-functional collaboration to deliver safe, scalable AI chat features.

Build tooling, workflows, and guidance to make GitLab easier to deploy, validate, and operate across cloud-native and self-managed environments. Evolve deployment guidance, improve production-like ephemeral environments, and maintain consistent deployment artifacts and environment contracts across development through production.