Top Backend Jobs in Manchester

Senior PHP backend engineer to develop and maintain the Xodo Sign eSign platform. Work in a Scrum team across requirements, design, implementation, testing, and maintenance; build and scale REST APIs; optimize performance and security; perform code reviews; research and propose product enhancements; and promote engineering best practices.

Design, build, and operate the high-availability event and trigger system that links GitLab and third-party events to AI-powered Duo Flows. Work in GitLab's Rails monolith, scale for high throughput, influence architecture, add trigger types, collaborate cross-functionally, and participate in Tier 2/3 on-call rotations to troubleshoot production issues.

The Senior Software Engineer will lead the development of backend systems for payment processing, collaborating with teams, setting goals, and fostering quality and ownership in code development.

As a Staff Backend Engineer at GitLab, you'll enhance backend infrastructure for CI, integrate AI features, and ensure reliability and performance in CI/CD workflows.

Ownership of backend features for Agentic Tools: design and implement GraphQL/REST APIs, build secure scalable Ruby on Rails services, improve RSpec automated tests, collaborate across product and AI teams, participate in Tier 2 on-call, and shape architecture for AI agent interactions with GitLab.

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.

As a Backend Engineer, you'll improve Git and Gitaly by contributing features, bug fixes, and performance improvements, collaborating with the open source community, and participating in architectural discussions.

Design, build, and maintain scalable backend services and REST APIs for the Personal Loans platform. Develop event-driven, Kafka-integrated distributed components, support CI/CD and automated testing, participate in architecture and code reviews, troubleshoot production issues, and drive reliability and continuous improvement.

The Senior Staff Backend Engineer will lead technical direction for systems, manage engineering standards, mentor teams, and ensure alignment with broader company goals. Responsibilities include hands-on coding, architecture, and partnership with product teams to maximize impact.

As a Senior Backend Engineer, you will collaborate with cross-functional teams to build resilient software and support various banking operations using technologies like Go and Kubernetes.

As a Staff Backend Engineer, you will collaborate across teams to build and improve backend systems using various technologies, focusing on customer-centric solutions and resilient software.

The Backend Engineer III will collaborate with cross-functional teams to design and build parts of Monzo's banking platform using technologies like Go and Kubernetes, focusing on customer outcomes and resilient software.

Lead design and implement scalable backend services using Java and serverless technologies. Architect RESTful APIs and event-driven systems, optimize performance and cost, contribute to frontend components when needed, maintain CI/CD and IaC, provide technical leadership, mentor junior engineers, and produce documentation for shared components.

Develop and maintain the backend ecosystem for the Alta Video Management System, focusing on cloud-based distributed systems and coding quality.

Maintain and support client websites by writing clean, scalable C# back-end code (MVC). Troubleshoot and profile applications, follow security best practices, participate in code reviews, contribute to planning and estimations, and collaborate with support and technical teams.

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 and mentor engineering teams, design and build Python microservices, ensure system resilience and scalability, and improve CI/CD processes.

The Full-Stack Engineer will enhance backend functionality, collaborate with teams, and maintain platform performance and security, requiring expertise in Python.

Design, build, and scale backend services and APIs for a customer-experience analytics platform. Architect distributed systems, own end-to-end delivery, integrate LLMs and AI pipelines, optimize database performance, ensure observability and production reliability, and collaborate with Product on features and technical direction.

Lead backend feature delivery and technical strategy for high-traffic services. Design, implement, test, deploy and maintain scalable cloud-based systems (AWS). Champion best practices (TDD, CI/CD), ensure security, debug and optimise code, mentor teammates, and collaborate with product and design to deliver customer-focused solutions.

The Backend Engineer will implement new SDK and Indexer features, automate testing, support integration, and oversee production releases.

The Staff Backend Engineer will own the Economic Core of Voyagu's Radar platform, focusing on financial systems architecture and ensuring revenue correctness and financial logic implementation across the system.

Design, build, and operate scalable, fault-tolerant backend services and APIs for forecasting, scoring, and data processing. Integrate ML models into production, write maintainable Python, participate in on-call rotations, lead reviews, mentor engineers, and drive cross-cutting platform improvements.

Build and operate distributed backend services and genomic reasoning engines that combine whole genome bioinformatics with AI. Design scalable data models, retrieval and vector search systems, and deterministic guardrails to ensure scientifically accurate, explainable genomic AI for production use.

Build and maintain high-performance, fault-tolerant distributed backend services and data pipelines for large genomic and health datasets. Design storage, indexing, and async event workflows; optimize latency, throughput, and reliability. Partner with bioinformatics and product teams to validate scientific accuracy and guard AI-driven responses.