Top Software Engineer Jobs in Manchester

Entry-level software engineering role for new graduates joining Affirm’s Instruments team. Responsibilities include contributing to team projects, writing clear and well-tested code, navigating large codebases, debugging, participating in code reviews, collaborating with global stakeholders, communicating trade-offs, and balancing delivery speed with system quality and reliability. The role is hybrid in London during the early-career program, with future remote or office flexibility.

Build and maintain low-latency, highly available, distributed event-driven systems handling high volumes of live events and transactions. Work across the full stack using Golang, TypeScript, React, SQL, Kafka, and GKE. Responsibilities include modernizing architectures, improving reliability, contributing to system design, estimating technical work, and collaborating with cross-functional stakeholders in a continuously changing environment.

Build, scale, and support gaming platform technology, including Golang microservices and React front ends. Own development from requirements through go-live, collaborate across web, API, and transaction teams, solve complex technical problems, and contribute to high-volume products deployed across Google Cloud and global data centers.

Develop and maintain full-stack marketing, affiliate, sports content, and customer communication platforms. Build scalable solutions using C#, .NET, web technologies, SQL, and related tools; support existing code, testing, product owners, technical proposals, and effort estimates. Identify improvements, maintain coding standards, and contribute within Agile delivery teams. The role includes opportunities to develop Golang expertise through a dedicated bootcamp and supports hybrid working.

Build and enhance core data platform infrastructure and services supporting real-time streaming, cloud databases, distributed storage, system integration, release automation, and developer tooling. Develop scalable, low-latency solutions using Golang, Kafka, Flink, GCP, Spanner, and BigQuery. Support testing, monitoring, performance validation, quality assurance, and continuous platform improvement in a high-volume environment.

Software engineering intern supporting the Platform Engines group and Policy Engine for SailPoint’s cloud identity security platform. Responsibilities include developing software, procedures, and test solutions; collaborating with software and QA engineers, technical writers, and product managers; and working in Agile teams. The intern will gain exposure to cloud and software technologies including Golang, Angular, AWS, Docker, Kafka, Kubernetes, REST, SQL, and Temporal.

Build and maintain Samsara's Cloud Governance Platform across AWS and GCP, focusing on cloud IAM guardrails, automated compliance controls, and software supply-chain security. Implement SAST/DAST and secure CI/CD patterns, design scalable, reliable systems, translate regulatory requirements into automated controls, collaborate cross-functionally, and own components end-to-end while mentoring teammates and shaping the roadmap.

Build and operate backend systems connecting pharmacies, health systems, and insurers. Solve distributed-systems challenges involving event-driven workflows, retries, idempotency, data consistency, and failure recovery. Own features from architecture through production, contribute to AI-powered capabilities, make pragmatic technical decisions, and collaborate with product and engineering leadership on roadmap and architecture. The role is hybrid in Manchester, with office attendance one to two days weekly.

Maintain and modernise DevOps platforms for maritime mission-critical sonar systems. Build and optimise CI/CD pipelines, migrate legacy environments, implement IaC and automation, improve platform performance, availability, monitoring, security, and develop in-house tooling to support software delivery.

Build and scale Supabase Storage across client libraries, CLI, CDN, storage servers, and deployment infrastructure. Responsibilities include improving upload and download performance, asset optimization, edge networking, caching, observability, reliability, APIs, developer tools, and the storage explorer. The role also involves PostgreSQL and distributed-systems performance tuning, infrastructure operations, escalated support resolution, and end-to-end project ownership in an asynchronous, remote, open-source environment.

Designs, develops, tests, operates, and supports secure, reliable software solutions. Responsibilities include translating requirements into technical designs, building full-stack or cloud software, reviewing AI-assisted code, creating automated tests, participating in code and design reviews, documenting systems, and improving engineering practices. Specialisms include backend, frontend, full-stack, DevOps, and cloud engineering, using technologies such as Python, JavaScript, AWS, Terraform, and Kubernetes.

Build, test, and maintain reliable software supporting order fulfilment, production, and dispatch. Collaborate with engineering, product, business, and factory teams to solve operational challenges, shape technical solutions, and deliver incremental improvements. Contribute to technical design, agile delivery, testing, system reliability, engineering practices, and knowledge sharing. The role involves working with cloud services, event-driven systems, operational software, and technologies including .NET, C#, TypeScript, AWS, React, databases, and Terraform.

Lead Mark43's AI-enabled engineering initiative by designing and orchestrating multi-agent systems that plan, write, review, test, and deploy software. Write prompts, scaffolding, and tool integrations (VCS, test runners, internal APIs), evaluate agent performance, prototype LLM-based workflows, collaborate cross-functionally, mentor teammates, and contribute to on-call rotations.

Develop and maintain cross-platform consumer mobile applications using React Native, TypeScript, and JavaScript. Build reusable components, integrate REST and GraphQL APIs, optimize performance, implement testing and monitoring, resolve production issues, support CI/CD releases, and apply accessibility and usability principles. Collaborate with product, design, QA, and engineering teams in an Agile environment while contributing to code reviews, architecture, experiments, and continuous improvement.

Develop and support a business-critical Martech Content Platform using full-stack technologies and cloud platforms. The role leads technical delivery, designs scalable and highly available systems, provides technical governance, estimates work, produces solution documentation, and mentors developers. Responsibilities include hands-on development from design through production, supporting operational systems, ensuring code quality and performance, and acting as an escalation point for the team.

Build and maintain Turso’s open-source database and cloud platform. Responsibilities include advancing PostgreSQL compatibility, ensuring software correctness through testing and verification, operating cloud APIs and data planes, and scaling systems to support substantially more databases. The role involves Rust development, embedded database technology, large-scale cloud operations, observability, reliability, performance improvements, and collaboration with customers, open-source communities, and distributed teams.

Build and improve Firefox WebCompat internal dashboards, reporting tools, and broken-site screenshot capture pipelines. The role involves creating reliable data views for triage and metrics, automating screenshot workflows, collaborating with WebCompat and QA teams, and translating reporting needs into effective tooling. Familiarity with WebCompat workflows, Bugzilla, screenshot automation, and machine learning is preferred.

Design, build, test, deploy, and support full-stack features for the ELM secure generative AI platform. Develop Java and Spring services, TypeScript and Angular web applications, database integrations, REST APIs, and containerized deployments. Contribute to CI/CD, automated testing, secure coding, accessibility, documentation, code reviews, and agile delivery while collaborating with technical and non-technical teams. Production support, cloud platforms, AI integrations, mentoring, and responsible AI experience are desirable.

Improve Firefox Gecko’s Session History reliability by expanding Web Platform and Gecko mochitest coverage, debugging failures, fixing correctness issues, and landing changes through code review. The role requires substantial browser-engine experience, strong C++ and JavaScript skills, and comfort working with public bugs, module owners, and upstream development processes.

Build Tailscale’s internal AI-enablement tools, workflows, guardrails, and practices. Partner with engineering leadership and technical teams to define the AI roadmap, evaluate coding agents and models, improve developer velocity and quality, and drive safe adoption. The role includes internal tooling, developer advocacy, documentation, impact measurement, and collaboration across engineering and non-engineering teams.

Develop and support mission-critical finance systems, including bank ledgers and integrations. Design reliable, maintainable services, collaborate with accountants, treasurers, and internal stakeholders, and contribute throughout the project lifecycle. Engineers will work primarily with Java in a cloud-native environment using PostgreSQL, AWS, GCP, Kubernetes, Terraform, Grafana, and CI/CD tooling. The role emphasizes transaction accuracy, financial process automation, system resilience, and solving complex technical problems.

Supports a business-critical warehouse management system in a 24x7 environment. Responsibilities include application maintenance, upgrades, incident resolution, infrastructure and database administration, SQL performance optimization, monitoring, integrations, change and release management, vendor coordination, SOX compliance, disaster recovery testing, documentation, and continuous service improvement.

Provides 24x7 production and application support for a business-critical warehouse management system. Responsibilities include monitoring, incident resolution, troubleshooting, SQL and database support, application maintenance, upgrades, release testing, infrastructure coordination, documentation, SOX compliance, and disaster recovery testing. The role collaborates with infrastructure, networking, cybersecurity, SAP, middleware, database, and vendor teams to maintain application availability, security, and performance.

Leads the architecture and delivery of GitLab’s static analysis engine and evaluation tooling. Owns program modeling, vulnerability detection quality, SAST rules, AI-assisted development guardrails, and benchmark validation. Sets technical direction, mentors engineers, coordinates complex initiatives, contributes to research and open source, and participates in on-call rotations. The role requires deep program analysis, application security, systems programming, performance optimization, containerized CI/CD, and experience building trustworthy LLM tooling.

Develop and maintain cross-platform consumer mobile applications using React Native, TypeScript, and JavaScript. Build reusable components, integrate REST and GraphQL APIs, implement state management, optimize performance, troubleshoot crashes, support testing and CI/CD releases, and apply accessibility and usability principles. Collaborate with product, design, QA, and engineering teams in Agile delivery environments while contributing to code reviews, experiments, and engineering standards.