Top Software Engineer Jobs in Bristol

Senior backend engineer responsible for designing, coding, and operating highly available distributed identity systems for Affirm’s international markets. The role includes owning quarterly goals, delivering scalable features in Kotlin and Python, collaborating across product and engineering teams, improving code and design standards, monitoring system availability, resolving production issues, mentoring engineers, and supporting technical planning and hiring.

Leads embedded software research and development for power electronics systems, including motor drives, chargers, battery management, and power conversion. Designs, simulates, prototypes, tests, and optimizes resource-efficient software on microcontrollers. Leads research projects, evaluates emerging technologies, mentors engineers, manages development processes, collaborates with suppliers and multidisciplinary teams, and communicates technical findings and risks to stakeholders.

Build and launch scalable backend features and services for restaurant partners. Own projects end to end, collaborate with product and engineering teams, identify high-impact technical opportunities, and maintain reliable production systems through testing, monitoring, logging, and DevOps practices. The role uses Python and Flask primarily, with flexibility to work in Go, Ruby, and other technologies on a distributed remote team.

Build and maintain customer-facing features, internal tools, and platform improvements for a Rails-based self-storage operating system. Responsibilities include full feature ownership, collaborating with Product, writing tests, debugging production issues, improving stability and performance, monitoring applications, participating in code reviews, and contributing to technical discussions. The role requires independent work on defined tasks and collaboration within a small product engineering team.

Develop and automate software tests for PlayStation development tools, including regression, exploratory, performance, and coverage testing. Create test strategies, investigate bugs, build testing tools, report results, and collaborate with global teams on quality infrastructure. The role also involves mentoring peers, improving engineering practices, and safely applying AI-assisted coding tools.

Develops full-stack features for live operational metrics, including backend services, APIs, and real-time frontend dashboards. Responsibilities include improving system scalability and stability, integrating business logic, troubleshooting software, documenting technical changes, and collaborating with stakeholders. Requires frontend JavaScript or TypeScript experience and backend .NET development with C# and ASP.NET. The role is primarily remote with occasional Bristol or London office visits.

Leads the team building the SRE function and owns its technical vision, platform capabilities, reusable tooling, pipelines, frameworks, and developer experience. Manages senior engineering staff, drives recruitment and retention, aligns technical strategy, oversees reliability and operational excellence, partners with vendors, and contributes hands-on code. The role requires strong SRE, cloud, software architecture, DevOps, testing, reliability engineering, and people leadership experience.

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.

Lead technical direction and hands-on execution for major products, systems, and engineering initiatives. Design scalable and reliable backend, frontend, API, database, and infrastructure solutions; write code; make architecture trade-offs; solve production issues; and improve testing, security, observability, and development practices. The role also leads critical initiatives, mentors engineers, and translates ambiguous product challenges into clear technical plans.

Own technical direction and execution for major products and systems. Design scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; write production code; lead architecture decisions; solve complex production problems; improve engineering quality, testing, security, and observability; drive critical initiatives; and mentor engineers across teams.

Manage and scale AWS EKS Kubernetes clusters, automate infrastructure with Terraform or Pulumi, optimize system performance, maintain blockchain nodes, scale databases handling terabytes of data, and improve reliability through monitoring and observability. Collaborate with backend and product teams to support feature development and platform scalability.

Develop and maintain high-quality Java and AWS software applications. Design, build, test, and troubleshoot scalable, secure, high-performance systems across multiple application layers. Contribute to architecture, technical decisions, estimation, product planning, and requirements creation. Mentor junior engineers and collaborate with technical and non-technical stakeholders. Experience with CI/CD, cloud platforms, data storage, and Java BPMN implementations is valuable.

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, develop, and maintain scalable, highly available services, APIs, applications, and middle-tier components supporting operational and regulatory technology. Make architectural decisions, apply modern engineering and delivery practices, and contribute to secure, reliable systems on AWS. Provide technical leadership through mentoring, code reviews, knowledge sharing, and continuous improvement within a cross-functional Agile team.

Architect and develop production-grade business systems across Salesforce, NetSuite, and integrated enterprise platforms. Build quoting, subscription, and entitlement engines; create automation pipelines and API integrations; establish architecture, security, documentation, and code-review standards; and translate commercial policies into scalable technical solutions. The role partners with Finance, Sales Operations, Customer Success, and product stakeholders while maintaining system reliability, auditability, observability, and production readiness.

Lead design and delivery of scalable, cloud-native backend systems and integrations. Provide technical leadership, conduct code reviews, champion testing and observability, mentor engineers, collaborate with stakeholders, and drive operational excellence.

Lead technical design and delivery of supply chain and warehouse software at scale. Drive architecture, DevOps, observability, reliability and performance practices; mentor senior engineers; influence product and technology strategy; promote clean code and engineering excellence across teams; support recruitment and outreach.

Lead technical direction and modernise international commerce platforms. Design scalable integrations for product, pricing, fulfilment, partner/marketplace flows. Promote engineering excellence, DevOps ownership, observability, and mentor teams while aligning technology strategy with business goals.

Design, implement, test, and ship Firefox security and hardening features for enterprise users. Improve browser security architecture across operating systems, including privilege isolation, trust boundaries, cryptographic protocols, WebPKI, and security-sensitive web APIs. Investigate security issues, deliver maintainable fixes, and resolve stability, correctness, performance, memory, and multithreading challenges in a complex native codebase.

The Senior Software Engineer will enhance the core product by developing features and tools for Chainguard Images, collaborating with teams and ensuring product quality.

Own and design high-impact components of Chainguard's container image platform. Build and improve image build systems, tooling, and services at scale. Drive technical direction, participate in roadmap planning, collaborate cross-functionally, and mentor engineers to raise engineering quality.

Build innovative software products in the Special Projects Division addressing public health, agriculture, education, and aid-related challenges in Sub-Saharan Africa. Responsibilities include designing software architectures, developing on UNIX-based platforms, participating in code reviews, using disciplined version control, collaborating with teams, and potentially applying Django, React, Android, or PyTorch. The role may involve travel to Africa to understand local contexts.

Leads software engineering teams in designing, building, testing, and maintaining scalable, secure applications. Owns technical architecture, estimation, product planning, requirements, and delivery while using AWS, Node.js, TypeScript, Terraform, and AWS CDK. Provides technical direction, customer engagement, mentoring, coaching, and performance management. Applies modern development practices such as XP, TDD, continuous integration, continuous delivery, and production troubleshooting.

Design, build, and evolve customer-facing backend services and public APIs supporting multiple Chainguard products. Own features end-to-end, create technical design documents, collaborate with Product and Experience teams, and contribute to a fast-paced, product-driven roadmap. Build reliable, observable cloud-native services and shared platform capabilities, including authentication and notifications.

Build and operate high-throughput backend services for financial crime detection across WorldRemit and Sendwave. Responsibilities include developing alerting, screening, risk-rating, and agentic AI investigation workflows; integrating third-party compliance platforms; improving observability, reliability, and auditability; collaborating with compliance teams; reviewing designs and code; and participating in on-call production support. The role requires strong Java and Spring expertise, event-driven systems experience, and familiarity with cloud and infrastructure tooling.