Top Software Engineer Jobs in Bristol

Develop and optimize software framework support enabling Triton, PyTorch, and other machine learning frameworks to run on Graphcore hardware. Responsibilities include implementing features, compiler development, performance optimization, code reviews, technical documentation, upstream open-source collaboration, and coordinating complex technical work across teams.

Design, build, and operate high-performance platform services for SailPoint’s Identity Security Cloud. Develop Golang microservices, Angular and TypeScript features, automated tests, and AWS-based distributed architectures. Collaborate with data scientists on AI-driven capabilities, optimize low-latency services and databases, improve CI/CD pipelines, participate in a 24x7 on-call rotation, and contribute to technical design, mentoring, and platform strategy.

Design, build and automate integration and system tests across firmware, BMC and Linux device drivers. Develop reusable tools, pipelines and packaging solutions, debug cross-layer issues, and define release gates to ensure high-quality system software releases.

Build and maintain Ruby on Rails backend features for vulnerability management, including security dashboards, reports, and ingestion pipelines. Improve system performance, reliability, and scalability; collaborate across backend, frontend, product, design, and security teams; review code; address technical debt; and participate in on-call rotations. The role requires relational database experience, distributed-team collaboration, technical problem-solving, and contributions across the stack when needed.

Develop tools and services for building, testing, and integrating Machine Learning Software. Collaborate with QA and development teams, focusing on best practices and troubleshooting integration issues.

Develop internal tooling and technical processes for building, testing, integrating, and releasing machine learning software components. Guide developers on build practices and dependency management, support reproducible builds in secure sandboxed environments, collaborate with QA and engineering teams to resolve integration issues, and contribute fixes to the ML software stack.

Join the International Accelerator full-stack team to design, build, and operate Direct-to-Consumer products across international markets. Break projects into tasks, collaborate with PM/design/analytics, build and monitor APIs and web apps, support on-call and availability, participate in hiring and team growth, and write clear, well-tested, maintainable code.

Architect and deliver resilient, high-performance cloud services for SailPoint’s identity platform using Golang and Angular. Design synchronous and event-driven microservices, build scalable SaaS features, improve performance and reliability, conduct architecture and code reviews, and mentor engineers. The role includes collaboration with product and architecture teams, participation in a 24x7 on-call rotation, and leadership across Policy Engine and agentic identity initiatives.

Design, build, deploy, and operate full-stack microservices for SailPoint’s Policy Engine. Develop scalable distributed systems using Golang and Angular, write unit and integration tests, debug and profile complex services, participate in on-call support, lead design reviews, mentor engineers, and contribute to technical roadmaps and architectural initiatives.

Build AI-powered features that automate data-driven slide decks and documents. Develop production LLM solutions using LangChain, RAG, LlamaIndex, and generative AI technologies; improve system performance and reliability; and collaborate with designers and engineers. Responsibilities span AI insights, content generation, integrations, optimization, and potentially LLM agents. The role requires advanced Python, machine learning and NLP expertise, and experience building and fine-tuning LLMs in production.

Contract software engineering role for a remote Europe-based engineer building scalable, resilient backend products with client teams. Responsibilities include backend development in Go, API and SaaS platform development, cloud infrastructure, distributed systems, containerized deployment with Docker and Kubernetes, testing with TDD, and performance optimization. The role also involves technical communication, collaborative problem-solving, and thoughtful use of AI tools.

Own and evolve GitLab’s authorization systems across its Ruby on Rails monolith and next-generation Rust policy engine. Design fine-grained permissions for users, tokens, roles, and AI agents; secure GraphQL and REST APIs; lead feature-flagged rollouts and migrations; improve performance and reliability; and collaborate across authentication, platform, AI, and modular-service teams in a distributed asynchronous environment.

Develop and support scalable Java and Spring Boot backend microservices powering omnichannel inventory availability, order promising, allocation, fulfilment, and post-purchase experiences. Build event-driven processing with Kafka, integrate OMS, WMS, ERP, commerce, and fulfilment platforms, and ensure services are secure, observable, reliable, and performant. Own features from design through production, write tested code, participate in reviews, troubleshoot production issues, and improve operational efficiency.

Designs, automates, and executes functional, integration, API, contract, regression, concurrency, and performance tests for inventory, order promising, sourcing, and fulfillment platforms. Investigates defects, validates fixes, maintains regression coverage, integrates quality tests into CI/CD pipelines, and supports release readiness. The role collaborates with product and engineering teams to validate distributed commerce systems, integrations, business rules, data consistency, scalability, resilience, and consumer-impacting workflows.

Design and develop scalable, secure frontend web applications for connected embedded systems. Lead frontend architecture, collaborate with backend/embedded teams, implement device provisioning, telemetry visualization, and remote management UIs. Optimize performance, accessibility, and maintainability; mentor engineers, participate in reviews, and drive frontend best practices.

Lead test strategy and validate low-level Linux kernels, device drivers and platform tools. Design, build, run and report component-to-system tests, debug across hardware, firmware and software stacks, improve test infrastructure and mentor engineers to ensure production-ready drivers and platform reliability.

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.

Develop and scale software supporting Firefox’s build, test, and release pipelines. Improve developer experience through release automation, collaborate with distributed engineering teams, participate in code reviews, maintain existing tools and codebases, and respond to critical service outages during normal working hours.

Design and build distributed systems for a high-performance CI/CD execution platform. Responsibilities include orchestrating Supabase Branch lifecycle operations, provisioning ephemeral sandboxed environments on AWS, scheduling concurrent builds, optimizing pipelines through caching and artifact reuse, handling retries and failures, instrumenting observability, and developing configuration and infrastructure integrations. The role requires strong Go and TypeScript skills, cloud infrastructure experience, and a production operations mindset.

As a Software Engineer, you'll manage data collection and infrastructure for AI model training, collaborating with scientists and stakeholders to enhance data processing workflows.

Designs and delivers scalable AI-centric software for offensive security, including agentic vulnerability detection, automated penetration testing, workflow optimization, and threat intelligence. Owns features from ideation through deployment and monitoring, contributes to architecture and testing, and collaborates across teams. Requires Python or Go, AI technologies, microservices, APIs, messaging, databases, Docker, Kubernetes, and cloud experience.

Build accessible, scalable, high-quality frontend interfaces for a cloud-native Data Marketplace using React and TypeScript. Write automated tests with a test-first approach, take technical ownership, contribute to architecture and technical direction, and mentor other engineers. Work within cross-functional feature teams, with opportunities to contribute to backend development, REST APIs, databases, CI/CD, containers, and Kubernetes.

Lead technical authority for embedded engine control application software. Guide architecture, implementation, SW/HW integration, verification, automation, and DO-178C/ARP4754 certification (DAL A). Provide technical oversight in design reviews, safety assessments, cybersecurity considerations, risk mitigation, process improvement, and stakeholder engagement with product teams and regulators.

Develop and maintain internal BIM tools and plug-ins supporting 3D modeling, model checking, data delivery, and digital QA/QC. Responsibilities include analyzing legacy code, implementing enhancements, integrating with Tekla Structures, Revit, and Navisworks APIs, gathering user feedback, documenting changes, managing version control through GitLab, and deploying validated, backward-compatible solutions. The role collaborates closely with BIM Developers, BIM Managers, and civil engineering teams.

Build and own backend systems for card issuing, payments, reconciliation, double-entry accounting, webhooks, API versioning, and compliance workflows. Responsibilities include making architectural decisions, writing RFCs, delivering features from customer problem to production, monitoring and debugging live systems, improving engineering practices, and mentoring teammates. The role requires strong distributed systems and software fundamentals, functional programming or fintech expertise, and comfort working autonomously in a collaborative startup environment.