Top Backend Jobs in Bristol

Design, develop, and launch scalable backend systems and APIs for consumer payments. Break projects into deliverable phases, collaborate with product and engineering partners, monitor system reliability, support on-call operations, review code, debug systems, and contribute to technical decisions and team development.

Owns delivery of quarterly engineering goals, leads backend engineers through ambiguous problems, collaborates across product and engineering, improves system reliability and quality, supports production operations and on-call efforts, and develops team talent. Builds highly available distributed payment systems for international markets using scalable architectures, strong testing, monitoring, and operational practices.

Develop and maintain secure, reliable backend services for GitLab repository workflows using Ruby and GraphQL. Responsibilities include designing APIs and data models, optimizing SQL queries and performance, implementing caching and rate limiting, testing, troubleshooting, monitoring production systems, participating in Tier 2 on-call, improving observability, and collaborating asynchronously across engineering and product teams.

Build scalable backend systems, data pipelines, APIs, and services for Zscaler’s Threat Intelligence team. Process and index large volumes of threat data, improve performance and engineering practices, and collaborate with malware reverse engineering teams to enhance threat detection. The role requires Python, PostgreSQL, Redis, distributed systems, REST APIs, SQL optimization, and backend database expertise, with preferred experience in AI/LLM workflows, malware automation, Django, Kubernetes, and search engines.

Build and maintain secure, performant backend services for GitLab’s Change Record team using Ruby on Rails and GraphQL. Develop APIs, data models, business logic, tests, and user-facing workflows while improving reliability through performance tuning, caching, observability, rate limiting, and resiliency. Collaborate across teams, support production systems through Tier 2 on-call, troubleshoot incidents, and use AI coding agents responsibly.

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.

Lead and manage a cross-functional engineering team to deliver and scale customer-facing products. Own architecture, delivery, reliability, observability, and production outcomes. Coach engineers, run reviews, improve processes and tooling, and drive technical decisions across frontend, backend, APIs, databases, integrations, and infrastructure.

Lead and manage a cross-functional engineering team to deliver reliable, scalable wealth-management products. Drive architecture, code quality, observability, incident response, and engineering culture while coaching engineers and improving processes to increase delivery speed and reliability.

Lead and manage a cross-functional engineering team to design, build, and operate production systems. Own technical architecture, delivery, reliability, and processes. Coach engineers, run reviews, resolve incidents, and drive product outcomes while balancing speed, scalability, and quality.

Design and implement APIs, data pipelines, and services powering digital-asset trading experiences. Build and aggregate trading protocols, aggregators, and trade types; develop features for Phantom’s web platforms; support new blockchain integrations and complementary products; engage directly with users and developers; and contribute to team growth and hiring standards.

Build and own event-driven microservices for M-KOPA Mobility’s electric-mobility financing platform. Responsibilities include designing C#/.NET backend solutions, managing production systems, applying DevOps and infrastructure-as-code practices, implementing automated testing and continuous delivery, and using observability tools such as Prometheus and Grafana. The role involves collaborating across global teams, contributing to architecture decisions, monitoring services, and leveraging AI coding tools such as Claude Code.

Design, implement, and evolve complex backend capabilities for GitLab’s global DevSecOps platform. Drive architecture and technical direction, improve quality, security, availability, performance, and operational readiness, and participate in incident response. Mentor engineers, lead through technical influence, collaborate asynchronously across product and infrastructure teams, and integrate reliable agentic AI systems into production engineering workflows.

Designs, builds, deploys, monitors, and supports backend services powering an enterprise AI platform. Responsibilities include developing APIs, AI gateway and orchestration capabilities, multi-tenant systems, entitlements, metering, integrations, data access patterns, and platform services. The engineer owns services end to end while addressing reliability, distributed-system failure modes, testing, operational support, and developer experience.

Design, build, and optimize Phantom’s streaming blockchain data platform, including scalable ETL pipelines, data models, schemas, quality frameworks, observability, and high-availability systems. The role delivers accurate, low-latency token, price, and spam data to engineering teams, collaborates cross-functionally, and contributes to team growth. Experience with backend systems, modern data engineering, and Web3 or on-chain data is expected.

Build scalable backend services, APIs, microservices, and event-driven solutions supporting personalization, recommendations, search, and AI-driven consumer experiences. Integrate AI/ML capabilities, develop React components, implement search using Elasticsearch or OpenSearch, and work with Kafka, databases, Redis, and cloud-native architectures. Ensure systems are secure, observable, resilient, and low latency while collaborating with AI/ML, data, and engineering teams.

Build and operate scalable backend APIs, microservices, and integration services powering personalization, recommendations, search, and AI-driven consumer experiences. Own features from design through deployment, monitoring, and support. Collaborate with AI/ML and data engineering teams, improve service performance and reliability, contribute to system design and engineering standards, and mentor junior engineers.

Owns global technical recruiting for AI/ML, software engineering, infrastructure, web, and mobile teams. Responsibilities include developing recruiting strategy, leading critical searches, partnering with engineering leadership, setting hiring standards, building and coaching a technical recruiting team, improving recruiting processes through data and market intelligence, and expanding talent networks across the US, Europe, and Asia.

Designs, builds, and operates scalable backend services, APIs, microservices, and event-driven systems supporting personalization, recommendations, search, and AI-driven consumer experiences. Partners with AI/ML, data, product, and engineering teams; integrates search and generative AI capabilities; improves performance, reliability, observability, security, and operational excellence. Leads technical delivery, mentors engineers, contributes to architecture reviews, and promotes engineering best practices.

Build and maintain payments infrastructure, including usage tracking, pricing, billing, payment providers, and stream-processing services. Collaborate with Finance, Tax, Growth, Sales, and engineering teams to support compliance, reporting, experiments, and customer payments. Plan migrations, debug complex production billing issues, and safely evolve live systems handling money. Requires Python expertise, backend development experience, software and system design knowledge, testing and security fundamentals, and strong problem-solving ability.

Build and operate core platform systems for users, workspaces, permissions, APIs, authentication, and resource management. Deliver full-stack features with a backend focus, including admin and settings interfaces. Scope work within large existing systems, plan migrations, manage safe rollouts, debug production issues, and collaborate across product and engineering teams. Candidates need strong Python and backend development expertise, software and system design knowledge, testing and security fundamentals, and the ability to navigate ambiguity.

Develop Rust software for managing and adapting cloud resources in Kubernetes environments. Collaborate on architecture, infrastructure, and feature design while debugging distributed systems and engaging directly with users. The role requires production Rust experience, cloud-native infrastructure knowledge, and familiarity with datastores, message brokers, and GitOps tooling. Experience with developer tools, Kubernetes operators, or DevOps platforms is preferred.

Develop and maintain scalable .NET backend services, REST and GraphQL APIs, and microservices. Design SQL Server schemas, optimize queries, implement Entity Framework Core data access, and build secure authentication flows. Collaborate in Agile teams with product, frontend, and QA stakeholders. Write automated tests, apply Clean Architecture and DDD, resolve performance and production issues, maintain API documentation, and support Azure DevOps CI/CD, Docker, monitoring, and structured logging.

Develop and maintain scalable Atlassian cloud products using Kotlin, Java, and server-side technologies. Responsibilities include writing clean, testable code, creating unit and integration tests, conducting code reviews, designing APIs, optimizing performance, and collaborating with product, design, QA, and technical writing teams. The role requires building distributed systems using Kubernetes and AWS, working with SQL and NoSQL databases, and solving complex customer and product challenges autonomously in a remote environment.

Architect and develop high-load backend systems in Elixir, design scalable distributed solutions, and improve ticketing and event-management platforms. Lead technical discussions, translate requirements into specifications, mentor engineers, conduct code reviews, and promote testing, documentation, maintainability, and production ownership. Optimize PostgreSQL and Redis performance, integrate third-party services, understand Linux internals, and address system bottlenecks and traffic spikes.