Top Backend Jobs in Bristol

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.

Build, ship, and maintain backend features enabling AI agents to interact with GitLab. Design GraphQL/REST APIs, extend tests (RSpec), work with PostgreSQL, troubleshoot production issues, and collaborate cross-functionally to integrate AI tooling responsibly.

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.

Lead SDLC, DevOps and full‑stack capability for client engagements: design and implement CI/CD, IaC and cloud practices (AWS/Azure), deliver technical consulting, build reusable assets and mentor future engineers while supporting business development and capability growth.

As a Senior Backend Engineer, you'll oversee the Secrets Manager's architecture and development, ensuring secure handling of credentials and collaborating on backend solutions.

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.

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 Senior Back End Engineer at Kyra, you will develop and manage backend services, handle infrastructure deployments, and maintain CI/CD pipelines while collaborating with cross-functional teams on product features.

The Senior Backend Engineer will build key backend services for an observability platform, manage data pipelines, work with open-source contributors, and tackle scalable backend system design challenges.

Build backend services, APIs and workflows for BJAK's finance super app across insurance, payments, wallet, savings, investing and travel. Design reliable systems for accounts, transactions, partner integrations, reconciliation, notifications and operations. Integrate with banks, payment gateways and insurers; improve reliability, observability, security and performance. Work cross-functionally with product and mobile teams to ship customer-facing journeys and ensure systems meet regulatory and operational requirements.

The Senior Backend Developer will drive impact by collaborating with stakeholders, design and develop high-quality software, shape architecture, and lead technical direction while promoting innovation and collaboration within the team.

Build and maintain high-volume backend services and APIs using PHP (Laravel/Symfony). Optimize database queries, implement queues and event-driven patterns, write unit and feature tests, apply SOLID/OOP principles, debug across the stack, and collaborate with product and senior engineers. Participate in a paid on-call rotation to ensure global service reliability.

The Senior Back-End Software Engineer designs, develops, and maintains scalable backend systems while taking ownership of the software development lifecycle.

As a Senior Backend Engineer, you will oversee critical systems, make architecture decisions, and enhance scalability and reliability for real-time video conversations.

The Lead Backend Engineer will design scalable backend systems, mentor engineers, integrate AI, and define architecture for Midnite's back office platform.

The role involves back-end development using .NET Core and SQL, contributing to Jibble 2.0 API integrations, and collaborating with product and design teams.

The Backend Software Engineer will develop and maintain backend systems for data processing related to coffee farming, utilizing Python and PostgreSQL. Responsibilities include feature development, problem-solving, and adapting systems to regulatory changes while ensuring system resilience.

As a Senior Backend Developer at Awarri, you'll build and maintain backend systems for AI platforms, focusing on scalable architectures, data integration, and real-time communication.

Design, build, test, and maintain backend services and APIs for the casino platform. Ensure reliability, scalability, and code quality; participate in reviews, shape architecture, collaborate with product and vendors, and ship continuously in a fast-paced environment.

This role involves designing and optimizing a blockchain data platform, focusing on ETL pipeline development, data quality, and system scalability. The engineer will collaborate with cross-functional teams to enhance data access and enable product engineering efforts.

As a Software Engineer at Stripe, you will scope, design, and build APIs for money management, mentor engineers, and collaborate with cross-functional teams to enhance internal processes and features.

As a Backend Staff Engineer, you will lead technical standards, mentor junior engineers, conduct code reviews, and drive feature development in a fast-growing on-demand services environment.

Lead design and implementation of high-performance agent runtimes, backend services, and self-hosted model/agent infrastructure. Build low-latency execution systems, real-time data pipelines, telemetry loops, CI/CD for zero-downtime deployments, and ensure fleet reliability on AWS/EKS.

Lead design, development, and maintenance of scalable, secure backend systems and APIs for a multi-chain DeFi platform. Architect solutions, optimize performance, implement monitoring and testing, uphold code quality, mentor junior engineers, and document APIs and technical processes.