Backend Engineer

• Develop applications supporting the end-to-end production process from raw materials to finished products
• Create systems for stock management and quality sampling
• Maintain and improve existing applications
• Address technical debt and improve the existing codebase
• Use AI coding tools such as Claude to accelerate development
• Collaborate with operations and analytics teams to understand and deliver requirements
• Deliver functional production-process applications, stock management systems, and quality sampling systems

.NET Developer – Outside IR35

• Build high-quality features aligned with Napier’s technical vision and architecture
• Develop, debug, and unit test product features according to internal procedures and standards
• Diagnose and solve functional and performance/scalability issues when required
• Improve technical practices toward a continuously releasable end state, especially GitHub, CI/CD, and development processes
• Continually improve technical debt and evolve the system to meet changing needs and market opportunities
• Build and maintain the financial crime detection engine used by financial institutions globally
• Collaborate as a hands-on member of the core Engineering teams

Back End Engineer, Go

• Develop software engineering products and services in the Product & Engineering team
• Contribute to Paddle’s payment infrastructure as a Merchant of Record for digital product companies
• Work in a digital-first environment remotely, from company hubs, or through a combination of both
• Collaborate within a transparent, collaborative, and respectful global team
• Engage with new challenges, learning opportunities, and internal and external training

Software Engineer – Go

• Build the foundations of the global EV transition through backend engineering
• Develop critical services serving end users
• Enable rapid but robust development using observability, data analysis, and defensive programming
• Safely scale products and charge point operator integrations globally
• Work with cross-functional stakeholders to break down complex problems
• Assess feasibility and propose creative technical solutions
• Help deliver a market-leading, robust, and scalable charging platform
• Work alongside the product manager and engineers in the squad

Backend Developer

• Design scalable, secure and commercially viable ArcGIS Enterprise solutions
• Mentor and support consultants and foster learning and problem-solving
• Lead architecture across the full lifecycle, from design through optimisation
• Improve how systems are built, upgraded, migrated and operated
• Identify and shape new service offerings to help customers keep ArcGIS Enterprise healthy
• Develop technical standards, best practices and reference architectures
• Drive observability and proactive service health across customer environments
• Deliver Enterprise Services as part of the Operational Services team
• Support customers across enhanced security environments, public cloud platforms and Esri UK Managed Services
• Work with customers across Defence, Public Safety, Government, Commercial, Transport, AEC and Critical National Infrastructure sectors

ArcGIS Enterprise Technical Architect

• Own end-to-end data extraction workflows across complex websites, ensuring complete coverage, accuracy, and reliable delivery of structured datasets
• Use available tools and custom workflows to accelerate data collection, validation, and task execution while meeting defined requirements
• Ensure reliable extraction from dynamic and interactive web sources, adapting approaches for JavaScript-rendered content and changing site behavior
• Enforce data quality standards through validation checks, cross-source consistency controls, formatting specifications, and systematic verification before delivery
• Scale scraping operations for large datasets using efficient batching or parallelization
• Monitor failures and maintain stability against minor site structure changes
• Apply tools such as Apify, OpenRouter, and other technologies alongside technical expertise and custom approaches

Senior Python Data Scraping Engineer – Freelance

• Build, deploy and maintain backend solutions for new website builds, existing website updates, API integrations and server-side development
• Develop primarily in Python, Django and Wagtail, contributing to PHP and WordPress websites where needed
• Deploy to staging and production environments, following release processes and conducting post-deployment checks
• Write clear, efficient code using secure development practices
• Perform manual and automated testing and participate in peer code reviews
• Investigate bugs, optimise database queries and maintain reliable, responsive and secure websites and applications
• Collaborate with Backend Engineers, Frontend Engineers, Designers and Client Success Managers
• Contribute to scoping, technical planning, solution reviews and documentation
• Join client conversations when technical input is needed
• Estimate tasks, communicate progress, flag issues and take ownership of delivery and technical quality
• Troubleshoot live website and application issues
• Participate in the out-of-hours on-call rota for urgent incidents

• Design and develop high-performing backend services and APIs using Go
• Build and maintain RESTful APIs and gRPC services with clear contracts, versioning discipline and robust error handling
• Integrate AWS services such as DynamoDB, Lambda, S3 and Cognito
• Contribute to architectural discussions and technical decision-making across the backend stack
• Build, containerise and deploy services using Docker and Kubernetes with CI/CD pipelines
• Write and maintain automated unit, integration and end-to-end tests
• Monitor and optimise service performance, resolving bottlenecks in latency, throughput, concurrency and resource usage
• Participate in code reviews and support less experienced engineers in developing their Go skills
• Collaborate with product managers, designers, and web and mobile engineers to deliver production-ready features
• Evaluate Go ecosystem tools, libraries and AWS service updates to improve the development stack

Senior Software Engineer, Go

• Lead technical execution and full lifecycle ownership for partner integrations
• Collaborate with external partners, lead developers, and compliance teams
• Design, build, and maintain high-performance REST APIs handling XML, JSON, and SOAP
• Oversee code releases and production deployments
• Manage partner integration lifecycles from initial discovery through live, zero-downtime deployment
• Provide architectural guidance and conduct code reviews focused on scalability, security, and maintainability
• Refine development processes and champion Test-Driven Development across the SDLC
• Use Copilot and Claude to accelerate integration testing and debugging
• Translate complex technical issues into clear insights for executive leadership and cross-functional stakeholders
• Mentor engineering team members and guide deployment strategies
• Ensure solutions align with FCA security standards

Senior .NET Engineer – Partner Integrations

• Develop and maintain the Spacetime platform using C++, Golang, Java, gRPC, and Protocol Buffers
• Build scalable, distributed systems on Kubernetes
• Design and develop 5G NTN and Direct-to-Cell orchestration features
• Develop RIC/SMO capabilities, network model extensions, and federation APIs for TN-NTN coordination
• Translate 3GPP and O-RAN concepts and interface specifications into clean, well-tested software
• Collaborate with 3GPP/NTN solution architects
• Integrate with other Aalyria platform components for end-to-end functionality
• Maintain software design and implementation documentation
• Stay current with 5G NTN, O-RAN, and satellite communications technologies
• Write clean, maintainable, and efficient code
• Troubleshoot and debug software issues

Backend Engineer jobs in United Kingdom

.NET Developer – Outside IR35

Back End Engineer, Go

Software Engineer – Go

Backend Developer

ArcGIS Enterprise Technical Architect

Senior Python Data Scraping Engineer – Freelance