Backend Engineer

• Help us build and refine critical paths, enhancing the key flows that keep a system of hundreds of thousands of OCPI charging sessions, locations and receipts running smoothly.
• Influence the evolution of our highly complex Tariffs & Pricing logic, improving our discounts and price offering for our customers.
• Enable us to build quickly but robustly, using best practices in observability, data analysis and defensive programming, allowing us to safely scale our CPO integrations globally.
• Work with cross-functional stakeholders to break down complex problems, understand feasibility, and propose creative technical solutions that deliver a market-leading product.

Software Engineer, Backend, Python

Full-stack Engineer

• Shape product direction and technical strategy as an early team member.
• Build and scale the core platform and new zero-to-one initiatives.
• Translate novel LLM capabilities into understandable, performant end-user experiences.
• Release production code under a "You Build It, You Run It" ownership model — shipping, operating, and iterating end-to-end.
• Work directly with enterprise customers (financial crime and risk teams) to solve critical compliance problems.
• Build integrations, data infrastructure, and tooling to enable AI agents to automate compliance workflows.
• Evolve schemas and structure non-deterministic LLM outputs for reliable downstream use.
• Lead customer calls and take ownership of customer outcomes.
• Collaborate with the founding team to mature engineering practices.
• Tackle scaling challenges, navigate ambiguity, and help hire and onboard future teammates.

Founding Product Engineer

• Build and maintain reliable, high-quality integrations between G-P's platform and third-party HRIS systems (ADP, Workday, etc.).
• Design and develop new services leveraging a serverless, event-driven microservices architecture (AWS SAM/Lambda, EventBridge, SNS).
• Own and enhance components of our public API platform, focusing on robust REST API design, OAuth implementation, and management of inbound and outbound webhooks.
• Translate high-level product requirements and business needs into clearly defined, pragmatic workstreams, design specifications, and sprint stories.
• Collaborate closely with Product and User-Experience teams to understand requirements.
• Contribute to the evolution of the SDLC and champion engineering best practices.

Software Engineer II

• Provide whole life oversight and accountability for the successful completion of maintenance projects and services, through design, procurement, assembly, commissioning, and handover
• Ensure supply chain remain compliant with the framework management plan
• Drive a safety culture to ensure Zero LTI and RIDDOR Incidents
• Ensure a commercial focus with a high level of challenge on project scope and choosing efficient delivery strategies
• Ensure all stakeholders within MSP and United Utilities are engaged and supportive of the projects and services and their potential impacts
• Ensure consistent and reliable reporting of project/services performance into the MSP system
• Ensure key project and programme risks are identified early, and mitigated where possible

Senior Project Engineer

• Create code across our backend estate touching high volume streaming, responsive backend-for-frontend APIs, scalable domain services, transactional and analytical databases and more
• Ensure the resilience and robustness of our platform to keep our customers having a great experience
• Design technical solutions for new product offerings and evolutions of our existing architecture
• Evolve our development and operational processes so we can keep getting faster, more reliable and with even higher quality
• Help your teammates evolve their skills and practice through practical mentoring and knowledge sharing.

Software Engineering Lead

• Designing and engineering software with customer experience as the primary objective
• Contributing to architecture, design and engineering centre of excellence
• Creating great customer outcomes via engineering and innovative solutions
• Working with software engineers in the production and prototyping of innovative ideas
• Engaging with domain and enterprise architects to validate and leverage designs
• Defining, creating and providing oversight and governance of engineering and design solutions
• Working within a platform or feature team to design and engineer complex software
• Defining and developing architecture models and roadmaps of application and software components

Principal Engineer, Open Banking Payments

Software Engineer

• Lead on complex builds and support the resolution of difficult production issues.
• Set the technical work standards for the team.
• Manage two Technical Consultants, helping them grow as engineers.
• Collaborate closely with the Dynamics Field Service Architect to turn designs into resilient solutions.

Dynamics 365 Lead Developer – Customer Engagement

• Support Defence and Security domains at Boeing locations and Customer sites across the UK, including Autonomous Systems, Training and Simulation, Cyber, Space, Intelligence and Security
• Support the design, architecture, and development of simulation models, simulation visualizations, virtual environments/platforms and frameworks to enhance test performance, safety, and durability of software and hardware systems throughout the entire product lifecycle
• Support partnership with stakeholders to review and identify simulation requirements and dynamics of the systems being simulated
• Support designing, modeling, simulation, testing, and analysis to assess and optimize overall system performance and capabilities

Software Engineer – Simulation

• Collaborates with internal teams to understand requirements and develop processes, tools and utilities that will improve quality and efficiency
• Develops reusable and robust R package code and/or utilities, along with detailed training/documentation
• Promotes technical innovation to drive the development of data analysis and visualization solutions within a clinical data environment
• Partners with study teams in use and further improvement of processes and tools
• Facilitates change management activities and training for department systems and processes

Senior R Statistical Programmer

• Collaborate with teams across Lockwood to identify necessary functionality and efficiency improvements and to determine the correct solution.
• Work collaboratively within the cross-functional team to deliver maximum value in an agile environment.
• Take on new technical skillsets as the role requires.
• Manage risk through a dev-ops culture and thorough testing, maintaining high quality.
• Analyse the system for issues and resolve as priority dictates.
• Continuously improve the development and planning process.
• Understand what is valuable to the company, and how work relates to that.
• Take ownership of the system produced.
• Contribute to a strong team sense of identity and spirit.
• Foster a learning culture within the team.
• Work within best practices for secure, compliant, and reliable systems.

Senior Software Engineer

• Provide technical leadership for GTI's core SaaS platform.
• Own the technical direction, architecture and engineering standards of the platform without direct line management responsibility.
• Work closely with Product, Data, Operations, DevOps and QA teams to deliver secure, resilient and scalable solutions while mentoring engineers through technical leadership and best practices.

Principal Java Engineer

• Design, build and maintain scalable, secure and high-performing software solutions.
• Collaborate with product, delivery and engineering teams to translate business requirements into technical solutions.
• Contribute to architectural decisions and the ongoing evolution of our technology platforms.
• Develop clean, well-tested and maintainable code aligned with engineering standards and best practice.
• Conduct code reviews and support a culture of continuous improvement and technical excellence.
• Mentor and support other engineers, sharing knowledge and helping develop team capability.
• Champion modern engineering practices including automated testing, CI/CD and DevOps.
• Design and support APIs, microservices and event-driven architectures.
• Ensure solutions are resilient, secure and aligned with organisational standards and controls.

• PQShield is looking for a Lead Software Engineer to help lead a cryptographic software IP team.
• Responsible for overseeing the entire software development lifecycle, from design to testing, ensuring high-quality software solutions.
• Planning, organizing, and managing the software development, including setting timelines, allocating resources, and tracking progress.
• Work across a variety of environments, solving complex problems and developing other engineers, while maintaining a strong focus on quality and best practices.
• Support the hiring, training, and managing of a team of software engineers, fostering collaboration, and resolving conflicts.

Lead Software Engineer

• Own the delivery for new product categories
• Lead technically through execution - design, build, and ship alongside the squad, not just direct it.
• Translate ambiguous, commercially-driven problems into a shape the squad can deliver against.
• Partner with commercial and product stakeholders to keep new-product work tied to real pipeline outcomes.
• Mentor the squad's engineers and raise technical standards, without owning their performance or career progression.
• Drive the Origination & New Products squad's technical direction on deep integrations with other internal services
• Stay hands-on: design, build, and review the hardest parts of the new-product build sequence yourself.
• Take a company target ("grow origination volume through new products") and break it into a sequenced, deliverable plan without needing to be told how.
• Design systems for categories that don't exist yet at tem - Unlocking TWh’s of new pipeline - where the spec is being written as you go.
• Make judgement calls on commercial risk in deal-gating tooling, not just deliver what's asked.
• Prevent domain drift as new product categories are added, keeping shared language and clear boundaries.
• Work directly with the Engineering Manager and commercial stakeholders to keep new-product delivery tied to origination pipeline outcomes, not just shipped features.
• As Sell Side expands internationally, represent the technical view in conversations with new-market stakeholders and partners.
• Mentor engineers in the squad and raise engineering standards, while staying on the individual-contributor track.

Senior Staff Engineer – Origination & New Products

Frontend Engineer

• Own the CRO strategy and experimentation roadmap across the marketing site, landing pages, and signup/onboarding funnels
• Form hypotheses from analytics, session data, and user research; prioritize tests by expected impact and effort
• Design, build, QA, and launch A/B and multivariate tests; ensure results are statistically sound
• Partner with design, engineering, and copy to spec and ship high-quality variants quickly
• Analyze results, document learnings, and turn wins into durable improvements across the funnel
• Instrument funnel analytics and tracking so conversion impact is measurable end-to-end
• Align on-site conversion with paid and lifecycle traffic in partnership with performance and lifecycle marketing
• Raise experimentation velocity and rigor as the program scales

Front-End Development, Conversion Rate Optimization Manager

• Investigate and resolve data quality issues across multiple systems
• Develop ETL processes, data migrations and reconciliation solutions to ensure data integrity
• Contribute to database design, performance, security, backup and compliance standards
• Work within the SDLC using Git source control, JIRA and CI/CD pipelines
• Manage database access, security and availability requirements
• Use AI-assisted development tools

Database Developer

• Execute database migrations with enterprise and Private Cloud customers.
• Assume ownership of the PlanetScale relationship and migration work.
• Productise repeatable migration patterns.
• Automate recurring migration requests.
• Own broader app and service migrations in the gaps.
• Distribute what you learn.
• Keep the database offering competitive.

Database Migrations Engineer

• Investigate, diagnose, and resolve live system defects and production incidents in line with SLAs.
• Analyse logs, metrics, and traces to identify root causes of complex technical issues.
• Design, develop, and deploy stable, well-tested fixes using Java and related frameworks.
• Collaborate with 2nd Line (AMS) Operations, QA, and Feature Teams as appropriate to triage and prioritise defects.
• Implement hotfixes and patches to production environments safely, following change management protocols.
• Support post-incident reviews, contributing to preventative actions and service improvement.
• Maintain clear documentation of incident investigations, defect resolutions, and code changes.
• Monitor system health and performance using existing observability and alerting tools.
• Contribute to improving the reliability and maintainability of backend systems and services.
• Provide technical expertise and mentoring in diagnosing and resolving backend issues.

BE Java Developer

• You’ll be working on systems where reliability, performance and maintainability matter.
• The role combines hands-on development, production ownership and technical judgement.
• Lead the design and delivery of robust, scalable solutions using proven tools and patterns.
• Design, build and operate event-driven and event-processing systems using appropriate technologies such as Kafka or similar platforms.
• Help move custom or hand-rolled systems toward simpler, maintainable, industry-standard approaches where this improves the product.
• Maintain and improve existing Scala-based code while advocating for simplicity and efficiency.
• Collaborate with cross-functional teams to ensure solutions align with business goals.
• Mentor and support junior engineers, helping them navigate complexity.
• Participate in architectural decisions and requirements engineering.
• Make pragmatic use of modern development practices, including AI-assisted tools where they add value.
• Ensure systems are performant, reliable and easy to maintain.

Senior Software Engineer – Processing

• Lead the development and refinement of component designs, ensuring solutions are technically robust, manufacturable, and aligned with programme milestones
• Drive design maturity by producing and approving drawings and specifications that enable early supplier engagement and long-lead material procurement
• Work closely with manufacturing partners and supply chain to embed design-for-manufacture principles and resolve emerging challenges
• Provide technical leadership to engineers, acting as a mentor and escalation point while supporting team capability growth
• Manage multiple work packages within an integrated programme, balancing technical delivery with schedule and cost considerations
• Collaborate across disciplines to support plant integration, resolve design risks, and maintain alignment with regulatory and quality standards
• Contribute to broader engineering strategy, supporting planning, prioritisation, and continuous improvement across the team

Software Engineer jobs in United Kingdom

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Software Engineer, Backend, Python

Founding Product Engineer

Software Engineer II

Senior Project Engineer

Software Engineering Lead

Principal Engineer, Open Banking Payments

Dynamics 365 Lead Developer – Customer Engagement

Software Engineer – Simulation

Senior R Statistical Programmer

Senior Software Engineer

Principal Java Engineer

Senior Software Engineer

Lead Software Engineer

Senior Staff Engineer – Origination & New Products

Front-End Development, Conversion Rate Optimization Manager

Database Developer

Database Migrations Engineer

BE Java Developer

Senior Software Engineer – Processing

Senior Engineer – Reactor Pressure Vessel, Internals