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API integration experience and an API-first approach
API integration experience and an API-first approach
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Strong understanding of software architecture, API design, and scalable distributed systems
Strong understanding of software architecture, API design, and scalable distributed systems
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Market National Security & Defense - At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. Your impact - Are you ready to design and deliver innovative software solutions that solve real-world challenges? At Jacobs, were growing our UK Digital & Data team and seeking experienced Java Software Engineers to join us. This is your opportunity to work on impactful projects across diverse sectors, including water, transportation, defence, and government, while collaborating with multidisciplinary teams to create scalable, high-performance back-end services.
Market National Security & Defense - At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. Your impact - Are you ready to design and deliver innovative software solutions that solve real-world challenges? At Jacobs, were growing our UK Digital & Data team and seeking experienced Java Software Engineers to join us. This is your opportunity to work on impactful projects across diverse sectors, including water, transportation, defence, and government, while collaborating with multidisciplinary teams to create scalable, high-performance back-end services.
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A strong understanding of API design and the creation of clear, stable abstractions for hardware / firmware interaction.
A strong understanding of API design and the creation of clear, stable abstractions for hardware / firmware interaction.
FEATURED
Build technology that helps businesses waste less energy and reduce carbon emissions. At Best. Energy, we combine technology, data, and energy expertise to help organisations reduce waste before energy is even used. Using our own IoT systems, intelligent analytics, and interactive software, we help customers lower costs, cut carbon, and operate more sustainably. Were now looking for a talented React Front End Developer to help shape the next generation of our customer platform. Youll work on the front end of our online energy management system, building interactive dashboards, visualisations, predictive tools, and customer-facing features that turn complex energy data into clear, useful insights. This is a role for someone who enjoys improving existing products just as much as creating entirely new experiences from scratch. What Youll Be Doing
Build technology that helps businesses waste less energy and reduce carbon emissions. At Best. Energy, we combine technology, data, and energy expertise to help organisations reduce waste before energy is even used. Using our own IoT systems, intelligent analytics, and interactive software, we help customers lower costs, cut carbon, and operate more sustainably. Were now looking for a talented React Front End Developer to help shape the next generation of our customer platform. Youll work on the front end of our online energy management system, building interactive dashboards, visualisations, predictive tools, and customer-facing features that turn complex energy data into clear, useful insights. This is a role for someone who enjoys improving existing products just as much as creating entirely new experiences from scratch. What Youll Be Doing
24 exact matches jobs are outside your preferred location
Strong understanding of software architecture, API design, and scalable distributed systems
Strong understanding of software architecture, API design, and scalable distributed systems
Strong understanding of software architecture, API design, and scalable distributed systems
Strong understanding of software architecture, API design, and scalable distributed systems
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Technical Architect
Technical Architect
Inspire People
Cardiff (CF1)
£67867 - £85413 per annum + 29% pension contribution, CS benefits
Join a team at the heart of the global economy! The Department for Business and Trade 'DBT' are seeking experienced Technical Architects to support major digital and technology programmes. This is an opportunity to design secure, modern and user-centred services, provide technical leadership and help deliver solutions that support UK trade, business growth and the wider economy. Salary range £67,867 to £85,413 plus excellent Civil Service benefits and 29% employer pension contribution. Flexible, hybrid working from London, Cardiff, Darlington, Edinburgh, Belfast, Birmingham or Salford. About role - DBT are seeking 4 Technical Architects to join their growing, collaborative team. These roles offer the opportunity to shape the technical direction of services, influencing design decisions from early discovery through to live operations.
Join a team at the heart of the global economy! The Department for Business and Trade 'DBT' are seeking experienced Technical Architects to support major digital and technology programmes. This is an opportunity to design secure, modern and user-centred services, provide technical leadership and help deliver solutions that support UK trade, business growth and the wider economy. Salary range £67,867 to £85,413 plus excellent Civil Service benefits and 29% employer pension contribution. Flexible, hybrid working from London, Cardiff, Darlington, Edinburgh, Belfast, Birmingham or Salford. About role - DBT are seeking 4 Technical Architects to join their growing, collaborative team. These roles offer the opportunity to shape the technical direction of services, influencing design decisions from early discovery through to live operations.
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Senior Dynamics Developer
Senior Dynamics Developer
Intellectual Property Office
Rhiwderyn, Newport (NP10), NP10 8QQ
From £47,766 to £58,575 per annum
About the job - The IPO is a modern organisation which depends on its IT services to operate and innovate effectively. To provide up to date services to our customers systems need to be developed, improved, and maintained. This position plays a pivotal role in ensuring the core applications are reviewed and continually improved. You will need the appetite to learn new technologies and methodologies for delivering high quality IT services. In this role you will work within a multi-disciplined squad using several technologies to build enterprise grade services. You will be expected to be proactive and take accountability for the squad assigned deliveries. The role will also require the investigation, diagnosis and fix of any system issues. A Senior Developer is expected to contribute to the technical strategy for the department.
About the job - The IPO is a modern organisation which depends on its IT services to operate and innovate effectively. To provide up to date services to our customers systems need to be developed, improved, and maintained. This position plays a pivotal role in ensuring the core applications are reviewed and continually improved. You will need the appetite to learn new technologies and methodologies for delivering high quality IT services. In this role you will work within a multi-disciplined squad using several technologies to build enterprise grade services. You will be expected to be proactive and take accountability for the squad assigned deliveries. The role will also require the investigation, diagnosis and fix of any system issues. A Senior Developer is expected to contribute to the technical strategy for the department.
Vulnerability Researcher - Cheltenham, UK * Base salary up to £85,000 depending on experience * Hybrid working, average 3 days onsite per week * Active SC clearance required minimum - About the client - Our client is a highly respected UK organisation delivering advanced cyber and security research for critical national programmes. They invest heavily in innovation, technical excellence, and long-term capability building. Due to continued growth in specialist research projects, they are now looking to appoint an experienced Vulnerability Researcher. The benefits * Compressed working week option (4 or 4.5 days) * Annual bonus scheme * Enhanced family friendly and sick pay policies * Access to flexible benefits including health and wellbeing options * Additional cash bonus opportunities - The Vulnerability Researcher role
Vulnerability Researcher - Cheltenham, UK * Base salary up to £85,000 depending on experience * Hybrid working, average 3 days onsite per week * Active SC clearance required minimum - About the client - Our client is a highly respected UK organisation delivering advanced cyber and security research for critical national programmes. They invest heavily in innovation, technical excellence, and long-term capability building. Due to continued growth in specialist research projects, they are now looking to appoint an experienced Vulnerability Researcher. The benefits * Compressed working week option (4 or 4.5 days) * Annual bonus scheme * Enhanced family friendly and sick pay policies * Access to flexible benefits including health and wellbeing options * Additional cash bonus opportunities - The Vulnerability Researcher role
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Full Stack Software Lead - National Security - Join our growing team and help strengthen the UK's safety and resilience. We're a leading technology and engineering company supporting customers across National Security, Defence and Intelligence, delivering systems that operate in the most demanding and sensitive environments. As a Full Stack Software Lead, you'll deliver mission critical solutions for National Security customers - building products that protect people, platforms, missions and information against evolving threats. You'll help customers use data to improve mission outcomes, lead teams hands-on, and mentor others while working at the forefront of innovation. * You'll lead a team delivering valuable increments across back-end technologies. * Partner with engineering and customer technical leaders to shape the roadmap.
Full Stack Software Lead - National Security - Join our growing team and help strengthen the UK's safety and resilience. We're a leading technology and engineering company supporting customers across National Security, Defence and Intelligence, delivering systems that operate in the most demanding and sensitive environments. As a Full Stack Software Lead, you'll deliver mission critical solutions for National Security customers - building products that protect people, platforms, missions and information against evolving threats. You'll help customers use data to improve mission outcomes, lead teams hands-on, and mentor others while working at the forefront of innovation. * You'll lead a team delivering valuable increments across back-end technologies. * Partner with engineering and customer technical leaders to shape the roadmap.
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We're seeking an experienced Android Developer to join a growing technology team delivering innovative solutions within the Defence sector. Must be either SC Cleared or willing to undergo (sole UK Nationality) This is an opportunity to work on hi tech projects that make a real-world impact, developing secure, high performance mobile applications in a collaborative Agile environment. What You'll Be Doing * Designing, developing and maintaining Android applications using modern development practices. * Collaborating with cross-functional teams including software engineers, testers and product stakeholders. * Contributing to application architecture, performance optimisation and code quality initiatives. * Supporting the full software development lifecycle from concept through to deployment. What We're Looking For
We're seeking an experienced Android Developer to join a growing technology team delivering innovative solutions within the Defence sector. Must be either SC Cleared or willing to undergo (sole UK Nationality) This is an opportunity to work on hi tech projects that make a real-world impact, developing secure, high performance mobile applications in a collaborative Agile environment. What You'll Be Doing * Designing, developing and maintaining Android applications using modern development practices. * Collaborating with cross-functional teams including software engineers, testers and product stakeholders. * Contributing to application architecture, performance optimisation and code quality initiatives. * Supporting the full software development lifecycle from concept through to deployment. What We're Looking For
API integration (e.g. MuleSoft)
API integration (e.g. MuleSoft)
Lead Engineer - Network Connectivity
Lead Engineer - Network Connectivity
BRITISH UNITED PROVIDENT ASSOCIATION LIMITED(THE)
Monmouth, Gwent
Competitive
Angel Court or Willow House - Permanent - Salary: Up to £112k DOE + 10% bonus + fantastic benefits - Hybrid Work Available - 37.5 hours per week - Due to the nature of the role there will be an element of working outside usual business hours on a rota basis - We make health happen - At Bupa, were passionate about technology. With colleagues, customers, patients and residents in mind youll have the opportunity to work on innovative projects and make a real impact on their lives. Right from the start youll become part of our digital strategy, joining us on our journey and developing yourself along the way. In this role as A Lead Network Connectivity Engineer you are responsible for the strategic engineering, platform ownership, lifecycle management and continuous evolution of Bupas enterprise connectivity platforms, including WAN, LAN, Wi-Fi, SD-WAN, SASE and cloud connectivity services.
Angel Court or Willow House - Permanent - Salary: Up to £112k DOE + 10% bonus + fantastic benefits - Hybrid Work Available - 37.5 hours per week - Due to the nature of the role there will be an element of working outside usual business hours on a rota basis - We make health happen - At Bupa, were passionate about technology. With colleagues, customers, patients and residents in mind youll have the opportunity to work on innovative projects and make a real impact on their lives. Right from the start youll become part of our digital strategy, joining us on our journey and developing yourself along the way. In this role as A Lead Network Connectivity Engineer you are responsible for the strategic engineering, platform ownership, lifecycle management and continuous evolution of Bupas enterprise connectivity platforms, including WAN, LAN, Wi-Fi, SD-WAN, SASE and cloud connectivity services.
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Principle Java Engineer
Principle Java Engineer
Profile 29
UK
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Principle Java Engineer
Principle Java Engineer
Profile 29
UK
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
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The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering principles, cloud-native development, and API design.
The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering principles, cloud-native development, and API design.
The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering principles, cloud-native development, and API design.
The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering principles, cloud-native development, and API design.
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Develop ingestion patterns from API sources (batch and streaming) * Develop API connectors and ingestion pipelines using Python
Develop ingestion patterns from API sources (batch and streaming) * Develop API connectors and ingestion pipelines using Python
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Software Engineer & Cloud Operations Specialist - Node, AWS.
Software Engineer & Cloud Operations Specialist - Node, AWS.
S Merrick LTD
Europe
Unspecified Daily Rate Negotiable - Outside IR35
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
Software Engineer & Cloud Operations Specialist - Node, AWS
Software Engineer & Cloud Operations Specialist - Node, AWS
S Merrick LTD
UK
Unspecified Daily Rate Negotiable - Outside IR35
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
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Develop and maintain product documentation for product requirements, release notes, API documentation and internal materials.
Develop and maintain product documentation for product requirements, release notes, API documentation and internal materials.
FEATURED
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Senior Developer - Contract Type: Full-Time, Permanent - Salary: Up to £65,000 per annum - Location: Home Based - Overview - We are seeking a Senior Developer to join a software engineering team responsible for building and operating a modern Azure-based platform alongside on-premise solutions in the Rail sector. This is a hands-on technical role focused on the design, development, support, and continuous improvement of software solutions, with a strong emphasis on Kubernetes, C#/.NET, and contributing to the adoption of AI-driven capabilities across products and services. You will play a key role in the ongoing development of the technical platform, ensuring solutions remain scalable, secure, and fit for purpose, while supporting the use of emerging technologies, including AI and intelligent automation, where these can add real value. The Role - Software Development
Senior Developer - Contract Type: Full-Time, Permanent - Salary: Up to £65,000 per annum - Location: Home Based - Overview - We are seeking a Senior Developer to join a software engineering team responsible for building and operating a modern Azure-based platform alongside on-premise solutions in the Rail sector. This is a hands-on technical role focused on the design, development, support, and continuous improvement of software solutions, with a strong emphasis on Kubernetes, C#/.NET, and contributing to the adoption of AI-driven capabilities across products and services. You will play a key role in the ongoing development of the technical platform, ensuring solutions remain scalable, secure, and fit for purpose, while supporting the use of emerging technologies, including AI and intelligent automation, where these can add real value. The Role - Software Development
NEWPREMIUM
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Senior Golang Engineer - Fully Remote | Outside IR35 | Immediate Interviews - Most Go contracts are either maintaining legacy systems, sitting in endless meetings, or spending months waiting for decisions. This isn't one of them. We're looking for a Senior Golang Engineer to join a small, highly capable engineering team building and modernising business-critical platforms used by thousands of customers. You'll be working on genuinely interesting engineering challenges across cloud-native applications, distributed systems, APIs and platform modernisation projects, with the freedom to get stuck into the technical work rather than fighting process. If you enjoy building things, improving systems and solving problems, you'll probably enjoy this role. What you'll be working on * Building scalable applications and services using Go
Senior Golang Engineer - Fully Remote | Outside IR35 | Immediate Interviews - Most Go contracts are either maintaining legacy systems, sitting in endless meetings, or spending months waiting for decisions. This isn't one of them. We're looking for a Senior Golang Engineer to join a small, highly capable engineering team building and modernising business-critical platforms used by thousands of customers. You'll be working on genuinely interesting engineering challenges across cloud-native applications, distributed systems, APIs and platform modernisation projects, with the freedom to get stuck into the technical work rather than fighting process. If you enjoy building things, improving systems and solving problems, you'll probably enjoy this role. What you'll be working on * Building scalable applications and services using Go
FEATURED
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Software Engineer - Remote UK
Software Engineer - Remote UK
Zorba Consulting
UK
From £70,000 to £90,000 per annum 25 days hols, Share Options, Health
Join a fast-growing Banking SaaS provider building next generation core banking technology. We are looking for Software Engineers with experience in Node.js/TypeScript/JavaScript, .NET/C#, or Java to work remotely in the UK, able to travel to London quarterly experience within Fintech or Banking essential. You will work directly on customer problems, understand the business context and own solutions end-to-end. From concept and design through to development, release, monitoring and operational support. You will join a team building a modern core banking platform from scratch. This requires intellectual curiosity, discipline, and deep architectural thinking to build technology capable of evolving alongside regulatory and technological change. Location:Remote-first but UK-based for essential company events.
Join a fast-growing Banking SaaS provider building next generation core banking technology. We are looking for Software Engineers with experience in Node.js/TypeScript/JavaScript, .NET/C#, or Java to work remotely in the UK, able to travel to London quarterly experience within Fintech or Banking essential. You will work directly on customer problems, understand the business context and own solutions end-to-end. From concept and design through to development, release, monitoring and operational support. You will join a team building a modern core banking platform from scratch. This requires intellectual curiosity, discipline, and deep architectural thinking to build technology capable of evolving alongside regulatory and technological change. Location:Remote-first but UK-based for essential company events.
FEATURED