476 to 500 of 738 Permanent Senior Software Engineer Jobs

an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together. Are you a Software Development Engineer looking to join an organisation where what you do genuinely makes an impact? Where you are empowered, heard and able to think creatively? Then look no … further because we are what you have been looking for! We are looking for a Senior Software Engineer with solid experience with C to come and join our talented and innovative team. This role involves implementing new features as well as solving Engineering problems for one of our established systems. The platform is used within secondary care … faster, better, and more accessible to all, and therefore you will play a key part in supporting us to deliver the best products within the healthtech industry. As an engineer at Optum UK you'll play a pivotal role in building a world class system that is transforming the health and lives of those around us. Primary Responsibilities: You More ❯

start up as they build an exciting platform from the ground up and they are going through an exciting period of growth. We're supporting them in hiring a Senior Software Engineer to help shape the technical vision and build scalable, AI-powered solutions from the ground up. This is a hands-on role where you'll More ❯

we raised a $20 million Series A to fuel our mission of redefining data security for the age of SaaS and AI. THE ROLE We’re seeking a Senior Software Engineer to join our team. You’ll play a key role in designing, building, and scaling our core systems, including: Our sensitive data detection and classification engine More ❯

we raised a $20 million Series A to fuel our mission of redefining data security for the age of SaaS and AI. THE ROLE We’re seeking a Senior Software Engineer to join our team. You’ll play a key role in designing, building, and scaling our core systems, including: Our sensitive data detection and classification engine More ❯

growing UK-based brand on a mission to close the gender gap in health outcomes, starting with smarter, tech-enabled weight-loss solutions for women. We're hiring a Senior Software Engineer to join a nimble, high-ownership team where experimentation, data, and continuous learning drive everything we do. You'll contribute to the development of seamless … new feature rollouts with correct analytics implementations. Act as a technical advocate for marketing to ensure full measurability and tracking fidelity. WHAT WE'RE LOOKING FOR: 5+ years in software engineering roles Strong experience in React, GraphQL, and TypeScript Familiarity with Vercel, Next.js, and modern CI/CD workflows Deep understanding of building customer-facing journeys (onboarding, checkout) Ability More ❯

Job Title: Senior Java Software EngineerSalary: £60,000 - £80,000 + packageLocation: Cardiff (onsite circa 2 days every other week)Clearance: Must be SC eligibleCPS Group are looking for a Senior Java Software Engineer to join a highly skilled engineering team delivering enterprise-scale solutions in an agile, collaborative environment based in Cardiff. You'll … be working across the full software development lifecycle, applying a DevOps mindset and contributing to the design and delivery of high-quality, secure, and scalable applications.This is a hands-on role where you'll apply strong technical expertise in Java and Spring, and ideally bring experience with containerisation and cloud environments.Key ResponsibilitiesDesign, build, and maintain high-quality Java applications.Contribute … to the development of microservices and modern architectures.Work with Spring framework to deliver scalable solutions.Apply best practices in software engineering including TDD, CI/CD, and automation.Collaborate within an agile team to drive continuous improvement.Ensure solutions meet security and performance requirements.Key Skills RequiredStrong commercial experience with Java.Hands-on expertise with Spring.Knowledge of software design patterns and development best More ❯

to be as renowned for the quality of its engineering as it is for the quality of its content. We aspire to be the best so that we can engineer outstanding digital products, at scale. Working here in an engineering role means being part of a world-class team and a chance to do the most meaningful work of … for audiences to find personalised and contextually relevant content. Our goal is to create the first personalisation platform rooted in public service values. We're looking for an experienced software engineering leader in Machine Learning to join us as a Senior Principal Software Engineer. You will be responsible for shaping, developing and delivering machine learning (ML) and … and deliver measurable, sustainable business value. Identify and champion innovation within teams. Active participant in Industry ML forums and communities. Are you the right candidate? Significant experience as a senior individual contributor - Senior Principal Software Engineer/Staff Engineer. Excellent communication skills and experience with managing multi-disciplinary stakeholders. Extensive experience setting technical direction across multiple More ❯

Senior Backend Engineer Python/Django | Climate Tech Scale-Up | Central London c.£85-95k Ready to make real impact with your code? This climate-tech scale-up is going through the gears, backed by world-class investors, and heading towards a big future. Theyve built a platform already trusted by global enterprise brands and now the … engineering team is growing fast to take things to the next level. Youll join as a Senior Backend Engineer , taking ownership of complex Python/Django services that power enterprise decarbonisation. Expect to design elegant APIs, tackle data-heavy challenges, and collaborate closely with sustainability experts and product teams. What makes this special? High-performance engineering team smart More ❯

Senior Golang Software Engineer - to £60k (100% UK Remote) RoleResponsibilities PLEASE NOTE: for this role you must be expert in all of: Golang, React, node.js and Postgresql, any applications sent without a minimum of 3 years current to an expert level will not be contacted. AsaSoftwareEngineer,youllworkacrossthefulltechnologystacktoimproveourlow-codeAIplatform.Youwillcollaboratecloselywithourengineering,product,andprofessionalservicesfunctionstodelivernewfeaturesandperformanceimprovements.YourworkwillrangefromenhancingourStudioapplicationtooptimisingourcorereasoningengineandevolvingourcloudinfrastructure.Youllbeinvolvedineverystageofthesoftwaredevelopmentlifecycle,fromrequirementgatheringandarchitecturetoimplementation,deployment,andmaintenance. Youlltakeownershipofkeytechnicalareas,activelycontributetoteamdecisions,andsupportongoingtransitionssuchasourmovefromSymbolicAItoahybridNeuro-SymbolicAImodel.Youwillbepartofafast More ❯

Senior Backend Engineer Python/Django | Climate Tech Scale-Up | Central London c.£85-95k Ready to make real impact with your code? This climate-tech scale-up is going through the gears, backed by world-class investors, and heading towards a big future. Apply (by clicking the relevant button) after checking through all the related job … Theyve built a platform already trusted by global enterprise brands and now the engineering team is growing fast to take things to the next level. Youll join as a Senior Backend Engineer , taking ownership of complex Python/Django services that power enterprise decarbonisation. Expect to design elegant APIs, tackle data-heavy challenges, and collaborate closely with sustainability More ❯

third parties to utilize our inventory. We also provide tools for our customer service team to deliver world-class service to travelers and operators globally. We're seeking a Senior Software Engineer to join our fast-growing team. This role is open to candidates within a 2-3 hour commute of our offices in Oxford or London. More ❯

Senior Golang Software Engineer - to £60k (100% UK Remote) RoleResponsibilities PLEASE NOTE: for this role you must be expert in all of: Golang, React, node.js and Postgresql, any applications sent without a minimum of 3 years current to an expert level will not be contacted click apply for full job details More ❯

to be there too if you want to work with us. We are currently looking for the right person to join our Embedded Data Processing & Algorithms Department as a: Senior Software Engineer (m/f/x) Located in Bissen/Luxembourg More ❯

Senior HPC Software Engineer Closing Date: 2nd October 2025 Location: RG7 4PR, located between Reading and Basingstoke, with free onsite parking . Due to the classified nature of the work involved, there are limited opportunities to work from home in this role click apply for full job details More ❯

Job Title: Embedded Software Engineer Location: Warrington, Onsite Salary: Up to £65,000 (Depending on Experience) We are looking for a highly skilled Embedded Software Engineer to join an innovative engineering team. This role offers the chance to work on cutting-edge embedded systems, contribute to the design of next-generation products, and play a key … part in shaping the companys technical roadmap. You will be involved in the full software development lifecycle, from concept and design through to deployment, validation, and continuous improvement. Key Responsibilities Design, implement, and optimise embedded software for real-time systems and safety-critical applications. Develop firmware for ARM Cortex, PIC, or STM32 microcontrollers using C and C++. Integrate … and test communication protocols including SPI, I2C, CAN, UART, USB, TCP/IP, and Modbus. Contribute to board bring-up, debugging hardware/software interfaces, and reading schematics to support hardware integration. Work with RTOS (e.g., FreeRTOS, Zephyr) and bare-metal systems to deliver reliable and efficient solutions. Ensure compliance with industry standards (e.g., MISRA C, ISO 26262, IEC More ❯

antenna and GNSS systems for critical applications across aerospace, communications, and autonomous systems. With rapid growth and expanding R&D facilities, the team is now looking for two Embedded Software Engineers to drive low-level software development for ARM-based microcontrollers within GNSS and PNT systems. For these Embedded Software Engineer roles, we are looking for … individuals with: Strong commercial experience in embedded programming (C/C++) Excellent low-level software development skills Hands-on experience with ARM microcontrollers, ideally STM32 architecture Proficiency in working with real-time or bare-metal environments Strong bonuses if you have experience in GNSS/GPS systems, signal processing, or timing-critical embedded software What next? If you … re an Embedded Software Engineer passionate about low-level development and eager to contribute to precision positioning systems with real-world impact, we'd love to hear from you. Please apply today to learn more! For further details on this opportunity or similar roles in Embedded Systems, Firmware, ARM Microcontrollers, or Real-Time Software, please get in More ❯

antenna and GNSS systems for critical applications across aerospace, communications, and autonomous systems. With rapid growth and expanding R&D facilities, the team is now looking for two Embedded Software Engineers to drive low-level software development for ARM-based microcontrollers within GNSS and PNT systems. For these Embedded Software Engineer roles, we are looking for … individuals with: Strong commercial experience in embedded programming (C/C++) Excellent low-level software development skills Hands-on experience with ARM microcontrollers, ideally STM32 architecture Proficiency in working with real-time or bare-metal environments Strong bonuses if you have experience in GNSS/GPS systems, signal processing, or timing-critical embedded software What next? If you … re an Embedded Software Engineer passionate about low-level development and eager to contribute to precision positioning systems with real-world impact, we'd love to hear from you. Please apply today to learn more! For further details on this opportunity or similar roles in Embedded Systems, Firmware, ARM Microcontrollers, or Real-Time Software, please get in More ❯

SENIOR JAVA DEVELOPER Salary: £70-80k/year In this role, you will be responsible for the delivery of exciting projects and products across our Civil Aviation, Defence and Public Sector industry verticals . Required Skills You will be a full stack Software Engineer with experience of enterprise grade software development and an agile development … environment. Experience and Expertise: Years of Experience: 5 years in software engineering. Programming Languages : Robust experience in JAVA. Proficiency in C# is also valuable. Familiar with frameworks like Spring or .NET. Services and REST APIs : Solid background in developing services and RESTful APIs, demonstrating an understanding of web services architecture and implementation. Frontend Framework : Competent in Angular and able … or AWS, is highly desirable. Continuous Integration/Continuous Deployment (CI/CD) : Experience with integration and deployment tools, understanding the principles of CI/CD pipelines for streamlined software delivery. Machine Learning/AI : Basic understanding of AI and machine learning concepts. Database : Understanding NoSQL databases. Numerate Degree Qualification – You should possess a computer science degree or other More ❯

SENIOR JAVA DEVELOPER Salary: £70-80k/year In this role, you will be responsible for the delivery of exciting projects and products across our Civil Aviation, Defence and Public Sector industry verticals . Required Skills You will be a full stack Software Engineer with experience of enterprise grade software development and an agile development … environment. Experience and Expertise: Years of Experience: 5 years in software engineering. Programming Languages : Robust experience in JAVA. Proficiency in C# is also valuable. Familiar with frameworks like Spring or .NET. Services and REST APIs : Solid background in developing services and RESTful APIs, demonstrating an understanding of web services architecture and implementation. Frontend Framework : Competent in Angular and able … or AWS, is highly desirable. Continuous Integration/Continuous Deployment (CI/CD) : Experience with integration and deployment tools, understanding the principles of CI/CD pipelines for streamlined software delivery. Machine Learning/AI : Basic understanding of AI and machine learning concepts. Database : Understanding NoSQL databases. Numerate Degree Qualification – You should possess a computer science degree or other More ❯

Job Purpose As an experienced Software Engineer, you will work within/lead a team of skilled design engineers, to supply high quality products and systems to the Defence Industry. The successful candidate will be experienced in translating system requirements to innovative software design solutions, leading to successful customer acceptance within project timescales and budget. The successful … candidate will have experience in a software team lead role, defining, supervising and mentoring the work of other engineers. Reporting to: Principal Engineer What you’ll do Responsible to the project technical design authority for the quality of work produced by the team. Responsible to the Project Manager (PM) for estimating, monitoring and meeting project timescales. Defining architectural … and detailed software designs as part of the wider system definition. Working with the multi-disciplinary engineering team to define interfaces to firmware and electronics to ensure that overall system requirements are met. Presentation of designs at all stages within the project teams and to the customer. Monitoring software compliance with project and company, procedures and standards. Day More ❯

Job Purpose As an experienced Software Engineer, you will work within/lead a team of skilled design engineers, to supply high quality products and systems to the Defence Industry. The successful candidate will be experienced in translating system requirements to innovative software design solutions, leading to successful customer acceptance within project timescales and budget. The successful … candidate will have experience in a software team lead role, defining, supervising and mentoring the work of other engineers. Reporting to: Principal Engineer What you’ll do Responsible to the project technical design authority for the quality of work produced by the team. Responsible to the Project Manager (PM) for estimating, monitoring and meeting project timescales. Defining architectural … and detailed software designs as part of the wider system definition. Working with the multi-disciplinary engineering team to define interfaces to firmware and electronics to ensure that overall system requirements are met. Presentation of designs at all stages within the project teams and to the customer. Monitoring software compliance with project and company, procedures and standards. Day More ❯

Senior Embedded C++ Software Engineer £62ph (Inside IR35) Southampton (Hybrid) Initial 6 month contract **Please note we can only consider sole UK Nationals for this role** Our Southampton facility is a leading UK centre of excellence for electro-optics, photonics, and laser-based technologies. The site focuses on the design, development, and manufacture of advanced systems used … role in supplying critical technologies to both the UK armed forces and international partners, contributing to next-generation capabilities in multiple domains. We are on the hunt for talented Software Engineers to support our Integrated Sensors & Protection line of business. Direct industry experience is not required, we are happy to explore all backgrounds. We want to develop a new … generation of features and capabilities using innovative software solutions and we need you to create them. Essential Bare metal embedded C++ software development Embedded interfaces e.g. CAN bus, I2C, SPI, GPIO Familiarity with the tools and approaches to embedded development Work in our Southampton office 1-4 days a week. Employees are welcome to work onsite 5 days More ❯

Overview Our client is seeking a skilled Senior Software Engineer to join their growing software team. This is an exciting opportunity to work with modern technology platforms and contribute to building solutions that directly serve customers and communities. You'll collaborate with a dedicated development group and have a meaningful impact on creating reliable, scalable systems. More ❯

ABOUT THE JOB As a Senior Software Engineer on the Connected Warfare team, you will help architect third party systems to seamlessly integrate with Anduril products while solving a wide variety of technical problems, making pragmatic engineering tradeoffs along the way. Your role sets the bar for the technical excellence our customers expect from Anduril. Above all … Mission Software Engineers are driven by a "Whatever It Takes" mindset-executing in an expedient, scalable, and pragmatic way while keeping the mission top-of-mind and making sound engineering decisions to deliver successful outcomes correctly, on-time, and with high quality. WHAT YOU'LL DO Be a champion for Anduril capabilities within a customer environment Develop architecture and … vignettes Iterate on core data mesh technology to make optimal use of degraded networks Develop connectors and APIs for legacy and cutting edge systems to integrate with Lattice Deploy software to non-standard environments Create data flow pipelines that span horizontally and vertically across disparate networked systems and security domains REQUIRED QUALIFICATIONS Strong engineering background from industry or school More ❯

decisions. We focus on professional development and continuous improvement while enjoying a casual work environment and Great Place to Work culture! We are seeking a highly driven and innovative Senior Software Engineer to take ownership of end-to-end solutions, drive innovation, and deliver exceptional results. The ideal candidate is a self-starter with strong technical expertise … a collaborative mindset, and a passion for continuous improvement. Outcomes and Activities: Design and develop software and improve existing code to make it more efficient to detect bugs in the code Write unit-tests and validate your software against acceptance criteria Author, apply and advocate for team coding, documenting and testing standards Conduct impact analysis to proactively identify … design and code quality as well as to increase application domain knowledge Participate in the talent selection process Guide and review the code, designs and documentation of less experienced software engineers Competencies: The following items detail how you will be successful in this role. Customer Empathy: Customer Empathy is the ability to understand the perspectives, pain points, and experiences More ❯