401 to 425 of 1,532 Software Engineer Jobs in the UK

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly … that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at … time systems, or algorithmic trading. Why Apply? Opportunity to work on high-impact systems used in live trading. Collaborate with some of the brightest minds in quantitative finance and software engineering. Competitive compensation package with a base salary, plus bonus. We are reviewing applications on a rolling basis. If this role sounds like a fit, apply now to learn More ❯

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly … that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at … time systems, or algorithmic trading. Why Apply? Opportunity to work on high-impact systems used in live trading. Collaborate with some of the brightest minds in quantitative finance and software engineering. Competitive compensation package with a base salary, plus bonus. We are reviewing applications on a rolling basis. If this role sounds like a fit, apply now to learn More ❯

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly … that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at … time systems, or algorithmic trading. Why Apply? Opportunity to work on high-impact systems used in live trading. Collaborate with some of the brightest minds in quantitative finance and software engineering. Competitive compensation package with a base salary, plus bonus. We are reviewing applications on a rolling basis. If this role sounds like a fit, apply now to learn More ❯

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly … that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at … time systems, or algorithmic trading. Why Apply? Opportunity to work on high-impact systems used in live trading. Collaborate with some of the brightest minds in quantitative finance and software engineering. Competitive compensation package with a base salary, plus bonus. We are reviewing applications on a rolling basis. If this role sounds like a fit, apply now to learn More ❯

Our esteemed client, a trusted partner of the UK's Ministry of Defence, are seeking the expertise of a Low-Level Embedded Software Engineer. The selected candidate will deliver real-time solutions for advanced in-house weapons. The engineer will be part of a team responsible for the entire software product, from design, development, building, integration, and … testing to support. As a Low-Level Embedded Software Engineer, the successful candidate will join the Embedded Software team in Bristol. They will work towards developing real-time software solutions for Missile Units and Subsystems produced internally. Key Responsibilities: As a Low Level & Security software engineer, you will be responsible for developing one or … more of our internally developed security solutions and bespoke product lines throughout its/their life cycle. What do you need?: Required: Embedded C programming & debugging Hardware/software integration experience Experience working to standards Experience with ARM processors Basic Linux skills Desirable Full software lifecycle experience (design, development, and testing) Knowledge of Real-Time Operating Systems (e.g. More ❯

Full Stack Software Engineer – National Security Location: Surrey/Hampshire - Hybrid Salary: £55,000 - £75,000 + DV bonus + excellent benefits Clearance Required: Must hold eDV level security clearance Join a mission-led organisation delivering cutting-edge software solutions within the UK National Security, Defence, and Intelligence sectors. We're recruiting for a Full Stack Software Engineer to work on high-impact, secure technology projects that support national safety and infrastructure. You'll work across the full development lifecycle, using modern tools and frameworks to build secure, scalable, and innovative systems. Key Responsibilities Design, develop and deploy secure full stack applications Write clean, test-driven code (TDD/BDD) Integrate frontend components with APIs … enhance core architecture (data ingestion, APIs, storage) Participate in Agile ceremonies (stand-ups, retros, sprint planning) Collaborate with researchers, designers, and technical teams Translate complex user needs into scalable software solutions Tech Stack & Desirable Skills Experience in some of the following is beneficial: Languages: Python, Java, Golang, JavaScript, C++ Frontend: React, Vue.js, AngularJS Backend: Node.js, Nginx, Uvicorn, RESTful APIs More ❯

Embedded Software Engineer (C) 6 month contract Based in Stevenage Offering £68ph Inside IR35 Do you have experience using C? Do you have experience in Embedded Software? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Embedded Software Engineer (C), you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Developing, integrating, and testing embedded Software … using target test facilities such as debuggers, probes, logic analysers, and oscilloscopes Documentation and Design work in UML Your skillset may include: Experience with C Programming Language Experience testing software products for ARM based multi-core processing platforms Experience with communications protocols (e.g. SPI, UART, Ethernet, PCI-Express) Experience with DOORS Experience with test tools and techniques in both More ❯

Embedded Software Engineer (C) 6 month contract Based in Stevenage Offering £68ph Inside IR35 Do you have experience using C? Do you have experience in Embedded Software? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Embedded Software Engineer (C), you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Developing, integrating, and testing embedded Software … using target test facilities such as debuggers, probes, logic analysers, and oscilloscopes Documentation and Design work in UML Your skillset may include: Experience with C Programming Language Experience testing software products for ARM based multi-core processing platforms Experience with communications protocols (e.g. SPI, UART, Ethernet, PCI-Express) Experience with DOORS Experience with test tools and techniques in both More ❯

Embedded Software Engineer (C) 6 month contract Based in Stevenage Offering £68ph Inside IR35 Do you have experience using C? Do you have experience in Embedded Software? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Embedded Software Engineer (C), you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Developing, integrating, and testing embedded Software … using target test facilities such as debuggers, probes, logic analysers, and oscilloscopes Documentation and Design work in UML Your skillset may include: Experience with C Programming Language Experience testing software products for ARM based multi-core processing platforms Experience with communications protocols (e.g. SPI, UART, Ethernet, PCI-Express) Experience with DOORS Experience with test tools and techniques in both More ❯

Step into the future of defence technology with an exceptional opportunity as a Senior Software Engineer. If you're passionate about innovation and looking to make a real impact, this role offers you the chance to work on cutting-edge projects that redefine what's possible in the industry. Join a forward-thinking team that values excellence, creativity, and … career development. What You Will Do: Define, design, develop, and test embedded and application software to deliver high-quality solutions on time. Apply object-oriented design techniques to ensure code reusability and integration with testing frameworks. Review system design artefacts to derive software requirements and architecture that meet high-level system needs. Use modelling tools like RSA and … EA to document and maintain software designs, ensuring accuracy for code generation. Contribute to bids and proposals by generating technical estimates and identifying associated risks. Propose and implement improvements in tools, processes, and techniques to enhance software development efficiency. What You Will Bring: A degree in an engineering, mathematical, or science-based subject, or equivalent experience. Proficiency in More ❯

Software Engineer (.Net) SC Cleared Permanent Location: Fully remote/WFH (UK residency only) Salary: £50,000 - £55,000 (+ on-call £5K + a comprehensive range of Employee Benefits) Essential Skills: C#.Net, MVC, ASP.Net, SC Clearance We are looking to recruit an SC Cleared Software Engineer to a leading technology consultancy. This is a home … a supportive, inclusive, and socially active engineering team What we're looking for: ** Essential ** Active SC Clearance - or lapsed within the last 12 months Solid understanding of the full software development lifecycle Familiarity with ITIL IT Service Management processes Strong appreciation for development standards and quality procedures 2+ years' professional experience with some of the following technologies: Technical Skills More ❯

Senior Software Engineer Circa £60,000 annually Hybrid/Remote | Full-time We're partnering with one of the world's largest food service and support services companies, operating internationally and serving everything from corporate cafeterias to sports stadiums. This role sits within their procurement solutions team in Birmingham - the tech hub powering billions in purchasing decisions. Why … ll be instrumental in this knowledge transfer and capability building - a genuine chance to shape the future tech stack of a global operation. What we're looking for: ✅ Proven software engineering experience (5+ years) ✅ Strong server-side skills - ColdFusion, PHP, Java or similar ✅ Solid front-end fundamentals - HTML, CSS, JavaScript ✅ Experience with relational databases (MySQL, MS SQL) ✅ Version control … how a global organisation modernises its technology, with the autonomy to build expertise that's increasingly valuable in today's market. Sound like you? If you're a versatile software engineer who thrives on learning new technologies, enjoys solving complex problems, and wants to be part of something transformational rather than transactional – this one's for you. Apply More ❯

Java Developer Senior Software Engineer (Java, AWS, ideally React and frontend experience) Permanent Salary of £50/70,000 per annum Remote with occasional travel to London Must be eligible for SC Clearance Digital Skills are working with a niche consultancy, a specialist in providing AWS and technology services across the UK Government. The client are undegoing rapid … expansion and as such are recruiting for a number of specialist Java Software Engineers. About the role You will be working as part of a large and integrated team, providing software and platform solutions to a UK Central Government department. The team are responsibe for implementing software design, development and testing solutions based upon Java in to … AWS cloud You will be responsible for full stack development, using Java and React The role is remote with travel up to twice per month About you Experienced Java Software Engineer React and Javascript experience Exposure to full stack software development (Ideally React) AWS or secure cloud experience Eligible for SC Clearance (UK Passport or permanent resident More ❯

Lead Software Engineer - Java Microservices Location: London (Hybrid - 2 days on-site, Monday and Tuesday) Overview We're excited to be supporting our client in hiring a talented Software Engineer (Java Microservices) to join a dynamic, high-performing engineering team within retail banking. This is a fantastic opportunity for a technically minded individual who's passionate … about building fast, reliable, and scalable software within a complex distributed environment. You'll play a key role in designing, developing, testing, and implementing modern microservices-based applications running in the public cloud. This is a hands-on position within a feature team that works collaboratively across the full software development lifecycle. What You'll Be Doing Designing … producing, testing, and implementing high-quality software across the system lifecycle Working within a permanent feature team focused on delivering business-critical services in a fast-paced Agile environment (two-week sprints) Collaborating with architects, principal engineers, and key stakeholders to align technical solutions with business objectives Applying Agile and Test-Driven Development (TDD) principles to build resilient, fast More ❯

C++ Software Engineer required for fully on site contract assignment in Bristol. Candidates will need to have or achieve UK Eyes Only SC prior to starting this assignment. Skillset/experience required: A strong background in software engineering, its realisation and system wide impact. Experience of working in C++ Collaborative, open approach to development and have the … ability to work well in a team and maintain momentum during development. Experience of working across the entire software development process from engaging with requirement authorities to automated target integration and proving, supported with effective documentation Experience of new tools, techniques and approaches that might enable us to evolve our processes to improve our efficiency and sustainability Experience in … Responsibilities: This is a very hands-on role and requires the continued design and development of Command and Control architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative. Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary More ❯

C++ Software Engineer required for fully on site contract assignment in Bristol. Candidates will need to have or achieve UK Eyes Only SC prior to starting this assignment. Skillset/experience required: A strong background in software engineering, its realisation and system wide impact. Experience of working in C++ Collaborative, open approach to development and have the … ability to work well in a team and maintain momentum during development. Experience of working across the entire software development process from engaging with requirement authorities to automated target integration and proving, supported with effective documentation Experience of new tools, techniques and approaches that might enable us to evolve our processes to improve our efficiency and sustainability Experience in … Responsibilities: This is a very hands-on role and requires the continued design and development of Command and Control architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative. Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary More ❯

C++ Software Engineer required for fully on site contract assignment in Bristol. Candidates will need to have or achieve UK Eyes Only SC prior to starting this assignment. Skillset/experience required: A strong background in software engineering, its realisation and system wide impact. Experience of working in C++ Collaborative, open approach to development and have the … ability to work well in a team and maintain momentum during development. Experience of working across the entire software development process from engaging with requirement authorities to automated target integration and proving, supported with effective documentation Experience of new tools, techniques and approaches that might enable us to evolve our processes to improve our efficiency and sustainability Experience in … Responsibilities: This is a very hands-on role and requires the continued design and development of Command and Control architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative. Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary More ❯

Job Title: Junior Application Software Engineer - Java + TypeScript + React Location: Manchester (Hybrid - 3 days in office) Salary: £35,000 - £42,000 per year About the Role: We're looking for a motivated Junior Application Software Engineer to join a collaborative software team in Manchester. This role is perfect for someone with a solid … exposure to full-stack development, cloud technologies, and agile delivery. Key Responsibilities: Develop and maintain web applications using Java, TypeScript, and React Assist in the design and implementation of software solutions in a collaborative team environment Write clean, efficient, and well-tested code Participate in code reviews, testing, and troubleshooting Collaborate with senior engineers to learn and adopt best More ❯

Embedded C Software Engineer Location: Stevenage Contract: 6-Month Contract (Likely Extension) Rate: £51.98/hour PAYE (£59.54/hour incl. holiday) or £68/hour Umbrella We seek an engineer who has worked in a military/defence environment/industry within the last 12 months or who is capable of obtaining security clearance (SC level … minimum) Overview This engineering role focuses on the development and implementation of embedded C software solutions for real-time systems. The successful candidate will work on-site within a collaborative engineering environment, contributing to the design and programming of embedded systems operating on bare-metal and real-time operating systems. Key Responsibilities Design and develop embedded software using … C for real-time applications. Implement and debug bare-metal software solutions. Develop software within real-time operating systems such as FreeRTOS. Apply UML methodologies for structured software design. Manage and trace software requirements using DOORS. Support testing, integration, and validation of embedded software. Collaborate with multidisciplinary engineering teams throughout the software lifecycle. Ensure software More ❯

Embedded C Software Engineer Location: Stevenage Contract: 6-Month Contract (Likely Extension) Rate: £51.98/hour PAYE (£59.54/hour incl. holiday) or £68/hour Umbrella We seek an engineer who has worked in a military/defence environment/industry within the last 12 months or who is capable of obtaining security clearance (SC level … minimum) Overview This engineering role focuses on the development and implementation of embedded C software solutions for real-time systems. The successful candidate will work on-site within a collaborative engineering environment, contributing to the design and programming of embedded systems operating on bare-metal and real-time operating systems. Key Responsibilities Design and develop embedded software using … C for real-time applications. Implement and debug bare-metal software solutions. Develop software within real-time operating systems such as FreeRTOS. Apply UML methodologies for structured software design. Manage and trace software requirements using DOORS. Support testing, integration, and validation of embedded software. Collaborate with multidisciplinary engineering teams throughout the software lifecycle. Ensure software More ❯

Software Architect - Stevenage (Hybrid role – typically 3–4 days on-site per week) Salary: Up to £80,000 DOE Security Clearance: British Citizenship The Opportunity: This is a fantastic opportunity for an experienced Software Architect , or a highly capable Senior Software Engineer ready to take the next step. You will be responsible for defining and leading … the software architecture for complex, safety-critical systems at the forefront of defence technology. Working in a collaborative, multi-disciplinary environment, you will help shape robust, secure and scalable software solutions that underpin next-generation weapon system designs. Key Responsibilities: • Define, document and own the full software architecture for major projects, from concept through to implementation. • Establish … manage design drivers such as real-time performance, safety, security, flexibility and reusability. • Produce derived and emergent requirements with clear rationale and traceability. • Collaborate closely with systems, hardware and software engineers to ensure technical alignment. • Contribute to long-term technology strategy, influencing tools, frameworks and architectural direction. What We’re Looking For: • Strong technical background in software design More ❯

Software Architect - Bristol (Hybrid role – typically 3–4 days on-site per week) Salary: Up to £80,000 DOE Security Clearance: British Citizenship The Opportunity: This is a fantastic opportunity for an experienced Software Architect , or a highly capable Senior Software Engineer ready to take the next step. You will be responsible for defining and leading … the software architecture for complex, safety-critical systems at the forefront of defence technology. Working in a collaborative, multi-disciplinary environment, you will help shape robust, secure and scalable software solutions that underpin next-generation weapon system designs. Key Responsibilities: • Define, document and own the full software architecture for major projects, from concept through to implementation. • Establish … manage design drivers such as real-time performance, safety, security, flexibility and reusability. • Produce derived and emergent requirements with clear rationale and traceability. • Collaborate closely with systems, hardware and software engineers to ensure technical alignment. • Contribute to long-term technology strategy, influencing tools, frameworks and architectural direction. What We’re Looking For: • Strong technical background in software design More ❯

Software Architect - Bristol (Hybrid role – typically 3–4 days on-site per week) Salary: Up to £80,000 DOE Security Clearance: British Citizenship The Opportunity: This is a fantastic opportunity for an experienced Software Architect , or a highly capable Senior Software Engineer ready to take the next step. You will be responsible for defining and leading … the software architecture for complex, safety-critical systems at the forefront of defence technology. Working in a collaborative, multi-disciplinary environment, you will help shape robust, secure and scalable software solutions that underpin next-generation weapon system designs. Key Responsibilities: • Define, document and own the full software architecture for major projects, from concept through to implementation. • Establish … manage design drivers such as real-time performance, safety, security, flexibility and reusability. • Produce derived and emergent requirements with clear rationale and traceability. • Collaborate closely with systems, hardware and software engineers to ensure technical alignment. • Contribute to long-term technology strategy, influencing tools, frameworks and architectural direction. What We’re Looking For: • Strong technical background in software design More ❯

Software Architect - Stevenage (Hybrid role – typically 3–4 days on-site per week) Salary: Up to £80,000 DOE Security Clearance: British Citizenship The Opportunity: This is a fantastic opportunity for an experienced Software Architect , or a highly capable Senior Software Engineer ready to take the next step. You will be responsible for defining and leading … the software architecture for complex, safety-critical systems at the forefront of defence technology. Working in a collaborative, multi-disciplinary environment, you will help shape robust, secure and scalable software solutions that underpin next-generation weapon system designs. Key Responsibilities: • Define, document and own the full software architecture for major projects, from concept through to implementation. • Establish … manage design drivers such as real-time performance, safety, security, flexibility and reusability. • Produce derived and emergent requirements with clear rationale and traceability. • Collaborate closely with systems, hardware and software engineers to ensure technical alignment. • Contribute to long-term technology strategy, influencing tools, frameworks and architectural direction. What We’re Looking For: • Strong technical background in software design More ❯

Software Architect - Stevenage (Hybrid role – typically 3–4 days on-site per week) Salary: Up to £80,000 DOE Security Clearance: British Citizenship The Opportunity: This is a fantastic opportunity for an experienced Software Architect , or a highly capable Senior Software Engineer ready to take the next step. You will be responsible for defining and leading … the software architecture for complex, safety-critical systems at the forefront of defence technology. Working in a collaborative, multi-disciplinary environment, you will help shape robust, secure and scalable software solutions that underpin next-generation weapon system designs. Key Responsibilities: • Define, document and own the full software architecture for major projects, from concept through to implementation. • Establish … manage design drivers such as real-time performance, safety, security, flexibility and reusability. • Produce derived and emergent requirements with clear rationale and traceability. • Collaborate closely with systems, hardware and software engineers to ensure technical alignment. • Contribute to long-term technology strategy, influencing tools, frameworks and architectural direction. What We’re Looking For: • Strong technical background in software design More ❯