1 to 25 of 17,401 Permanent Software Engineering Jobs in the UK

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering teams, and has built and maintained robust trading systems … Collaborate with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and Git-based workflows. Own deployment … and implement microservices and APIs for internal tools and external integrations. Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases More ❯

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering teams, and has built and maintained robust trading systems … Collaborate with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and Git-based workflows. Own deployment … and implement microservices and APIs for internal tools and external integrations. Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases More ❯

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering teams, and has built and maintained robust trading systems … Collaborate with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and Git-based workflows. Own deployment … and implement microservices and APIs for internal tools and external integrations. Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases More ❯

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering teams, and has built and maintained robust trading systems … Collaborate with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and Git-based workflows. Own deployment … and implement microservices and APIs for internal tools and external integrations. Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases More ❯

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering teams, and has built and maintained robust trading systems … Collaborate with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and Git-based workflows. Own deployment … and implement microservices and APIs for internal tools and external integrations. Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases More ❯

About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering teams, and has built and maintained robust trading systems … Collaborate with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and Git-based workflows. Own deployment … and implement microservices and APIs for internal tools and external integrations. Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases More ❯

Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio, including Software and Red Hat. Curiosity and a constant quest for knowledge serve as the foundation to success in IBM Consulting. In your role, you’ll be encouraged to challenge the … base salary paid by us monthly to save for your future Your Role And Responsibilities As an AWS Full Stack Developer you’ll participate in many aspects of the software development lifecycle, such as design, code implementation, testing, and support. You will create software that enables your clients’ hybrid-cloud and AI journeys. You’ll have the opportunity … solving skills and attention to detail. Strong communication and interpersonal skills, with the ability to collaborate effectively with diverse stakeholders. Knowledge of public sector regulations and standards relevant to software development Preferred Qualifications Experience with serverless architectures and containerization technologies (AWS Lambda, Docker, Kubernetes). Knowledge of CI/CD pipelines (Jenkins, Travis CI, CircleCI). Familiarity with security More ❯

Join to apply for the Senior Software Engineer role at Jet2.com and Jet2holidays Join to apply for the Senior Software Engineer role at Jet2.com and Jet2holidays Jet2.com and Jet2holidays are looking for a Senior Software Engineer to join our fast-moving and growing software development team. This is an exciting role, working across a breadth of … business and our customers. We have several roles within our wide range of scrum teams and are looking for passionate, technical people to join our team. As our Senior Software Engineer , you’ll have access to a wide range of benefits including: Remote working available Access to a generous discretionary profit share scheme Colleague discounts on Jet2holidays and Jet2.com … flights What You’ll Be Doing As a Senior Software Engineer , you will be joining a fast-paced scrum team, made up of a lead engineer, software engineers, automation and manual test engineers, product owners and business analysts. You will: Deliver systems that improve the experience of our customers and business users. Build robust and scalable systems. Actively More ❯

Senior Software Engineer, Python Development - London Join to apply for the Senior Software Engineer, Python Development - London role at Fitch Ratings Senior Software Engineer, Python Development - London 1 day ago Be among the first 25 applicants Join to apply for the Senior Software Engineer, Python Development - London role at Fitch Ratings Fitch Group is currently seeking … a Senior Software Engineer, Python Development based out of our London office. As a leading, global financial information services provider, Fitch Group delivers vital credit and risk insights, robust data, and dynamic tools to champion more efficient, transparent financial markets. With over 100 years of experience and colleagues in over 30 countries, Fitch Group’s culture of credibility, independence … New York, Fitch Group is owned by Hearst. Fitch's Technology & Data Team is a dynamic department where innovation meets impact. Our team includes the Chief Data Office, Chief Software Office, Chief Technology Office, Emerging Technology, Shared Technology Services, Technology, Risk and the Executive Program Management Office (EPMO). Driven by our investment in cutting-edge technologies like AI More ❯

put you at the heart of a global financial institution, transforming core financial systems and leading the integration of a new service delivery model? Then bring your skills in software engineering, innovation, user-centric design, and team leadership to Citi’s Strategic Ledger Digital Development Team. By joining Citi, you will become part of a global organization whose … on fostering a collaborative environment where new ideas are encouraged. We work daily with global teams, driving innovation and efficiency across the organization. What you’ll do As a Software Engineer in the Strategic Ledger Digital Development team, you will be instrumental in designing, developing, and deploying user-friendly applications that empower Finance Controllers,while also leading the integration … architectures. Solid understanding of data structures, algorithms, and database technologies (SQL and NoSQL). Experience with cloud technologies (e.g., AWS, Azure, GCP) and messaging systems like Kafka. Knowledge of software design patterns, architectural principles, and best practices. Experience with DevOps practices, CI/CD pipelines, and Agile methodologies. Proven ability to integrate disparate systems and processes into a cohesive More ❯

join with: £65,000 - £80,000 depending on experience (plus excellent benefits*) to ideally start in April 2025. We are looking for a passionate and experienced Full Stack Lead Software Engineer to join our small and dynamic development team that are pushing boundaries of training and performance decision support tools for the frontline. This role involves supporting the Head … of Products and Engineering by leading and coaching a team of engineers, designing scalable software solutions and ensuring good modern software engineering practices in both back-end and front-end development. You will work closely with product managers, analysts, and other engineers to build high-quality applications that empower and delight our users. Cervus is a … typically 2-3 days a week. Your main responsibilities will be to: Lead the design, development and deployment of scalable full-stack applications. Guide and mentor a team of software & data engineers, fostering a culture of collaboration and innovation. Architect and implement robust, secure, and maintainable code for both back-end (80%) and front-end (20%) components. Collaborate with More ❯

We are looking for a skilled and motivated Software Engineer to join our dynamic development team. In this role, you will be responsible for designing, developing, testing, and maintaining scalable software solutions. You will work closely with product managers, designers, and other engineers to build high-quality products that deliver value to our customers. Key Responsibilities Design, develop … and implement robust, scalable, and efficient software solutions. Collaborate with cross-functional teams to define, design, and ship new features. Write clean, maintainable code and participate in code reviews. Troubleshoot, debug, and upgrade existing systems. Ensure the best possible performance, quality, and responsiveness of applications. Participate in Agile development processes including daily stand-ups, sprint planning, and retrospectives. Contribute … to continuous improvement by suggesting improvements to tools, processes, and culture. Qualifications Required: Bachelors degree in Computer Science, Engineering, or a related field. Proven experience as a Software Engineer, Software Developer, or similar role. Proficiency in one or more programming languages (e.g., Java, Python, JavaScript, C#). Familiarity with front-end (e.g., React, Angular) and/or More ❯

Job Title – Software Engineer (Scrum Master Experience) Job Location – Tewkesbury, UK Flexible, condensed or reduced working hours considered and hybrid working where possible. Job ID – 19407 About this opportunity and L3Harris UK From 11 UK sites, our team of nearly 1,000 people delivers unique capabilities across space, air, land, sea and cyber for military, security and commercial customers … performance. We design and manufacture world-leading land force protection systems, cyber and electromagnetic activities (CEMA), electronic warfare (EW) and encryption capabilities. We are seeking mid-level or experienced Software Engineer with Scrum Master experience who have a passion for software engineering and a proven track record of technical excellence to design and develop innovative, cutting-edge … systems. This role offers the opportunity to shape software solutions that prioritize performance, reliability, and scalability, while remaining hands-on throughout the development lifecycle. Your role may involve individual contributor tasks, Scrum Master responsibilities, or both, depending on the projects you are assigned to. The responsibilities of your role will include the following: Applying your software skills as More ❯

the mentoring of code reviews as part of the development process. Produce high quality code with minimal defects. Update job knowledge by researching new internet/intranet technologies and software products; participating in educational opportunities; reading professional publications; maintaining personal networks; participating in professional organizations. Regularly communicate with the business to complete requirements analysis, design, and development work. Participate … in efforts to define engineering best practices, such as coding and design standards for the team. Enhance organization reputation by accepting ownership for accomplishing new and different requests; exploring opportunities to add value to job accomplishments. Participate in efforts to help team achieve yearly business and technical goals. Become a subject matter expert on one or more areas of … functionality. Recommend software solutions and tools by comparing advantages and disadvantages of custom development and purchase alternatives. Integrate applications by designing database architecture, establishing connectivity with network systems and web servers. Perform other job-related duties as assigned by Managers(s). What You'll Need Bachelor's degree in Information Systems, Computer Science, software engineering, or More ❯

Job Title – Software Engineer Job Location – Tewkesbury, UK Flexible, condensed or reduced working hours considered and hybrid working where possible. Job ID – 19406 About this opportunity and L3Harris UK From 11 UK sites, our team of nearly 1,000 people delivers unique capabilities across space, air, land, sea and cyber for military, security and commercial customers across the UK … and encryption capabilities. Our cyber capabilities provide an information advantage in the fields of kinetic conflict, cyber warfare, force protection and counterterrorism. We are seeking mid-level or experienced Software Engineers with a passion for software engineering and a proven track record of technical excellence to design and develop innovative, cutting-edge systems. This role offers the … opportunity to be a hands-on Software Engineer helping to create software solutions that prioritize performance, reliability, and scalability. Depending on your expertise, you may contribute to our internal Electronic Warfare, Integrated Air & Missile Defence or Information Resilience portfolios. Alternatively, you could be collaborating with a high-concept team working on next-generation cryptographic solutions, safeguarding data at More ❯

This is your chance to genuinely stamp your mark on one of the UK's most innovative and digital-focused businesses. What You'll Be Doing As a Senior Software Developer in Test (SSDET) at HL, you will play a crucial role in building market-leading solutions for our clients. You will: Test Automation Development : Design, develop, and maintain … of traffic. Implement security testing practices to identify and mitigate vulnerabilities. Develop functional resilience strategies such as chaos engineering. Quality Assurance : Support the team in conducting thorough testing of software applications, including unit, integration, system, and acceptance tests. Collaborate with developers to debug and resolve complex issues, including fixing bugs. Test Planning and Execution : Translate product requirements into test … strategies, architecture, and design decisions that ensure quality and non-functional requirements (NFRs) are considered upfront. Collaboration : Work closely with other SDETs, Software Engineers, QA Analysts, and DevOps Engineers to integrate automated testing and quality into the development process. Participate in code reviews and provide feedback on testability and quality of code. Continuous Improvement : Identify areas for improvement in More ❯

Join to apply for the Senior Software Engineer in Test (SDET) role at Hargreaves Lansdown Join to apply for the Senior Software Engineer in Test (SDET) role at Hargreaves Lansdown This range is provided by Hargreaves Lansdown. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range … This is your chance to genuinely stamp your mark on one of the UK's most innovative and digital-focused businesses. What You'll Be Doing As a Senior Software Developer in Test (SSDET) at HL, you will play a crucial role in building market-leading solutions for our clients. You will: Test Automation Development : Design, develop, and maintain … of traffic. Implement security testing practices to identify and mitigate vulnerabilities. Develop functional resilience strategies such as chaos engineering. Quality Assurance : Support the team in conducting thorough testing of software applications, including unit, integration, system, and acceptance tests. Collaborate with developers to debug and resolve complex issues, including fixing bugs. Test Planning and Execution : Translate product requirements into test More ❯

mark on one of the UK's most innovative and digital-focused businesses. Salary: Up to £75,000 dependent on experience What You'll Be Doing As a Senior Software Developer in Test (SSDET) at HL, you will play a crucial role in building market-leading solutions for our clients. You will: Test Automation Development : Design, develop, and maintain … of traffic. Implement security testing practices to identify and mitigate vulnerabilities. Develop functional resilience strategies such as chaos engineering. Quality Assurance : Support the team in conducting thorough testing of software applications, including unit, integration, system, and acceptance tests. Collaborate with developers to debug and resolve complex issues, including fixing bugs. Test Planning and Execution : Translate product requirements into test … strategies, architecture, and design decisions that ensure quality and non-functional requirements (NFRs) are considered upfront. Collaboration : Work closely with other SDETs, Software Engineers, QA Analysts, and DevOps Engineers to integrate automated testing and quality into the development process. Participate in code reviews and provide feedback on testability and quality of code. Continuous Improvement : Identify areas for improvement in More ❯

Frontend: React/Next.js Programming: TypeScript; JavaScript, Python Infrastructure: Terraform, GitHub CI/CD pipelines Responsibilities Provide technical leadership and mentorship to your team. As a Senior Full-stack Software Engineer, you will be responsible for guiding and developing the skills of junior engineers. Lead technical decisions and design for your team. You will be expected to provide technical … date with new technology trends, applications, and protocols. Contribute to the development of technical documentation and standards. ABOUT YOU Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS More ❯

people from over twenty different countries, speaking multiple languages, with a physical footprint in Africa, Europe, and Latin America. The role: We are seeking a skilled Senior Full Stack Software Engineer who is proficient in both frontend and backend development. The ideal candidate will be responsible for designing, developing, and maintaining our platform and related services. Additionally, the candidate … and functionality of our applications and a strong understanding that our customers are the ultimate beneficiary of well built, scalable and working software. Key Responsibilities: Design, develop, and maintain software systems using modern frameworks and technologies. Collaborate with cross-functional teams to define, design, and ship new features. Write clean, maintainable, and efficient code. Implement responsive design principles to … write and understand design documentation using C4, sequence diagrams and workflows. Excellent problem-solving skills and attention to detail. Solid understanding of logging, monitoring and observability to understand if software is functioning as required. Strong communication and teamwork skills. Preferred Skills: Experience with cloud platforms e.g., AWS, Azure, Google Cloud. Knowledge of DevOps practices and CI/CD pipelines. More ❯

people from over twenty different countries, speaking multiple languages, with a physical footprint in Africa, Europe, and Latin America. The role: We are seeking a skilled Senior Full Stack Software Engineer who is proficient in both frontend and backend development. The ideal candidate will be responsible for designing, developing, and maintaining our platform and related services. Additionally, the candidate … and functionality of our applications and a strong understanding that our customers are the ultimate beneficiary of well built, scalable and working software. Key Responsibilities: Design, develop, and maintain software systems using modern frameworks and technologies. Collaborate with cross-functional teams to define, design, and ship new features. Write clean, maintainable, and efficient code. Implement responsive design principles to … write and understand design documentation using C4, sequence diagrams and workflows. Excellent problem-solving skills and attention to detail. Solid understanding of logging, monitoring and observability to understand if software is functioning as required. Strong communication and teamwork skills. Preferred Skills: Experience with cloud platforms e.g., AWS, Azure, Google Cloud. Knowledge of DevOps practices and CI/CD pipelines. More ❯

people from over twenty different countries, speaking multiple languages, with a physical footprint in Africa, Europe, and Latin America. The role: We are seeking a skilled Senior Full Stack Software Engineer who is proficient in both frontend and backend development. The ideal candidate will be responsible for designing, developing, and maintaining our platform and related services. Additionally, the candidate … and functionality of our applications and a strong understanding that our customers are the ultimate beneficiary of well built, scalable and working software. Key Responsibilities: Design, develop, and maintain software systems using modern frameworks and technologies. Collaborate with cross-functional teams to define, design, and ship new features. Write clean, maintainable, and efficient code. Implement responsive design principles to … write and understand design documentation using C4, sequence diagrams and workflows. Excellent problem-solving skills and attention to detail. Solid understanding of logging, monitoring and observability to understand if software is functioning as required. Strong communication and teamwork skills. Preferred Skills: Experience with cloud platforms e.g., AWS, Azure, Google Cloud. Knowledge of DevOps practices and CI/CD pipelines. More ❯

people from over twenty different countries, speaking multiple languages, with a physical footprint in Africa, Europe, and Latin America. The role: We are seeking a skilled Senior Full Stack Software Engineer who is proficient in both frontend and backend development. The ideal candidate will be responsible for designing, developing, and maintaining our platform and related services. Additionally, the candidate … and functionality of our applications and a strong understanding that our customers are the ultimate beneficiary of well built, scalable and working software. Key Responsibilities: Design, develop, and maintain software systems using modern frameworks and technologies. Collaborate with cross-functional teams to define, design, and ship new features. Write clean, maintainable, and efficient code. Implement responsive design principles to … write and understand design documentation using C4, sequence diagrams and workflows. Excellent problem-solving skills and attention to detail. Solid understanding of logging, monitoring and observability to understand if software is functioning as required. Strong communication and teamwork skills. Preferred Skills: Experience with cloud platforms e.g., AWS, Azure, Google Cloud. Knowledge of DevOps practices and CI/CD pipelines. More ❯

governance, and reference data modelling best practices. UI/UX Design : Knowledge of user experience design principles and ability to create intuitive interfaces for complex data management tasks. Performance Engineering : Ability to design, implement, and optimise high-performance web applications and data services. Problem-Solving Skills : Exceptional analytical and troubleshooting abilities, particularly for complex data and application issues. DevOps … analysts, data stewards, and other developers. Cloud Technologies : Proficiency with cloud-native services and patterns across major platforms (AWS, Azure, GCP), including serverless functions and managed database services. AI Engineering : Basic understanding and interest in integrating AI capabilities for data quality, matching, and enrichment within master data management systems. Adaptability : Willingness to learn new technologies and approaches to solve … data management systems is highly advantageous. Industry Experience : Experience in commodities trading, financial services, or related industries is preferred. Educational Background : Bachelor's degree or higher in Computer Science, Software Engineering, or a related field. Certifications : Relevant certifications in modern web technologies, cloud platforms, or data management are beneficial but not required. Key Responsibilities: Full Stack Development : Design More ❯

/CD) practices. Troubleshooting & Maintenance: Monitor, troubleshoot, and resolve technical issues across the application stack in a timely manner. What you need: Education: Bachelor’s degree in Computer Science, Software Engineering, or a related field. Experience: 3-5 years of professional experience in full stack web development, with a primary focus on .NET technologies. Cloud Expertise: Demonstrated experience … e.g., Angular, React, or Vue.js) and proficiency in HTML, CSS, and JavaScript. Solid understanding of RESTful API design and implementation. Experience with SQL Server, and familiarity with NoSQL databases. Software Development Lifecycle: Knowledge of Agile methodologies and commitment to collaborative problem solving, efficient coding practices, and timely delivery. Problem Solving: Excellent analytical and troubleshooting skills, with a keen attention More ❯