1,651 to 1,675 of 2,979 Software Engineer Jobs in the UK

Front End Software Engineer/React UI JavaScript, React, typescript, Redux, NodeJS, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API - Perm Role – London – Hybrid £80'000- £100'000 plus bonus Harrington Starr has partnered up with a Global Exchange company that are looking to hire a UI Developer with expert Software Engineering skills using JavaScript More ❯

Principal Engineer – ClimateTech | Tech Strategy for a New Platform London – 1 day a week Up to £130,000 plus stock Typescript | Python | GraphQL | AWS Principal Engineer – We have been exclusively engaged by a leading ClimateTech business to hire a Principal Engineer who will provide key strategic direction for their growth plans in 2024. The Principal Engineer will report to the CTO and be responsible for shaping the technical roadmap for their platform which provides petabyte volumes of data for genuine climate impact. The Principal Engineer will be their first hire at this level, providing technical leadership to an Engineering function of approximately 40 Engineers across Software, Data and SRE. In 2024 they plan … given the importance of the role, it would be expected that you’d come to the office so you need to be commutable to London. What will the Principal Engineer do? The role will broadly has three facets: You will provide architectural oversight around APIs, Data and Infrastructure, prioritising domain-driven design to align technical decisions with business goals. More ❯

Senior Software Engineer -UK This is an office-based role in Bangor, North Wales Salary – DOE Our client is seeking an experienced Senior Software Engineer to join the Team at Bangor. Why You Should Work Here… Our employees are at the heart of everything we do, which is why they are our biggest investment. We offer … top-notch benefits, and a company culture focused on employee development and career enhancement. Our team members can communicate and collaborate with colleagues around the world. Job Summary : The Software Engineer is responsible for the design, development, and deployment of internal and external software systems and solutions. They are also responsible for mentoring junior engineers, providing technical … leadership, and contributing to strategic decisions that shape the future of our technology stack. Key Responsibilities : Provides end-to-end software solution development, including: Takes ownership of specific application(s) and system(s) areas, as assigned. Continuously refines and improves code, updating and advancing current code base, as feasible. Maintains the value of application code(s) as a Company More ❯

Java Software Engineer - Real Time Systems London (Hybrid – 1–2 days/week onsite) 🚀 Join a FinTech Powering the Future of Payments Are you a Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant … days/week in a London office 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

Java Software Engineer - Real Time Systems London (Hybrid – 1–2 days/week onsite) 🚀 Join a FinTech Powering the Future of Payments Are you a Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant … days/week in a London office 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

Software Engineer Location: Telford (Ideally 2 days/week onsite End Date: 30 November 2025 Clearance: Active SC Clearance required (mandatory due to timesacles of the project) Rate & Engagement: Inside IR35 Overview: An experienced Software Engineer is required to join a multi-disciplinary team supporting a large-scale programme within UK central government. This role involves More ❯

Principal Java Software Engineer London (Hybrid – 1–2 days/week onsite) Join a FinTech Powering the Future of Payments Are you an experienced Senior/Principal Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that … week in a London office Opportunity to collaborate with major global banks Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

Job Title: Backend Software Engineer (Python Energy Sector) Location: Remote Type: Full-Time Industry: Renewable Energy/CleanTech About the Role We are seeking a Backend Software Engineer with a strong foundation in Python and a passion for the energy sector to join a fast-growing and mission-driven consultancy. This role offers the opportunity to … energy technologies (e.g., wind, solar, storage) and market mechanisms. Why Join? You'll be part of a mission-oriented team with deep expertise in remewable energy, data science and software engineering. This is a chance to work at the intersection of technology, policy, and sustainability, shaping tools that make renewable energy more accessible, efficient, and cost-effective. More ❯

Principal Software Engineer II (Fully Remote) Location: 100% Remote (UK & Ireland-based candidates preferred) Recruitment Partner: VANRATH Job Type: Full-time Permanent Industry: Fintech/SaaS/Payments VANRATH is proud to be partnering with an innovative and rapidly scaling fintech company to recruit a Principal Software Engineer II . This is a rare opportunity to … building a modern, merchant-focused ecosystem while remaining hands-on in engineering. You'll help shape the future of the company's technical direction while contributing directly to the software that powers a nationwide payment infrastructure. This role is fully remote , offering you flexibility while working alongside a passionate, pragmatic, and forward-thinking engineering team. The Opportunity: As a … Principal Software Engineer II , you'll lead the design, development, and strategic direction of key platform capabilities-such as APIs, Billing, Settlement, and more. This is a hands-on technical leadership role with significant influence across architecture, engineering culture, and delivery practices. You'll guide feature teams, set standards, and participate in delivering real-world solutions that serve More ❯

Principal Java Software Engineer London (Hybrid – 1–2 days/week onsite) 🚀 Join a FinTech Powering the Future of Payments Are you an experienced Senior/Principal Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that … week in a London office 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

Job Title: Backend Software Engineer (Python | Energy Sector) Location: Remote Type: Full-Time Industry: Renewable Energy/CleanTech About the Role We are seeking a Backend Software Engineer with a strong foundation in Python and a passion for the energy sector to join a fast-growing and mission-driven consultancy. This role offers the opportunity to … energy technologies (e.g., wind, solar, storage) and market mechanisms. Why Join? You'll be part of a mission-oriented team with deep expertise in remewable energy, data science and software engineering. This is a chance to work at the intersection of technology, policy, and sustainability, shaping tools that make renewable energy more accessible, efficient, and cost-effective. More ❯

Job Title: Backend Software Engineer (Python | Energy Sector) Location: Remote Type: Full-Time Industry: Renewable Energy/CleanTech About the Role We are seeking a Backend Software Engineer with a strong foundation in Python and a passion for the energy sector to join a fast-growing and mission-driven consultancy. This role offers the opportunity to … energy technologies (e.g., wind, solar, storage) and market mechanisms. Why Join? You'll be part of a mission-oriented team with deep expertise in remewable energy, data science and software engineering. This is a chance to work at the intersection of technology, policy, and sustainability, shaping tools that make renewable energy more accessible, efficient, and cost-effective. More ❯

T24 Principal Software Engineer Location: London - Hybrid 3 days a week in the office Duration: Initially 6 months Rate: £market rate The company: Global Technology company delivering digital transformation to a financial services end client. The knowledge, experience and qualifications you need Wide, detailed, and up-to-date experience of the technologies and tools in your area. Plenty … of experience in the full lifecycle of developing software from the first idea to the final execution Mandatory to have L3 code development skills with hands-on experience. TAFJ knowledge and code library management experience. Local code development skill using Info Basic and TAFJ componentized codes. In-depth Technical knowledge of T24 Customization and OFS processing. Linux basics. Agile … delivery experience, especially around discovering requirements and preparing user stories. A good understanding of testing approaches and putting testability at the heart of software design and development. The ability to establish relationships with stakeholders at all levels A good understanding of system integration patterns and associated technologies. Excellent written and spoken English, and communication skills to help manage relationships More ❯

Frontend Software Engineer We are looking for a highly motivated Frontend Software Engineer (hybrid in London) to join an early stage technology company. This is a rare chance to join a startup at the very beginning - where your curiosity, ideas, and input will directly influence the product roadmap. You’ll be working closely with a small … experienced engineering team, building real features in a modern codebase from day one. As a Frontend Software Engineer, you’ll join a small and growing R&D team focused on building ambitious new products from the ground up. You’ll work on real product features, contribute to design and development decisions, and grow your technical skillset by collaborating More ❯

Frontend Software Engineer We are looking for a highly motivated Frontend Software Engineer (hybrid in London) to join an early stage technology company. This is a rare chance to join a startup at the very beginning - where your curiosity, ideas, and input will directly influence the product roadmap. You’ll be working closely with a small … experienced engineering team, building real features in a modern codebase from day one. As a Frontend Software Engineer, you’ll join a small and growing R&D team focused on building ambitious new products from the ground up. You’ll work on real product features, contribute to design and development decisions, and grow your technical skillset by collaborating More ❯

Founding Software Engineer Salary: Up to £80,000 + Benefits Location: UK, Fully Remote A mission-driven start-up, transforming the future of long-term private healthcare, are looking for a Founding Backend Engineer to specialise on their Backend using Python. They are building a smart, more efficient way for GP practices to manage care, scheduling and … workflows - replacing outdated spreadsheets with a powerful, data-rich SaaS platform. As the Founding Backend Engineer, you will work directly with the founding team and CTO to play a pivotal role in enhancing and developing their current SaaS-based platform, taking ownership of Back-end technologies and demonstrating technical versatility. You will make a clear impact on current and … future development within the platform, with multiple greenfield features and tools already on the roadmap. As a Founding Backend Engineer, you will have the following: 5+ years of Python experience, building API-powered solutions Good understanding of microservice architecture Experience with common Python frameworks, including Django Experience using Auth0 for authentication Experience with client-server architecture using REST and More ❯

Software Engineer – Polyglot-Friendly Team, Big Impact on Clean Energy⚡ 💰 Salary : ~£80,000–£95,000 DOE + benefits 📍 Location : 2 days onsite in London (Zone 1) Are you a JVM engineer curious about Kotlin – or already loving it? Want to solve complex problems that contribute to a greener, more sustainable world? Join a high-calibre engineering team … building modern, customer-facing and energy-focused systems in one of the UK’s most exciting clean tech companies. As the Software Engineer, you will: Design and build well-structured backend systems using Kotlin (or learning it quickly if you’ve worked with other languages before). Collaborate closely with product and design teams to ship high-impact More ❯

working on cutting-edge projects that make a real difference. If you're passionate about creating impactful solutions and thrive in a collaborative, hybrid work environment, then this Cloud Software Engineer role is the perfect opportunity for you. What You Will Do: - Develop and implement robust cloud-based solutions that support the company's innovative product range. - Collaborate … and systems. - Utilise tools like Terraform and GitLab to ensure seamless CI/CD processes. - Work with programming languages such as Python and PHP to deliver scalable and efficient software solutions. - Leverage Amazon Web Services (AWS) and Infrastructure as Code (IaC) to build and maintain cloud infrastructure. - Contribute to the company's mission of creating safer environments through state … of-the-art technology. What You Will Bring: - Proven experience in cloud software engineering, with a strong understanding of DevOps principles. - Proficiency in programming languages such as Python or PHP, and hands-on experience with AWS. - Expertise in CI/CD tools and practices, including Terraform and GitLab. - A problem-solving mindset with the ability to think innovatively and More ❯

Software Developer – .NET ASP.Net Core, C#, SQL, Blazor Salary up to £35k In office working – The Wirral For more information, please email me directly at Patrick.doyle@searchability.com or call on 07880 358 148. Who We Are: We’re a tight-knit development team focused on building and maintaining robust internal and client-facing software platforms. Our systems are … supported by web and mobile applications. We value independent thinking, clean code, and the continuous evolution of our tech stack. Who We’re Seeking: We’re looking for a Software Developer with experience working in .NET environments across both desktop and web applications. You’ll be working with technologies such as C#, ASP.Net Core, SQL and Blazor. You’ll … contribute to the development of new features, enhancements, and system fixes, while also helping to reverse engineer legacy systems to improve performance and maintainability. You’ll work within a Kanban workflow and use Azure DevOps for source control and task management. The ideal candidate can work independently, write unit tests, and bring strong attention to detail in a structured More ❯

Role: Contract Senior Embedded Software Engineer. Rate: 60phr + VAT, outside IR35 Duration : 6 months Location: Cardiff Supporting a renewable energy technology company, with offices in Cardiff, we are looking for a contract senior embedded software engineer. This is an opportunity to join a team in process of growing and broadening their skills. This team has a focus … talented electronics, embedded and IT team in place. You would work on real world, products which make a big difference to their global customers. Key Experience & Responsibilities: - Embedded C++ Software Development - STL - Object Orientated Programming - Embedded Linux - RTOS - Work with existing libraries of programme - Unit & System Testing - Undertake & Complete all relevant Project/Product documentation Desirable: Full product lifecycle … experience Testing and debugging Education: - Degree in a relevant area such as Software or Electronic Engineering If interested, please send across an updated CV. More ❯

Experienced Software Engineer We are looking for an Experienced Software Engineer who will be a key member of our game development team here at SEGA HARDlight working across our live free-to-play mobile games. With our live titles no two days are the same, with a variety of challenges to keep you engrossed. We release … as the freedom to develop creative solutions to the problems you come across. Responsibilities Job Seniority: Junior -> Experienced -> Senior -> Principal/Lead Work as a key member of the software engineering team to design and implement game systems & project features Collaborate with the Lead Software Engineering to conceive and maintain a high standard of technical architecture Assist with … planning, work estimation, and task scheduling Work with the other departments to complete work on time to a high standard Mentor junior team members Adhere to and enforce good software engineering practices and company technical standards Care about the games we are making and how they can be better Essential Skills & Experience Strong software engineering skills are essential. More ❯

Software Engineer - Up to £120k + Equity Salary: £80,000 – £120,000 + Equity About Them Our client are a fast-growing AI startup revolutionising the video intelligence space. They've been building a cutting-edge video AI platform that delivers real-time insights and exceptional user experiences across various industries. Their team, composed of experienced professionals from … such as Typescript & React. Experienced with databases such as Redis & Postgres Stay current with deep learning research and propose practical applications in the video AI domain. About you Solid software engineering skills with a focus on writing production-grade code. Experience with PyTorch and Python 3; familiarity with C++ preferred. Experience with containerisation (Docker), model profiling. Why Join Them More ❯

programming languages include JavaScript, PHP, Python, Scala, or Go. Experience with building microservices and APIs is essential. Requirements We seek candidates with a passion for accessibility and cloud-native software development. Bonus points for experience with GraphQL, React, AngularJS, serverless frameworks, IoT, or graph databases. More ❯

Software Engineer - £70-120k salary range - London Hybrid - AI Workflow Automation Product TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are on the hunt for 2 new Developers to join the London based More ❯

Software Engineer - £70-120k salary range - London Hybrid - AI Workflow Automation Product TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are on the hunt for 2 new Developers to join the London based More ❯