226 to 250 of 427 Software Engineering Jobs in London

markets. Their clients range from high-growth FinTech start-ups to global investment banks and hedge funds, hiring for roles across software engineering, data, cloud, DevOps, cyber security and quantitative technology. Youll be trained by senior consultants who each bill £700k+ annually, giving you first-hand exposure ...

backend-focused, with some opportunity to contribute minor front-end enhancements where required. Role: Senior .Net Backend Developer, Senior .Net Developer, .Net Core Developer, Software Engineer, Contract .Net Developer, Lead .Net Developer Location: Fully Remote – 100% work from home Day rate: £400 per day outside IR35 Duration: initial ...

Senior Java Fullstack Developer - VP level - Investment Technology/Finance An industry leading global financial and technology organisation are looking for Senior Java Software Engineers with 7+ years’ experience, who have some experience in React or similar, plus modern JavaScript/TypeScript, who like to innovate and be part … team creating next-generation investment finance technology. Based in London, you will be a key part of the team responsible for engineering a cloud-first Private Markets platform using a microservice architecture, supporting hundreds of client businesses, managing and analysing their portfolios. The team’s focus is to design ...

Software Engineer - Mid-Lead Level - Security & Defence 📍 Location: London, Gloucester, or Manchester (Hybrid options available) 💰 Salary: £47,000 - £90,000 + clearance uplift + company bonuses + benefits 🟩 Clearance: Active eDV Clearance is essential Join one of the UK’s most impactful mission-led technology teams and work … sharp end of national security. We’re working with a range of defence primes, specialist consultancies, and tech-first SMEs delivering cutting-edge software solutions to protect the UK’s critical assets. These roles are core to national security, working across projects in cyber defence, secure data systems, threat ...

Title: Senior Software Developer (eDV clearance required) Location: Hybrid In London Employment Type: Permanent Salary: Up to £75,000 + package Start Date: Immediate Industry: IT Services & Consulting We’re working with a specialist consultancy delivering mission-critical digital solutions across the UK public sector. They’re looking … Senior Software Developer with strong Golang experience and a passion for building high-quality, user-focused systems. You’ll be joining a collaborative, multi-disciplinary team working on impactful projects, with the opportunity to influence both technical direction and user outcomes. Senior Software Engineer – Key Responsibilities Designing, building ...

key. There is strong end-to-end ownership and clear visibility across the full trading stack. They are looking for someone with a solid software engineering background and several years of experience (typically around 3–7). Experience with trading systems or DeFi is beneficial but not required. … Familiarity with ecosystems such as Solana, Sui, or Cosmos Experience diagnosing performance, latency, or throughput issues Interest in product design and user experience alongside engineering ...

standards, such as Building Device Naming Standards (BDNS) across all projects. Building Information Modelling: Implement and manage semantic building data models using standards like Software Solutions Collaboration: Work closely with our internal software engineering team to define requirements for integrations, data management and enhanced capabilities. Essential Qualifications ...

Senior Software Engineer | £70k–£95k | Python • FastAPI • AWS • EKS 🚀 Looking for a product-led engineering role in a recently profitable, high-growth scale-up? This isn't just about maintenance; it’s about building high-scale, cloud-native microservices and tackling a massive upcoming greenfield build. 🛠️ 💰 The Package … real-time data and telematics. By leveraging smart technology, they reward safe driving behavior with fairer, tailored premiums. Led by a new VP of Engineering, they are fostering a world-class engineering culture focused on autonomy, technical excellence, and high-volume, public-facing applications. What ...

Job Title: AI Engineer Location: London/Hybrid Salary: £80,000 - £100,000 per annum + benefits Why Apply? An established, high-growth technology consultancy is building a genuinely AI-native capability, embedding artificial intelligence ...

Leading institutional crypto trading firm who are growing their team in London and are looking for a new Java developer to work on stablecoins. The role covers from architecture to low-level development and is ...

international cross-border payments company are looking for a Principal Software Engineer to help build and scale their payment platform. You’ll work across the full stack - frontend, backend, cloud infrastructure, and data - designing reliable systems that power real financial transactions. You'll lead their latest platform, provide technical … database performance and system reliability Contribute to architecture decisions and technical strategy Support CI/CD pipelines and cloud infrastructure Mentor developers and promote engineering best practices Tech Stack: Frontend: TypeScript, JavaScript, (React/Angular), HTML5, CSS3 Backend: Python REST APIs Data: MySQL, PostgreSQL, Redis Cloud & DevOps: AWS, Docker ...

scale up our tech team with the very best engineers to supercharge our growth. We are looking for a bright, driven, full-stack Senior Software Engineer who is excited about solving complex problems and building scalable platforms. The role As a Senior Software Engineer, you will: Understand complex … Technology and other senior team members Work with other engineers and the business to improve user experiences Bring your experience and enthusiasm to our engineering culture Promote excellence with technical mentoring, feedback, and code reviews Participate in planning sessions, retrospectives, stand-ups and demos Join us in curating ...

Backend Software Engineer London (Occasional travel) Salary: Up to £85k + Benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects … What will I be doing? Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software ...

Software Engineer - Backend London (Occasional travel) Salary: Up to £85k + Benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects … What will I be doing? Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software ...

full life cycle delivery of the project in both technical compliance and quality. Attending meetings with clients to discuss the design, surveys, software programming, configuration, testing and commissioning for projects. As a Controls Systems Intergration Engineer, you will bring an innovative approach to problem solving, you will be working … includes UK site commissioning (which may involve short periods away from home). What we require from you: Previous control system experience ( 2 years+ ) Software Engineering Degree and/or Electrical qualifications Experience with Allen Bradley, Siemens Mitsubishi PLC's or experience of SCADA systems like Wonderware, Iconics ...

complex integration and platform problems with real impact across the business. Role Overview We are seeking multiple Senior Java Engineers to join the programme engineering team. You will be responsible for designing and delivering robust, high-performance Java services that integrate with both the incoming custody platform and existing … solution documentation Write clean, well-tested, production-grade code with appropriate unit, integration, and contract testing coverage Participate in code reviews and uphold engineering standards across the squad Identify and resolve performance, reliability, and scalability issues Work closely with business analysts and platform specialists to understand domain requirements ...

governed and used to support both operational services and long-term transformation. You will operate across both business and technical areas, working with architecture, engineering and data teams to ensure that data is consistent, well-governed and aligned to organisational standards. The role involves supporting the definition of data … also be comfortable working within established architectural frameworks, applying patterns and principles to solve business problems. Responsibilities Working with the Architecture, Data Management and Software Engineering Practices to ensure data architecture is in accordance with the agency's strategies. Taking part in technical and business design authorities ...

governed and used to support both operational services and long-term transformation. You will operate across both business and technical areas, working with architecture, engineering and data teams to ensure that data is consistent, well-governed and aligned to organisational standards. The role involves supporting the definition of data … also be comfortable working within established architectural frameworks, applying patterns and principles to solve business problems. Responsibilities Working with the Architecture, Data Management and Software Engineering Practices to ensure data architecture is in accordance with the agency's strategies. Taking part in technical and business design authorities ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 2 days remote and 3 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited … does not discriminate in regards to age, gender, national origin, religion or any other basis. An excellent opportunity has arisen for a Senior Software Engineer C++to join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. My client are working with ...

unparalleled scale, reliability, and resilience. This is where you come in... They are looking for an exceptional C++ Engineer to join their most critical engineering group across the whole firm. This elite team of engineers is responsible for developing all of their on-exchange proprietary trading technology—the single … kind of engineer who knows what’s going on under the hood and thrives on working at the lowest levels of software engineering—borderline hardware. Your expertise includes some blend of modern C/C++ with the following: Operating systems (Linux Kernels) CPU architecture GPU programming Assembly Language ...

Software Engineer Power BI London (Stratford) or Manchester (Trafford) Hybrid (% office) £49,502 (Regional) £57,094 (London) depending on experience Fixed Term Contract 12 Months About the Role An exciting opportunity for a Software Engineer specialising in Power BI to join a growing data and engineering team. ...

Description A Group IT function within a well established UK business is restructuring its software engineering team and needs an experienced Development Lead to drive that change. This is a transformation contract, not a maintenance role. You will come in, assess the current teams structure and capability, then ...

Group IT function within a well established UK business is restructuring its software engineering team and needs an experienced Development Lead to drive that change. This is a transformation contract, not a maintenance role. You will come in, assess the current teams structure and capability, then redesign ...

evaluate, and run large-scale agent systems Working in a collaborative team in order to overcome challenges Role Requirements 5+ years of experience in software engineering or a relevant field Experience with agent architecture in a professional environment via LLM/VLM reasoning and planning systems Educational experience ...

tech market, with full training provided and clear progression from day one. The Role Youll specialise in placing technology professionals across areas such as software engineering, data, cloud, and cybersecurity. Working in a fast-paced, target-driven environment, youll manage the full recruitment lifecycle while building a strong ...