1 to 25 of 53 Permanent Senior Software Engineer Jobs in London

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 3 days remote and 2 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background … 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. ...

excellent opportunity for a Senior Software Engineer- C# with .Net and Restful API with the job based in Uxbridge. With continued growth of the business my client is looking for a Senior Software engineer to be a part of a motivated engineering team working … will be developing detailed code for the development of next gen products. To be a great match for the Uxbridge based job as a Senior Software Engineer, you will come from a strong background in a variety of languages such as C# .Net AND VB and have ...

Senior Software Engineer London, UK | 1 Day a Month | £70,000 - £85,000 This is an opportunity to join a growing product-led business at a pivotal stage in its journey. As the Senior Software Engineer, you will become a key technical contributor, taking … ownership of software delivery, shaping engineering standards, and helping bring development capabilities in-house as the platform scales. The Company They are a specialist technology business operating within a high-value professional services market. Having recently launched their core platform, they are now focused on enhancing scalability, improving engineering ...

Senior Software Engineer/Lead Developer (Python GCP FastAPI) London/WFH to £120k Are you a skilled Python Developer with leadership experience? You could be progressing your career at a well-funded and profitable FinTech start-up. As a Senior Software Engineer your … role will blend technical leadership and software engineering, giving you the opportunity to guide a talented team while remaining closely involved in architecture, design and delivery. You'll play a key role in driving engineering standards, mentoring developers and helping the team tackle complex technical challenges across a modern ...

Senior Software Engineer/Developer (Python Data) London/WFH to £140k Are you a Senior Software Engineer with strong Python coding skills who enjoys building robust, high performance systems from complex quantitative research? You could be progressing your career at a fast-growing … plans to expand into hydrogen storage and establish an in-house energy trading desk, it's at the forefront of energy innovation. As a Senior Software Engineer you will collaborate closely with quantitative analysts and data scientists to turn research models into reliable, production grade software. ...

Senior Embedded Software Engineer - C/C++ looking to work for a company that makes products that save lives. If so, then this is the job for you! My client's office is based in Rochester, Kent, commutable from Gravesend, Dartford, Bexleyheath, Sittingbourne, Maidstone, Ashford, and Sevenoaks … offers flexible/hybrid working. In this job you will design and develop application software and embedded firmware in C and C++ for future products and assist with the support and enhancement of my clients existing product portfolio. In this Senior Embedded Software Engineer - C/ ...

Senior Embedded Software Engineer - C/C++ looking to work for a company that makes products that save lives. If so, then this is the job for you! My client's office is based in Rochester, Kent, commutable from Gravesend, Dartford, Bexleyheath, Sittingbourne, Maidstone, Ashford, and Sevenoaks … skills to fill this role Read the complete details below, and make your application today. In this job you will design and develop application software and embedded firmware in C and C++ for future products and assist with the support and enhancement of my clients existing product portfolio. ...

Senior Python Software Engineer/Developer (Django AI) London/WFH to £120k An established FinTech business specialising in automated investment reporting is looking for a Senior Python Software Engineer to take a leading role in the design and delivery of its software products. As a Senior Python Software Engineer you'll be in a product focused engineering role, combining hands-on Python development with technical ownership. You'll lead projects end to end, shape architecture and drive the delivery of new product capabilities, working across backend engineering, data ...

Senior Software Engineer: Sports Betting Up to £120,000 + Bonus + Excellent Benefits London - 5 Days On-Site | Python | Java | AI | Low Latency | Distributed Systems Build software where performance, mathematics and real-time decision-making genuinely matter. We're partnering with a highly technical sports … betting business continuing to invest in its engineering function. They're looking for Senior Software Engineers to work on complex backend systems operating across real-time data, quantitative problems and high-performance distributed architecture. This is an opportunity for engineers who enjoy difficult technical problems rather than simply ...

Senior Software Engineer (Embedded Systems) Location: West London We are seeking an experienced Senior Software Engineer to lead the design, development, and delivery of advanced embedded software solutions for connected systems and communication technologies. This role offers the opportunity to work across … leadership, drive engineering excellence, and contribute to the development of innovative, high-performance products. Key Responsibilities: Lead the design, development, and delivery of embedded software solutions for Linux-based platforms. Define software architecture, technical specifications, and system design for complex engineering projects. Develop robust, high-performance software ...

Lead/Senior Software Engineer/DV Clearable/5 Days Onsite Location: London We're seeking experienced Lead and Senior Software Engineers to join a high-performing engineering team delivering modern, secure and scalable software solutions. This is an opportunity to work … large-scale modernisation programmes, and help drive the adoption of AI-enabled engineering practices within highly regulated environments. The Role As a Lead or Senior Software Engineer, you'll play a key role in designing, building and delivering high-quality software systems that balance performance, security ...

Senior Software Engineer Portsmouth Competitive Salary + Bonus + Excellent Benefits Are you the person other engineers turn to when automation problems become too complex? Do you enjoy improving machinery rather than simply maintaining it, and want a role where you can influence the future direction … automation, robotics and manufacturing technology? We're recruiting for a senior engineering position within a highly advanced manufacturing environment where automation is central to business growth. You'll play a key role in developing, optimising and supporting sophisticated robotic production systems, helping to drive reliability, efficiency and future automation ...

Senior Software Engineer - Rust (Any Backend Language Accepted) Fastest Growing Start-up in the UK | Defense | Senior Software Engineer | Rust We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group building cutting-edge decision … just over two years, and already have a lot of customers in the UK. On-site | London Up to 150,000 + Equity Senior/Principal Software Engineers: They're looking to add Senior/Principal Engineers to their team. The team are open to hiring pure ...

+ Bonus + Benefits Central Wimbledon | Hybrid 2 days per week Were partnering with an established global technology business looking for a highly experienced Software Engineer to help shape the next generation of a major SaaS platform. This is for someone who still wants to engineer . … technical role. Not endless architecture meetings. And not a legacy .NET position with an AI badge added to the advert. Youll operate at the senior end of a modern Product Engineering organisation solving difficult technical problems, influencing architecture and engineering standards, mentoring experienced developers and helping determine ...

White Collar Factory (95009), United Kingdom, London, London Senior Software Engineer Job Title: Senior Software Engineer Location: London - Hybrid Working Pattern: 3 days in-office (Tuesday-Thursday) and 2 days remote. Our Mission We’re on a mission to be a force for good … plenty of opportunity to talk, coach and learn with many great and diverse individuals. In this role, you will design, develop, test, and maintain software products that automate core business processes. You will walk in the shoes of our users, collaborating with Business, Technology, and Operations teams to build ...

Description Job Title: Senior Software Engineer (Python & Distributed Systems) Location: Cambridgeshire, UK (5 days onsite – Central Cambridge & Bourn Quarter) Contract Length: 12 Months Overview We are looking for a Senior Software Engineer to support and scale software systems inside our Cambridge data collection … debugging in a live lab environment. Collaborate with audio/video engineers, technicians, and international research teams. Requirements Python: 8+ years of professional backend software engineering and data processing experience. Linux & Automation: Strong Linux systems knowledge and shell scripting (Bash). Networking & Distributed Systems: Solid understanding of IP networking ...

Senior Software Engineer/Developer (Python Data) London/WFH to £140k Are you a Senior Software Engineer with strong Python coding skills who enjoys building robust, high performance systems from complex quantitative research? You could be progressing your career at a fast-growing ...

About Us: We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing new bespoke solutions to solve our customers complex operational problems. As our business continues to grow, we are interested in speaking with an experienced Full Stack Software Engineer with expertise … Opportunity: We have a wide variety of teams who support our customers on a range of interesting and complex projects, building new bespoke software solutions and providing them with up to date capability to meet their needs. As a Senior Software Engineer, you will join ...

Senior/Principal Software Engineer Permanent - Hybrid working - Kent As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction and ensuring … will shape strategy, drive innovation and play a key role in delivering high-impact solutions. Core Duties: Leading design and development of embedded software, including drivers, protocols, human-machine interfaces with certification artefacts Defining system and software architectures from requirements using structured design, modelling and simulation Driving integration ...

Title: Senior Embedded Software Engineer Location: Nottinghamshire (hybrid 3 days onsite) Salary: Up to £65k (DOE) An exciting opportunity has arisen for an experienced Senior Embedded Software Engineer to join an innovative product development team working on next-generation embedded technology. This … hands-on senior engineering role where you'll play a key part in developing secure, network-connected embedded products from concept through to production. You'll be joining a collaborative engineering environment, working alongside firmware, hardware, software, test and compliance teams to deliver cutting-edge products ...

delivery by guiding teams through complex technical challenges, improving decision-making, and contributing to planning and risk management Mentor engineers, grow senior technical capabilities and champion AI-assisted development and engineering automation Job requirements Your skills and qualifications Proven experience as a Senior Software Engineer or Senior Data Engineer or in an equivalent senior individual contributor role Strong background in data platforms, distributed systems and cloud-native architectures, with experience shaping technical direction across teams and stakeholders Solid expertise in relevant technologies such as AWS, Terraform, Kafka/MSK, Airflow, Glue ...

Senior Software Engineer Platform/Core Infrastructure London | 4 days a week on site Up to £120k We're working with a London-based fintech that has scaled rapidly in a short space of time. Their platform now processes billions in annual transaction volume , operating across multiple … markets and supporting a fast-growing customer base. This is a Senior Platform Engineer opportunity where you'll take ownership of critical platform initiatives, make key architectural decisions and build the foundations that enable engineering teams to deliver software securely, reliably and at pace. You'll work ...

Software Engineer - AI/TypeScript/Rust Location: Hoxton, London - five days per week in the office. We're partnering with an AI startup building software to help businesses make better financial and strategic decisions. Their first product brings AI agents into Excel , helping users build … work with complex financial models. They're looking for a Software Engineer to take ownership of features across the product, working within a small, highly technical team. The stack is primarily TypeScript , with Rust used for performance-critical components. What you'll be doing Own features ...

about our mission and what we offer . We are expanding our Latam & Mea Payments Team and are looking for ambitious and highly skilled Senior Software Engineers to join the engineering team. You will lead the development of the critical integrations enabling money movement across the Latam … desire to take ownership and make a significant impact Autonomous team player able to work effectively with minimal supervision. Proven experience as a Senior Software Engineer, with a strong track record of delivering high-quality, scalable systems and a strong Product mindset Deep technical expertise in back ...

Nottingham Trent House (95002), United Kingdom, Nottingham, Nottinghamshire Senior Software Development Engineer - Amazon Connect Job Title: Senior Software Development Engineer - Amazon Connect Location: Nottingham - Hybrid Working Pattern: 3 days in-office (Tuesday-Thursday) and 2 days remote. Our Mission We’re on a mission … platform roadmap and ensuring we maintain a secure and stable service. The team currently consists of engineers, a Product Manager, a Software Engineering Manager, and an Application Architect. Working in and across tech teams is a natural part of our outcome-based culture, so you’ll have plenty ...