1 to 25 of 308 Permanent Senior Software Engineer Jobs in London

SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Permanent job opportunity for a Senior Software Engineer Globally leading defence/cyber security company Salary … plus clearance bonus London based organisation in an easily accessible location Permanent Software Engineer To apply please call/or email WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. ...

Senior Software Engineer Python GCP FastAPI London, Greater London | £90k - £110k per year Senior Software Engineer/Developer (Python GCP FastAPI) London/WFH to £100k Opportunity for a skilled Software Engineer with strong backend Python skills to join a well-funded … profitable FinTech start-up. As a Senior Software Engineer you'll join a small, talented tech team to deliver new features and enhancements as well as some refactoring work, contributing to the core banking platform which integrates with major players such as HSBC. There's a relatively ...

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 … 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. ...

Senior Java Software Engineer - Java Developer, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research-driven … learning techniques. My client is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some ...

networking technology to the military in months, not years. About the Team Anduril’s Maritime Division has assembled a diverse team of experts in software, robotics, artificial intelligence, sensor fusion, and data analysis to create software and hardware solutions that radically evolve the capabilities of our customers. … national strategic priorities, we want you to join Anduril’s Maritime Division and help us build the future of defense capability. About the Job Senior Software Engineers independently drive the delivery of a variety of software integrated into our products. This includes autonomy, simulation, data processing, payload ...

Senior Software Engineer TypeScript React London, Greater London | £100k - £120k per year Senior Software Engineer/Front End Developer (TypeScript React) London/WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be progressing your … Salary to £120k Equity Impactful role with excellent career progression as the company scales Pension Your role: As a Senior Software Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on owning the build ...

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking. Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

Software Engineer - Engineering - Here East, Queen Elizabeth Olympic Park, London, United Kingdom Job Title Job Title Senior Software Engineer Job Description The studio behind: Football Manager. Founded in 1994, Sports Interactive became a wholly owned subsidiary of SEGA Europe in 2006. Based at the Here … people with the drive to match our ambitions and initiative to realise your individual potential. Position Overview The studio is looking for a talented Senior Software Engineer to join the Football Manager Console team and take the existing Football Manager Console product to new and exciting heights. ...

Senior Software Engineer Salary: Negotiable (Depending on Experience) Location: North London Area Schedule: 3-days on site and 2-days WFH per week The Opportunity We are supporting a globally recognised engineering business at the forefront of advanced radar and surveillance technology in the search … Senior Software Engineer. This is an excellent opportunity to play a key role in the development of innovative, high-performance software solutions used within cutting-edge maritime navigation and defence systems. You will take ownership of software design across the full lifecycle, contributing to both ...

Senior Software Engineer – Loyalty (Sparks) As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company … core and technology leaders that truly understand software engineers and engineering, it’s an exciting time as we’re redefining ourselves into a digital first and engineering led organisation, with the quality of our engineering team being a key differentiator. As a Senior Software Engineer , your ...

Senior Software Engineer (DevOps) Department: Delivery Employment Type: Full Time Location: London Reporting To: Chris Nickson Description Sabio Group is a trusted expert in Contact Centre, AI and Data. We design, build and run automation-led customer experiences for leading brands, combining deep domain expertise with modern … curious and outcomes-driven, and we invest in people who want to learn and grow in a supportive, inclusive environment. Role Purpose As a Senior Software Engineer within the AI Practice, you will play a key hands‐on role in designing, building and operating secure, scalable ...

Senior Software Engineer (Python) Hybrid London (2 days/week) Up to £100,000 + Benefits We're hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad-fraud prevention platform used globally. This … senior IC role for engineers who enjoy ownership, solving complex problems, and setting a high bar for engineering quality. What you'll do: Lead delivery of complex, cross-service features Make pragmatic architecture and design decisions Own services end-to-end, including performance, reliability, and incident response Set standards ...

Senior Software Engineer page is loaded## Senior Software Engineerlocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: JR0572Job Advert Summary**Mission Statement & Summary**NewDay is one of the UK's leading digital consumer finance providers. We're on a mission to help people move … brand credit cards like **Aqua, Marbles** or **Bip,** or our co-branded retail credit cards with **John Lewis & Partners, Argos** and **AO**.As a Senior Software Engineer, you play a pivotal role in designing, developing, and maintaining high-quality software solutions. You collaborate closely with cross ...

Senior Software Engineer - Platform Runtime London About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across … manufacturing, and operations — empowering engineers to push the boundaries of possibility. Our customers include leading innovators in Aerospace & Defense, Materials, Energy, Semiconductors, and Automotive. Senior Software Engineer – Platform Runtime London (Hybrid) | Engineering | Full Time The Role PhysicsX is developing a platform used by Data Scientists and Simulation ...

Senior Software Engineer, Total Fund Management Trading, Public Markets Technology page is loaded## Senior Software Engineer, Total Fund Management Trading, Public Markets Technologylocations: Londontime type: Full timeposted on: Posted Todaytime left to apply: End Date: May 31, 2026 (30+ days left to apply … passion for performance, value a collegial and collaborative culture, and approach work with the highest integrity, invest your career here.**Role Summary:**As a Senior Software Engineer in the Total Portfolio Management, Public Markets Technology Team you will design, build, test and support value-add technology solutions ...

Senior Software Engineer, Total Fund Management Trading, Public Markets Technology page is loaded## Senior Software Engineer, Total Fund Management Trading, Public Markets Technologylocations: Londontime type: Temps pleinposted on: Publié il y a 2 jour(s)time left to apply: Date … appréciez une culture collégiale et collaborative, et abordez votre travail avec la plus grande intégrité, investissez votre carrière ici.**Résumé du poste:**As a Senior Software Engineer in the Total Portfolio Management, Public Markets Technology Team you will design, build, test and support value-add technology solutions ...

Senior Software Engineer Department: Tech Hub Employment Type: Full Time Location: London, England, United Kingdom Compensation: circa £70,000 Description Contract type: Permanent Hours: 37.5/week Salary: circa £70,000 depending on experience Location: London, Canary Wharf WFH policy: Employees are required to attend the office … days/week Flexible working: Variety of flexible work patterns subject to line manager discretion e.g. Compressed 9-day fortnight. Reports to: Software Engineering Manager Deadline Note: We reserve the right to close the advert before the advertised deadline if there are a high volume of applications. Role Summary ...

Senior Software Engineer Department: Technology Employment Type: Permanent Location: Any UK Office Hub (Bristol/London/Manchester/Swansea) Compensation: £50,000 - £70,000/year Description Made Tech is on a mission to use technology to improve society - for everyone. We help public sector organisations … exciting), so we are looking for people who enjoy this challenge, and want to help others thrive too. About the role Are you a Software Engineer that wants to actually see the real‐world impact from what you help to create? Our mission is simple! We believe ...

Role: Senior Software Engineer Department: Engineering Location: UK - London Reports into: Lead Software Engineer About the role: Disguise is looking for a senior software engineer who considers themselves to be a generalist programmer. The successful applicant will enjoy working at the cutting … edge of their industry, providing software for demanding end users. They will be an exceptional engineer with proven experience using C++ who is excited to improve the product and their own skill‐set by applying good development practices. Development is conducted in small, highly focused teams of engineers ...

Senior Software Engineer (Full Stack) We are seeking an enthusiastic and ambitious Senior Software Engineer with a keen eye for quality to join our growing Engineering function. You will be joining our Payments squad, responsible for building out our cross‐market flexible Payments capability. … shape our ways of working and our approaches to LLM‐based tooling. In this role, you’ll get to: Design, implement and deliver software features with full ownership from start to finish. Collaborate as part of a close & multi-disciplinary team. Your work will have meaningful and measurable impact ...

Senior Software Engineer (Backend)London - Hybrid (3 days in office) Up to £85k + benefits What if the systems you built were used every day by millions of readers around the world? A long-established, AI-driven technology business is hiring a Senior Software Engineer … machine-learning-led products that operate at scale, helping publishers make smarter decisions around content, engagement, and audience growth. This is a hands-on senior role within a strong London-based engineering team, focused on backend systems at the core of the platform. The role Build and evolve backend ...

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 ...

Senior Software Engineer, Agent Endpoint DLP LONDON, United Kingdom Job Info Job Identification 22522 Job Category Software Development Posting Date 03/31/2026, 05:37 PM Locations LONDON, United Kingdom Job Schedule Full time Job Description Senior Software Engineer, Agent Endpoint … intersection of networking and security. At Fortinet, our mission is to safeguard people, devices, and data everywhere. We are currently seeking an experienced Software Engineer to contribute to the success of our rapidly growing business. You will work in our Cyber R&D team, and use your knowledge ...

Senior Software Engineer - iOS Join us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and scaling systems that serve millions … resilient infrastructure and marketplace optimisation, we design, build and operate technology that powers Deliveroo’s growth at scale. We’re looking for a Senior Software Engineer - iOS to join our London team. In this role, you’ll help us evolve our mobile architecture and deliver seamless, high ...

Senior Software Engineer, Unified Platform (Reference Data) Job Location: London Employment type: Regular Department: Technology Targeted Start Date: Immediate We are seeking a Senior Software Engineer to join our Unified Platform (UP) organization. UP consolidates data and technologies into a comprehensive solution, accelerating time … market. As a Software Engineer on one of the Unified Platform teams, you'll be part of a tight-knit team of software engineers working closely with internal users (analysts, quants, traders) to develop innovative systems that enable research and trading. You'll experiment with emerging technologies ...