1 to 25 of 357 Permanent Senior Software Engineer Jobs in London

Senior Software Engineer A fantastic opportunity for a Senior Software Engineer to join a world-class technology company developing advanced AI-driven software solutions. Working within an exceptional engineering environment, you will play a key role in designing, building and enhancing highly sophisticated … software platforms that solve complex real-world problems. This organisation is known for attracting some of the brightest technical minds in the industry and places a strong emphasis on both academic excellence and engineering capability. Location: Cambridge or London (minimum 2 days per week in the office) Salary ...

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. ...

Senior Software Engineer London (Hybrid) £90,000 - £100,000 Here at Data Idols, we're working with an innovative technology business that is scaling a cutting-edge AI-powered platform used by enterprise clients globally. As the platform continues to grow, they're looking for a Senior Software Engineer to play a key role in shaping its future architecture, scalability and technical direction. This is an opportunity to join a high-performing engineering team where you'll have genuine influence over architecture, technology decisions, product direction and engineering standards. The Opportunity As a Senior ...

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/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 (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 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 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 ...

Join our Integrations Squad! We are growing our engineering team at the company and are looking to welcome a Senior Software Engineer into our B2B Integrations Squad! About the Team and Mission: The Integrations Squad's mission is to empower businesses of all sizes—from sole traders … global enterprises—to seamlessly incorporate the company into their customer feedback workflows. As a Senior Software Engineer, you will be instrumental in overseeing the health and evolution of 20+ distinct integrations (including Shopify, Salesforce, and HubSpot), improving scalability whilst optimising for future growth. You will join ...

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, 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 ...

## Senior Software Engineer (Go-Lang)Applylocations: Londontime type: Full timeposted on: Posted Todaytime left to apply: End Date: June 21, 2026 (13 days left to apply)job requisition id: 155759**End Date**Saturday 20 June 2026**Salary Range**£76,760 - £115,140**We support flexible working … click here for more information on flexible working options****Flexible Working Options**Hybrid Working, Job Share**Job Description Summary**.**Job Description****Job Title:** Senior Software Engineer – Golang **Location:** London **Salary:** £76,760 - £95,950 **Hours:** Full time **Working Pattern**: Our work style is hybrid, which involves ...

Senior Software Engineer Location: London, UK Working Environment: Hybrid (2 days on-site per week) The company is a leading financial data and analytics company and looking to hire a Senior Software Engineer with experience of working on the development of cloud databases. … Design, analysis and implementation of features in the data distribution platform. Ensure system reliability by implementing company and industry best practices. Implement workflow management software to automate operational tasks and optimize the utilisation of infrastructure and applications. Design and implement CI/CD workflows to maintain software quality ...

Senior Software Developer, AI Engineering (London) – COR7550 Are you a Software Engineer with a passion for AI and building scalable systems from the ground up? This is a rare opportunity to join as an early member, shaping both the technology and the engineering of an ambitious … product! The Role As a Senior Software Engineer, you’ll play a pivotal role in designing and delivering a modern, AI-driven platform. Your work will span multiple areas, from developing intelligent systems and data pipelines to contributing to scalable SaaS infrastructure. You’ll help define architecture ...

Time - City of London & Greater London Grade: 3A Reporting Line: Digital Engineering Manager Contract Type: Permanent Location: London/Remote What to expect The Senior Software Engineer is a key member of the Digital team, responsible for contributing to the delivery of functional objectives, always modelling … Post Office behaviours, and demonstrating a Postmaster first mindset. Acting as a trusted advisor, the Software Engineer will share their expertise in web development, demonstrating best practice across Digital delivery. As a Senior Software Engineer, you will play a pivotal role in delivering and supporting ...

Senior Software Engineer (Cloud Infrastructure & DevOps) Location: London (Three days in office, two days wfh) Salary: £80,000 to £100,000 + Bonus My client is seeking a Senior Software Engineer to lead our cloud infrastructure and DevOps practices within the Developers' Team. They … DevOps expert Be one of the leaders in the migration toward microservices and ephemeral architecture Lead in infrastructure as code in sync with our Senior colleagues Establish and maintain CI/CD pipelines for the team's data and application projects, in particular for stg/prod Lead ...

Senior Software Engineer Department: Technology Employment Type: Permanent - Full Time Location: London Reporting To: David Stevenson Description We are looking for a Senior Software Engineer to join our engineering team and take a lead role in designing, building, and evolving our online systems … ability to lead an engineering team through a full delivery cycle — from technical design to release — while maintaining momentum and quality. Strong understanding of software engineering fundamentals: algorithms, data structures, system design, testing, and operational concerns (monitoring, alerting, incident response). Experience working in an agile, fast‐paced product ...

everyone, everywhere. Job Description We are expanding our Middle East and Africa (MEA) expansion team and are looking for ambitious and highly skilled Senior Software Engineers to join the engineering team. You will play a crucial role in expanding our product offerings across the MEA region, covering Onboarding … region, while collaborating closely with our global teams, including helping to shape our global KYC/KYB and money movement systems. As a Senior Software Engineer in one of the MEA teams, you will be a core contributor focused on building robust and scalable capabilities for Consumer ...