1 to 25 of 48 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 07704 152 640/0203 854 0120 or email WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading ...

Senior Software Engineer with a solid Python, Node.js, Typescript and Terraform experience ideally gained in a product lead, scale up environment is sought by a high growth B2B generative AI scale up based in central London. Working at the bleeding edge of generative AI this Senior Software Engineer will play a key role in greenfield innovation utilising the latest technology to design and implement new solutions within the existing platform. This role would suit an Engineer with a solid product engineering and a real passion for generative AI solution development ...

Senior Software Engineer (Backend-leaning Full Stack) | Central London (2 days p/w in office) | Up to £100k + Equity Our client, an innovative technology scale-up in the insurance services space, is looking to strengthen their engineering team with an experienced Senior Software … delivers real-world impact, with a strong focus on automation, operational efficiency, and high-quality product experiences. The Role They're looking for a Senior Software Engineer who thrives in product-led environments and enjoys solving ambiguous, real business problems. This is a high-impact role where ...

Senior Java Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Type: Permanent Security Clearance: SC cleared/eligible Use your engineering expertise to improve services that millions rely on. We're hiring a Senior Software Engineer to join a mission … high-quality engineering, enjoy mentoring others, and want your work to have real public impact, this role is for you. The Role As a Senior Software Engineer (Full Stack) you'll design, build and deploy scalable, secure and well-tested software solutions. You'll contribute ...

Software Engineer (Mid–Senior) Python Full Stack A fast-growing, technology-led consumer health & beauty scale-up is looking for a mid-level to senior Software Engineer to join its collaborative engineering team. The business builds and operates multiple direct-to-consumer brands, supported … opportunity to influence architecture, tooling, and engineering best practices as the platform continues to scale. This is a great opportunity for an engineer who enjoys ownership, autonomy, and seeing their work have real-world impact. What you’ll be doing as a Software Engineer Designing, building ...

Senior Software Engineer - Python - London Salary: Up to £90,000 Location: Hybrid 2 days per week in Canary Wharf (E14) Contract: Permanent, Full Time Interviews: WC 9th February Agency Partner: dcoded The Business dcoded are partnering with a high-growth Real-Time Data SaaS business based … data at scale, supporting: The business is entering a significant growth phase and is expanding its engineering team. The Role We are hiring a Senior Software Engineer to work on external, customer-facing SaaS platforms not internal IT systems. This is a hands-on role covering ...

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 ...

Software Engineer (MidSenior) Python Full Stack A fast-growing, technology-led consumer health & beauty scale-up is looking for a mid-level to senior Software Engineer to join its collaborative engineering team. The business builds and operates multiple direct-to-consumer brands, supported … opportunity to influence architecture, tooling, and engineering best practices as the platform continues to scale. This is a great opportunity for an engineer who enjoys ownership, autonomy, and seeing their work have real-world impact. What youll be doing as a Software Engineer Designing, building, and deploying ...

Senior Software Engineer Hybrid (2-3 days onsite, Central London) | £75,000 - £85,000 + benefits A high-growth technology company operating at the intersection of real-time data, analytics, and cutting-edge product development is entering an ambitious expansion phase and is looking to hire … Senior Software Engineer to play a key role in its next stage of growth. This is an opportunity to work on mission-critical, real-time systems used at scale, with genuine ownership across architecture, development, and delivery. The role is hands-on, commercially focused, and suited ...

Senior Software Engineer Hybrid (2-3 days onsite, Central London) | £75,000 - £85,000 + benefits A high-growth technology company operating at the intersection of real-time data, analytics, and cutting-edge product development is entering an ambitious expansion phase and is looking to hire … Senior Software Engineer to play a key role in its next stage of growth. This is an opportunity to work on mission-critical, real-time systems used at scale, with genuine ownership across architecture, development, and delivery. The role is hands-on, commercially focused, and suited ...

Senior Software Engineer Hybrid (2-3 days onsite, Central London) £75,000 - £85,000 + benefits A high-growth technology company operating at the intersection of real-time data, analytics, and cutting-edge product development is entering an ambitious expansion phase and is looking to hire … Senior Software Engineer to play a key role in its next stage of growth click apply for full job details ...

Senior Software Engineer - SC Cleared Location: London (Hybrid/On-site) Salary: Up to £100,000 (dependent on experience) Clearance: Active SC clearance (willing and eligible to go through DV) To Apply: Email An opportunity for a senior software engineer to work alongside security … researchers on technically challenging problems with real-world impact. The role involves developing complex software used to analyse, interact with, and expose unintended behaviour in a wide range of platforms and systems. You'll gain deep exposure to operating system internals and unconventional environments, with a strong focus ...

Title : Senior Software Engineer (Compilers) Company : HPC & AI Location : London (primarily remote) Compensation : Up to £190,000 Company : An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined … technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position with an emphasis on AI Compiler development. You will be a significant hire and will own much ...

Title : Senior Software Engineer (GPU Drivers) Company : AI Acceleration Location : London (very flexible WFH) Pay : Up to £160,000 + bonus and benefits Company : An advanced HPC R&D firm, looking to expand their GPU Driver team. Most of the team are ex-Big-Tech, ex-FAANG … technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position. You will be a significant hire spearheading much of their 2025 development. Much of the team will be built ...

build real world value. Are you ready to elevate your career? At Ripple Labs Inc., we offer an outstanding opportunity for a Senior Software Engineer to join our top-tier team in London. As a part of our dynamic and ambitious group, you will play … role in crafting and developing groundbreaking software solutions that drive innovation and success! Responsibilities As a Senior Software Engineer, you will: Design, develop, and implement software systems that meet meticulous quality standards. Work with diverse teams to define technical needs and deliver impeccable solutions. Lead ...

Senior Software Engineer - SC Cleared Location: London (Hybrid/On-site) Salary: Up to £100,000 (dependent on experience) Clearance: Active SC clearance (willing and eligible to go through DV) To Apply: Email An opportunity for a senior software engineer to work alongside security ...

Senior Backend Software Engineer (Python) Blockchain/Web3 Remote £50-£80k An ambitious Web3 and blockchain-focused team working to create more equitable ownership and compensation models, particularly within gaming. They collaborate closely with leading Layer 1 protocols to deliver secure, scalable infrastructure and provide global economic … opportunities through blockchain technology. The Senior Software Engineer will build and maintain backend systems powering cutting-edge Web3 and gaming technologies. The role focuses on developing REST APIs using Python frameworks (such as Django or Flask) and integrating blockchain and Web3 game technologies as part ...

Software Engineer (MidSenior) Python Full Stack A fast-growing, technology-led consumer health & beauty scale-up is looking for a mid-level to senior Software Engineer to join its collaborative engineering team. The business builds and operates multiple direct-to-consumer brands, supported ...

Senior Software Engineer (Backend-leaning Full Stack) Central London (2 days p/w in office) Up to £100k + Equity Our client, an innovative technology scale-up in the insurance services space, is looking to strengthen their engineering team with an experienced Senior Software ...

Lead/Senior Software Engineer - Insurance Hybrid Working - City of London A growing specialist insurance underwriter focused on complex property and catastrophe-driven risks is bringing its technology capability in-house. This is a rare opportunity to join as the first in-house Software Engineer … pathway into future technical leadership. The Role Youll play a key role in modernising core systems, including rebuilding pricing engines and algorithms, while advising senior stakeholders and shaping long-term technical direction. What Youll Do Rebuild and enhance pricing systems and algorithms Design and develop full-stack solutions Contribute ...

Senior Java Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Type: Permanent Security Clearance: SC cleared/eligible Use your engineering expertise to improve services that millions rely on. We're hiring a Senior Software Engineer to join a mission ...

Lead/Senior Software Engineer - Insurance Hybrid Working - City of London A growing specialist insurance underwriter focused on complex property and catastrophe-driven risks is bringing its technology capability in-house. This is a rare opportunity to join as the first in-house Software Engineer ...

Senior Software Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 2 days in the office which is located near Liverpool Street £70,000 - £90,000 If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this … progression and the chance to help shape both the product and engineering direction. You'll be part of a bright, collaborative team of talented software engineers and academically strong problem-solvers who value clean design and thoughtful architecture. The Role As a Full Stack Engineer, you'll design ...

Senior Software Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 2 days in the office which is located near Liverpool Street £70,000 - £90,000 If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this … progression and the chance to help shape both the product and engineering direction. You'll be part of a bright, collaborative team of talented software engineers and academically strong problem-solvers who value clean design and thoughtful architecture. The Role As a Full Stack Engineer, you'll design ...

Senior Software Engineer – Python/React/Next.js (Agnostic Backend) £140,000–£200,000 Base + Serious equity Rare chance to join a very early stage AI platform that has just raised an unusually large Series A of close to $100 Million from tier one fintech ...