Permanent Senior Software Engineer Jobs in London

1 to 25 of 84 Permanent Senior Software Engineer Jobs in London

Senior Software Engineer - eDV Cleared

London, South East, England, United Kingdom
Searchability NS&D
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 up to £100,000 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. Due to the nature of the work you must hold enhanced DV Security Clearance. WHAT WILL … THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. More ❯
Employment Type: Full-Time
Salary: £45,000 - £100,000 per annum
Posted:

Senior Software Engineer - eDV Cleared

London, United Kingdom
NSD
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 up to £100,000 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 National Security client in central London. Due to the nature of the work you must hold … enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer

London, South East, England, United Kingdom
Noa Recruitment
Senior Software Engineer - Remote UK - £85000 What is in it for you? As a talented Senior Software Engineer you can expect: A supportive and adaptive culture Access to a structured training and career progression plan Opportunities to take the lead on critical projects and enhance your career Great salary - Up to £85,000 base … and Package (neg for the right person) We are helping an innovative technology business scale their Software team in in the UK. Their software powers some of the worlds leading consumer brands across the digital commerce and retail experience software space. Due to continued growth and demand for their products they now urgently need a Senior Software Engineer to join their team. Your role will be to focus mainly on backend engineering within their AI product suite. This role would suit a Senior Software Engineer who has a background in AI engineering or a deep passion for AI. This role is Remote within the UK - the team do meet in More ❯
Employment Type: Full-Time
Salary: £75,000 - £85,000 per annum
Posted:

Senior Software Engineer

Greater London, Colliers Wood, United Kingdom
Noa Recruitment Ltd
Senior Software Engineer - Remote UK - £85000 What is in it for you? As a talented Senior Software Engineer you can expect: A supportive and adaptive culture Access to a structured training and career progression plan Opportunities to take the lead on critical projects and enhance your career Great salary - Up to £85,000 base … and Package (neg for the right person) We are helping an innovative technology business scale their Software team in in the UK. Their software powers some of the worlds leading consumer brands across the digital commerce and retail experience software space. Due to continued growth and demand for their products they now urgently need a Senior Software Engineer to join their team. Your role will be to focus mainly on backend engineering within their AI product suite. This role would suit a Senior Software Engineer who has a background in AI engineering or a deep passion for AI. This role is Remote within the UK - the team do meet in More ❯
Employment Type: Permanent
Salary: £75000 - £85000/annum package
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Fyre Global Limited
Senior Software Engineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join a small … based in the London City Centre thats building products to make sense of massive data streams. Youll be part of a tight-knit team (around ten people total, five software engineers), working on a genuinely greenfield platform with a modern stack and zero legacy The focus now is on maturing the codebase re-architecting, refactoring, testing, and scaling. As … a Senior Software Engineer, youll play a key role in helping the team evolve from early-stage speed to long-term stability, with the freedom to influence both product direction and engineering qualit What youll be doing: Building and scaling a Node.js application that sits at the core of the product Designing and implementing new features for More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer

London Area, United Kingdom
RedCat Digital
Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Senior Software Engineer will build innovative next-gen solutions that are at the forefront of the industry. In this role, the Senior Software Engineer will be given full autonomy, taking ownership from … as well as some frontend too if you like. This area is the future of the company (and the industry!) and as such has strong investment and visibility. The Senior Software Engineer will be responsible for leading the design, build and deployment of industry leading software solutions. You’ll work in collaboration with product, design and … the wider engineering team to improve and scale existing features, as well as build brand new ones. The Senior Software Engineer will have: • Strong backend or full-stack software development experience • Strong backend coding experience, ideally in either Golang (Go) or Java • Any front end experience is a bonus (e.g. React), but not a must-have More ❯
Posted:

Senior Software Engineer (TypeScript, Node, AWS)

London Area, United Kingdom
Oliver Bernard
Senior Software Engineer (TypeScript, Node, AWS) Salary: Up to £110k plus equity Location: 3 days p/week in London Senior Software Engineer (TypeScript, Node, AWS) - would you like the opportunity to work for a start-up within the energy space? This is an exciting opportunity for a Senior Software Engineer … to join an organisation, where you will work directly with their highly experienced Head of Engineering. This opportunity is suitable for someone with a product focused mindset. As a Senior Software Engineer, you will take ownership of designing, building, and maintaining cutting-edge solutions. You will also play a crucial role ensuring accuracy, scalability, and reliability. Requirements … At least 5+ years of Node experience Proven track record of architecting complex and scalable solutions AWS If you're an experienced Senior Software Engineer (TypeScript, Node, AWS) looking for their next challenge, please apply. More ❯
Posted:

Senior Software Engineer

London, United Kingdom
Tokio Marine HCC
Senior Software Engineer page is loaded Senior Software Engineerlocations: UK - London (20 Fenchurch)time type: Full timeposted on: Posted Todayjob requisition id: 2025-811 Job Title: Senior Software Engineer (Python) Reporting to: Lead Software Engineer Direct Reports: N/A Position Type: PermanentStanding still is not an option in the … solutions which delight underwritersAbout the OpportunityThe London Market Underwriting & Reinsurance Performance team consists of Actuaries, Reinsurance Specialists and Engineers reporting into the Chief Underwriting Officer (London Market).As a Senior Software Engineer with experience of Agile and DevOps working within the Underwriting Performance Innovation team, you will research, design, test, develop and support software solutions to … an Actuarial Model Management platform, working closely with the central Innovation & Analytics function to define our developing Data Platform and identify opportunities to demonstrate its value.Core Responsibilities Collaborate with software engineers, data engineers, and underwriters to define and deliver the future of Property & Casualty underwriting at TMHCC International Continually improve ways of working, responding to change and maintaining focus More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, South East, England, United Kingdom
Hybrid/Remote Options
Arc IT Recruitment
Senior Software Engineer, .Net London Permanent To £95k + bonus + benefits Senior Software Engineer, .NET Remote/London to £95k + bonus + benefits .Net, Back End, Azure, microservices Senior .NET Software Engineer is required by fintech company who provides cutting-edge systems to the Banking and Financial Services sector. … We are seeking a skilled Senior Software Engineer with extensive .NET experience to become a member of their vibrant team and help them achieve their development goals. You will work on the planning, design, and management of their Back End development in your role as a Senior Software Engineer. To deliver great solutions, we are More ❯
Employment Type: Full-Time
Salary: £90,000 - £95,000 per annum
Posted:

Senior Software Engineer I London

London, United Kingdom
Hybrid/Remote Options
Checkout Ltd
Senior Software Engineer I page is loaded Senior Software Engineer I Apply locations London time type Full time posted on Posted Yesterday job requisition id R7649 Company Description We're - you might not know our name, but companies like eBay, ASOS, Klarna, Uber Eats, and Sony do. That moment when you check out online … and our partners. And we need your help. Join us to build the digital economy of tomorrow. Job Description Global payments are complex and ever-evolving. At Checkout our software engineers develop the next-generation payments technologies that enable our Merchants to boost their acceptance rates, cut processing costs, fight fraud, and create cutting edge technology that enables extraordinary … customer experiences. We're looking for Senior Software engineers who bring fresh ideas, have a curious nature and are passionate about working in an Engineering environment which focuses on building products to achieve the company's strategic goals. You'll get to work with teams from across 's portfolio of products and services who all have a real More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

South West London, London, United Kingdom
Hybrid/Remote Options
Anson Mccade
Senior Software Engineer £80000-100000 GBP Equity Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Senior Software Engineer - SaaS and Payments London (4 days onsite) £80,000 to £100,000 base plus package A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing … their engineering team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. As a software engineer … CD pipelines, testing and version control practices Solve complex technical problems and deliver simple, user-friendly solutions Collaborate closely with product managers, designers and engineers to ship high-quality software Bring your experience in SaaS and payments to influence product and architecture decisions We are looking for someone with: A minimum of 5+ software engineering experience, ideally including More ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Software Engineer

City, London, United Kingdom
Fyre Global Limited
Senior Software Engineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join a small More ❯
Employment Type: Permanent
Salary: GBP 100,000 Annual
Posted:

Senior Software Engineer (Tech Lead)

London, United Kingdom
Hybrid/Remote Options
Edenred
Senior Software Engineer (Tech Lead) page is loaded Senior Software Engineer (Tech Lead)locations: United Kingdom - London - Paddington (PPS)time type: Full timeposted on: Posted Todayjob requisition id: JR017336Take a step forward and let Edenred surprise you.Every day, we deliver innovative solutions to improve the life of millions of people, connecting employees, companies, and … of discrimination and to providing all our candidates with equal opportunities regardless of their gender and gender expression, disability, origin, religious belief and sexual orientation or any other criteria. Senior Software Engineer (Tech Lead) - Edenred Paytech Location: Hybrid (London or Swindon office with remote flexibility) Salary: Competitive, with performance-based bonus and comprehensive benefits Contract Type: Full … of scalable, secure, and high-performing systems. Role Overview As Tech Lead, you will be responsible for the technical leadership of a cross-functional agile team. You will guide software architectural decisions, contribute hands-on to development, mentor engineers, and ensure the delivery of robust software aligned with business objectives. Key Responsibilities Lead the design and development of More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Embedded Software Engineer

London, United Kingdom
Hybrid/Remote Options
Stackstudio Digital Ltd
Job Title: Senior Embedded Software Engineer Location: London (Hybrid- 1-2 Days) Duration: Fixed term contract Job Overview: Scope of Work Client is seeking a Senior Embedded Software Engineer to support development activities for a complex Adaptive SoC design targeted toward a high-speed networking application . This engagement will be for an initial … term of six (6) months , with the potential for extension based on project needs and performance. Role Required Senior Embedded Software Engineer Scope of Work The selected engineer will be responsible for developing, integrating, and debugging embedded software running on an Adaptive SoC platform. The work will involve bare-metal environments, embedded Linux, RTOS development … and high-speed networking protocol integration. Responsibilities include, but are not limited to: Designing, implementing, and testing embedded software components Integrating software on complex SoC architectures Leveraging co-simulation, emulation, and hardware-based debug Supporting bring-up and validation of high-throughput networking interfaces Participating in CI/CD workflows and Git-based development processes Collaborating with AMD More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer - eDV Cleared

London, United Kingdom
NSD
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 up to £100,000 plus clearance bonus London based organisation More ❯
Employment Type: Permanent
Salary: GBP 100,000 Annual
Posted:

Senior Software Engineer, Product Security Engineering

London, United Kingdom
London Stock Exchange Group
Senior Software Engineer, Product Security Engineering page is loaded Senior Software Engineer, Product Security Engineeringlocations: London, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: RThe LSEG DevSecOps Engineering team inside the cyber security division is looking for Senior Software Engineers to build tools and automations to help secure software development for thousands of developers across the group. You will be working as part of a geographically distributed remote team comprising of security engineers and software engineers. Our team's mission is to allow engineers to embed security best practices frictionlessly as part of their day to day work. The ideal candidate will have the following skills: Deep … understanding of cyber security principles, secure software development, and threat modeling Experience conducting security assessments, code reviews, and vulnerability management across diverse technology stacks Experience in building full-stack products (web applications, APIs, CI tooling or low-level software) Hands-on experience with cloud technologies (AWS, GCP, Azure) and containers (Docker, Kubernetes), with a focus on security Familiarity More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

london, south east england, united kingdom
Hybrid/Remote Options
Soda Data
Soda - creators of the Soda Core - are looking for a Senior Software Engineer (Data and Backend) to help improve our Open Source and Cloud products. We're moving in an exciting new direction, and we need your help. If you're a software engineer who thrives on tackling large-scale challenges and wants to build … Data Engineering, Data Governance, and business use cases. Our open-source project, Soda Core, is already used by companies like Tesla, Slack, Adyen, Walmart, and JPMC. Soda commercializes its software through the Soda Cloud product. We're well-funded, with investors like Point 9 Capital, Hummingbird, Singular, and Eurazeo. About the Role We are looking for a Senior Software Engineer (Data & Backend) to join our distributed engineering team. You will design, build, and operate the backend and data systems that power both Soda Cloud and Soda Core. You will work in an environment that combines Java-based backend components with Python-based data engineering tooling. As one of your first projects, you will improve how More ❯
Posted:

Senior Software Engineer

london, south east england, united kingdom
Hybrid/Remote Options
Mention Me
Who we are Hi, I'm Sheamus, the Senior Tech Lead at Mention Me and I'm hiring Before I tell you more about the role, here's a little bit about Mention Me and what we do: At Mention Me, we pride ourselves in providing end-end acquisition solutions to our customers through our leading AI-powered referral … a Mentioneer means you'll be joining a driven team, with big plans, at a genuinely exciting time for our business. The role We're looking for an enthusiastic Senior Software Engineer to contribute to our leading SaaS platform. We power customer referral programs for hundreds of brands and have recently introduced an exciting Influencer Management product … brands. Our world-class programmes have delivered more than 6 million referrals totalling $2 billion in revenue for 500+ brands around the globe. You will be working with other Senior Engineers, Data Engineers, Product Managers and our Data Science team to build features that will delight our customers. We empower engineers to work with other experts across the business More ❯
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid/Remote Options
Anson Mccade
Senior Software Engineer £80000-100000 GBP Equity Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Senior Software Engineer - SaaS and Payments London (4 days onsite) £80,000 to £100,000 base plus package A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer Tech Group - FTC [UK]

West London, London, United Kingdom
Hybrid/Remote Options
Spyrosoft Ltd
Location London Hybrid 1-2 days a week in the office eligibility to work in the UK Role Overview We are looking for a passionate Senior Software Engineer who lives and breathes Java development to join us working with our media client. You will make a key contribution to the entire development lifecycle including new writing features … fixing bugs and performing code reviews. You will have the opportunity to lead the design and development of high quality software solutions and tools to meet business needs, collaborate with Principle Engineers and Architects to define best practices, write clean/efficient code following good design patterns, lead research activities such as technical spikes, lead troubleshooting and issue resolution … have developed CI pipelines be confident deploying code to production systems be an excellent communicator and enjoy team collaboration some experience in AWS CDK (desired) have solid understanding of software development principles, best practices and Agile methods (desired) have developed non-functional concerns e.g. integration with monitoring/alerting tools, security tools and practice (desired) have a strong willingness More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Senior Golang Software Engineer - AI Scale-up - Voice AI (Permanent - flexible salary)

City, London, United Kingdom
Ventula Consulting
Senior Golang Software Engineer - AI Scale-up - Voice AI (Permanent - flexible salary) Senior Golang Software Engineer is now required by an Innovative AI scale up to build the strategic architecture platform for their AI product offering This role will be responsible for building a stable and replicable architecture for their core application, focusing on … application journey. Implement secure on-device storage for sensitive data. Collaborate with Back End engineers to successfully integrate RESTful APIs for data collection and AI services. Key Requirements: Strong Senior Software Engineer experience Exceptional Go/Golang skills Experience working across low-latency and zero trust platforms Experience across more than 1 cloud platform (AWS, Azure and More ❯
Employment Type: Permanent
Salary: GBP 150,000 - 180,000 Annual
Posted:

Senior Software Engineer Hybrid /London Central

London, United Kingdom
Hybrid/Remote Options
Akkodis
Job Title: Senior Software Engineer Location: London (Hybrid: 2-3 days/week in office) Contract Type: Permanent Salary: up to £100,000(DOE) About the Role We're looking for a skilled and experienced Senior Software Engineer to join a fast-paced, product-focused team building innovative technology that delivers real impact. You … where you'll be empowered to make technical decisions, mentor others, and help shape the future of a platform used by thousands. Key Responsibilities Design, build, release, and monitor software systems end-to-end Collaborate with product, design, and data teams to deliver user-focused features Provide technical leadership and mentorship to other engineers Use data to inform decisions More ❯
Employment Type: Permanent
Salary: £80000 - £100000/annum
Posted:

Senior Software Engineer Hybrid /London Central

London, South East, England, United Kingdom
Hybrid/Remote Options
Akkodis
Job Title: Senior Software Engineer Location: London (Hybrid: 2-3 days/week in office) Contract Type: Permanent Salary: up to £100,000(DOE) About the Role We're looking for a skilled and experienced Senior Software Engineer to join a fast-paced, product-focused team building innovative technology that delivers real impact. You … where you'll be empowered to make technical decisions, mentor others, and help shape the future of a platform used by thousands. Key Responsibilities Design, build, release, and monitor software systems end-to-end Collaborate with product, design, and data teams to deliver user-focused features Provide technical leadership and mentorship to other engineers Use data to inform decisions More ❯
Employment Type: Full-Time
Salary: £80,000 - £100,000 per annum
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid/Remote Options
Leo Technology
The Job: Job Title: Senior Software Engineer Industry: Enterprise SaaS (Retail) Tech Stack: Golang, Kubernetes, Cloud Run, Pub/Sub, SpannerDB, GCP Working Set-Up: Remote first with occasional visits to London or Manchester offices ( Please note - candidates for this role must be UK based) Salary - £85,000 p/a + discretionary 10% bonus Interview process … team! This multinational company are the market leaders in retail loyalty solutions. With an enterprise client base including Sainsburys, Tesco, Walmart, Woolworths, and Asda, they're looking for a Senior Software Engineer to join their team and help them through their journey of evolving from a traditional PHP/MySQL monolith to a cloud-native architecture on More ❯
Employment Type: Permanent
Salary: £85,000
Posted:

Senior Software Engineer

London, South East, England, United Kingdom
Hybrid/Remote Options
Leo Technology Limited
The Job: Job Title: Senior Software Engineer Industry: Enterprise SaaS (Retail) Tech Stack: Golang, Kubernetes, Cloud Run, Pub/Sub, SpannerDB, GCP Working Set-Up: Remote first with occasional visits to London or Manchester offices ( Please note - candidates for this role must be UK based) Salary - £85,000 p/a + discretionary 10% bonus Interview process … team! This multinational company are the market leaders in retail loyalty solutions. With an enterprise client base including Sainsburys, Tesco, Walmart, Woolworths, and Asda, they're looking for a Senior Software Engineer to join their team and help them through their journey of evolving from a traditional PHP/MySQL monolith to a cloud-native architecture on More ❯
Employment Type: Full-Time
Salary: £75,000 - £85,000 per annum
Posted:
Senior Software Engineer
London
10th Percentile
£80,000
25th Percentile
£87,500
Median
£100,000
75th Percentile
£118,750
90th Percentile
£135,000