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 … goals. You'll get to work with teams from across 's portfolio of products and services who all have a real customer first philosophy. As a Senior Software engineer, you will lead and drive specific projects critical to Checkout's needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve. … We need our engineers to be versatile, display exceptional leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward. With your technical expertise you will lead project priorities, deadlines, and deliverables. You will design, develop, test, deploy, maintain, and enhance software solutions. What are we More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Oscar Technology
Remote (occasional trips to London office) Contract: 6-months (OIR35) Rate: £400-450 p/day Start date: Asap Key Responsibilities: Design, build, and maintain scalable microservices and full-stack applications. Engineer and manage cloud infrastructure (Azure as primary, AWS/GCP as secondary). Identify and implement cloud cost efficiencies while maintaining performance. … regulatory standards in sensitive industries. Provide senior-level support, troubleshooting, and performance monitoring with modern observability tools. Mentor and support junior engineers, collaborating with global teams. Required: Proven full-stack development expertise Node.js, TypeScript, JavaScript, and C#, .NET. Hands-on experience with cloud platforms (Azure preferred, AWS/GCP beneficial). Skilled in Kubernetes, Docker, Terraform More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
CACI Limited
Group (IIG) of CACI UK, a specialist software consultancy providing bespoke solutions to solve complex operational problems for our customers. As our business grows, we seek an experienced FullStack Software Engineer with expertise in Java to join a live project within our Central Government team. You will be based in Bristol, Cheltenham, Plymouth … clients (bi-weekly) are expected. The Opportunity: Our teams support customers on diverse, complex projects, building bespoke software solutions with up-to-date capabilities. As a Senior Software Engineer, you will join an Agile team and gain exposure to: Designing, developing, and testing software solutions Utilizing open-source libraries and components Using tools like GitLab for continuous integration … pipelines to monitor software quality and security Deploying systems across environments, including AWS and Azure cloud platforms Participating in the full software lifecycle: concept, requirements, architecture, implementation, delivery, training, support, and maintenance Leading teams and managing client engagement (depending on experience) The Fit: We are interested in FullStack Engineers with commercial experience in More ❯
inspired, connected, developed and rewarded here. Everything that makes you unique is welcome; join us and let's build what's next - together! Anaplan is looking for a Full-Stack Software Engineer within our Experience Engineering workstream to join our growing team of global engineers at our vibrant tech hub in the UK. You … your work is good to go to production every time we build. Liaise with product owners to set expectations and define acceptance criteria. Apply your experience across the fullstack as necessary. We recognise specialisms whilst valuing open-minded people who will step out of their comfort zone to complete their work and expand their skill More ❯
Sunderland, Tyne and Wear, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Software Engineer/Developer (C# TypeScript AWS) Sunderland/WFH to £55k Opportunity to progress your career in a hands-on Software Engineer role at a at a growing games/gambling site, whilst enjoying a range of benefits and perks. As a Software Engineer you'll build captivating fullstack … offices in Sunderland with a range of facilities and perks including free meals at the onsite restaurant as well as membership at onsite gym. About you: You have fullstack development experience including C# and TypeScript, ideally also Vue.js You have a good knowledge of AWS You have experience of building scalable, reliable and secure web … applications using modern techniques You have experience of implementing frontend applications You're collaborative with great communication skills What's in it for you: As a Software Engineer you will receive a competitive package: Competitive salary to £55k + quarterly bonus Holiday purchase scheme, plus an extra day for every your there (up to 5) Pension, Private medical More ❯
Leader in Microsoft Technology, Web, Mobile and Software Development Recruitment with specialist roles across the globe - www.pearsoncarter.com Keywords: .NET, ASP.NET, MVC, JavaScript, TypeScript, Azure, DevOps, MAUI, Mobile, Software Engineer, FullStack Software Engineer, Tyne and Wear, North East, United Kingdom, UK, UK Wide. More ❯
Leader in Microsoft Technology, Web, Mobile and Software Development Recruitment with specialist roles across the globe - www.pearsoncarter.com Keywords: .NET, ASP.NET, MVC, JavaScript, TypeScript, Azure, DevOps, MAUI, Mobile, Software Engineer, FullStack Software Engineer, Tyne and Wear, North East, United Kingdom, UK, UK Wide. More ❯
Leader in Microsoft Technology, Web, Mobile and Software Development Recruitment with specialist roles across the globe - www.pearsoncarter.com Keywords: .NET, ASP.NET, MVC, JavaScript, TypeScript, Azure, DevOps, MAUI, Mobile, Software Engineer, FullStack Software Engineer, Tyne and Wear, North East, United Kingdom, UK, UK Wide. More ❯
Founding Engineer London (Hybrid) Up to £80,000 + Equity I'm working with an ambitious early-stage startup on the hunt for a Founding Engineer to join their core team. This is a rare chance to come in at the ground floor of a venture-backed company that's already secured early traction and industry … technical vision, architecture, and scaling of the platform . Why this role? Impact: You'll be shaping the product and the company itself, not just the codebase. Ownership: Full control of the tech stack, from infrastructure through to architecture. Growth: Co-founder … level equity alongside salary. Mission: Building tech that transforms how Investor Relations teams operate in alternative asset management. What they're looking for: 4+ years' experience as a full-stackengineer in a fast-paced environment. Hands-on with Next.js, Typescript (React/Node), Tailwind, SQL (Prisma), and Azure . Bonus points for experience More ❯
Birmingham, West Midlands (County), United Kingdom
JJ Associates
Job Title: Full-stack development engineer Location: Remote and Birmingham Salary: £50-70k p.a. (commensurate with experience) + company package Our client, an asset management consulting organisation and IBM platinum partner, have identified a requirement for a fullstack developer to work with a specialist internal development group on More ❯
Employment Type: Permanent
Salary: £50000 - £70000/annum 25 days holiday, health pension
be working as part of a small, agile team, helping design and develop internal applications and new products using the latest .NET stack. This is a hands-on full-stack role, ideal for someone who enjoys solving business problems with clean, scalable code and mentoring junior team members. You will need to either hold current UK … Entity Framework Docker & AWS ECS Architecture & Design Event-driven architecture (e.g. RabbitMQ) RESTful APIs and microservices DevOps, Git, CI/CD pipelines Interested? Please apply below. Senior software engineer, senior .net developer, architect tire, design, .net Architect, software Architect, senior software developer, .NET, C#, angular, SQL, AWS, Docker, RabbitMQ, hybrid, Manchester, fullstack developer … software engineer, devops, professional services More ❯
be working as part of a small, agile team, helping design and develop internal applications and new products using the latest .NET stack. This is a hands-on full-stack role, ideal for someone who enjoys solving business problems with clean, scalable code and mentoring junior team members. You will need to either hold a current … Entity Framework Docker & AWS ECS Architecture & Design Event-driven architecture (e.g. RabbitMQ) RESTful APIs and microservices DevOps, Git, CI/CD pipelines Interested? Please apply below. Senior Software Engineer, Senior .Net Developer, Architect, tire, design, .net Architect, software Architect, senior software developer, .NET, C#, angular, SQL, AWS, Docker, RabbitMQ, hybrid, Manchester, fullstack developer … software engineer, devops, professional servicesd02fcfcb-6df4-40ee-95cf-3eb059ce3173 More ❯
Principal Software Engineer - Lead the Future of UK GovTech ?? Up to £95,000 + Elite Benefits ?? Remote First (Just 1 Day Onsite Every Fortnight) ?? SC Clearable - British Citizens Only Ready to lead innovation that matters? Join a mission-driven tech powerhouse where your code helps protect national interests, drive digital transformation, and shape the future of government technology. … We're looking for a Principal Software Engineer to architect cloud-native solutions, mentor brilliant engineers, and lead delivery across high-impact government programmes. This is your chance to combine deep technical expertise with strategic leadership in a collaborative, forward-thinking environment. You will need experience in Java, React.js and AWS to be successful in this position. ?? What … ll Be Doing Architect scalable, secure systems using modern cloud-native patterns Lead technical decision-making and Agile delivery Mentor engineers and collaborate with stakeholders Drive innovation across full-stack solutions ?? Your Toolkit Frontend: React.js (Hooks, Context API, Lifecycle) TypeScript & ES6+ Redux, Cypress, Jest Backend: Java 11+, Spring Boot RESTful APIs, Microservices PostgreSQL, Kafka Cloud & DevOps More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Computer Futures
Principal Software Engineer - Lead the Future of UK GovTech Up to £95,000 + Elite Benefits Remote First (Just 1 Day Onsite Every Fortnight)?? SC Clearable - British Citizens Only Ready to lead innovation that matters? Join a mission-driven tech powerhouse where your code helps protect national interests, drive digital transformation, and shape the future of government technology. … We're looking for a Principal Software Engineer to architect cloud-native solutions, mentor brilliant engineers, and lead delivery across high-impact government programmes. This is your chance to combine deep technical expertise with strategic leadership in a collaborative, forward-thinking environment. You will need experience in Java, React.js and AWS to be successful in this position. What … ll Be Doing Architect scalable, secure systems using modern cloud-native patterns Lead technical decision-making and Agile delivery Mentor engineers and collaborate with stakeholders Drive innovation across full-stack solutions Your Toolkit Frontend: React.js (Hooks, Context API, Lifecycle) TypeScript & ES6+ Redux, Cypress, Jest Backend: Java 11+, Spring Boot RESTful APIs, Microservices PostgreSQL, Kafka Cloud & DevOps More ❯
City of London, London, United Kingdom Hybrid / WFH Options
G.Digital
Founding Engineer/Technical Lead Location: Hybrid (London HQ + Remote role with occasional travel) MUST BE UK BASED Sector: HealthTech/Fitness/Wellbeing G.Digital are thrilled and excited to be working with this ambitious, early-stage tech company on a mission to reinvent how people experience personal training and wellbeing. They already have a proven desktop … to take things to the next level — launching a consumer app, scaling the technology, and building a product that truly changes lives. We’re looking for a Founding Engineer to join these guys and be part of a unique opportunity to combine hands-on coding with strategic vision , shaping the technical direction and building the engineering team from … Make technology decisions that balance speed, scalability, and security. Champion innovation: Stay across emerging tools and approaches, ensuring we always stay ahead of the curve. 🎯 About You Experienced full-stackengineer , confident in delivering complex mobile or web applications. Strong background in modern frameworks, cloud platforms (AWS/Azure/GCP), and scalable architecture More ❯
Founding Engineer/Technical Lead Location: Hybrid (London HQ + Remote role with occasional travel) MUST BE UK BASED Sector: HealthTech/Fitness/Wellbeing G.Digital are thrilled and excited to be working with this ambitious, early-stage tech company on a mission to reinvent how people experience personal training and wellbeing. They already have a proven desktop … to take things to the next level — launching a consumer app, scaling the technology, and building a product that truly changes lives. We’re looking for a Founding Engineer to join these guys and be part of a unique opportunity to combine hands-on coding with strategic vision , shaping the technical direction and building the engineering team from … Make technology decisions that balance speed, scalability, and security. Champion innovation: Stay across emerging tools and approaches, ensuring we always stay ahead of the curve. 🎯 About You Experienced full-stackengineer , confident in delivering complex mobile or web applications. Strong background in modern frameworks, cloud platforms (AWS/Azure/GCP), and scalable architecture More ❯
london, south east england, united kingdom Hybrid / WFH Options
G.Digital
Founding Engineer/Technical Lead Location: Hybrid (London HQ + Remote role with occasional travel) MUST BE UK BASED Sector: HealthTech/Fitness/Wellbeing G.Digital are thrilled and excited to be working with this ambitious, early-stage tech company on a mission to reinvent how people experience personal training and wellbeing. They already have a proven desktop … to take things to the next level — launching a consumer app, scaling the technology, and building a product that truly changes lives. We’re looking for a Founding Engineer to join these guys and be part of a unique opportunity to combine hands-on coding with strategic vision , shaping the technical direction and building the engineering team from … Make technology decisions that balance speed, scalability, and security. Champion innovation: Stay across emerging tools and approaches, ensuring we always stay ahead of the curve. 🎯 About You Experienced full-stackengineer , confident in delivering complex mobile or web applications. Strong background in modern frameworks, cloud platforms (AWS/Azure/GCP), and scalable architecture More ❯
slough, south east england, united kingdom Hybrid / WFH Options
G.Digital
Founding Engineer/Technical Lead Location: Hybrid (London HQ + Remote role with occasional travel) MUST BE UK BASED Sector: HealthTech/Fitness/Wellbeing G.Digital are thrilled and excited to be working with this ambitious, early-stage tech company on a mission to reinvent how people experience personal training and wellbeing. They already have a proven desktop … to take things to the next level — launching a consumer app, scaling the technology, and building a product that truly changes lives. We’re looking for a Founding Engineer to join these guys and be part of a unique opportunity to combine hands-on coding with strategic vision , shaping the technical direction and building the engineering team from … Make technology decisions that balance speed, scalability, and security. Champion innovation: Stay across emerging tools and approaches, ensuring we always stay ahead of the curve. 🎯 About You Experienced full-stackengineer , confident in delivering complex mobile or web applications. Strong background in modern frameworks, cloud platforms (AWS/Azure/GCP), and scalable architecture More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
G.Digital
Founding Engineer/Technical Lead Location: Hybrid (London HQ + Remote role with occasional travel) MUST BE UK BASED Sector: HealthTech/Fitness/Wellbeing G.Digital are thrilled and excited to be working with this ambitious, early-stage tech company on a mission to reinvent how people experience personal training and wellbeing. They already have a proven desktop … to take things to the next level — launching a consumer app, scaling the technology, and building a product that truly changes lives. We’re looking for a Founding Engineer to join these guys and be part of a unique opportunity to combine hands-on coding with strategic vision , shaping the technical direction and building the engineering team from … Make technology decisions that balance speed, scalability, and security. Champion innovation: Stay across emerging tools and approaches, ensuring we always stay ahead of the curve. 🎯 About You Experienced full-stackengineer , confident in delivering complex mobile or web applications. Strong background in modern frameworks, cloud platforms (AWS/Azure/GCP), and scalable architecture More ❯
Staff Software Engineer | B-Corp Start-Up | Net-Zero Carbon | FullStack Up to £120,000 plus stock London - Hybrid (2 days a week in the office) Typescript, React, Node, GraphQL, GCP Staff Software Engineer - We are working with an amazing Carbon Neutral, B-Corp certified start-up to find them a … Staff Software Engineer to join their purposely small, experienced engineering team. They have received over $10m in funding in the last two years and as reach break-even in the original market, they have some exciting tech challenges in scaling their sustainable platform as they look to expand their reach. As a Staff Software Engineer in … colleagues in engineering and the wider business to innovate and produce new ideas. Driving design discussions to solve real world problems and deliver on business goals. The tech stack is predominantly Typescript, Node and React with some Rust on GCP, Kubernetes, GraphQL although they are open to engineers from any background. You should apply if: You're excited More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Burns Sheehan
Senior/Lead C# .NET engineer Location: Hybrid/remote (based in Manchester, Leeds or London) Salary- £70,000 - £80,000 Engineer - FullStack, .NET/React/Azure) We're hiring on behalf of a fast-growing B2B SaaS company undergoing a large-scale technology transformation. With recent investment this organisation … a recently refreshed platform this company is already receiving excellent feedback from customers. Now, they're embarking on a major greenfield transformation and seeking a hands-on Lead Engineer to drive technical delivery, accelerate speed to market, and raise the bar on code quality. The Role As a Lead Engineer, you'll: Be hands-on with More ❯
Senior Ruby Engineer Scale-Up Tech Company - Remote (Anywhere in the world) Up to £80,000 Are you ready to take your career to the next level? We're working with one of the fastest-growing tech companies in the world, and they're on the lookout for an experienced Senior Ruby Engineer to join their … practices, and mentoring mid-level engineers. Driving innovation while maintaining a strong user-first mindset. What we're looking for: 5+ years' experience as a back-end or full-stackengineer, with recent, hands-on Ruby on Rails expertise . Proven experience scaling products used by thousands (or millions!) of users. Strong background in More ❯
.NET Developer - Financial Trading - C#, React - London (Tech stack: .NET Developer, .NET 9, C#, React, Programmer, FullStackEngineer, Architect, .NET Developer) Our client, a market-leading financial trading firm, renowned for its innovation, lightning-fast technology and elite engineering culture, is seeking talented .NET Developer to join their award winning team. More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer - Financial Trading - C#, React - London (Tech stack: .NET Developer, .NET 9, C#, React, Programmer, FullStackEngineer, Architect, .NET Developer) Our client, a market-leading financial trading firm, renowned for its innovation, lightning-fast technology and elite engineering culture, is seeking talented .NET Developer to join their award winning team. More ❯
Senior Software Engineer - MOCA Location London Business Area Engineering and CTO Ref # Description & Requirements The Market and Order Data Analytics (MODA) platform is essential to Bloomberg's trading automation and execution systems by providing scalable shared infrastructure for the normalization, distribution, and storage of trading data. We build and own the APIs that express the platform's … sources, enabling the definition of complex heuristics that are critical to our clients' trading decisions. What are we looking for? We are looking for an experienced, self-driven full-stackengineer to help us in our mission to unlock the power of trading data. We're looking for someone who takes initiative, thrives in … independently lead projects from concept to delivery. Because our work touches so many teams, you'll collaborate closely with product owners and engineers across multiple organizations. Our Tech Stack Languages: Our engineers spend around 70% of their time writing C++, with the rest of the time spent building and enhancing UI components in TypeScript/JavaScript Tools: A More ❯