Senior Software Engineer jobs in London

You will be a technical leader within a cross-functional team; shaping architecture, driving engineering best practice, and helping to accelerate the organisation's transition to a modern CMS ecosystem. Key Responsibilities:Architect, build, and maintain full-stack applications using TypeScript, React, and Node.

You must be a UK resident to apply for this role.

Job Title: SC Cleared Senior Software EngineerLocation: Farnborough, Malvern or PortsmouthDuration: 6 months with possible extensionRate: Up to £820 per day via an approved umbrella companyMust be willing and eligible to go through the SC Clearance processAre you a talented and motivated Software Engineer with a passion for delivering innovative solutions? Our client, a reputable organisation...

Senior Software Engineer Node.js / AWS / React London (Hybrid, 3 days onsite) Be one of the first applicants, read the complete overview of the role below, then send your application for consideration.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...

Senior Software Engineer, .NetLondonPermanent Read on to find out what you will need to succeed in this position, including skills, qualifications, and experience.To £95k + bonus + benefitsSenior Software Engineer, .NET Remote/London to £95k + bonus + benefits .Net, Back End, Azure, microservicesSenior .NET Software Engineer is required by fintech company who provides cutting-edge systems to the...

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript stack, your primary focus will be on...

Senior Software Engineer - Governance If your skills, experience, and qualifications match those in this job overview, do not delay your application.Up to £90,000 + Generous BenefitsLondon2 days a week on siteFruition are partnering with a FTSE100 global Biopharma business, with a goal to unite science, technology and talent. They aim to positively impact the health of c2.5 Billion people by...

You must have full right to work in the UK and currently be residing in the UK. If this role sounds like it may be of interest, apply now for an informal chat.

Job Description Senior Software Engineer Location: London (4 days on site) We’re looking for a Senior Software Engineer to play a key role in designing, building, and maintaining critical parts of a modern, user-facing platform. This is a hands-on role where you’ll help shape technical direction, mentor other engineers, and ensure systems are robust, scalable, and easy to maintain. You’ll...

Job Description Senior Software Engineer (Python - FastAPI) This fast-growing consultancy is pushing the boundaries of AI and data science, helping clients turn complex challenges into scalable, production-ready solutions. They’re now hiring a Senior Software Engineer who can blend deep technical expertise with a practical, delivery-focused mindset. Role Overview: Location: London...

Job Description Senior Software Engineer – AI Startup – Up to 120k 🚀🧠 💰 Salary: £70,000 - £140,000 + meaningful equity 🏙️ Location: London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack: Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being...

Job Description Senior Software Engineer (Full-stack) - Permanent | On-Site | London Join a rapidly scaling US-backed startup at a pivotal moment. With significant funding secured and strong momentum, they are establishing their UK presence and offering exceptional equity opportunities for early team members. As a Senior Software Engineer, you'll work across our Python and TypeScript stack,...

Job Description Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing and designing software solutions, ensuring adherence to best...

Job Description At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And...

Job Description Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript stack, your primary...

You will also be someone others will look too for knowledge, advice, mentoring and guidance. Meaning you will play a key role in the growth of your fellow team members, contributing positively too a highly collaborative and safe team environment, that is championed across all engagements.

Job Description Job Title: Senior Embedded Software Engineer Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Salary: Salary is competitive and negotiable based on experience. Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier-one supplier specialising in advanced technology...

You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that help simplify financial workflows for our users. You’ll have the opportunity to own critical features and contribute to the overall architecture of our platform.

Job Description Senior Software Engineer (Golang) London – Hybrid flexible Up to £80,000 + equity We’re currently partnered with a real-time sports data platform that is revolutionising how companies leverage data to empower their business. They are looking for a performance focused Senior Engineer with a passion for writing clean, efficient, and maintainable code. This is an exciting...

You will join a cross-functional product engineering team focused on the evolution and modernisation of a core InsurTech platform. The work centres around building scalable, cloud-native services while improving performance, reliability, and long-term maintainability.

Job Description We’re seeking a highly skilled Senior Software Engineer with expertise in C#, .NET and Azure. In this role, you’ll design, develop, and deliver high-quality software solutions within agile teams, working across the full development lifecycle. You’ll collaborate closely with engineers, architects, DevOps, and product owners to build robust, scalable, and cloud-ready applications...