Senior Full Stack Engineer Java jobs in London

Robert Walters

€43,500 - €73,500 /year

Requirements Must have: - We require strong experience in Java and backend development. - We require experience building and scaling distributed systems in production environments. - We require a solid understanding of software architecture and system design. - We require experience working in finan

Citigroup

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180 countries operating at a scale few can match. From deploying advanced AI to helping shape global marke

Blink

Who you are We’re looking for someone who is proactive, willing to push boundaries, and can work independently as well as collaboratively Ambition & Drive: A self-starter who is eager to learn, takes initiative, and possesses a growth mindset. Willingness to tackle tough challenges and contribut

Thought Machine

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need grea

Flutter UK & Ireland

Senior Software Engineer 2 Full Stack Developer This is a fantastic opportunity to work in a new and cutting-edge team within the UKI Platform and Enablement Super Tribe. This team is focused on driving the next phase of AI innovation across the Flutter UK & Ireland business, building intelligen

Blink - Employee Experience Platform

🌍 London (in office 3 days/ week) 🤝 Product and Engineering 💚 Reporting to Senior Full Stack Engineer We're not just closing the digital divide; we're reconnecting distributed organisations, enabling seamless communication, and re-engaging employees like never before. Blink, a mobile-first employ

Blink - The Employee App

🌍 London (in office 3 days/ week) 🤝 Product and Engineering 💚 Reporting to Senior Full Stack Engineer We're not just closing the digital divide; we're reconnecting distributed organisations, enabling seamless communication, and re-engaging employees like never before. Blink, a mobile-first employ

Limbic

Description Limbic's vision is to ensure the highest quality therapy is accessible to everyone, everywhere. The way we do that is by deploying AI responsibly, using it to augment clinical care and reduce barriers to accessing therapy at scale. Limbic is already used extensively in Talking Therapies

Hays Specialist Recruitment Limited

Requirements Must have: - We require proven commercial experience as a Full Stack Developer within the public sector. - We require active SC and NPPV3 clearance. - We require senior-level expertise in either Java/Spring (Boot, Data JPA, Security) or JavaScript/TypeScript with React, with mid-level e

Chapter One

Job Description We’re looking for Full Stack Software Engineer with strong TypeScript and mobile development skills to join our fully remote team. You’ll lead the charge on building high-impact, scalable mobile applications, collaborating with a global team of engineers, and working within a modern,

EDF (UK)

About The Role Hybrid | Permanent | Starting from £63,000 Ready to build modern web experiences that genuinely make a difference for small businesses? Keen to work with React, cloud technologies and AI tools while shaping how they’re used in real-world delivery? At EDF, you’ll join a team where your

Matched Group

€40,500 - €68,500 /year

Requirements Must have: - We are seeking a proven Senior Full Stack Developer or similar, with a strong portfolio of projects and a back end leaning skill set. - We require expertise in Node.js and AWS Lambda for serverless backend services. - We require proficiency in React with Next.js for fronten

Spotify

Who you are You have experience building web applications across the stack. TypeScript and Java experience preferred You're motivated to learn, take on new challenges, and T-shape You think product-first while building tech solutions You're comfortable using AI tools and agents to support your devel

Encord

About us Encord is the universal data layer for AI that helps 300 AI teams train and run models on the right data. Our platform indexes, curates, annotates, and evaluates data across the full AI lifecycle, from development through production. Trusted by Woven by Toyota, AXA, UiPath, Zipline, and mor

Florence

What does Florence do? Florence is building the technology to power the health and social care workforce. From first revenue in 2017, we have grown to a team of 200+ people across the UK. Our goal is to become a category-defining tech company that empowers the entire health and social care workforce

EDF Energy Limited

About the Role Hybrid | Permanent | Starting from £63,000 Want to build and run software that makes a real difference to millions of customers? Ready to work across the full lifecycle, from idea to production, using modern cloud and DevOps practices? At EDF, you won’t just write code, you’ll own it,

REAL Technical Solutions

Requirements Must have: - We require at least 5 years of experience in full-stack development or data integration and migration. - We require strong hands-on experience with JavaScript, TypeScript, React, and Python. - We require strong data analysis and problem-solving skills. - We require experien

Encord

About us Encord is the universal data layer for AI that helps 300 AI teams train and run models on the right data. Our platform indexes, curates, annotates, and evaluates data across the full AI lifecycle, from development through production. Trusted by Woven by Toyota, AXA, UiPath, Zipline, and mor

9fin

Full Stack Engineer About 9fin 9fin is the AI platform powering global debt markets - the world's largest asset class at over $145 trillion. Debt markets are vast, global, and mission-critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastructure wit

WeAreAspire

£55,000 - £60,000 /year

Software Engineer (Full Stack / Backend) 📍 London (Hybrid - 2-3 days in office) 💰 £55,000 - £60,000 ⏳ Full-Time Permanent 🕒 Experience Level: 2-5 Years About the Role We're partnering with a growing technology business looking to hire a talented Software Engineer to join their expanding engineeri