Jobs for senior software engineer- java at London

Hybrid (2-3 days onsite with flexibility)We’re partnering with an ambitious AI start-up developing cutting-edge behavioural biometrics technology that’s redefining digital identity, authentication and cybersecurity.This isn’t another SaaS platform.This is software sitting at the intersection of AI, cloud infrastructure, identity and security, where...

We are seeking a Senior Full Stack & Systems Engineer to join our Defence delivery team. This is a versatile, high-impact role designed for funded client delivery: you will build mission-critical web applications and API backends for central MoD programmes, while contributing to low-level system integrations (Kotlin, Android ART, IPC/AIDL) on tactical edge...

We're looking for a Senior Software Engineer to join a growing AI team and take ownership of the application and integration layer behind a new generation of AI-powered products.This is a genuinely full-stack engineering role, combining production-grade backend development, API design, AI integrations and frontend engineering. You'll work across the full...

This range is provided by Workonomics. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeSize | 2k globally, 280 in London (80 in Engineering, Design, Product)Level | Senior, or LeadAreas | backend infrastructure, distributed systems, data processingBased | London (Zone 1)Hybrid | 3 days a...

As a Senior Engineer, you will play a critical role in designing, developing, and optimising our innovative solutions. You’ll be responsible for driving the technical execution of projects, mentoring other developers, and ensuring our platform remains scalable, reliable, and secure. This role requires a blend of hands‑on coding, technical leadership, and...

About the roleAs our Senior Software Engineer, you'll build and operate digital retail experiences that power LEGO®.com, the LEGO Insiders App, and associated commerce platforms. You'll work within a cross-functional product team to deliver customer-facing features and scalable backend services using JavaScript and TypeScript. This role combines hands‑on...

Our Mission At Carbon Re, we’re on a mission to cut gigatonnes of carbon emissions from the world’s biggest emitting industries, like cement, steel, and glass, by applying cutting‑edge AI where it matters most. We’re a small and growing team of scientists, engineers, and strategic thinkers who care deeply about impact and believe in getting there...

We've partnered with a profitable, fast-growing (10x last year) AI company building LLM-powered tools that are already used by some of the world's largest private equity and consulting firms. The team is 40+ across London & New York and this is a key backend hire for the London office.You'll own backend systems end-to-end: architecting and scaling...

A leading UK-based tech company is advancing research through innovative software solutions. The company delivers ethically sourced human data at speed, enabling academic, commercial, and AI-driven teams to generate actionable insights. With a strong engineering culture and fully remote setup, it empowers engineers to tackle complex problems and make a...

Senior Full Stack Engineer (React, Typescript, Node, AWS)HealthTech, up to £90kLondon (once or twice per fortnight in office)Troi Search are delighted to be partnering once again with this innovative & mission driven HealthTech client.We’re now looking for a Senior Full Stack Engineer who enjoys balancing hands-on coding with architectural thinking....

Join Axon and be a Force for Good. At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and...

At Jamf, we believe in an open, flexible culture based on respect and trust. Our track record and thriving work environment all stem from the freedom we grant ourselves to get the job done right. We take pride in helping tens of thousands of customers around the globe succeed with Apple. The secret to our success lies in our connectivity, while operating...

About us    Founded in 2017, Wayve is the leading developer of Embodied AI technology.  Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usability and safety of automated driving systems. Our vision is to create autonomy that propels the world forward.  Our...

Ebury helps ambitious businesses unlock global growth, and we take the same approach with our people. We encourage innovation and movement, collaboration and problem-solving, and foster an environment where everyone can feel they belong, are valued, supported and empowered to succeed. If you’re a collaborator who wants to help transform how businesses...

WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predictive signals (alphas) through our proprietary research platform to employ financial strategies focused on market inefficiencies. Our teams work collaboratively to drive the production of alphas and...

🌍 A Bit About UsWe’re Doccla, and we’re redefining where and how healthcare is delivered.Our Virtual Ward and Remote Monitoring Solutions enable hospitals and health systems to care for patients at home. We support patients across the full care journey from early discharge and acute recovery to long-term condition management and proactive care.We...

Senior Software Engineer (Windows)About iProoviProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC offer unmatched resilience against deepfakes and generative...

Super Payments Super Payments is the only global fintech platform providing 0% processing fees for merchants. Our mission is to use data and AI to make payments free for businesses, so that everyone wins.  At Super, we are disrupting payments, like Spotify did to music and Robinhood did to trading. We don't make money from transaction fees;  instead, we...

Fitch Group is currently seeking a Software Engineer -  Associate Director based out of our New York or London office.     As a leading, global financial information services provider, Fitch Group delivers vital credit and risk insights, robust data, and dynamic tools to champion more efficient, transparent financial markets. With over 100 years of...

Why Socure?Socure is building the identity trust infrastructure for the digital economy — verifying 100% of good identities in real time and stopping fraud before it starts. The mission is big, the problems are complex, and the impact is felt by businesses, governments, and millions of people every day.We hire people who want that level of responsibility....