full stack nodejs developer jobs in London

US Cold Storage - USCS, based in Camden, NJ, is hiring a Full Stack Java Developer. The role focuses on building scalable, testable software for warehouse management systems with Java and frontend work. You will participate in Agile Scrum, drive design patterns, and contribute to microservices and REST APIs.The position requires strong Core Java, Spring, and...

We’re looking for a Senior Software Engineer to join our Streams UI team, where you’ll have the chance to shape and enhance our user interface, making it more intuitive and engaging for our usersIn this role, you’ll work on Fleet. Fleet is the central management experience for Elastic Agent in KibanaYou’ll also work on Streams. Streams is our new...

AI Full Stack Engineer – LLMs, Python & Agentic AI Location: London (Hybrid, 2-3 days per week in the office) Salary: Up to £70,000 a year DOE. Employment Type: Permanent, Full Time Sector: Investment Technology Build the AI capabilities of an organisation, not just another chatbot. What if you could help an established investment organisation...

FinTech Horizon Ltd. in London seeks a Senior Full-Stack Developer to design, build, and maintain scalable web applications powering our next-generation financial platform.You will collaborate with product managers and UI/UX designers to translate complex requirements into robust technical solutions. Responsibilities include mentoring juniors, optimizing...

NatWest Group is seeking a Software Engineer, Full Stack to join a permanent feature team building our real-time banking platform. You will design, test and implement software across the lifecycle, collaborating with senior engineers and architects to align with business objectives.You will apply Agile methods, deliver scalable and maintainable systems, and...

Full Stack Engineer (Web-Innovation)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 Group is seeking a Full Stack Engineer to build AI-led capital markets software with a strong backend focus.You will design and develop backend services with Python, FastAPI and SQLAlchemy, deploy on AWS, and collaborate across a small, fast-moving team. Frontend work with React optional as needed, and strong problem-solving and communication are...

Who are we?Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.Who are we?Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve...

C# Full Stack Software Engineer – Fintech85,000 Plus 10% BonusRemote Working 2 days per month in the officeQuant Capital is urgently looking for C# Full Stack Developer to join our high profile client.My Client is a well known global (yet not too corporate) financial software (fintech) business that has developed a unique proprietary front office lending...

Join a passionate team of innovators dedicated to transforming how people connect and collaborate at events worldwide.Open PositionsWe're looking for talented individuals who share our passion for innovation and excellence.Senior Full Stack DeveloperLondon, UK / RemoteFull-time5+ years experienceReact & Node.jsTypeScriptProduct DesignerDesignLondon,...

E-Frontiers in London is seeking a Java Full Stack Software Engineer with UK SC clearance for a 12-month hybrid contract. You will design, develop and lead full-stack solutions using Java, Spring Boot, Angular/React, and AWS, working within Agile teams to deliver impactful public-safety software.Join a collaborative team, mentor peers, and help shape...

This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking for, so we can match you with the right opportunity and give you context about the role before you commit to a process. The role This company is building the AI operating system for outpatient clinics....

Client Server Limited is seeking a Senior Full Stack Engineer / Technical Lead to own the technical strategy and architecture for developer ecosystems, focusing on API and SDK design with Ruby, TypeScript and React. You will oversee the full development lifecycle, mentor engineers, review contributions and collaborate with external contributors and the...

About the TeamThe Intelligence & Investigations Engineering team builds systems that detect, analyze, and disrupt abuse across OpenAI’s products. We partner closely with the Child Safety team and cross-functional groups to protect users while advancing OpenAI’s goal of developing AI that benefits everyone.About the RoleAs a Fullstack Engineer focused on...

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking LondonThis is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/ software developer with expertise across ReactJS, TypeScript, JavaScript, C#/.NET to join this investment Banking client as they expand their full stack software developer team in London...

Emergn is seeking a Lead Java Full Stack Developer to build scalable, high-performance Java applications and provide technical leadership across teams. You will design, develop and maintain complex systems while ensuring alignment with best practices and business needs.The role requires 8+ years of Java experience, strong Spring/Spring Boot, RESTful APIs,...

Wise is hiring a Senior Full-Stack Software Engineer for the Account Integrity team in London. You will own end-to-end development of customer-facing controls and robust fraud prevention features using Java and React.Join a fast-moving, international team focused on preventing financial crime, safeguarding customers, and delivering scalable money-transfer...

FlexTrade UK Ltd. is seeking an experienced full-stack developer to join the FlexONE team. You will work on Scala/Play backend and React/AG-Grid frontend, contributing from an MVP to a full-featured web and mobile companion app.Based in London with our UI-focused team, you will own design, migrations to React Native, testing, and collaboration with desktop...

Join us as a Software Engineer, Full Stack - This is an opportunity for a technically minded individual to join us as a Software Engineer - You’ll be designing, producing, testing and implementing working software, working across the lifecycle of the system - Hone your existing software engineering skills and advance your career in this critical role ##...

Talan is seeking a hands-on Senior Developer to join a high impact technology team responsible for risk, valuation, and decision support systems. You will work across the full stack, collaborating with business users and technical peers in an agile setting.Hybrid model: 3 days per week in the London office. You will design features across UI, backend, and...