826 to 850 of 1,490 Full-Stack Development Jobs in London

Software Engineer, Platform

Location
Greater London, England, United Kingdom
with AI. At the foundation of these products is the SGP Platform Engineering team. In this role, you will support the design and development of shared platforms used across Scale. This includes designing our foundational data platforms and lifecycle, architecting Scale’s core cloud infrastructure and orchestration stack … mission is to develop reliable AI systems for the world's most important decisions. Our products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real ...

Senior Product Engineer (Backend)

Location
Greater London, England, United Kingdom
Codex, Claude Code or similar systems to understand the codebase, generate plans, build features, write tests, review changes and improve team productivity. Full-Stack Awareness : Collaborate effectively with frontend engineers and, where useful, make small portal changes or reason through frontend implications in Angular. Testing … Codex, Claude Code or similar systems to understand the codebase, generate plans, build features, write tests, review changes and improve team productivity. Full-Stack Awareness : Collaborate effectively with frontend engineers and, where useful, make small portal changes or reason through frontend implications in Angular. Testing ...

Senior Forward Deployed Engineer (AI)

Location
Greater London, England, United Kingdom
business value.**Experience/Competences**Essential* Expertise in Generative AI, Machine Learning and large language models. Hands on experience across prompt engineering, agent development and evaluation frameworks.* Demonstrated proficiency in Python AI/ML frameworks with the ability to write and review production-grade code across the full … deploying scalable APIs and microservices to support AI solutions.* Knowledge of OAuth (Okta) for implementing secure, scalable authentication and authorisation mechanisms in full-stack applications, ensuring data protection and privacy across AI solutions.We are looking for a proactive, adaptable, and detail-oriented individual who thrives ...

Technical Lead

Hiring Organisation
Develop
Location
Central London, London, United Kingdom
Employment Type
Permanent
Technical Lead AI/Full-Stack Engineering Remote first (once a fortnight in London- can be more flexible if required) | Up to £120k + Bonus + Equity Were working with a fast-growing, technology-led financial services business that is investing heavily in AI, product development … model evaluation is particularly valuable. What Theyre Looking For 510 years' commercial software engineering experience. Strong, recent hands-onPython development. Strong full-stack capability, ideally including React/TypeScript. Experience building and operating production systems in AWS. Solid understanding of software architecture and distributed systems. Practical ...

Full-Stack Engineer London

Location
Greater London, England, United Kingdom
models, and automated listing generation Own technical decisions and help define our engineering culture from the ground up Requirements 4+ years of full-stack development experience with modern web technologies Strong proficiency in TypeScript, React/Next.js, and Node.js Experience with relational ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
looking for a talented, high-quality full-stack engineer to join our team You’ll work closely with your Engineering Manager and a cross-functional squad - product, design and fellow engineers - as well as colleagues across Strava. Wherever you land, the goal is the same: helping … Learn and develop: We work with all of the latest tools and technologies so you can learn at the cutting edge of product development Team socials: We’re a friendly bunch and like to make work‐like fun, whether that’s lunches and dinners or our bi‐weekly ...

Senior Software Engineer, CoinDesk Media

Location
Greater London, England, United Kingdom
concept to production. You collaborate directly with product managers and designers on scoping, steer deployment, and maintain production reliability, performance, and security. Full-Stack Execution: Architect and ship resilient functionality across our web surface, mobile apps, and services layer. You build clean, maintainable systems with Next.js … software. You demonstrate verified end-to-end ownership of at least one complex, high-traffic production system from initial design through maturity. Full-Stack Ecosystem Mastery: Deep hands-on authority across modern web and backend technologies. You bring proven expertise in React, Next.js, Node.js, TypeScript, RESTful ...

Senior Software Engineer, SCRIBE

Location
Greater London, England, United Kingdom
feel valued and respected. About the role We are seeking a full-time Senior Software Engineer to lead the architecture, development, and operational delivery of the platform that powers SCRIBE (Structured Collection Records Interpretation and Bio-entity Extraction). This role sits within the AI & Informatics … biological and Earth sciences is not required; the wider team will provide expertise. About you We are looking for an experienced full-stack engineer with substantial experience developing Python web applications and backend services using frameworks such as FastAPI or Flask, alongside modern JavaScript or TypeScript ...

Java Developer- London

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
platform used by institutional clients. Key ResponsibilitiesDesign, build, and maintain high-performance backend services using Core JavaCollaborate closely with a compact, highly capable development teamOptimize software performance and troubleshoot production issues across the stackFollow clean coding standards and lead on testing, CI/CD, and DevOps best practicesParticipate … bonus, not a mustWhy Apply? Make a direct impact – Work on core features in a live, client-facing platform from day one. Full-stack opportunities – While Java is the focus, there's room to contribute across front-end and infrastructure layers. Lean, engineering-led culture – Collaborate ...

Software Engineer

Location
Uxbridge, England, United Kingdom
variety of frameworks, languages, and tools and be happy to learn new skills when the need arises. Key responsibilities Work with a full-stack attitude within a self-organising, cross-functional product engineering team, using extreme programming practices, notably pair programming and test-driven development. Build … that you use and build. Accept feedback and adapt to your team and the company's current priorities. The Must Haves Test Driven Development, Pair Programming, Clean Code & Refactoring, System Design Observability, "you build it you run it" attitude Product mindset Good communication, giving and receiving feedback Desirable ...

Product Engineering - Team Lead

Location
Greater London, England, United Kingdom
trading products as well as support high profile blockchain projects and traditional financial institutions moving into crypto. We actively participate in the development of the blockchain ecosystem through investments, partnerships, and incubation of projects. Working at Wintermute We are looking for an experienced Product Manager to lead … development of our NODE platform, enabling seamless crypto trading experiences for institutional clients. This is a hands‐on, cross‐functional role that will have direct impact. You will work closely with engineers, designers, core developers, and stakeholders across the business to define, build, and ship a secure, scalable ...

Senior Product Engineer

Hiring Organisation
Zapp
Location
London, UK
Employment Type
Full-time
OwnershipRaising the BarWinning TogetherDelivering with SpeedWe are an AI-first companyWe don't just build software. We build intelligent systems. From AI-assisted development workflows to LLM-powered product features, we expect every engineer to embrace and actively shape how AI changes what we ship … shape our codebase. Lift the people around you. You're a great fit if youSenior engineering experience. 5+ years building production software. Full-stack range. Comfortable across backend, web, and infrastructure. Strong fundamentals. Confident with TypeScript, GraphQL, and SQL. At home in NestJS (or a similar ...

Software Engineer - Core IP Security

Hiring Organisation
G Research
Location
London, UK
Employment Type
Full-time
rebuild existing systems when better approaches are availableWho are we looking for? We are looking for an engineer who combines strong software development skills with an interest in security, cryptography and high-integrity systems. You should be comfortable working across the full stack, from … where correctness and auditability are criticalSound engineering judgement, balancing security, performance, reliability and deliveryClear communication skills and a collaborative, pragmatic approachExperience with modern development practices, including CI/CD, code review and automated testingHighly desirable: Experience with cryptography, key management or security-sensitive infrastructureExperience with hardened environments, operational ...

Senior Software Engineer - London

Hiring Organisation
Perk
Location
London, UK
Employment Type
Full-time
next-generation platform to take the pain out of booking and managing business travel. As a Senior Software Engineer, this position involves: Product development in Python/Django and/or React of a travel-related web-based productIntegrations between our product to 3rd party APIsSystem architecture design … will be providedObsession for quality and testingEager to learn new technologies and frameworksStrong communication skillsBonus points for: Experience using AI coding tools during development process, such as copilot, cline or similarExperience building AI backed product features using AWS, GCP or OpenAI platformsExperience in the travel industryDevOps experience with ...

Senior Solutions Architect - Growth Analytics

Location
Greater London, England, United Kingdom
applications remain responsive under load. You'll collaborate with the Product Lead to define technical requirements for newfeatures, propose implementation approaches, and estimate development effort. Thisincludes designing integration patterns between systems, implementingauthentication and authorization systems for enterprise portals, specifying APIcontracts, and selecting scalable technologies that can grow with … pipelines, architecting document generation systems, and ensuringapplications meet performance and security requirements for enterprise deployment. What you'll need Expert-level Python development experience building production applications Expert-level AWS experience, including Lambda, ECS/Fargate, S3, and APIGateway Proven experience deploying and managing containerized applications usingDocker Strong ...

Principal Data Engineer

Hiring Organisation
ComplyAdvantage
Location
London, UK
Employment Type
Full-time
days a week. We strongly believe that this approach fosters collaboration and enables the building of meaningful relationshipsOpportunities for collaboration and career development with smart, like-minded professionalsAnnual learning budget to support professional growthA home office budget to support working from homeEnhanced parental leave and childcare benefitsLife insurance … enterprises across 75 countries rely on our end-to-end platform and the world's most comprehensive financial crime risk intelligence. With full-stack agentic automation, we help organizations automate up to 95% of KYC, AML, and sanctions reviews, cut onboarding times by 50%, reduce false ...

.NET Developer

Hiring Organisation
Noir
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £105,000 per annum
With nearly 500 employees and growing, they are looking for .NET Developer to join their global team! You will be working on the development of a new generation of .NET/C# software products; helping the firm transform its inspiration into reality. We are keen to hear from … good grasp of: .NET, .NET Core, C# and Azure SQL. Our client will give you the opportunity to work on enterprise level software development projects and provide training into: .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core ...

Applied AI Engineer, Global Public Sector

Hiring Organisation
Scale AI
Location
London, UK
Employment Type
Full-time
mission is to develop reliable AI systems for the world's most important decisions. Our products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real … Inc., the Government of Qatar, and U.S. government agencies including the Army and Air Force. We are expanding our team to accelerate the development of AI applications. We believe that everyone should be able to bring their whole selves to work, which is why we are proud ...

Staff Software Engineer - Agentic Workflows

Hiring Organisation
Causaly
Location
London, UK
Employment Type
Full-time
last hours, fan out across dozens of subagents, and has to produce evidence a scientist can audit. What you'll work in. Full-stack engineering, weighted towards backend and platform. TypeScript and Node.js, Restate for durable execution, PostgreSQL, Google Cloud and Azure. What we need from … Google Cloud, Azure, Kubernetes, Terraform, ArgoCD, DockerTooling: Git, GitHub ActionsBenefits Competitive compensation package Private medical & dental insurance Life insurance (4 x salary) Personal development budget Individual wellbeing budget 25 days holiday plus bank holidays Your birthday off! Potential to have real impact and accelerated career growth ...

Senior Full-Stack Engineer – AI FinTech, Remote-First

Location
Greater London, England, United Kingdom
PlannerPal is seeking a Senior Full-Stack Engineer to bridge application development with a strong background in DevOps and enterprise-level engineering. You will design and build key features, develop CI/CD pipelines, and deploy AI-enabled services on AWS. The role offers ...

Senior Engineer

Location
Greater London, England, United Kingdom
that. The Opportunity We're building a modern care platform to support mothers and clinicians, and we're looking for a Senior Full-Stack Engineer to own and evolve the core Hesta platform as we iterate towards product-market fit. You'll work closely with … Comfortable owning systems: You're happy taking responsibility for a codebase and keeping it healthy - from shipping features to debugging issues. Strong full-stack engineer: You likely have 5+ years' experience in high-impact, early-stage product teams, and are comfortable across the stack. Product-minded ...

Software Engineer, AI Product Engineering

Location
City of Westminster, England, United Kingdom
building the evaluation and guardrails that let a finance professional trust an output enough to put their name on it. These are full-stack roles weighted toward the backend. You’ll design systems, build the services behind them, and take the feature through the UI where … level and senior; what differs is scope and the breadth of what you’ve led, not the standard of craft. Full-stack capability with real depth on the backend. You can design a service, reason about its failure modes, and still build the interface where ...

2026/Q2 - Senior Quantitative Engineer

Location
Greater London, England, United Kingdom
Technology and Research, to design, build, and evolve the firm's core data, analytics, and modelling platform. The role spans fullstack development, backend systems, cloud infrastructure, data pipelines, quantitative research workflows, and production modelling systems . You will help translate advanced macro‐finance … Heads of Technology and Research to architect, build, and evolve Allocation Strategy's core modelling, analytics, and client‐facing platform. Contribute to the development and maintenance of the frontend platform, including dashboards, data visualisations, and component libraries, using React/Next.js. Help develop and maintain backend services, APIs ...

Software Engineer

Location
Greater London, England, United Kingdom
code to be performant and efficient Experience building RESTful application interfaces and designing APIs Experience working as a part of a multi‐person development team that utilizes automated testing, CI/CD pipelines and peer reviews in an Agile Environment Nice to haves: Strong engineering principles Excellent communication … subscriptions. (UK Only) Modern, centrally located offices in London, Belfast, Dundalk, and Dubai - designed for collaboration and focus. An annual learning and personal development budget for training, exams, certifications, and qualifications - whatever helps you move forward. #J-18808-Ljbffr ...

Fullstack Developer (Node)

Location
Greater London, England, United Kingdom
Full Stack Node.js Developer (TypeScript/React/Node.js) Hybrid - 2 days/week London - £550 Outside IR35 Our Client is a well-established, well-funded tech company building products used ...