951 to 975 of 1,436 Full-Stack Development Jobs in London

Fullstack Engineer (Frontend)

Location
City Of London, England, United Kingdom
coding practices, and application frameworks that will underpin the team's future delivery model. Skills & experience we are looking for: Full stack development experience, with a strong focus on front-end development and UI/UX Experience building and deploying web applications … Benefits include: Discretionary bonus of up to 20% Pension scheme - 8% from employer Private medical cover Life assurance x8 salary Ongoing training and development support Employee discounts and additional lifestyle benefits Working arrangements: This role requires 2-3 days per week travel into London. Please ensure ...

Software Engineering Lead / Applied AI Engineering

Hiring Organisation
RELX Group
Location
London, UK
Employment Type
Full-time
team build scalable, secure, and reliable machine learning services while driving innovation and operational excellence. ResponsibilitiesLead and grow a team of full-stack ML engineers, QA engineers, and a UI developer. Define technical direction for AI-enhanced services, internal tools, and platform components. Drive architecture … SecOps standards across the team's services and pipelines. Coordinate cross-team dependencies and contribute to roadmap planning. Requirements7+ years in backend, full-stack, ML engineering, or distributed systems.2+ years in technical leadership, team leadership, or senior mentoring roles. Hands-on experience deploying ML-powered services ...

machine learning engineer for responsible AI solutions

Location
Greater London, England, United Kingdom
justifying key architectural decisions; Define project problems, develop roadmaps, and oversee delivery across multiple workstreams in ill-defined, high-risk environments; Drive the development of shared resources and libraries across the organisation and guide engineers contributing to them; Lead hiring processes and make informed selection decisions; Mentor multiple … expert in at least one major Cloud Solution Provider, such as Azure, GCP, or AWS; Have experience leading teams to build full-stack web applications; Have hands-on experience with Docker and Kubernetes; Successfully manage and coach a team of engineers and set team-wide development ...

Staff QA Engineer

Location
Greater London, England, United Kingdom
including air, maritime, and space. Position Summary Metrea is seeking a dynamic, curious, and highly-motivated Staff QA Engineer to join our software development team, building software solutions that provide geospatial data processing and visualisations. Candidates should have strong experience with the software development lifecycle … system testing Champion Quality Engineering best practices Coordinate and collaborate with Testers across teams What You Bring Practical experience of hands‐on software development and/or QA testing Extensive experience of using and testing web, windows desktop, and command line applications Experience leading and defining test strategy ...

Senior Software Engineer, Data Platform

Hiring Organisation
Scale AI
Location
London, UK
Employment Type
Full-time
will interact with AI.At the foundation of these products is the Platform Engineering team. In this role, you will lead the design and development of core data storage, streaming, caching, and indexing platforms and underlying systems. You'll also get widespread exposure to the forefront … 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 ...

AI Code Evaluator & Data Curation Engineer

Location
Greater London, England, United Kingdom
automatically verify a solution to a software engineering task. Required Skills: 3+ years of software engineering experience. Strong expertise in building full-stack applications and deploying scalable, production-grade software using modern languages and tools. Deep understanding of software architecture, design, development, debugging ...

Senior Product Engineer

Location
Greater London, England, United Kingdom
loosely defined product problem into a clear specification, prototyping both the interface and the working solution, then using AI-assisted, spec-driven development to produce, test, review, and iterate on production-quality code. Plentific's platform handles repairs, maintenance, contractor management, compliance, resident experience, and operational analytics … design. Practical experience building customer-facing SaaS products in cross-functional teams with product managers and designers. Production experience with backend or full-stack systems, preferably including Python, Django, PostgreSQL, REST APIs, React, TypeScript, and cloud infrastructure. Practical experience prototyping both user interfaces and working backend ...

Product Engineer

Location
Greater London, England, United Kingdom
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 more. We're an ambitious team of 100+ working at the frontier … others contribute their best. You\'ll always lend a helping hand when needed and level up those around you Experience requirements Strong full-stack engineering experience, with a strong track record of shipping products you\'re proud of Deep fluency in at least one high-level ...

Senior Backend Developer

Hiring Organisation
Rullion - Eon
Location
City of London, London, United Kingdom
Employment Type
Contract
role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt a Server-less first approach to application … your primary language Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools like Git. Sound understanding of development best practices including pair programming and TDD. Eagerness to engage with emerging technologies and collaborate with the team in designing solutions from inception, facilitated ...

Senior Data Engineer

Location
Greater London, England, United Kingdom
built for performance from day one. Every campaign is measurable, optimised in real time, and designed to scale. With in-house tech, full-stack analytics, and a compliance-first mindset, we give our partners an edge. We drive confident decisions and growth in regulated and high … build a robust, scalable, and high-performance real-time data backbone. In this role, you'll take a leading hand in the design, development, and implementation of a real-time data backbone. Your focus will be on building and maintaining scalable, high-performance data pipelines that support real ...

Backend Software Engineer Python LLM - Finance

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
optimise and deploy large language and multi-modal models with a focus on performance and latency and build scalable MLOps pipelines and full-stack applications to support robust, production-grade AI deployments. Using a consultative approach you'll guide multidisciplinary teams and clients through strategic decisions … above bachelor's degree in Computer Science, AI or related STEM disciplines You have a strong Python software engineering background including and API development You have hands-on experience deploying LLMs and multi-modal models at scale in production You have a strong understanding of scalable MLOps, observability ...

Staff Software Engineer - Backend

Location
Greater London, England, United Kingdom
that affect multiple teams. Ways of Working A fearless attitude toward owning and fixing any part of the system; Proficiency with AI-assisted development workflows to maximise efficiency; A genuine instinct for end-to-end ownership, deep curiosity, and a desire to thrive in a culture of calculated … esports; Mentorship: you have actively mentored peers or juniors outside of your direct project scope; Professional exposure to Java/Spring frameworks; Full-stack versatility, with the ability to spin up internal tools using React and Next.js. Firmly rooted in our values, EFG is an affirmative ...

Lead Platform Engineer

Location
City of Westminster, England, United Kingdom
standards, making technical decisions, and creating an environment where other engineers can do their best work. This is not a JavaScript-led “full-stack” role but you should be comfortable building user-facing applications and unafraid of frontends. WHAT YOU’LL BE DOING Platform & Application Engineering … Accountable for the technical quality, structure and evolution of all non-data components of the Apollo platform. Responsible for leading the design and development of our core applications and internal tools, including multiple production UIs built using Python-centric stacks (e.g. FastAPI, Jinja, HTMX, Tailwind). Responsible ...

Product Engineer (AI Agent Management)

Location
Harrow, England, United Kingdom
multi-LLM routing, cost control, and reliability – depending on your pod – working closely with Product Management and Design. Use AI-assisted development tools as a core part of your workflow to move faster from idea to shipped feature. Dig into usage data and customer feedback to help decide … routing traffic through Gravitee's LLM control layer. Essential Skills 4+ years of software engineering experience, ideally in a product-facing or full-stack role. Backend experience in a statically-typed language (Java or C# required) Solid understanding of authentication/authorization flows (OAuth2/OIDC ...

Engineering Manager, Treasury

Location
Greater London, England, United Kingdom
wallet and account infrastructure, and the global ledger — building the foundation that lets Reap launch new hubs and markets Lead the design, development, and operation of core treasury systems, staying hands-on enough in the architecture to make and defend real technical decisions Lead wallet and custody integrations … multi-chain address management, or running self-custody infrastructure at scale Embedded finance: Experience supporting B2B and B2C clients with financial infrastructure Full-stack experience: Experience across backend, frontend, infrastructure, and data AI tooling: Experience building or prototyping AI-assisted internal tooling High-growth environments: Experience ...

Agent Engineer

Location
Greater London, England, United Kingdom
ticket queues to decisions – and enabling our workforce to take the next great leap forward in productivity. We're looking for a full-stack Agent Engineer to help us design and build agent fleets, AI integrations, APIs, workflows, UIs and services that make this possible. … essential role in advancing Elliptic’s mission to make crypto markets safer, more transparent, and more efficient. What you will do: Lead the development of agent fleets to model complex business processes in Langchain. Develop APIs and workflows that integrate AI and LLM frameworks with business systems. Design ...

C# Developer Fintech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
looking for a C# developer who wants to work in a tech driven bleeding edge business creating truly greenfield products. Working within the Development team the C# Developer will helping to introduce a new architecture as well as creating new products. C# Developers MUST have: Degree ideally Comp … SciC#Exposure to some form of MQ messaging or Websphere potentially Rabbit MQSQLIdeally some Visual StudioXML and XSLTOO Development patternsAn interest in TDDYou will gain experience of DockerThis role is for candidates who are looking for a fun and quick changing team, as well as serious responsibility from ...

Software Engineer, Business Technology

Location
Greater London, England, United Kingdom
behind their requests, and build the right abstractions that unlock capabilities for everyone. What you'll do: Rapidly design, prototype, and ship full-stack features across backend, frontend, and infrastructure Consult with users and stakeholders to understand workflows and identify the highest-impact opportunities Spot patterns … domains as the product evolves You may be a good fit if you: Have 6+ years of experience building production software, ideally full-stack Can operate as a team of one when needed—you're independently capable of taking a product from idea to shipped, even ...

Software Engineering Manager (Test & Devops)

Location
Greater London, England, United Kingdom
environments. This is a people-first leadership role. You will manage and develop a team of test and DevOps engineers, set priorities and development plans, and drive performance, while staying hands-on in the technical direction. At CoMind, all team members work at least 4 days per week … role is based in our London (Kings Cross) office. Responsibilities: Manage and mentor a team of DevOps and test engineers, setting priorities, individual development plans, conducting performance reviews, and maintaining a high standard of engineering practice Own the CI/CD strategy and build and release infrastructure across ...

Product Engineer

Location
Greater London, England, United Kingdom
someone who is passionate about learning how to utilise this in production use cases. You’ll own the end-to-end design and development of key features of our web application along with the underlying services that support it. You’ll be joining a small, dynamic and fast … paced team with a focus on quality, usability and impact. You’ll be involved in every stage of the development lifecycle; from discovery and design, through implementation to deployment, maintenance and continuous improvement. You will be supported by a cross-functional, collaborative and growing team in delivering ...

Principal Data Engineer

Hiring Organisation
Anaplan
Location
London, UK
Employment Type
Full-time
Flink, Hadoop).Strong expertise in message brokers and event streaming platforms (e.g., Apache Kafka, Kinesis).End-to-end exposure to data pipeline lifecycle development, including extensive experience with workflow orchestration tools (e.g., Apache Airflow, Dagster).Hands-on expertise with cloud data warehouses (e.g., Snowflake, BigQuery, Redshift) and data … lake architectures (e.g., Databricks, Delta Lake, Apache Iceberg).Advanced SQL skills and proficiency in Python. Strong background in modern software development practices (testing, code review, CI/CD, Infrastructure as Code).DesirableExtensive, progressive experience leading technical projects and mentoring engineering teams. Hands-on experience with cloud-native infrastructure ...

Director of Engineering - C#.NET, AWS, AI

Location
Greater London, England, United Kingdom
that ensure consistent, high-quality delivery. Champion an AI-native engineering culture by embedding AI, automation, and data-driven decision-making into software development, delivery practices, and operational processes. Provide technical leadership with expertise in Java Full Stack, .NET, AWS, EKS, Claude, Cursor … activities align with governance, security, compliance, enterprise risk standards, and organisational objectives. Own workforce planning and talent strategy, including hiring, succession planning, capability development, diversity initiatives, and coaching people managers to build strong leadership pipelines. Manage budgets, vendor relationships, and resourcing strategies while representing engineering in senior leadership ...

Senior Data Engineer

Hiring Organisation
Just Eat Takeaway.com
Location
London, UK
Retail Media event tracking infrastructure, schema governance, SLA/SLO monitoring, and data quality validation across the unified events pipeline. Support the development of a semantic layer (Cube.dev/Helix) bridging BigQuery Gold tables to downstream BI tooling. Begin to contribute to architecture discussions beyond your immediate team … engineers and data scientists to productionise models and agentic tooling built on internal AI platforms, with hands-on use of AI-assisted development tools such as Claude.ai, OpenAI, GitHub Copilot, and Cursor as part of your everyday engineering workflow. Work cross-functionally with Data & Analytic s, Platform Engineering ...

Senior Forward Deployed Engineer (FDE)

Location
City Of London, England, United Kingdom
Senior Forward Deployed Engineer (FDE) London Financial Data Platforms Join one of the fastest growing fintech scale‐ups in London who are operating at the heart of the investment lifecycle, working with some of the ...

.NET Developer, Graduate / Junior

Hiring Organisation
Noir
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £45,000 per annum
.NET Developer, Graduate/Junior - Computer Gaming Company - London (Tech stack: Graduate/Junior .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API ...