226 to 250 of 337 Full Stack Engineer Jobs in London

Senior DataHub Experience & Control Plane Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Bloomberg L.P. is seeking a Senior Software Engineer to enhance DataHub, Bloomberg's data experience layer. This full-stack role involves designing and building services for data discovery, AI context, and reliable user actions. Ideal candidates will possess strong software engineering experience and proficiency ...

Senior AI Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £130,000 per annum
Senior AI Platform Engineer up to £130,000 + BenefitsRemote (UK based) This is a great opportunity to join a high-growth organisation where you can take ownership of building an AI-driven platform that powers next-generation design systems and agentic workflows. THE ROLE: You will take … production-grade AI systems, including agent workflows and orchestration layers Working with LLM frameworks (e.g. LangChain or similar), retrieval systems, and AI platforms Full-stack engineering across frontend, backend, and platform layers Strong React experience with modern patterns (hooks, component architecture) A product-focused mindset with ...

Senior AI Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£95,000 - £130,000 per annum
Senior AI Platform Engineer Remote Working, UK £95,000 to £130,000 + Equity A high impact role building production grade AI systems at the core of a growing SaaS platform. This is an opportunity to shape how AI enables more intelligent, automated collaboration across design and engineering … direction Your Skills and Experience Strong commercial experience building AI powered systems in production Experience with LLM frameworks, retrieval systems and agent workflows Full stack development experience, including React Strong system design and API development capability Product focused mindset with a focus on usability and impact ...

Senior Machine Learning Engineer - GenAI, LLM, RAG

Hiring Organisation
Puritas Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Senior Machine Learning Engineer - GenAI, LLM, RAG - 12 month contract Im looking for Machine Learning Engineers (and Senior Data Scientists with strong engineering capability) who have real, hands-on experience building GenAI applications end-to-end. Not just prototypes, but production systems. This is a full-stack ML Engineering role where youll design, build, deploy, and monitor GenAI applications that integrate LLMs as part of a wider system. Youll be working on: Building production-grade GenAI applications using Python Developing LLM-powered systems with LangChain, LangSmith, and modern Python libraries Designing ...

Senior AI Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£95,000 - £130,000 per annum
SENIOR AI PLATFORM ENGINEER £130,000 UK This is an exciting opportunity to join a remote-first SaaS business at a pivotal moment in its evolution. You'll take ownership of building AI-driven platform capabilities, working on agentic workflows and production-grade AI systems that … SKILLS AND EXPERIENCE Experience building agentic AI systems and orchestration workflows in production Strong knowledge of LLM frameworks, retrieval systems and AI platforms Full-stack development experience across frontend, backend and platform layers Strong React experience and understanding of modern patterns Product-focused mindset with empathy ...

Senior Software Engineer - Integrations Lead (20+ Apps)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Trustpilot is seeking a Senior Software Engineer to join their B2B Integrations Squad in Greater London. This role involves overseeing various integrations, improving system scalability, and mentoring a dynamic team. The ideal candidate has extensive experience in full-stack development, particularly with backend technologies ...

Senior Software Engineer, Guest & Host (EMEA)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Airbnb, Inc. is seeking a skilled Software Engineer to join the team in Greater London, UK. This role focuses on backend and full-stack development, requiring at least 5 years of experience in Java and/or Kotlin. Responsibilities include mentoring junior engineers, architecting ...

Senior Data Scientist

Hiring Organisation
True North Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £135,000 per annum
/ML techniques such as Generative AI, NLP, and Deep Learning • Understanding of computer science fundamentals, computational complexity, and algorithm design • Ability to engineer and deploy well-architected software packages • Strong communication and stakeholder management skills, with the ability to independently own and execute a project holistically … Experience with AWS, especially ECS, Bedrock, SageMaker, serverless compute, and storage • Ability to prototype proof-of-concept web applications with familiarity across the full stack • Expert usage of AI coding tools and workflows ...

Senior Software Engineer, New Products

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ship next‐generation Fintech AI Innovations and 0‐to‐1 product lines. We don't build in isolation, nor do we over‐engineer for theoretical problems. Our mandate is high‐velocity validation: we take raw, ambitious, and ambiguous concepts from the executive suite, build the MVP, and deploy … technical and product ownership—wearing the hat of a Product Manager to define the what and the why, and acting as a lead engineer to build the how. What You’ll Do Co‐Author 0‐to‐1 Products: Partner directly with the CEO and global leadership to turn ...

AI Coding Engineer

Hiring Organisation
Microtech Global Ltd
Location
London, United Kingdom
Employment Type
Permanent
Title: AI Coding Engineer Location: London, United Kingdom Type: Permanent Our client are an AI Start-Up looking to build Agentic Systems for the purpose of auditing and certification. This role is 100% on-site and wouldn't be able to provide sponsorship. Responsibilities: Build, test, and ship … high-quality, high-velocity code across the full stack (front-end, back-end, and AI-agent infrastructure). Collaborate directly with the co-founders to solve complex architectural problems, like how to capture an auditor's "tribal knowledge" into a self-improving, agentic system. Go beyond ...

Senior Software Engineer - AI-Powered Atlas Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Engineering team, where you'll play a crucial role in developing AI-integrated educational products. The position emphasizes building production systems using a full-stack approach including Python, TypeScript, and more. Candidates should possess strong technical skills, a passion for AI, and excellent communication abilities. Enjoy ...

Software Engineer

Hiring Organisation
IntaPeople
Location
London, Paddington, United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum
supporting a cutting‑edge deep‑tech company in London that is building fullstack photonic quantum systems designed to transform how organisations run machine learning, generative AI, and large‑scale optimisation workloads. Their technology is already deployed in multiple real‑world environments, and they ...

Software Engineer

Hiring Organisation
IntaPeople
Location
Paddington, Warrington, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 90,000 Annual
supporting a cutting edge deep tech company in London that is building full stack photonic quantum systems designed to transform how organisations run machine learning, generative AI, and large scale optimisation workloads. Their technology is already deployed in multiple real world environments, and they ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical implementations with the company’s strategic vision Who you are 5+ years of experience in software engineering, with expertise in backend or full-stack development Proficiency in TypeScript and Python Expertise in automating cloud infrastructure through IaC Experience building event-driven systems Ability to work ...

Senior / Staff / Principal ML Systems Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
transformation. Our team sits at the intersection of large-scale data systems, machine learning, and high-performance computing. We own the full stack, from data ingestion and curation through distributed training and production inference, enabling researchers to move quickly while maintaining reliability and scalability. This role … Research Services team and help build the infrastructure that powers machine learning across Flawless. This role is open across multiple levels, from Senior Engineer through Staff Engineer. The level and scope of responsibility will be determined based on your experience, technical depth, leadership impact, and track record ...

Senior Product Engineer - AI-Driven Fintech Compliance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Adclear in Greater London is seeking a Full-Stack Product Developer to own the end-to-end delivery of compliance-related products. The ideal candidate will have strong skills in TypeScript and React, and the role offers a dynamic environment with real ownership of product features. ...

Lead Engineer in London - Daphne Technologies LLC

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
practices including code reviews, testing standards, CI/CD pipelines, and monitoring strategies for production NestJS/React applications. Qualifications 6+ years of full-stack engineering experience in SAAS and API development, with deep expertise in Node.js/NestJS, PostgreSQL optimization, and React applications. Proficiency ...

Staff Software Engineer, Generative AI, Applied Innovation Factory

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to the company’s needs with opportunities to switch teams and projects … grow and evolve. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward. We are a team of experienced engineers and technologists working directly with Cloud leadership. ...

Head of Software Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Full time London (UK)/Hybrid 21 MAY 2026 Head of Software Engineering Location: London, UK (Hybrid) Company: Spaceflux Ltd Reports to: Chief ProductOfficer About Spaceflux Spacefluxdelivers sovereign-grade optical space intelligence through a global network of optical and SWIR-enabled sensors and an AI-powered cloud platform. … working alongside our current remote team Own engineering delivery: sprint cadence, quality, velocity, and the relationship between product requirements and technical reality.Workingwithour Systems Engineer and delivery team. Drive platform stability and scalability as the sensor network expands to 25+ sites and customer demand grows. Lead on engineering security ...

Senior Software Engineer, Guest & Host

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
culture of knowledge sharing and continuous learning Your Expertise: 5+ years of experience in a hands‐on software engineering role in backend/full-stack development Bachelor’s and/or Master/PhD’s degree, preferably in CS, or equivalent experience Considerable experience working … with a disability and require reasonable accommodation in order to submit an application, please contact us at: reasonableaccommodations@airbnb.com . Please include your full name, the role you’re applying for and the accommodation necessary to assist you with the recruiting process. We ask that you only reach ...

SaaS Technical Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Software Engineer London (Hybrid – 1 day per week in office) £70,000–£100,000 + Benefits Certus Recruitment is partnering with an innovative fintech business operating at the intersection of financial services, digital assets, and modern software engineering. As they continue to build a highly regulated next … Responsibilities Design, develop, and maintain backend services and APIs Build and enhance high-integrity transaction, settlement, and ledger systems Deliver features across the full software lifecycle, from design through deployment Contribute to customer-facing applications and internal operational tooling Collaborate on smart contract integrations and blockchain-based workflows ...

Principal Field Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
deep understanding of the Agentic AI landscape to create trusted, mission-critical industrial agents via Cognite Atlas AITM . Full-Stack Solution Engineering: Ability to orchestrate and build end-to-end prototypes—integrating GenAI components, CDF data models, and legacy customer systems—using scalable software practices ...

Senior Engineer, Ad Tech & AI Platforms

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leading media company in Greater London seeks a Senior Engineer to drive the design and implementation of advertising products. You will mentor engineers and lead the development of scalable systems in an ad tech environment. Applicants should possess at least 8 years of software engineering experience and strong … full stack capabilities, with a passion for mentoring and enhancing engineering standards. This role promises a modern, cloud-native work culture and significant impact on system design and operations. #J-18808-Ljbffr ...

Senior eFX Engineer: High-Frequency Trading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
STATE STREET CORPORATION is seeking an enthusiastic full-stack developer to join their EFX London team. The role requires writing high-performance Java and Rust code while working on bespoke trading solutions that operate globally. The ideal candidate has extensive experience in automated trading and finance ...

Principal Engineer, Web Platform – Team Web

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
opportunity? Fin’s website is a strategic growth lever for the company — powering storytelling, brand, experimentation, and product discovery. As our Principal Engineer, you will shape the technical direction and architectural evolution of our web platform and systems. You’ll act as the technical leader across our marketing … surfaces. This is a cross‐functional engineering leadership role, partnering with marketing, analytics, design, data science, and engineering teams — to ensure our web stack is modern, performant, measurable, and delightful to build on. You’ll operate with a high degree of autonomy and will be accountable for setting ...