Full Stack Engineer Jobs in London

276 to 300 of 487 Full Stack Engineer Jobs in London

Senior AI Engineer

London, United Kingdom
Burns Sheehan
Senior AI Engineer Salary: 130k-150k Series A funded start-up Equity options available Work location: One day a week at Monument/Bank Benefits: 25 days holiday, bank holidays, and birthdays off Are you a Senior AI Engineer looking to join one of the world's most innovative AI start-ups? This business, backed by … Google Ventures, Balderton Capital, and TQ Ventures (who have founded over 82 Unicorns), aims to be the next big thing. The company is developing a full end-to-end AI solution based on finely tuned LLM technologies. As a Senior AI Engineer, you will help build and develop the new AI product suite. Working closely with … model R&D. Your day-to-day tasks will involve solving abstract problems and utilizing modern AI tools and models across the entire data and engineering stack. Tech Stack AI Engineering: Python, LangChain, LlamaIndex, LangGraph AI Models: OpenAI, Anthropic, Gemini, Custom Models Data Tools: DBT, BigQuery Databases: PostgreSQL, OpenSearch, Redis Product Engineering: TypeScript (Full-stack More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Java Engineer

London, United Kingdom
Premier IT
I'm working with a fantastic software company that's looking for a Principal Software Engineer to join their team. They've developed a powerful product that utilises data analytics and machine learning to optimise inventory data, built primarily on Java. This is a key role where you'll take ownership of the technical roadmap and manage solutions … architecture, acting as a vital link between leadership and the engineering team. Job Title: Principal Software Engineer Location: Central London (Office Based) Salary: 80,000 - 95,000 Industry: Software/Data Analytics Requirements: Over 7 years of experience as a Full Stack Developer. Proven track record in leading product development and architecting solutions. Demonstrated … retrospective routines , fostering continuous improvement. Drive the investigation and adoption of new technologies, tools, and processes to enhance product and solution delivery. If you are an highly experienced Full Stack Java Developer and have brilliant experience with Architecture and Roadmaps then Apply More ❯
Employment Type: Permanent
Salary: GBP 80,000 - 95,000 Annual
Posted:

Founding Software Engineer Python and React

London, South East, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
Founding Software Engineer (Python and React) Remote (1 Week Per Month in Barcelona - Espensed) Salary: £180,000 + Benefits About the Company: Our client is a UK-based deep tech start-up specializing in AI technology. They are looking for a Full Stack Engineer to join their dynamic and rapidly expanding team. More ❯
Employment Type: Full-Time
Salary: £100,000 - £180,000 per annum
Posted:

Senior Software Engineer

London, United Kingdom
Growth Kitchen
Highlights: Senior/Lead Engineer, deep involvement in product (we don't have PMs), work directly with the founders of a series A food tech company, significant stock options, build and manage a world class engineering team, full-autonomy on technical roadmap, best ideas win: no politics, just build, leverage AI across all areas of the … people and we're a profitable business, our engineering team still young and small. You will be joining a team of three (including you). One Junior Engineer and one incredible AI/Data Science Engineer. As our first Senior/Lead Engineer, you will be an integral part of the management team, working side by … side with the founders and ourAI/Data Science Engineer. You will have full autonomy to build the team as you see fit, support our product roadmap and define our technical roadmap. We will allocate all the resources you need to building the team and staying at the forefront of technological innovation in the food space. The role More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead DevOps Engineer Azure - Hybrid

City of London, London, United Kingdom
Hybrid / WFH Options
Pathmere Partners Limited
Lead DevOps Engineer Azure | FinTech/Financial Services | Hybrid | UK-Based Salary: £90,000£110,000 + Bonus + Benefits Location: London or Leeds (Hybrid 1 day onsite per week) Job Type: Permanent | Full-time Sector: Technology/Cloud/DevOps Start Date: Immediate or negotiable Overview A leading financial services technology company is hiring a … Lead DevOps Engineer to take ownership of their Azure infrastructure and DevOps practices. This role is ideal for a senior DevOps professional who wants to lead from the front in a fast-moving FinTech environment, working on scalable, secure, cloud-native systems. Youll play a key role in designing and delivering infrastructure solutions that underpin critical applications across …/CD pipelines (Azure DevOps, GitHub Actions, etc.) Solid scripting skills (PowerShell and/or Bash) Financial services or FinTech background is a plus but not essential Tech Stack Includes: Microsoft Azure Terraform, Bicep, ARM templates Docker, Kubernetes (AKS) Azure DevOps, GitHub Actions Helm, Prometheus, Grafana, App Insights PowerShell, Bash Benefits Competitive base salary More ❯
Employment Type: Permanent, Work From Home
Posted:

Client Solutions Engineer

London, United Kingdom
Luminance
Fifty list and the recipient of two Queen's Awards, Luminance is the world's most advanced AI technology which is disrupting the legal profession. The Customer Solutions Engineer role offers a unique opportunity to work across Sales, Product and Customer Success, accelerating our customers' technical teams ability to get connected and unlock the value of Luminance. This … accelerate their success. Excitingly, this role also involves creating scalable resources such as reusable toolkits, SDKs, and comprehensive documentation to meet developers where developers live. A Customer Solutions Engineer will acquire in-depth knowledge of our AI platform and how it can be effectively integrated into various customer systems. They will work closely with prospective and existing customers … to provide expert advice and support, ensuring a seamless and efficient integration process. Collaborating with Account Executives, Product Specialists and Customer Success Managers, the Customer Solutions Engineer will play a crucial role in converting prospects into satisfied, long-term customers. Responsibilities Collaborate with Account Executives, Product Specialists and Customer Success Managers to deliver effortless technical integration experiences. Act More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior / Lead Software Engineer

London, United Kingdom
Growth Kitchen
fast (UK international soon) and bottlenecked by automation. We have more customer demand than we can handle with our current technology. As our first senior/lead product engineer, you will be an integral part of our rapidly growing startup. You'll have the opportunity to build beyond the limitations typically found in larger firms, directly shaping our … for learning and career growth, allowing you to develop a diverse skillset while making meaningful contributions in an environment that values innovation and fresh perspectives. You will have full autonomy to build the team as you see fit, support our product roadmap and define our technical roadmap. We will allocate all the resources you need to building the … team and staying at the forefront of technological innovation in the food space. We are offering significant stock options. Stack TypeScript Node.js React NestJS Tailwind Postgres Projects Own & evolve our data ingestion engine (Deliveroo/Uber/JustEat) Build self-serve dashboards for kitchens & food brands Greenfield: AI food quality control (models + Mechanical Turk) Greenfield: AI & Gamified More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Clinical Engineer

London, United Kingdom
Anima
feel like you're a 'flowchart robot' just following a pre-defined set of guidelines? Do you miss thinking creatively and imaginatively ? Join Anima, and as a Clinical Engineer, you'll use your medical training every day to solve super interesting technical problems that will save lives - problems that only you, a Clinical Engineer with your … from ideation to real usage. Here are 2 concrete examples with specs and timelines (we'd be delighted to demo any of these to you): Alex, a clinical engineer, built 'Slack for medical teams', supporting 1000s of channels per organisation and a real time single source of truth for patient data, in 4 weeks, picking up a large … senior executive role. Expert competency in TS, plus being reasonably tech + language agnostic. Comfortable with key frameworks/libraries like Angular, Node and React. Able to work full stack in JS/TS. Values pragmatism and open discussion from first principles rather than dogma. Seeks to maximise not only self productivity, but combined team productivity More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Back Office

London, United Kingdom
Hybrid / WFH Options
RVU Co UK
Senior Software Engineer - Back Office Department: Engineering Employment Type: Permanent Location: London Description Hybrid: 2 days per week in our London office (Tower Bridge/London Bridge) Every household in the UK uses energy. Meeting the needs of this diverse population requires close collaboration with some of the largest companies in the world to develop energy products. The … accountable for the whole product, and work on Feature ideation, development and measurement Defining, evolving, and applying team processes Developing simplified domain models for the product Maintaining the full stack, from product to payouts Building efficient CI/CD pipelines Optimizing the UX & performance of the product across devices What we're looking for Experience working … deliver effective solutions to address business & consumer challenges. Committed to your own development and excited to make a direct, substantial impact within a company that provides you with full autonomy to release changes daily. Our Commitment to you At RVU, we are dedicated to developing valuable, inclusive, and user-friendly products and services that deliver positive outcomes for More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Engineer London

London, United Kingdom
Hybrid / WFH Options
Oddbox
Location: Hybrid (minimum 2 days/week in our Vauxhall, London office) Contract Type: Permanent, Full-time Salary: £75,000-£85,000, based on experience Eligibility: UK-based applicants only - we are unable to offer visa sponsorship now or in the future About Oddbox Oddbox is revolutionising the fight against food waste with our fruit and veg subscription … re scaling our technology and impact even further. Join us to help shape smarter, data-driven solutions that power more sustainable operations and deliver joyful customer experiences. Senior Engineer Opportunity - Join Our Impact-Driven Technology Team We have two exciting openings for mission-driven Senior Engineers to be at the heart of our tech innovation. You'll collaborate … team, with the support of Jack Key Engineering Responsibilities Leading on the successful delivery of complex projects and features across both the backend and frontend of our tech stack, contributing directly to key product goals by working on technical designs and building quality solutions. Increasing team velocity and efficiency through the adoption of engineering best practices and improved More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer - Java

London
Hybrid / WFH Options
Starling Bank
across the business, we are in this together! The way to thrive and shine within Starling is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, discovering, to sharing knowledge with your colleagues and making sure all processes are efficient and productive to deliver the best … the office a minimum of 1 day per week. Our Engineering Environment Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear from the team in our latest blogs or our case studies with Women in Tech . We are looking for engineers at all levels to join … are looking for people who want to work on building the tooling that is used by our engineers on a daily basis. The main part of our Tech Stack is listed below, we don't ask that you have experience in all of this, but if you do, that's great! Java, which makes up the majority of More ❯
Employment Type: Permanent
Posted:

Technical Systems Engineer/Developer.

London, United Kingdom
Cisco Systems, Inc
Social network you want to login/join with: Technical Systems Engineer/Developer., Feltham col-narrow-left Client: Cisco Location: Feltham, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 3481de2f349b Job Views: 4 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: Meet the Team Cisco's Workforce Productivity Applications … of tools to choose from, and enable people to work seamlessly in a hybrid world. The team, as part WPA, has an opening for an Email Technical Systems Engineer/Developer to join our dedicated world-wide team. In line with WPA and DW's overarching objectives, we aim to reduce employee friction by 50% and integrate AI … architectural and operational analysis. Maintain a safe and healthy work environment by following and enforcing standards and procedures and aligning with legal regulations. Minimum Qualifications: An experienced IT engineer with a strong development background and email-based technology approach. You will have a proven track record in designing and developing front-end and backend systems, in particular front More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer, Agent

London, United Kingdom
Sierra
AI agents that transform how they operate at scale. You'll also partner with the most cutting-edge startups in London, embedding AI agents across their entire business stack to drive innovation and efficiency. Build the future of the platform: Your direct work with customers will guide the evolution of Sierra's core platform. You'll surface unmet … clear, direct, and persuasive across technical and non-technical audiences Even better Experience building or deploying AI/LLM systems in production Have been a founder or founding engineer - you know what it means to balance craft, ownership, and speed Familiarity with tools that power today's AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering … respect each other and celebrate each other's personal and professional achievements. What we offer We want our benefits to reflect our values and offer the following to full-time employees: Flexible (Unlimited) Paid Time Off Medical, Dental, and Vision benefits for you and your family Life Insurance and Disability Benefits Retirement Plan (e.g., 401K, pension) with Sierra More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Data Engineer

London, United Kingdom
Hybrid / WFH Options
Dept
expertise in leveraging AI. The team includes data strategists, consultants, data scientists and analysts that work alongside DEPT teams around the world across different services - from commerce, to full-funnel media, content engineering to internal operations. You will be solving some of the hardest and most challenging problems facing some of the best loved brands in the world … analytics, and AI to deliver exceptional data-driven solutions that build lasting relationships with our clients like Footlocker, Nikon, Rituals, and Philips. ROLE OVERVIEW As a Senior Data Engineer you're supporting our clients in architectural design, implementation and researching of the more complex data integrations setups. You also work on providing other data consumers like data scientists … the needed data for their data models and watchdog continuous delivery on projects, periodically reviewing the current tech stack decisions and challenging the components from every aspect - operational, security and cost aspect. JOB PURPOSE As part of the EMEA Data craft team, you will be responsible for delivering technical excellence on complex client projects. Our Data Engineers are More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Machine Learning Engineer - Agentic AI

London, United Kingdom
Trainline
We work closely with stakeholders across the business to expand the understanding and impact of machine learning and AI throughout Trainline. We are looking for a Machine Learning Engineer to join the Product ML team to help shape the future of train travel. You will build highly innovative AI and ML products working alongside engineers, scientists and product … to work with fellow ML enthusiasts on large-scale production systems, delivering highly impactful products that make a difference to our millions of users. As a Machine Learning Engineer at Trainline you will Work in cross-functional teams combining data scientists, software, data and machine learning engineers, and product managers Design and deliver NLP based machine learning systems … at scale that drive measurable impact for our business Own the full end to end machine learning delivery lifecycle including data exploration, feature engineering, model selection and tuning, offline and online evaluation, deployments and maintenance Partner with stakeholders to propose innovative data products that leverage Trainline's extensive datasets and state of the art algorithms Create the tools More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Machine Learning Engineer - Recommendations & Reinforcement Learning

London, United Kingdom
Trainline
We work closely with stakeholders across the business to expand the understanding and impact of machine learning and AI throughout Trainline. We are looking for a Machine Learning Engineer to join the Product ML team to help shape the future of train travel. You will build highly innovative AI and ML products working alongside engineers, scientists and product … to work with fellow ML enthusiasts on large-scale production systems, delivering highly impactful products that make a difference to our millions of users. As a Machine Learning Engineer at Trainline you will Work in cross-functional teams combining data scientists, software, data and machine learning engineers, and product managers Design and deliver machine learning systems at scale … that drive measurable impact for our business Own the full end to end machine learning delivery lifecycle including data exploration, feature engineering, model selection and tuning, offline and online evaluation, deployments and maintenance Partner with stakeholders to propose innovative data products that leverage Trainline's extensive datasets and state of the art algorithms Create the tools, frameworks and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

London, United Kingdom
Archa
you're ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: We are looking for a Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth of our engineers and … other partners. Continuing to support and complement Ripple's Payments, Custody and Stablecoin business units WHAT YOU'LL DO: Be an ambitious builder, working up and down the stack, mixing software engineering, data engineering, and distributed systems knowledge to build modern enterprise payment applications. Build reliable, high-throughput, low-latency microservices to power a diverse range of trading … Value impact-driven experimentation of new patterns and tooling Approach of continuous learning and improvement, for yourself and the team Other common names for this role: Front Office Engineer, Java Developer WHO WE ARE: Do Your Best Work The opportunity to build in a fast-paced start-up environment with experienced industry leaders A learning environment where you More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Site reliability engineer

London, United Kingdom
writer.com
GCP, and their services for scalable, resilient systems. Expertise in containerization technologies (e.g., Docker, Kubernetes) and orchestration tools. Knowledge of monitoring and logging tools (e.g., Prometheus, Grafana, ELK Stack) for maintaining system health and performance. Ability to lead and mentor junior engineers in reliability and system optimization best practices. Excellent communication skills for effective collaboration with cross-functional … stakeholders. Proactive in identifying and mitigating potential system failures and performance issues. Preferred skills & experience: Software engineering expertise. Terraform. Python. Kubernetes. Scala. AWS/GCP. Benefits & perks (UK full-time employees): Generous PTO and company holidays. Comprehensive medical and dental insurance. Paid parental leave for all parents (12 weeks). Fertility and family planning support. Early-detection cancer More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Developer, Python, AWS, MedTech, COR7276C

Central London, London, United Kingdom
Hybrid / WFH Options
Corriculo Ltd
Developer, Python, AWS, MedTech, COR7276C This is an excellent Lead Developer position, working for an innovative MedTech company with a growing reputation in their field. Working in a full-stack capacity, but with a back end focus, the Lead Developer will be the focal point of the team and will use their knowledge across Python, cloud … candidate for the role will have some of the following: Solid skills in Python development. The role has a back end focus, but experience of working across the full stack is required Strong cloud experience with AWS Experience ideally, of both Kubernetes and Terraform An understanding or experience within Microservice Architecture or within a microservices environment … the role is of interest, please apply or get in touch today to discuss further. So What's Next? If you are a Lead Developer/Senior Software Engineer, and would like to know more about this excellent opportunity; apply now for immediate consideration! Lead Developer, Senior Software Engineer, Python, Kubernetes, Terraform, AWS, MedTech Corriculo Ltd More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Lead Developer, Python, AWS, MedTech, COR7276C

London, South East, England, United Kingdom
Hybrid / WFH Options
Corriculo Ltd
Developer, Python, AWS, MedTech, COR7276C This is an excellent Lead Developer position, working for an innovative MedTech company with a growing reputation in their field. Working in a full-stack capacity, but with a back end focus, the Lead Developer will be the focal point of the team and will use their knowledge across Python, cloud … candidate for the role will have some of the following: Solid skills in Python development. The role has a back end focus, but experience of working across the full stack is required Strong cloud experience with AWS Experience ideally, of both Kubernetes and Terraform An understanding or experience within Microservice Architecture or within a microservices environment … the role is of interest, please apply or get in touch today to discuss further. So What's Next? If you are a Lead Developer/Senior Software Engineer, and would like to know more about this excellent opportunity; apply now for immediate consideration! Lead Developer, Senior Software Engineer, Python, Kubernetes, Terraform, AWS, MedTech Corriculo Ltd More ❯
Employment Type: Full-Time
Salary: £65,000 - £80,000 per annum
Posted:

C++ Developer - Finance

City of London, London, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
C++ Developer/Software Engineer (TDD FX Options) London to £100k Are you a bright, ambitious C++ Developer with an eagerness to learn and progress your career working on complex financial trading systems? You could be joining the Investment Management arm of a global bank. As a C++ Developer you will design and develop full stack … systems for new FX Derivatives products and connectivity to external vendors, collaborating closely with traders and quants to build the solutions they require. You'll work across the full software development lifecycle including assisting with architecture of new solutions, you'll be working with C++ 14/17 with a TDD environment but will also gain exposure to … Python, TypeScript and React. You'll join a small, highly talented team, working across the full development lifecycle and will be supported to progress your career. Location/WFH: You'll be based in the London office and have flexibility to work from home once a week. About you: You have achieved a 2.1 or above from a More ❯
Employment Type: Full-Time
Salary: £90,000 - £100,000 per annum
Posted:

Backend Developer Java Kotlin AWS

West London, London, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Backend Developer/Software Engineer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend Developer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading silver … and gold. As a Backend Developer you'll collaborate with the Lead Engineer on the whiskey trading platform as the company looks to scale the platform and introduce new features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack … have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech in the stack includes Scala, React, Spring, Oracle, Redis, Kubernetes, Docker and Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's More ❯
Employment Type: Full-Time
Salary: £70,000 - £85,000 per annum
Posted:

Blockchain Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Noir
Blockchain Developer - Web3/DeFi Innovator - London (Tech stack: Blockchain Developer, Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging between L1 and L2, NoSQL databases, Git, Agile, Rust, Go, L2 frameworks, Unity, Unreal, GoDot, Programmer, Full Stack Engineer, Architect, Blockchain Developer) We have an exciting new opportunity for … Our client is looking for a passionate Blockchain Developer with strong skills in Ethereum-based ecosystems. You will be joining a world-class engineering team, contributing across the full stack, from writing performant smart contracts to architecting scalable back-ends and beautiful user-facing interfaces. They will provide exposure and training in: Solidity, Node.js, React, HTML5 More ❯
Employment Type: Full-Time
Salary: £65,000 - £90,000 per annum
Posted:

Head of Integrations

London, South East, England, United Kingdom
REDTECH RECRUIT
the world’s most promising AI companies, is expanding their technical team to support continued growth and success. They are looking for an experienced technical leader to take full ownership of integrations with third-party systems. This is a hands-on, client-facing role ideal for someone who can combine deep technical knowledge with excellent communication and leadership … technically joust at this level Proven track record in software development, system integrations, and creating developer resources such as APIs, SDKs, and technical documentation. Strong experience across Integrations, Full Stack Web Development, and Cloud Architecture. Proficiency with one or more of the following technologies: JavaScript, NodeJS, Python (or equivalent modern frameworks/languages). Demonstrable experience … reasonable adjustments for your application or during the interview process, please let us know by separately emailing (if this email address has been removed by the job-board, full contact details are readily available on our website). Keywords – Head of Integrations/Technical Integration Lead/API Integration Manager/SaaS Integration Engineer/Full More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

JPMorgan Chase

London, United Kingdom
Jointaro
Lead Software Engineer Java- Fixed Income Description For Lead Software Engineer Java- Fixed Income As a Lead Software Engineer at JPMorgan Chase within the Commercial and Investment Bank - Post Trade Technology Group, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in … around the world. Key Technical Skills Required: React or similar frontend frameworks CI/CD implementation System design and architecture This is an excellent opportunity for an experienced engineer looking to make an impact in financial technology while working with cutting-edge systems and global teams. The role offers exposure to complex financial systems and the chance to … code Leads evaluation sessions with business stakeholders Leads communities of practice across Software Engineering Adds to team culture of diversity, equity, inclusion, and respect Requirements For Lead Software Engineer Java- Fixed Income Java React Formal training or certification on engineering concepts and applied experience Advanced in one or more programming language(s) Proficiency in automation and continuous delivery More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted: