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Senior Software Engineers Full stack in London Simple Machines

Skills and Experience Particularly strong in Kotlin or Java. Experience in designing and implementing data-driven APIs. Exposure to frontend development, especially React.js, Tailwind, REDUX, and Typescript. Past project experience with large-scale web services ...

Senior Full Stack Engineer TS + Elixir + AWS | Hybrid | Equity

A leading technology company in London is seeking a Senior Full Stack Engineer to work on innovative Greenfield projects. This role involves a 50/50 split between backend and frontend development, utilizing a tech stack that includes TypeScript, Elixir, Elm, and AWS. You will have a significant role in a small, ...

Senior Full Stack Engineer for AI Powered CX Platform

A leading AI company in Greater London is seeking a Senior Fullstack Engineer to lead innovative projects in customer experience technology. In this role, you will develop and optimize features across the platform, focusing on solving real-world problems and integrating cutting-edge AI capabilities. Ideal candid ...

Full Stack Software Engineer – Early Stage HealthTech/FinTech TWE42522

Overview Full Stack Software Engineer – Early-Stage HealthTech/FinTech - London. Permanent | Competitive Salary + Equity | Seed-Stage Startup | AI, FinTech, Healthcare. We are representing a well-funded, early-stage startup redefining financial visibility in the healthcare sector. Backed by ...

Senior Full Stack Engineer: AI First, LLM Driven Payments

Ophelos Limited is looking for a Senior Software Engineer (Full Stack) in London. The role involves designing and delivering software with ownership, mentoring team members, and collaborating in a hybrid environment. The ideal candidate should have at least 5 years of experience, proficiency in TypeScr ...

Senior Full Stack Engineer: Own AI Platform, Equity, Hybrid

Arcus Search is seeking a Senior Full-Stack Engineer for a high-growth AI technology company in Greater London. This role involves hands-on engineering, where you'll manage end-to-end product development and collaborate closely with various teams to deliver impactful features. The ideal candidate will ...

Full Stack Technical Lead (6 Month Contract) Immediate Start

Full Stack Technical Lead (6 Month Contract) - Immediate Start Full Stack Technical Lead (6 Month Contract) - Immediate Start 1 week ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. About UsAs a leading gro ...

Senior Full Stack Engineer for Fusion Platform Hybrid UK

TP ICAP Group Services Ltd is seeking a Senior Engineer to join a new team focused on building the Fusion Platform with Amazon Web Services (AWS). This role involves technical ownership of software development, mentoring junior team members, and driving engineering improvements. The ideal candidate wil ...

Remote First Full Stack Tech Lead — Equity & Learning Budget

Full-Stack Web Developer — React, FastAPI, Elasticsearch (AWS/GCP) About Clarity Clarity is redefining customer experience with AI. Our mission is to empower businesses to deliver faster, smarter, and more human service interactions. By combining cutting‑edge AI with intuitive design, w ...

Senior Full Stack Engineer, Consumer — AI Driven and Equity

Senior Product Engineer, Consumer (Full-Stack) Location: Nine Elms, London. Full time, 3 days a week on site. You’ll need the right to work in the UK and be based in London. We are not able to offer visa sponsorship for this role. About Zapp Zapp is building the future o ...

Senior Full Stack Engineer: AI Driven Music Data & APIs

Creandum Advisor LLP is seeking a Senior Fullstack Engineer to shape WhoSampled as a standalone product within Spotify's ecosystem. Join a small team to enhance backend services, APIs, and frontend interfaces. The ideal candidate will be adept in Python (Django) and Java, with a robust understanding of ...

Senior Full Stack Java Engineer | Angular, OpenShift, CI/CD

Java Script Works is seeking a Senior Full Stack Java Engineer to enhance its engineering team. The role requires deep expertise in the Java ecosystem with strong skills in Angular, JavaScript, and TypeScript. Responsibilities include making architectural decisions, building web applications, managing containeri ...

Senior Full Stack Tech Lead — TypeScript, Vue & REST APIs

Java Script Works is seeking a candidate with a strong full-stack background and hands-on experience in managing a squad. The ideal candidate will be proficient in TypeScript, Vue, and RESTful APIs, working collaboratively with product and design teams to deliver innovative customer-facing solutions in Greater L ...

AI First Full Stack Engineer Path to CTO Equity

A financial technology company is seeking an experienced Senior Full Stack Engineer to lead the transition to an AI-native platform. You will build a full-stack TypeScript application, develop AI document ingestion layers, and manage the cloud infrastructure. Candidates should have over 5 years of full-stack exp ...

Senior Full Stack Engineer for AI Platform (React/TS)

An innovative AI research company in Greater London is seeking a Senior Full-Stack Engineer to lead the development of an AI-powered platform. This role involves direct engagement with clients to translate their needs into technical solutions. Candidates should have over 6 years of experience with React and Type ...

Staff Software Engineer Full Stack (Bangkok based, Relocation provided)

Staff Software Engineer – Full Stack (Bangkok based, Relocation provided) 16 hours ago – Be among the first 25 applicants About Agoda At Agoda, we bridge the world through travel. Our story began in 2005, when two lifelong friends and entrepreneurs, driven by their passion for t ...

Senior Full Stack Engineer (C#/.NET & React) – Remote UK

A technology company in Greater London is seeking a Senior Software Engineer to enhance their DevOps platform for Salesforce. You will collaborate with the engineering team to design and build new features, while directly engaging with users to gather feedback and shape product improvements. The ideal candidate ...

Senior Full Stack Engineer, TS – AI & Event Driven Systems

Conficio Recruitment Limited is looking for a Senior Full Stack Engineer to significantly impact the development and scaling of mission-critical systems within their AI-driven legal platform. You will work in a highly technical, product-centered team to solve complex design challenges, optimizing the performa ...

Senior Full Stack Engineer for AI/ML Prototyping (London)

Autodesk is seeking a highly skilled Senior Full Stack Software Engineer to join our London team. In this role, you will develop and maintain both backend and frontend applications while supporting machine learning and AI systems. You'll collaborate with research scientists and ML engineers to rapidly prototype ...

Forward Deployed Senior Full Stack Engineer – AI for Gov

A leading AI technology company in London is seeking a Senior Full-Stack Software Engineer to develop innovative AI applications for the public sector. This role requires at least 5 years of engineering experience, specifically with React and cloud technologies. The position involves close collaboration with cli ...

Senior Full Stack Engineer (Java + React) — AI Driven Apps

We are looking for a Senior Full-Stack Engineer to join our global Investment Banking client. You will be responsible for the development and overall implementation of AI-enabled web applications in a complex, critical and large cross-departmental and multi-disciplinary area.The role is part of a multi-ye ...

Senior Full Stack Engineer II — Hybrid Contract, Runner App

Runna is seeking a Software Engineer to join their Core Product team for a 6-month contract. This hybrid role involves building new features for their leading training platform, collaborating closely with AI engineers and the CTO. The ideal candidate has 4+ years of experience in TypeScript/JavaScript, is pro ...

Senior Full Stack Engineer, PHP/Laravel — AI Driven Platform

Superscript is seeking a senior product-focused engineer who can ship ambitious features while maintaining a reliable platform. The successful candidate will work closely with product teams and leverage AI tools to enhance delivery speed and quality. Responsibilities include end-to-end feature ownershi ...

Senior Full Stack Engineer AI for Mental Health + Equity

Limbic is looking for a Senior Full-stack Engineer to develop innovative AI solutions for mental healthcare. You will design and implement robust features to enhance user experience for patients and clinicians. This role includes working from the London office 1 day per week with remote options available. </p ...

Senior Lead Full Stack Engineer: Secure, Scalable Web Apps

A global financial services leader is seeking a Senior Lead Full Stack Software Engineer to contribute to its Cybersecurity team. This role involves designing and developing scalable web applications while ensuring quality and user experience. Candidates should have extensive experience in software engineering, ...

Senior Full Stack Lead: Angular + .NET on AWS (Hybrid)

EPAM Systems is seeking a Senior/Lead Full Stack Developer to design, develop, and deliver high-quality software solutions. This role involves leading projects using Angular for frontend and .NET for backend. Candidates should have extensive experience in enterprise environments, with expertise in AWS and SQL. T ...

Senior Full Stack Engineer Fintech Platform Architect & AI CFO

A fintech startup is seeking a Senior Full-Stack Engineer to own the technical architecture for a platform revolutionizing cross-border finance. You will lead the development of a high-performance React/TypeScript dashboard and build multi-currency wallets using cutting-edge technologies. The ideal candidate has ...

Senior Full Stack Engineer for AI Driven Health Platform

Ally Health is seeking a senior full-stack engineer in Greater London to design and build product features across the tech stack. The role emphasizes ownership from frontend to backend, including the use of AI coding tools for optimized workflows. The ideal candidate should have over 6 years of experience in pro ...

Senior Full Stack Engineer, ESG Data & Dashboards (Hybrid London)

Novata, Inc. is seeking a Senior Full Stack Engineer to join our Engineering team in London. This high-impact role involves developing core tooling that assists companies in managing ESG data. You'll work closely with Product and Design teams, taking ownership of initiatives and ensuring alignment with our mi ...

Senior Full Stack Engineer for Fintech Impact in Africa

Capi Money in Greater London is seeking a talented engineer to shape the product vision and tech architecture. You will work closely with cross-functional teams from London & Paris and build impactful solutions for customers in Africa. The ideal candidate thrives in a startup environment, has experienc ...

Senior Full Stack Engineer: AI SaaS, Remote, Stock Options

A leading tech start-up in the UK is seeking a Senior Full Stack Engineer to join their team and work on creating innovative AI-powered SaaS solutions. You will leverage cutting-edge technologies like React, Next.js, and Typescript to develop impactful products. The company offers competitive salaries with excel ...

Junior Agile Full Stack Engineer — Fast Track to Architect

About the job JR Graduate Agile Full-Stack Engineer At Theodo we aspire to be a “Career Sanctuary” (or a “safe”, career “fast lane”) where opportunities and inclusion are accessible to all, and people are treated with respect and progress based on merit. From Day 1 we will accelerate your t ...

Java Full Stack Engineer | Cloud‑Driven, Client‑Focused Delivery

A leading consultancy firm in Greater London is seeking an experienced Full Stack Engineer to join their Software Engineering Practice. You will be crucial in developing high-quality solutions across the full lifecycle, using technologies such as Java, Angular, and cloud infrastructure. The role includes working ...

Senior Full Stack Engineer: Lead, Build & Scale Cloud Apps

A dynamic technology startup in London seeks a Senior Full-stack Software Engineer to lead and mentor a team. You’ll design and develop applications using Node.js, React, AWS, and Terraform. The ideal candidate has strong technical skills, a degree in a related field, and experience leading projects. This role o ...

Senior Full Stack Engineer (£80 150k + Equity) at Encord

Job Title: Senior Full-Stack Engineer (Front-End Leaning) at Encord Salary: £80-150k + Equity Company Description: Encord - Series C AI infrastructure platform backed by CRV and Y Combinator Job Description: You will lead development of Encord's sophi ...

Full Stack Software Engineer at well funded healthtech SaaS

Overview This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Role Full Stack Software Engineer Company Description Company Descri ...

Senior Full Stack Tech Lead — FinTech Scale Up (Hybrid)

A fast-growing fintech company in London is hiring a Senior Full Stack Software Engineer. This role involves designing and maintaining core services and APIs while collaborating closely with the CTO and other teams. Ideal candidates will have strong skills in Go, experience with both relational and NoSQL databas ...

Senior Full Stack Engineer — Fast, Ownership‑Driven Web & Mobile

Wayfindi is seeking a talented full-stack engineer to join their London team. This role involves working on both backend and mobile/web applications, with a focus on delivering innovative features and integrations. Ideal candidates will have at least 5 years of experience, a passion for swift coding, and strong ...

Senior Full Stack Engineer: Build Scalable, AI Enhanced Ops

Litta App Ltd is looking for a Full Stack Product Engineer (Mid-Senior) to join their hybrid team in London. This role involves building and maintaining applications using Vue, React, and TypeScript, while also developing backend services with Node.js and Firebase. The ideal candidate should have at least 5 year ...

Senior Full Stack Engineer: TS/Node/React, Flexible & Remote

NPAworld is seeking a Senior Full Stack Engineer in Greater London to design, build, and maintain high-performance applications. This position involves working with TypeScript, Node.js, and React, emphasizing clean architecture and performance enhancements. Candidates should have a proven track record with produ ...

Java Full Stack Engineer (DV Cleared) Consultant Digital Excellence

Overview Java Full Stack Engineer (DV Cleared) - Consultant - Digital Excellence at Capgemini Invent. YOUR ROLE Our DV Cleared Java Full Stack Engineers are responsible for creating the visions of our clients and driving better business outcomes. They are tasked with building cutti ...

Lead Full Stack Engineer: Cloud Migration on AWS & Kubernetes

TXP is seeking a Lead Fullstack Software Engineer for a 12-month contract in Westminster, London. The ideal candidate will lead the migration of services off the London Datacentre onto AWS and Kubernetes, primarily working at the application layer. Responsibilities include building shared service templates an ...

Senior Full Stack Engineer (Node/TS/React) — Hybrid + Equity

Skinandme is seeking a Senior Full Stack Engineer in London to lead projects on their Node.js and React stack. This role encompasses end-to-end ownership of features across their commerce and clinical systems. The ideal candidate will have significant experience in full-stack development and a commitme ...

Senior Full Stack Engineer — AI SaaS, Scale & Equity (London)

Job Search Place Limited is seeking Senior, Staff & Principal Engineers to join a B2B SaaS startup in Central London. The role offers a salary range of £90-150k, including equity, with three days a week onsite (Tue/Wed/Thurs). Ideal candidates will have 5+ years of Full Stack experience preferably using React ...

Clinical AI Engineer — Full Stack & Voice Real Time AI

Heidi in Greater London is looking for an Engineer who integrates core product development with clinical applications. This role necessitates formal medical training along with clinical experience to shape AI features for healthcare delivery. In this position, you will handle full-stack development, op ...

SC Cleared Lead Software Engineer Full Stack (React/Node)

TechShack is seeking an experienced Lead Software Developer to support a major public sector program delivering modern digital services. This contract role requires active SC Clearance and strong frontend development experience, particularly with React. The ideal candidate will lead the design and deve ...

Founding Full Stack AI Engineer — Shape AI at Scale

C&D Talent Advisory is looking for a Mid-Senior Software Engineer to join a fast-growing AI company in London. This role involves building core product features and requires expertise in Python and TypeScript. The ideal candidate will have experience in high-growth startups and a strong ownership minds ...

AI Driven Frontend Engineer II — Full Stack, High Impact

Randstad Technologies is looking for a Full-Stack Software Engineer (II) in Central London. This 6-month contract role involves full feature ownership and collaboration with Product and UX teams to help build the next generation of AI-powered tools. Key responsibilities include driving the roadmap for ...

Senior Full Stack Product Engineer (React/TS) – Hybrid London

United Cerebral Palsy of Georgia is seeking a Senior Product Engineer, Full Stack, for a hybrid role based in London. The successful candidate will leverage strong React and TypeScript skills to build customer-facing products while also contributing to backend services using Python and databases. This ...

Full Stack Engineer — ESG Data Platform (Hybrid London, Equity)

Novata, Inc. is searching for an experienced Full Stack Engineer to join their Engineering team. This crucial role involves developing core tooling to help companies manage ESG data. You will work closely with Product and Design teams and drive projects that enhance the user experience. Applicants shou ...

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