full stack javascript engineer jobs in London

Who We AreKonrad is a next generation digital consultancy. We are dedicated to solving complex business problems for our global clients with creative and forward-thinking solutions. Our employees enjoy a culture built on innovation and a commitment to creating best-in-class digital products in use by hundreds of millions of consumers around the world. We...

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life...

Confidential | Elite Global Hedge Fund in Central London (Mayfair) seeks an exceptional Full Stack Software Engineer to build high-performance applications for investment decision-making, trading, portfolio management and risk.You will own end-to-end design and delivery, work across the stack with C#/.NET and/or Java, shape scalable architectures, and...

Lyst is a global fashion shopping platform founded in London in 2010 and catering to over 160M shoppers per year. We offer our customers the largest assortment of premium and luxury fashion products in one place, curating pieces from 27,000 of the world's leading brands and stores. In 2025, Lyst joined Zozo, operators of Zozotown, the leading fashion...

Clearing Full Stack DeveloperHybrid Working - London -50% a week on site.Financial ServicesLorien's leading banking client is looking for an experienced Full Stack Developer to join a major greenfield technology programme within Financial Services.You will be part of a team building a brand-new Asset Servicing platform, replacing both an existing legacy...

Build and own polished full-stack product features from problem definition through production. Responsibilities include making interface decisions, developing with Python, FastAPI, PostgreSQL, Next.js, and TypeScript, using AI and LLM tooling, modeling production data, writing SQL, safely changing live data, and working autonomously with users and...

📍 Location: UK or Netherlands 🛠️ Tech stack: Ruby, Angular, TypeScript, SASS, design system, Contentful, GitHub Actions 🎯 Focus: hands-on full stack product work, with room to grow into frontend **About Tech At Bloom & Wild Group 🌸** We're Europe's largest direct-to-consumer flower and gifting business (Bloom & Wild, bloomon...

Fantastic opportunity to join a world class Investment Management business.Is this the role you are looking for If so read on for more details, and make sure to apply today.Send your CV for more info! We are seeking a highly experienced Senior Full Stack Engineer to contribute to the design, development and optimisation of front office applications.This role...

Do you enjoy working on the sort of ground-breaking product that lifts the bar for an entire industry? Smart Communications has done it before, we're doing it again, and we're looking for an experienced full stack developer to help. About Smart Communications Smart Communications is a leading customer engagement technology provider for regulated industries....

# Senior Full Stack EngineerLondon, United Kingdom · HybridEngineering · Full-timeApply for this job## About the roleWe're building an advertising management platform that helps businesses optimise their social campaigns, with a focus on Meta (Facebook) ads and seamless bulk ad launching. This role is based in London.* Stack: Next.js, React, Tailwind CSS,...

iProov is hiring a Full-Stack Software Engineer to own core architecture of the Enterprise Identity Portal. You will work in an AI-first environment, leveraging AI coding assistants to accelerate development and run automated security reviews.You will design secure REST APIs in C# Web API, build modular frontend components with React/TypeScript, and...

Full Stack Software EngineerLondon (Hybrid: Tue-Thu in office, WFH Monday & Friday) | Permanent | 70,000-80,000Our client has built a comparison service for the UK wealth industry - it's live and working - and they're now expanding their tech stack considerably. They're hiring a mid-level developer to join the core build, working directly with the...

Job Description We are seeking an experiencedJava Full Stack Developerwith strong expertise in building scalable enterprise applications using modern Java technologies, cloud-native architectures, and microservices. The ideal candidate will have hands-on experience withKafka, Kubernetes, API Security, Observability tools, SQL databases, and Spring-based...

Role: Lead Full-Stack DeveloperLocation: Hybrid - 3 days per week in Clapham JunctionWho we are...We're not like any other gym company; we are The Gym Group, a place where you can #BeYouWithUs and perform to your absolute best. We are successful; by membership we're the 2nd largest gym business in the UK and the 4th largest in Europe. We hire people with...

Java Full Stack Engineer - SC Cleared **Contract:** 12 months **Location:** London **Working Model:** Hybrid - 2 days onsite, 3 days remote **Rate:** £500 inside IR35 per day **Clearance:** **UK Security Check (SC) clearance required** The Opportunity We're seeking an experienced **Java Full Stack Software Engineer** to join a...

Hays are now looking for an SC Cleared Senior Full Stack Developer for one of our local clients:£550 p/d Inside IR356 month+ contractRemoteMust be SC ClearedWe are seeking a Senior Developer to join a business-critical engineering team, providing technical leadership across the development lifecycle while supporting the delivery, enhancement and operation...

Описание:Networks as a Service (NAAS) helps State Street’s global network team transform network and network security operations into an automated environment. The organization develops next-generation network automation architecture and products for institutional investment services.Задачи:Develop full stack solutions to automate network...

Description We are seeking highly skilled multiple Senior Full Stack Developers to join our team in a high-impact, client-facing capacity. You will be instrumental in architecting and deploying robust, scalable applications for a diverse range of clients across the UK and EMEA. Department Services Location Remote, UK The role is remote but the successful...

Join a team that is redefining how enterprise infrastructure technology is built, delivered, and scaled. At JPMorganChase, we invest in our engineers — giving you access to cutting-edge tools, meaningful mentorship, and the opportunity to grow your career across one of the world's most complex and innovative technology organizations. Here, your work...

Full-Stack Engineer * Kings cross, London * £85,000–£105,000 * 5x Positions We're hiring Full-Stack Engineers to build Descrial end to end, from the database to the interface. Our clients trust us with confidential financial data, so security, tenant isolation, auditability and a polished experience are engineering constraints, not...