1,348,291+ Full Stack Javascript Developer Jobs in UK — Top Companies Hiring July 2026

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Strategic Sales Lead, AI Natives

Location: London, UK (Hybrid - Tuesday to Thursday in the office) Reporting to: Chief Revenue Officer NexGen Cloud is the company behind Hyperstack, a full-stack AI cloud serving tens of thousands of customers from AI researchers to enterprises running the world's most compute-intensive workl ...

Staff Machine Learning Engineer

Waymo is an autonomous driving technology company with the mission to be the world's most trusted driver. Since its start as the Google Self-Driving Car Project in 2009, Waymo has focused on building the Waymo Driver—The World's Most Experienced Driver™—to improve access to mobility while saving thousands ...

Frontend Engineer, Scale

Attributes We Value You bring strong role-related expertise and sharp thinking, and you’re motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor. You’re humb ...

Tech Principal

Tech Principal: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always make a remarkable ...

Technical Lead eSC or eDV Clearance Required

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands‑on experience with cutting‑edge technologies, and deliver ...

Lead AI/ML Platform Engineer — Python & Scalable Systems

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the AI/ML Data Platforms business, you are an integral part of a team that works to enhance, build, and deli ...

Senior Software Development Engineer (.Net/C#)

The payments service team are the heart of Tesco Technology, serving 28 million+ shoppers in the UK and abroad. We deliver HTTP services that reliably manage payments at global scale, 24 hours a day every day. We also provide capabilities that detect and prevent fraud and build upon innovative technologies ...

Technical Lead eSC or eDV Clearance Required

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands‑on experience with cutting‑edge technologies, and deliver ...

Lead Software Engineer AI/ML Data Platforms AI Engineer Python

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the AI/ML Data Platforms business, you are an integral part of a team that works to enhance, build, and deli ...

Senior Software Engineer Fixed Income Trading

Senior Software Engineer - Fixed Income Trading Location London Business Area Engineering and CTO Ref # **Description & Requirements** Bloombergu2019s Fixed Income Trading systems offer end-to-end trading workflows including price discovery and neg ...

Senior Software Engineer Fixed Income Trading

Senior Software Engineer - Fixed Income Trading Location London Business Area Engineering and CTO Ref # **Description & Requirements** Bloombergu2019s Fixed Income Trading systems offer end-to-end trading workflows including price discovery and neg ...

Software Technology Manager

The Role As a Software Technology Manager, you will work with Arm's key customers to define and prioritise requirements for software enablement and optimization and to develop strategies to deliver them working within Arm and our software ecosystem. Our Central Engineering ...

Lead Software Engineer AI/ML Data Platforms AI Engineer Python

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorgan Chase within the AI/ML Data Platforms business, you are an integral part of a team that works to enhance, build, and deliver trusted market-lead ...

Software Technology Manager

The Role As a Software Technology Manager, you will work with Arm's key customers to define and prioritise requirements for software enablement and optimization and to develop strategies to deliver them working within Arm and our software ecosystem. Our Central Engineering ...

Platform Software Engineer Platform Remote, UK

Ground Truth Labs GTL is a well‑funded, early‑stage startup developing state‑of‑the‑art digital technologies to better understand, diagnose and treat blood cancer patients. We have built an exceptional, small‑by‑design, interdisciplinary team to translate leading academic research into re ...

Security Engineer

Security Engineer Security Engineer with strong expertise across the Microsoft security stack, including proven experience implementing Purview, who enjoys working in lean, evolving cyber security functions and can drive meaningful improvements in security capability and maturity. Day R ...

Security Engineer

Security Engineer Security Engineer with strong expertise across the Microsoft security stack, including proven experience implementing Purview, who enjoys working in lean, evolving cyber security functions and can drive meaningful improvements in security capability and maturity. Day R ...

Head of Restaurant Quality Food Development

Restaurant Kits, located in Greater London, is looking for a talented food developer to join their team. The candidate will work closely with top chefs and restaurants, ensuring that premium at-home dining experiences are created. Responsibilities include sourcing ingredients and training the production team ...

Power Platform Engineer – Azure, CI/CD & Agile DevOps

TestYantra Software Solutions, located in Greater London, is looking for a skilled software developer experienced in the full Software Development Lifecycle. Key responsibilities include implementing Agile and DevOps methodologies and programming custom .NET workflows. Ideal candidates should have good ...

Azure .NET C# Engineer — AI, Data Flows & UI/UX

Java Script Works is seeking a skilled .Net C# Azure Developer for a full-time position in Greater London. The ideal candidate will be proficient in Git, PowerShell, Docker, and SQL while also being familiar with technologies including TypeScript, HTML5, and Azure. The role offers a competitive salary ...

Wind Tunnel C++ Software Engineer – Hybrid Role

A leading aerospace company in Bristol is seeking a skilled C++ developer to enhance their Wind Tunnel software. This full-time role involves programming, maintaining, and optimizing software systems used for crucial aerodynamic tests. Applicants must demonstrate a strong background in C++, experience with legac ...

Senior Embedded Security Software Engineer (C/Python)

A security solutions company in Cambridge seeks a Senior Software Developer skilled in C and Python for embedded systems. Responsibilities include designing and testing next-gen cryptographic Hardware Security Modules. Candidates should have a degree in a relevant field and experience in Linux environments. This ...

Senior AI Software Engineer Foundry, Newcastle

Cyber Security training courses is looking for an AI Foundry Software Developer to join their team in Newcastle. This full-time in-office position involves working on AI-augmented business applications. The ideal candidate will possess strong programming skills, hands-on experience with Typescript and ...

Remote Python Software Engineer Oxford or Remote OxSource

Python Software Engineer – Oxford or Remote Remote worldwide An exciting tech scale-up based in Oxford is looking for Python Developers to join the team. The successful applicant would ideally have 1+ years commercial experience as a Python Developer. Compensation: ...

Labourer

Labourer Knightwood are currently recruiting for an experienced and professional Labourer for a well-established housing developer in Welywn Garden City Job Details:Will involve all aspects of general labouring duties including keeping site tidy, unloading and moving materials and assisting t ...

Project Engineer

We're recruiting on behalf of a cloud-first, technically led Managed Service Provider whose philosophy is to stay top‑heavy with technical capability; they only sell what they can design and deliver themselves. For you, that translates into fewer layers of non‑technical management and far more day‑to‑day ...

Portfolio Lead at Multiverse

Job Title Portfolio Lead Salary Not Disclosed Company Description Multiverse.io is a Series D-funded edtech leader backed by Bessemer Venture Partners, reinventing professional development by replacing traditional degrees with high-impact apprenticeships in dat ...

Senior Platform Engineer Core Platform (UK)

Leeds, England, United Kingdom; London, England, United Kingdom About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners worldwide by offering products and s ...

Building Safety Remediation Manager Major Works Project 12 Month FTC

BUILDING SAFETY REMEDIATION MANAGER MAJOR WORKS PROJECTS (12 MONTH FTC)Are you ready to apply Make sure you understand all the responsibilities and tasks associated with this role before proceeding.Rendall & Rittner £Competitive, aligned to experience Home Based 12 month FTCROLE OVERVIEWThis role ...

Senior Backend Engineer — Scalable AI Security Platform

A cutting-edge cybersecurity firm in London is seeking a Senior Software Engineer to lead complex projects focused on developing scalable backend systems and ML tools. The ideal candidate will possess at least 7 years of experience, particularly in Python and cloud services like AWS. Responsibilities include man ...

Strategic API & Integrations Product Manager

A leading UK tech firm is seeking a Technical Product Manager to drive integration strategy and product roadmap for their HR Tech platform. This role merges product management with business analysis, focusing on translating partner needs into actionable specifications for engineering teams. The ideal candidate w ...

One Identity IAM Specialist (Hybrid, UK)

A leading British media company is looking for a One Identity Developer (hybrid work) to shape their Identity and Access Management roadmap. The ideal candidate will have extensive hands-on experience with One Identity Manager and IAM protocols. Responsibilities include designing IAM solutions, collaborating on ...

Platform AI Engineer: Scale LLM/ML Infrastructure

Jobgether is looking for an Applied AI Engineer based in the United Kingdom. This high-impact role focuses on building foundational AI and machine learning systems across the organization. You'll work in a collaborative environment to create shared capabilities used by multiple teams, emphasizing reliability, ...

Senior Site Manager

Overview Senior Site Manager - Residential Developer — Location: Coventry. Project: 140-Unit New Build Housing Development. Salary: Up to £75,000 + 20% Bonus + Car Allowance + Benefits. Knightwood Associates are recruiting on behalf of a well-established residential developer with a ...

AWS API Engineer / Data Architect

Who You Will Be Working With You will be part of the Data Platforms team within the Insights and Data Global Practice, which has seen strong growth and continued success across a variety of projects and sectors. Data Platforms is home to API Engineers, Data Engineers, Platform Engineers, Solution ...

IoT Engineer

Job Description **Who will you be working with?** We are seeking an experienced IoT Engineer to join our team at Wabtec UK where we support our customers through maintenance and operation optimisation with customised solutions for spare parts, repair, and overhaul activities on existing trains. ...

Head of Engineering

One of London's most interesting FinTech companies is looking for a Head of Engineering to join their well-established team who are tackling a really interesting niche.As the Head of Engineering, you will be taking the reins of a functioning team which is split between the UK and India. Some key points ...

Software engineer, AI product

About Watershed Watershed is the enterprise sustainability platform. Companies such as Airbnb, Carlyle Group, FedEx, Visa, and Dr. Martens use Watershed to manage climate and ESG data, produce audit‑ready metrics for voluntary and regulatory reporting—including CSRD—and drive real decarbonization. ...

Software engineer, AI product London

About Watershed Watershed is the enterprise sustainability platform. Companies like Airbnb, Carlyle Group, FedEx, Visa, and Dr. Martens use Watershed to manage climate and ESG data, produce audit-ready metrics for voluntary and regulatory reporting including CSRD, and drive real decarbonization. ...

Observability Engineer

Location: Telford Job Type: Contract Industry: Digital Workspace Job reference: BBBH442534_1782980523 Posted: about 1 hour ago Observability EngineerRate: £598 Clearance Required: SC Eligible Duration: 6 months Location: Telford - 2 days min per month IR35 Status: Inside<b ...

Observability Engineer

Location: Telford Job Type: Contract Industry: Digital Workspace Job reference: BBBH442534_1782980523 Posted: about 1 hour ago Observability EngineerRate: £598 Clearance Required: SC Eligible Duration: 6 months Location: Telford - 2 days min per month IR35 Status: Inside<b ...

Software Engineer Scotland

Software Engineer (Full Stack) Locations: Glasgow/Edinburgh (must be willing to travel to client sites throughout the UK on an ad hoc basis). Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, ...

Fullstack Engineer

We are seeking passionate Full Stack Engineers to join product teams focused on building impactful digital solutions for government agencies. In this role, you will work within cross-functional product squads comprising Product Owners, Product Managers, UX Designers, Quality Engineers, and fellow E ...

Senior Software AI Engineer

About the Company We are partnering with a fast-growing, AI‑first company to build enterprise‑grade intelligent systems that are already live in real‑world, high‑impact environments. About the Role This role is focused on execution and ownership: taking complex problems and turn ...

Python Software Engineer Microscope Control in London Micrographia Bio

Python Software Engineer - Microscope Control London, United Kingdom Posted 10 months ago Tech stack Python robotics Software Engineer Micrographia Bio's Mission Our mission at Micrographia Bio is to deliver a new era of drug discovery usi ...

Midlevel Backend Engineer in Sheffield Bumper

Midlevel Backend Engineer Sheffield, United Kingdom Posted 10 months ago Tech stack SQL CI/CD Databases Backend Django Python Requirements 3+ years of experience developing backend sy ...

Junior Frontend Engineer 35 to 50k in London SeedLegals

Junior Frontend Engineer 35 to 50k London, United Kingdom Posted about 1 year ago Tech stack React TDD Frontend web Vue.js Angular Nice-to-haves Personal projects (blogs, open-source contributions, freelanc ...

Lead D365 Engineer (Finance) in London On

Lead - D365 Engineer (Finance) London, United Kingdom Posted over 1 year ago Tech stack C Dynamics 365 Finance TypeScript Experience and Skills With a strong background in Dynamics 365 development and implementation, particularly ...

Software Engineer III Python in Bournemouth JPMorgan Chase & Co.

Software Engineer III - Python Bournemouth, United Kingdom Posted 9 months ago Tech stack web Python Flask REST Software Engineer Django API Experience & Qualifications Hands-on p ...

Network SRE in London Quant Capital

Network SRE London, United Kingdom Network Site Reliability Engineer role focused on developing and maintaining network and datacenter infrastructure. Responsibilities Develop network and datacenter infrastructure with consistent and straightforward processes. ...

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    Full Stack Javascript Developer Jobs in United Kingdom Job Search Guide, Trends and Insights