137,628+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Remote Full Stack JS Engineer (React/Next.js) – 3 Months

A leading software company in London is seeking a highly skilled Full-Stack JavaScript Developer for a 3-month contract. The role involves developing web applications using React, implementing Server-Side Rendering and Static Site Generation features, and working with various technologies including JavaScript, A ...

System Development Engineer, Reliability and Automation Engineering

System Development Engineer, Reliability and Automation Engineering Job ID: | Amazon UK Services Ltd. Join Amazon as a Systems Development Engineer – Drive Global Innovation in Reliability and Automation.Amazon is looking for a Systems Development Engineer to join our Global RME (Reliab ...

Software Engineer

We’re looking for excellent developers to join our growing Software Engineering organization. Our work is collaborative, and our hiring reflects that. Interviewing at PDT is focused less on filling a specific role, and more on finding great people who can build long‑term, varied careers with us. Sof ...

Senior Machine Learning Engineer, Zeitgeist, Personalization

The Personalization team makes deciding what to play next easier and more enjoyable for every listener. From Blend to Discover Weekly, we’re behind some of Spotify’s most-loved features. We built them by understanding the world of music, podcasts, and listeners better than anyone else and by leveraging the ...

Business Intelligence Engineer, EU Network Flow and Technologies

DescriptionAre you interested in a high-impact role with exposure to senior leaders? The EU Network Flow and Technologies (NFT) team is seeking a customer-focused Business Intelligence Engineer with strong analytical and technical skills to drive performance measurement, innovation, and execution in network ...

Technical Lead

Job Description We believe in the power of ingenuity to build a positive human future. We challenge where it matters and own the outcome. We combine strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world. Why con ...

Senior UI Software Engineer II

About the Role In this role, you will design and deliver production‑grade portals and dashboards that enable customers to interact with large‑scale risk and analytics data in real time. You will work across the stack, collaborating with machine learning and backend engineers to ensure interfaces a ...

Salesforce Developer Outside IR35

Outside IR35, Uk Wide Flexibility, Salesforce Developer, Marketing Cloud, Sales Cloud, Immediate start My leading client in the regulatory area is looking for a Salesforce Developer to join a major digital transformation programme; this is a hands‑on role development role working on enhancements an ...

Frontend Developer

Role: Frontend developer - Nextjs Job Type: Permanent Location: Oxford Street, London, UK Number of hours: 40 hours per week – full time Ready to utilise your experience and expertise in frontend development? We have an exciting role f ...

Senior Software Architect

This engineering software startup is poised for growth and set to break new ground in CAE, liberating engineers from traditional design and creative constraints. Developing a new platform based on founders’ track record in this field, they are seeking a Senior Software Architect / Developer to put architectur ...

Senior Software Engineer – Real Time Data Platform

We’re looking for a Senior Software Engineer to join our team building and operating the core data platform that powers our business. This platform sits at the heart of everything we do, delivering high-quality, real-time market data to systems and teams across the organisation. If you enjoy workin ...

Professional Services Architect EMEA

About SnapLogic SnapLogic is the Agentic Integration Company, integrating AI, data, applications, and microservices into one powerful platform that transforms how enterprises connect, automate, and scale. Unlike legacy integration tools, SnapLogic is built for the AI era and trusted by glob ...

ServiceNow Architect

ServiceNow ArchitectOn-site, LondonUp to £100kMy client is looking to add a ServiceNow Architect to their team to help deliver new processes, features and improvements across the platform. We are looking for experience in ITSM, CSM, ITOM, FSM, and Domain Separation.The role will s ...

Python Developer

Accepting applications until: 10 July 2026 Job Description Python Developer We're looking for a talented and adaptable Python Developer to join our established development team, working on high-impact digital products used by over 30 million people each month. You'll hel ...

Senior AppSec Engineer — Lead Secure SDLC & Equity

A global loyalty service provider based in London is seeking a Senior Application Security Engineer to lead the application security practice. You will collaborate closely with engineering teams, integrating security practices and tools into the software development lifecycle. The ideal candidate has strong soft ...

Servicenow Architect

ServiceNow Architect On-site, London 90k My client is looking to add a ServiceNow Architect to their team to help deliver new processes, features and improvements across the platform. We are looking for experience in ITSM, CSM, ITOM, FSM, and Domain Separation. Responsibi ...

Member of Technical Staff, Software Engineer

Member of Technical Staff, Software EngineerLondon, United KingdomDate postedOct 27, 2025Job numberMIC140114Work siteUp to 50% work from homeRole typeIndividual ContributorProfessionSoftware EngineeringDisciplineSoftware EngineeringEmployment typeFull-TimeMicrosoft AI is looking for a ...

Salesforce Developer Lead (IT) in London Nexus Jobs Limited

Salesforce Developer - Lead (IT) London, United Kingdom Posted 9 months ago Tech Stack JQuery JavaScript UI Technical Skills Required Candidate should have technical knowledge about the Salesforce security implementatio ...

Full Stack Engineer

Direct message the job poster from Computappoint Full Stack Developer role at a leading Global Law Firm within the Engineering team , where innovative technology powers high-impact legal work. You’ll help design and build modern, scalable systems used across internatio ...

React Developer

Job Title: React DeveloperLocation: London - 2 days per week onsiteSalary/Rate: £613 per day inside IR35Start Date: 13/07/2026Job Type: Contract - 5 months initially Company Introduction We have an exciting opportunity now avai ...

Quality Engineering Lead (10+ years) to drive automation led quality engineering across API first and AI assisted validation initiatives

Our financial services client is seeking a Quality Engineering Lead (10+ years) to drive automation-led quality engineering across API-first and AI-assisted validation initiativesJoin a high-impact engineering team shaping the next generation of automated quality practices for member-facing plat ...

Senior Software Engineer (JVM, Kotlin)

Overview Simple Machines is a leading independent boutique technology firm with a global footprint across London, Sydney, San Francisco, and New Zealand. We operate at the intersection of data, AI, machine learning, data engineering, and software engineering—building bespoke platforms and products ...

Solutions Consultant: Data, BI & Cloud

Minimum qualifications: Bachelor’s degree in Engineering, Computer Science, a related field, or equivalent practical experience. 3 years of experience working with client-side web technologies (e.g., HTML, CSS, JavaScript, or HTTP). 3 years of experience coding with one or mor ...

Technical Solutions Consultant, Users and Products, News

Minimum qualifications: Bachelor’s degree in Engineering, Computer Science, a related field, or equivalent practical experience. 3 years of experience working with client-side web technologies (e.g., HTML, CSS, JavaScript, or HTTP). 3 years of experience coding with one or mor ...

Solutions Architect London, Wembley

Solutions Architect - LondonJob Title: Solutions Architect Salary: Paying up to £85,000 per annumLocation: Wembley London - 5 days on-siteAre you a hands-on technical leader with a passion for creating innovative technology solutions? Our client, a well-established and diversified mul ...

Solution Architect x2 London

Solutions Architect - LondonJob Title: Solutions ArchitectSalary: Paying up to £85,000 per annumLocation: Wembley London - 5 days on-siteAre you a hands-on technical leader with a passion for creating innovative technology solutions? Our client, a well-established and diversified mult ...

Senior Fullstack Engineer (Data Enrichment)

At Wayve we’re committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, s ...

Data Architect

Join a leading consultancy delivering cutting-edge AI and data solutions to global organisations. With deep expertise in cloud, data engineering, and analytics, the team helps clients modernise, unlock insights, and stay competitive in a fast-moving digital world. Your Role As a Princi ...

Senior Software Engineer, CalcGraphs Vice President

For additional information, please review .We are seeking a Senior Engineer to fill the role of ‘Applications Development Technology Lead Analyst’ on the XiNG large scale distributed calculation platform (XiP). In this role you will design, build, and maintain the calculation engine at the heart of the XiP platf ...

Head of Risk Technology – Tier 1 Hedge Fund – Up to £600k TC

A leading global multi-strategy hedge fund is looking to hire a senior Risk Technology Lead into its London office. This is a high-impact front-office engineering role focused on the evolution of a business-critical cross-asset risk platform supporting trading, portfolio construction, and real-time ...

Head of Risk Technology – Tier 1 Hedge Fund – Up to £600k TC

A leading global multi-strategy hedge fund is looking to hire a senior Risk Technology Lead into its London office. This is a high-impact front-office engineering role focused on the evolution of a business-critical cross-asset risk platform supporting trading, portfolio construction, and real-time ...

Strategic Sales & Operations Architect — Central Government

Amazon Web Services (AWS) seeks a Sales Strategy Developer for the UK Central Government, Defence & National Security business. This role involves ensuring operational discipline, aligning deliverables with organizational standards, and driving the business rhythm while leveraging AI tools. Ideal candi ...

Senior Frontend Developer | React & TypeScript

Sonata One, located in Greater London, is seeking a skilled Senior Front End Developer to enhance modern web applications. As part of a collaborative team, you'll utilize React, TypeScript, and REST APIs to deliver exceptional user experiences. Qualified candidates will hold a Bachelor's degree in Comp ...

Senior Software Engineer — Build High Impact Web Platforms

Europython is seeking a Senior Developer for multiple locations including London, Barcelona, Edinburgh, and Berlin. The candidate will need extensive experience in building technically complex products across various web programming languages. They should have a passion for quality, efficiency, and a commitment ...

Senior Frontend & Full‑Stack Engineer – Banking/Payments

A leading global technology firm in the UK is looking for a FrontEnd Full Stack Developer to create responsive web applications using modern UI frameworks. In this role, you will collaborate with designers, implement backend services, and ensure the security of applications. Candidates should have a strong under ...

Front End Engineer: Build Fast, Responsive UIs (Flexible Work)

Solirius Consulting in Greater London is looking for a skilled Front-End Developer to build and maintain user-facing features. The role includes developing responsive web interfaces and collaborating with design teams. Candidates should have strong experience in front-end technologies such as Angular a ...

AI Driven Cloud Architect — Python & LangChain Expert

An engineering consultancy in Greater London is looking for an experienced Quality Cloud Architect (Python AI Developer) to design and maintain web applications and APIs. Responsibilities include building AI Agents, mentoring the team, and ensuring compliance. The ideal candidate should have strong Python skills ...

Frontend Engineer (Remote) — API‑Driven Platform

A technology company in London is seeking a software developer to enhance their new HX Workbench platform. The ideal candidate will have experience in software development and proficiency in Python, as well as familiarity with cloud infrastructure. Responsibilities include translating designs into web pages, sup ...

Real Time Full Stack Engineer React & Python

A leading FinTech recruitment agency is looking for a Full Stack Developer to join a high-performing team in Greater London. The role involves developing real-time web applications and requires solid experience in React and Python. You will work on building scalable systems and collaborate closely with product t ...

Python Engineer Front Office IT & Cloud

A leading trading company seeks a developer to support Traders and Analysts in a fast-paced environment. You will utilize your expertise in Python for building Web APIs and optimizing database performance. The role requires strong communication skills and experience with CI/CD processes, particularly in a Micros ...

Salesforce Developer: Core & Vlocity + OmniStudio

8x8, Inc. is looking for a highly skilled Salesforce Developer to design, develop, and optimize enterprise solutions utilizing Salesforce Core and Salesforce Industries (Vlocity). The successful candidate will implement scalable solutions and manage integrations to enhance performance. With a focus on ...

Senior Front End Engineer

Senior Software Engineer – Frontend Lead We’re Checkout.com – a global fintech company with offices in 19 locations. As a Senior Software Engineer in a multifunctional team, you will collaborate with Product, Design, and backend teams to lead the UI implementation of our products and services, ens ...

Junior Angular developer Glasgow, UK Fulltime Hybrid

Job Role: Junior Angular DeveloperLocation: Glasgow, UKAbout the Job you are considering:We are looking for a skilled Angular Developer to build dynamic high performance web applications The ideal candidate should have strong experience in modern Angu ...

Front and Backend C# Dot Net Javascript Software Developer with Umbraco

Front and Backend C# Dot Net Javascript Software Developer with Umbraco Our Client is an established leader in the travel industry. They are looking to recruit a Full Stack Dot Net Software Developer to work on a major transformation programme for this award-winning Luxury Travel Company. ...

Graduate Application Engineer London & Home Counties

Job title:Graduate Application Engineer Location:London & Home Counties Salary:£30,000 - £35,000pa £585 monthly car allowance Job type:Permanent A leading provider of treatment products for the building services industry is looking for a Graduate Application Engineer to join it's e ...

Application Specialist / Integration Engineer SQL, Azure

Application Specialist / Integration Engineer - SQL, MS Fabric / Azure Integration Services, SharePoint, M365, Power Platforms, Logic Apps, Application Integration, Product Ownership, Roadmap development. Permanent, London/Hybrid. £80k - £90k + Bonus + Benefits Global Law firm seeks an Application Spec ...

Senior Software Engineer / SRE Application Middleware

Senior Software Engineer / SRE - Application Middleware Location London Business Area Engineering and CTO Ref # **Description & Requirements** Are you passionate about building high-performance systems that are fast, resilient, and operate at globa ...

Senior Software Engineer / SRE Application Middleware

Senior Software Engineer / SRE - Application Middleware Location London Business Area Engineering and CTO Ref # **Description & Requirements** Are you passionate about building high-performance systems that are fast, resilient, and operate at globa ...

Technical Product Manager

Our everyday digital experiences are in the midst of a realtime revolution. Whether chatting alongside a livestreaming event, receiving realtime financial information, or working with colleagues in an online collaborative environment - consumers simply expect realtime digital experiences as standard. At Ab ...

Director of Software Engineering

Job Description As the Director of Software Engineering at JPMorgan Chase within the Corporate Technology function, you will lead a technical area and promote impact across teams, technologies, and projects within various departments. You will leverage your extensive expertise in software, applic ...

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