136,601+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Mobile Heating Engineer

Mobile Heating & Multi-Skilled EngineerLocation: East London (Focused on a prestigious Energy Park asset)Position: Full-Time,Permanent Salary: Competitive + Standby + Company Van & Fuel CardThe clientMy client is a leading Energy & Utilities Infrastructure deve ...

Head of Infrastructure

Head of Infrastructure | AWS, Platform Reliability, Scalability, DevEx | £100,000 to £120,000 + package - 1 day a week in London A high growth SaaS business is looking for a Head of Infrastructure to lead the next phase of its platform evolution as it scales internationally and launches inc ...

Manager, AI Deployment Engineering Codex

About the teamThe AI Deployment Engineering team is responsible for ensuring the safe and effective deployment of OpenAI technologies across developers and enterprises. We act as trusted technical partners, helping customers move from experimentation to production by designing, imp ...

Head of Graphic Design Luxury Fashion Brand

Our client is an award-winning, London-based luxury brand defined by ethical craftsmanship and a powerful social mission. They are seeking a visionary Head of Graphic Design to lead their creative team and act as the primary guardian of their visual identity.This role blends high ...

Digital Design Intern

Role SummaryResponsibilities: You will support with a wide range of digital projects for our clients within the healthcare sector, from initial concept development to full production, allowing for real autonomy and creativitySalary: A pro-rated salary of £26,250per annum outside of L ...

Payments Platform Lead AI Driven Microservices & Stripe

We are seeking a Payments Expert + Full Stack Developer to lead the integration and design of next-generation payment solutions within ecommerce systems. This role offers a chance to shape the payments ecosystem for high-performance applications. Key Responsi ...

Portfolio Manager

Portfolio Manager London | Hybrid - 3 days a week 6‑Month Contract | Inside IR35 Join a major tech transformation programme as a Portfolio Manager , driving planning, reporting and performance across a busy change portfolio. ...

Portfolio Manager

Portfolio Manager London | Hybrid - 3 days a week 6‑Month Contract | Inside IR35 Join a major tech transformation programme as a Portfolio Manager , driving planning, reporting and performance across a busy change portfolio. ...

Portfolio Manager

Portfolio Manager London | Hybrid - 3 days a week 6‑Month Contract | Inside IR35 Join a major tech transformation programme as a Portfolio Manager , driving planning, reporting and performance across a busy change portfolio. ...

Product Engineer (£65k £95k + Equity) at Gaia.family

Job Title Product Engineer Salary £65k - £95k + Equity Company Description Gaia.family - Series B fintech backed by Atomico and Valar Ventures Location London, UK Job Description Join a mission-driven team building the financ ...

Mobile Heating Engineer

Mobile Heating & Multi-Skilled Engineer Location: East London (Focused on a prestigious Energy Park asset) Position: Full-Time, Permanent Salary: Competitive + Standby + Company Van & Fuel Card The client My client is a leading Energy & Utilities Infrastructure d ...

Senior Project Manager London

Shape More Than Just A Career at Mitchell McDermott We’re a growing company with big ideas, high standards and ambitious clients. We empower you to have a massive impact on all three. About Us We are a leading Construction Consultancy offering a range of cost management, ...

HFT Build out for Python Quant Developer

Salary: up to £600k TC Client Research at this leading investment firm is key to continued success: based on rigorous and innovative research, they design and implement systematic, computer-driven trading strategies across multiple liquid asset classes. You’ll be exposed to all ...

Lead Delivery Manager

About the Role As a Lead Delivery Manager, you’ll be accountable for the successful delivery of complex digital projects. This may involve leading a small, intricate delivery with a focus on consultancy, a large programme with multiple delivery teams, or several smaller engagements. You could be ...

Senior Golang Engineer AI Product & Platforms

**Job Overview** We are Citi's Application, Platform and Engineering team, a start-up with the exciting mission of shaping the direction of travel for the entire bank under the Chief Technology Office, by defining the tech and engineering strategy for the bank. We are a team of talented engineers, produ ...

Python Software Engineer Hybrid working £70,000 £225,000 Base (+ Bonus)

Overview Senior Quantitative Technology Consultant at Hunter Bond Job Title: Python Software Engineer Location: London / Hybrid Salary: £70,000 - £225,000 base (+ Bonus) Responsibilities Design, implement, and optimize trading algorithms, order execution syst ...

NLP Research Intern

Business UnitLIGHTSPEED STUDIOS is made up of passionate players who advance the art & science of game development through great stories, great gameplay, and advanced technology. We are focused on bringing next generation experiences to gamers who want to enjoy them anywhere, anytime, ...

AI Labs: Senior Full Stack Engineer, Vice President

We are seeking a highly skilled senior full stack engineer with a proven track record of leading projects to join our dynamic team. The ideal candidate will have a strong technical background in both front-end and back-end development, with a focus on Typescript, React, NextJs, and Python. You will be resp ...

Senior DevOps Engineer – CI/CD & Cloud Infrastructure

# Senior DevOps Engineer – CI/CD & Cloud Infrastructure,March 11, 2026### Job Description**Location:** London, UK **Work Model:** On-site **Role Type:** Full-TimeWe are looking for a **Senior DevOps Engineer** with strong experience in CI/CD automation and cloud infrastructure to join our client’s on-site team ...

Technical Solutions Analyst EMEA

Heartflow is a medical technology company advancing the diagnosis and management of coronary artery disease, the #1 cause of death worldwide, using cutting-edge technology. The flagship product—an AI-driven, non-invasive cardiac test supported by the ACC/AHA Chest Pain Guidelines called the Heartflow FFR CT Anal ...

Digital Marketing Executive

Job Introduction What you’ll doAs a Digital Marketing Executive, you’ll support the delivery of high‑quality, customer‑focused digital marketing activity that drives awareness, engagement and lead generation for NHG Homes. You’ll help keep our digital channels accurat ...

Principal Software Engineer

Senior Tech Consultant | Partnering with high growth, VC & PE backed scale-ups Principal Software Engineer – Drive Social Impact Through Tech Location: London (Hybrid or Remote) Are you a tech leader passionate about using software to ...

Sr. Director, Offering Management – Quantum Developer Platform 836

We are seeking a Sr. Director, Offering Management to join our team in the London or Cambridge, UK offices. Lead the strategy and execution of a cloud-based quantum developer platform that enables developers, researchers, and enterprise users to build, simulate, and run quantum appl ...

Software Engineer

About TodayTix Group TodayTix Group (TTG) is the global e-commerce leader for cultural experiences, designing frictionless discovery and purchase journeys through innovative product design and industry‑leading technology. Our portfolio of brands— including TodayTix, New York Theatre Guide, London ...

SC Cleared Boomi Consultant Enterprise Integration Onsite

Location London or Birmingham Work Arrangement 5 days onsite Contract Length 1–2 year contract Security Clearance Must be SC Clearable Job Overview I’m currently supporting a major enterprise programme looking for an experien ...

Senior Product Designer

About XYZ Reality XYZ Reality are the creators of the world's first and only engineering‑grade Augmented Reality solution, purpose built for the construction industry. Not only have we created this holographic technology, that sits within The Atom – a smart, site‑safe headset/hardhat – but we imp ...

Backend Software Engineer C#.Net Azure API

Backend Software Engineer / Developer (C# .Net Azure API) London / WFH to £75kAre you a backend focused Software Engineer with a strong knowledge of Azure?You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely successful, global health / well ...

Frontend Engineer (React Native)

Frontend Engineer (React Native) IG is a FTSE100 fintech operating across five continents, providing a leading retail trading and investment platform. The company delivers a fully licensed, FCA‑regulated crypto trading platform and operates on a scalable cloud‑native AWS architecture. Team ...

Construction & Engineering Senior Associate

Join to apply for the Construction & Engineering Senior Associate role at Burges Salmon LLP 6 days ago Be among the first 25 applicants Join to apply for the Construction & Engineering Senior Associate role at Burges Salmon LLP </stro ...

Endur Developer Consultant/Senior Consultant E/CTRM

Where Innovation meets Excellence.Be a part of a globally renowned management consulting firm that is on the front-line of industry disruption. We are a mid-size player with an entrepreneurial spirit that works with a market-leading brand in every sector, while our parent organization Infosys is a top- ...

Senior Frontend Engineer Trading API

Overview Alpaca is a US-headquartered self-clearing broker-dealer and brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more. Our recent Series D funding round brought our total investment to over $320 million, fueling our ambitious vision. Amongst our sub ...

Senior Full Stack Engineer

We're looking for a senior full-stack engineer to join our Digital Product practice. You'll lead technical delivery on client engagements, architect scalable web applications, and mentor mid-level engineers. You'll work closely with clients, so clear communication is just as important as technical excellence. ...

Engineering Manager (Ruby on Rails) £120k + 15% bonus + car + up to 21% pension

Engineering Manager Permanent position - £120k + 15% bonus + car allowance + up to 21% pension Industry: Financial Services - Life & Investments Hybrid working - 1 day per week in the office Office location: Central London Have you managed a small team (3) of RoR Eng ...

Senior Account Manager

Buildots is transforming construction management. Our AI-powered SaaS platform automates on-site progress tracking, giving construction teams the tools to plan smarter, improve efficiency, and cut costly delays by up to 50%. The £13 trillion construction industry has seen little disruption in the past 150 ...

Founder & CEO

Title : Founder / CEO (The Good add Ventures Portfolio) Location : London, UK or Silicon Valley, USA. Employment Type: Full-time Startup Options (As at April 2026) : itoms | Napp Backing : Fully incubated by Good add Ventures (A Tech-f ...

People Systems & AI Specialist FTC 6 months

People Systems & AI Specialist - FTC 6 months Department: People Employment Type: Fixed Term Contract Location: Any UK Office Hub (Bristol / London / Manchester / Swansea) Compensation: £45,000 - £55,000 / year Description ...

CRM Marketing Manager

Are you passionate about building customer journeys that drive measurable business growth?Our client, a global fintech business is seeking a Performance Marketing Specialist to join a high-performing growth marketing team responsible for driving customer engagement, retention, and revenue across key Euro ...

Business Development Team Lead | Hybrid, Growth & Equity

A fast-growing tech company in Greater London is seeking a Business Development Team Lead to drive sales efforts and lead a team. The ideal candidate will have strong leadership skills, a proven track record in business development, and the ability to meet sales targets. This hybrid role also involves managing a ...

Head of Market Data & Real Time Analytics (Hybrid)

IO TECH SOLUTIONS LIMITED is seeking an experienced Market Data Head/Lead to lead the acquisition and optimization of market data management across various exchanges. Responsibilities include managing vendor relationships, ensuring high data quality, and designing low-latency architectures. The ideal candidate h ...

Azure Cloud Architect

Join Nordcloud, an IBM Company and be part of the European cloud revolution. We supercharge our customers to innovate in hyperscaler cloud, enabling seamless migration, advanced security, and data-driven success. Currently, we are looking for an Azure Cloud Architect for our team in the UK. ...

Administrative Office Assistant Support Work

Administrative Office Work Support Assistant - RemotePay: £28.00 - £32.00 per hourPart-time or Full-time About This Position We are currently seeking organized and dependable individuals for an entry-level Administrative Support, ...

Junior UX/UI Designer

GhostTraders is seeking a passionate and creative Junior UX/UI Designer to join our dynamic team. This role offers a unique opportunity to work in a fast-paced, innovative environment where design and technology intersect. The ideal candidate will have a keen eye for aesthetics, a strong understanding of user ...

Administrative Office Assistant Support Work

Administrative Office Work Support Assistant - RemotePay: £28.00 - £32.00 per hourPart-time or Full-time About This Position We are currently seeking organized and dependable individuals for an entry-level Administrative Support, ...

Junior UX/UI Designer

GhostTraders is seeking a passionate and creative Junior UX/UI Designer to join our dynamic team. This role offers a unique opportunity to work in a fast-paced, innovative environment where design and technology intersect. The ideal candidate will have a keen eye for aesthetics, a strong understanding of user ...

Software Engineer (Backend)

Software Engineer (Backend)Job type: Full Time · Department: Technology · Work type: Hybrid · USD 150,000-200,000 / yearLondon, England, United Kingdom; New York, New York, United StatesAbout LorumGlobal payments are not broken. Incentives are. Clearing has b ...

Payments Solutions Architect: Cloud & AML/KYC

A leading financial services firm in Greater London is seeking an experienced Application Solutions Architect. This role involves defining architectural vision and collaborating with tech teams to implement key solutions, especially in Corporate Payments, AML, and KYC. Key skills include API design, cloud platfo ...

London Desktop & IT Support Engineer – Trading Floor

Susquehanna International Group is seeking a London Support Engineer to provide comprehensive support across its London office, primarily servicing a high-tech trading environment. Responsibilities include first and second-level support for desktop systems, telecommunications, and application management. Candida ...

Enterprise Intelligence Solutions Architect (Pre Sales)

A tech company specializing in AI-driven market intelligence seeks a Solutions Architect to join their Application Specialist team. The ideal candidate will leverage 5+ years of pre-sales experience, guiding clients through complex business challenges and contributing valuable feedback to influence product devel ...

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