Java Developer Sr Java Developer jobs in London

HCLTech

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 indus

HCLTech

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 indus

Whitehall Resources

Java Developer – SC Cleared Whitehall Resources are looking for a Java Developer – SC Cleared. This role will be remote based working with occasional visits onsite to South London, for an initial 6-month contract. ***Due to the nature of the client, this role requires active SC Clearance*** ***Insid

HCLTech

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 indus

develop

£9,000 - £10,200 /year

Tech Lead (Java & React) – Media Industry £750 - £850/day Outside IR35 London (Hybrid) We’re looking for a hands-on Tech Lead to step into a high-impact role on a media platform that urgently needs strong technical leadership. This is an opportunity to take ownership of a team, turn around delivery

Deloitte

Basic information Location London Business Line Technology & Transformation Job Type Contract Date published 02-Apr-2026 Req # 22950 Job description Job Title: Full Stack Developer (Java, Spring, React) - contract Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11

I’m currently working on a London-based contract opportunity for a Senior Java Developer within Market Connectivity/eTrading, offering up to £800/day (Inside IR35). The role focuses on low-latency systems and FIX connectivity within a front office environment. Java Developer – Market Connectivity (e

Randstad Technologies

Java Messaging Engineer | eBond Trading Platform We are seeking a high-caliber Java Backend Developer to join the Booking & Messaging cell of a global electronic trading platform. This role is at the heart of the "eBond" ecosystem, managing high-throughput trade flows and external venue connecti

Addition

We're recruiting for a Digital Transformation specialist who, after a number of wins, are recruiting for Java Developers urgently Key highlights This is outside IR35 While the work is remote, you need to be able to travel to London for week 1 onboarding 6 months and extension to Dec likely (if not l

Hays Specialist Recruitment Limited

£7,200 - £9,000 /year

We are working with a client who is a global leader in consulting, technology services, and digital transformation, committed to delivering positive change through technology and human collaboration. They are seeking an experienced UK-based Senior Application Developer who has deep hands-on experien

eFinancialCareers

Salary: up to £200k base bonus Summary Tech-savvy algorithmic trading firm looking to hire a Java Developer to help develop and operate the off-exchange trading system and products. This is a superb opportunity for a well-organised and pragmatic engineer with a passion for concise, efficient code to

Client Server

From £90,000 /year

Java Developer / Consultant (Java SpringBoot AWS) London / WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. As a Java Developer / Consultant

Quant Capital

From £8,400 /year

Contract Java Developer – Data Up to £700 per day Outside IR35 (6 month rolling) In office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning str

Sanderson

Job Description Scroll down to find the complete details of the job offer, including experience required and associated duties and tasks. Credit eTrading Developer (Java) Duration: 12 Months (with renewals) Pay Rate: £750 (inside) Location: London - 4 days a week in the office I'm currently supporti

Whitehall Resources

Java Developer – SC Cleared Whitehall Resources are looking for a Java Developer – SC Cleared. This role will be remote based working with occasional visits onsite to South London, for an initial 6-month contract. ***Due to the nature of the client, this role requires active SC Clearance*** ***Insid

Hays Specialist Recruitment Limited

Job Description Apply (by clicking the relevant button) after checking through all the related job information below. Your new companyA leading consultancy sitting within their market-leading tax practice is renowned for delivering sustainable growth and empowering people to shape their careers. The

Whitehall Resources

Java Developer – SC Cleared Whitehall Resources are looking for a Java Developer – SC Cleared. This role will be remote based working with occasional visits onsite to South London, for an initial 6-month contract. ***Due to the nature of the client, this role requires active SC Clearance*** ***Insid

develop

£9,000 - £10,200 /year

Tech Lead (Java & React) – Media Industry £750 - £850/day Outside IR35 London (Hybrid) We’re looking for a hands-on Tech Lead to step into a high-impact role on a media platform that urgently needs strong technical leadership. This is an opportunity to take ownership of a team, turn around delivery

develop

£9,000 - £10,200 /year

Tech Lead (Java & React) – Media Industry £750 - £850/day Outside IR35 London (Hybrid) We’re looking for a hands-on Tech Lead to step into a high-impact role on a media platform that urgently needs strong technical leadership. This is an opportunity to take ownership of a team, turn ar

Randstad Digital

Java Messaging Engineer | eBond Trading Platform Interested in this role You can find all the relevant information in the description below. We are seeking a high-caliber Java Backend Developer to join the Booking & Messaging cell of a global electronic trading platform. This role is at the heart of