Java jobs in Westminster

Job Title: Java L3 Support Location: London, UK Job Type: Contract Job Summary: We are looking for a skilled Java Developer with strong L3 Production Support experience to join our team. The ideal candidate should have expertise in Core Java, SQL, and UNIX , with a strong ability to troubleshoot com

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

JD : JAVA Security Analyst Location - London Work mode - Hybrid What you will be doing: • Investigate and resolve security findings across multiple versions of SFTC • Ensure false positives are properly explained to central security team and approved as false positives • Upgrade dependencies both Ja

Senior Java Developer ( Contractor ) up to £850 inside IR- 35 We are seeking a highly skilled Senior Java Engineer to join a team building a next-generation OEM platform within a high-growth, global organization. This role sits at the core of a strategic platform build, focusing on developing scalab

Join a specialist consultancy delivering secure, high-impact software solutions at the heart of national security and intelligence operations. This role plays a key part in building the systems that turn complex data into actionable insight. Role Overview: Location: Cheltenham, London or Manchester

Who we are: For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world's most highly regulated firms, giving t

The Company iSAM is an innovative, financial technology firm specialising in quantitative trading, compromised of iSAM Funds and iSAM Securities. iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic trading firm and trusted electronic market maker, providing liqui

Date live: 20/04/2026 Business Area: Group Economic Crime COO Area of Expertise: Technology Contract: Permanent Reference Code: JR-0000083628 Join Barclays as an IFC – Java Back End Engineer and play a key role in shaping the future of our technology landscape. In this position, you will help design

FDM Group

About The Role FDM is a global business and technology consultancy seeking a Java / Scala Developer to work for our client within the Investment Banking / Financial Services sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role that will be based in Lon

Senior Java Developer ( Contractor ) up to £850 inside IR- 35 We are seeking a highly skilled Senior Java Engineer to join a team building a next-generation OEM platform within a high-growth, global organization. This role sits at the core of a strategic platform build, focusing on developing scalab

Senior Java Developer x 3 | £825 - £850 We're working with a prestigious Tier-1 Investment Banking powerhouse on this exciting opportunity. Step into a high-octane environment to spearhead the evolution of business-critical systems within the Equity Derivatives space. This is a rare chance for elite

hackajob is collaborating with Tesco to connect them with exceptional professionals for this role. About The Role As a Principal Software Development Engineer within the Supply Chain & Fulfilment domain, you’ll drive the technical direction of some of Tesco’s most critical services. You’ll colla

Senior Java Developer | £85,000 - £95,000 We're working with a leading financial services technology vendor on this exciting opportunity. Are you ready to spearhead a flagship platform rebuild at the heart of London’s fintech scene? This is your chance to architect and deliver high-performance, auto

Randstad Technologies

Java Engineer - Payments / IFT London - 2 days in the office 6 Months Contract Inside IR35 £500 a day A top tier consultancy firm is looking for an experienced Java Engineer with a background in payments to contribute to a large payment modernisation programme. You will be instrumental in deploying

JAVA Security Analyst Location - London Work mode - Hybrid What you will need: • At least 7+ year’s hands-on professional experience in the Java enterprise environment. • Experience building enterprise financial solutions. • Experience with Agile and test-driven development. • Experience in working

Job Description (JD) Role Title: Lead Software Engineer (Java / Spring Boot) Location: London, UK (Hybrid – 3 days WFO) Contract Duration: 9 Months Role Overview We are seeking a hands-on Lead Software Engineer with strong expertise in Java, Spring Boot, and Microservices architecture . The ideal ca

About Us:- Net2Source Inc. is one of the fastest growing diversity certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe,

IDAM Back-end Java Developer - SC Cleared | £500 - £535 We're working with a global tech powerhouse delivering mission-critical digital transformation for the UK public sector on this exciting opportunity. We are seeking a high-caliber Senior Java Developer with deep IDAM expertise to spearhead a ma

Role : Senior Java Fullstack Engineer Type : 1year Fixed Term Contract ( Chance for more extension) Location : London (Hybrid) 8+ years of experience in full stack development. Strong proficiency in Java , React, Spring Boot , and Microservices Architecture . Mandatory hands-on experience with React