Lead Java Developer Java Architect jobs in Welwyn Garden City

About Us:- Net2Source Inc. is one of the fastest growing diversities 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

Senior Java Developer - Contract - Kafka / AWS / Kubernetes 📍 Hybrid – 3 days onsite in London 💰 Up to £750 per day (Inside IR35) 📅 12-month contract (strong extension potential) We’re looking for a Senior Java Developer to join a high-performing team building large-scale, cloud-native platforms.

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

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global mark

Key Responsibilities 1. Full Stack Development Develop scalable, secure, and maintainable applications using Java (Spring Boot) for backend and React.js for frontend. Architect and implement RESTful APIs and microservices. Collaborate with cross-functional teams to deliver high-quality software solu

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

Job Description Develop and maintain robust Java applications using Spring and Spring Boot frameworks Design and implement microservices architecture to build scalable and efficient backend solutions Write clean maintainable and efficient code adhering to industry best practices Utilize Kotlin along

ITC Infotech

Who We Are? ITC Infotech is a leading global technology services and solutions provider, led by Business and Technology Consulting. ITC Infotech provides business-friendly solutions to help clients succeed and be future-ready, by seamlessly bringing together digital expertise, strong industry specif

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview FX R

Job Description: Java Full Stack Developer Location: Reading or Croydon, UK (2 days onsite) Type: Permanent Role Overview We are looking for a Java Full Stack Developer to work on a large-scale government project. You will be involved in developing and supporting cloud-based applications and working

Job Description: CLP Architect (Senior Lead Java Developer) Location: London, UK Employment Type: Full-Time (Hybrid - 4 days onsite) About the Role We are seeking a highly skilled CLP Architect to join our team in London. This role is ideal for a seasoned professional with expertise in Java, Spring

Seeking a Specialist with hands on years of experience in Java Frameworks and Kotlin to develop scalable and efficient backend solutions using Microservices Spring and Spring Boot Job Description Develop and maintain robust Java applications using Spring and Spring Boot frameworks Design and impleme

About Us:- Net2Source Inc. is one of the fastest growing diversities 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

Insight International (UK) Ltd

Role : Senior Java Developer (Security) Location : London, UK 2-3 Days Onsite Per Week Contract Inside IR35 - 6- 12 Months (Possibility of extensions) Skills Set : Application Security with Vulnerability What you will be doing: • Investigate and resolve security findings across multiple versions of

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

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

Understanding Recruitment

£130,000 - £130,000 /year

Have you got experience leading a team while remaining hands-on and technically involved? Senior Java Developer – FX Trading Salary: up to £130k bonus Location: London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that has bee

Citigroup

FX Risk Java Developer - VP Citi’s Markets technology team is growing at lightning speed, and we’re looking for talented technologists to help build the future of global banking. Our teams are creating innovations used across the globe. As the world’s most global bank, Citi provides an opportunity t

Job Req Id 26953625 Location(s) London, England, United Kingdom Job Type On-Site/Resident Posted Apr. 09, 2026 ## Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’