Senior Full Stack Java Developer jobs in Hatfield

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

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

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

About Quantumloopai QuantumLoopAI is transforming how patients access NHS primary care. Our AI-powered reception system, EMMA, serves millions of NHS patients, helping GP surgeries manage demand, reduce phone queues, and ensure patients get the right care at the right time. Backed by leading healthc

Full Stack Software Engineer, £50-85k, 3 days per week in London - Ground-breaking Fitness tech! About Us MAGIC AI is an elegant in-home health coach that utilises computer vision, connected weights, and 3D cameras to provide personalised training sessions led by world-renowned athletes. We have gai

Full Stack Software Engineer, £50-85k, 3 days per week in London - Ground-breaking Fitness tech! About Us MAGIC AI is an elegant in-home health coach that utilises computer vision, connected weights, and 3D cameras to provide personalised training sessions led by world-renowned athletes. We have gai

Mindera

Job Description: We have an exciting opportunity for experienced Java developers to join our team! You will have a passion for software development and an excellent understanding of how to define and deliver solutions iteratively and collaboratively. You will be involved in all areas of delivery, wi

Java Developer ANANYA IT SERVICES LTD is a rapidly expanding organization based in London. Our aim is to provide high quality business solutions tailored to individual customer requirements. Our work focuses on building in-house UI Design Systems (cross platforms) for growing and well-established co

Contract Full Stack Developer – Fintech (Hybrid, London) We are seeking an experienced Full Stack Developer to join a fintech company on an initial 6-month contract. This is a hybrid role (3 days per week in the office), based in Baker Street, London, offering a day rate of £550 (Inside IR35). This

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 Title Full Stack Java Developer (React.js) Job Location London, UK/ Hybrid Job Type Permanent Job Description: Java Developer: Java Full Stack with React and Gen AI, Docker/ Kubernetes, Terraform/ Cloud Formation, MQ/ Apache Kafka, Datadog/ AppDynamics/ Dynatrace. Regards, Rachana rachana@falcon

Job Title: Full Stack Developer (Java, Spring, React) - contract Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35) Deloitte Working with the Deloitte

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

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

We have an exciting opportunity for experienced Java developers to join our team! You will have a passion for software development and an excellent understanding of how to define and deliver solutions iteratively and collaboratively. You will be involved in all areas of delivery, with the technical

We have an exciting opportunity for experienced Java developers to join our team! You will have a passion for software development and an excellent understanding of how to define and deliver solutions iteratively and collaboratively. You will be involved in all areas of delivery, with the technical

hackajob is collaborating with AND Digital to connect them with exceptional professionals for this role. We are recruiting for a Full Stack Java Engineer for a 6 month contract, starting ASAP. 2 days a week in London. What You’ll Bring To The Table Solid commercial development experience with strong

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

Role Summary We are looking for an experienced Java Developer with strong exposure to the Payments domain to design, build, and enhance applications supporting global payment processing and modernization programs. The role involves developing scalable, high-performance backend components, integratio