Senior Full Stack Java Developer jobs in Westminster

INTEC SELECT LIMITED

Lead Full Stack Developer (Next.js / React) - Build Greenfield Platforms UK-Based | Hybrid | Up to £110,000 Overview: I’m working with a global brand that’s going through a major digital transformation and investing heavily in modern, cloud-native technology. They’re looking for a Lead Full Stack De

eFinancialCareers

We’re seeking a talented Full Stack Python Developer to join our growing technology team at a leading investment bank. You’ll play a key role in designing and building a greenfield application from the ground up that will monitor and analyse the performance of trading systems. This is a unique oppor

Rapid Application Developer - JAVA London | Permanent Contract | Hybrid Margo is a Tech Native consultancy covering high value-added IT expertise for the market finance industry. We believe that the smart alliance between complex IT topics and the finance area brings the most challenging topics to o

About Us: Founded on the grounds of innovation – iXceed Solutions is an ISO certified, leader in Talent and Digital recruitment solutions, serving Fortune 100 companies globally. About the Role We are seeking a Java with Kotlin Developer with 5–7 years of experience in backend development using mode

Role: Java L3 Support Engineer Location: Croydon, UK (2 Days in a week Onsite is required) Type: Permanent SC Eligible Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Ex

Specialism DevOps, Cloud, Software Engineering, Leadership, Security, AI/ML Job type Permanent Location London Salary £100,000 - £130,000 per annum Some roles are just jobs. Others feel like stepping into something that is quietly shaping the future. This is one of those. A fast growing technology c

Grade E (Experienced Engineer, not Senior / Lead) Must‑Have Skills Java 9+ with strong experience (core Java, collections, exceptions, concurrency basics) Spring Boot / Spring Framework with 4+ years hands‑on development Experience building and consuming REST APIs Working knowledge of microservices‑

Junior Java Developer Hybrid - London Our talented people are creating the technology of the future. From scheduling to maintenance to keeping people safe, 2.7 million people are helped by our software daily. Technology makes it possible; people make it happen and you could be part of that. The Trac

We are looking for an experienced Senior Java Developer to join an exciting opportunity in Ireland or the UK . If you are passionate about building scalable applications and working with modern technologies, this could be the perfect role for you! Position: Sr. Java Developer Location: Ireland / UK

About this role Are you interested in building innovative technology that shapes the financial markets? Do you like working at the speed of a startup, and tackling some of the world’s most interesting challenges? Do you want to work with, and learn from, hands-on leaders in technology and finance? A

About this role If you are a seasoned Java Engineer passionate about building world-class trading systems, we would love to hear from you! You should be eager to collaborate with a team that values innovation and quality. In the role of Senior Java Developer at BlackRock's Aladdin core, you will dev

Haystack

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

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

About this role Are you interested in building innovative technology that shapes the financial markets? Do you like working at the speed of a startup, but want to solve some of the world’s most complex problems? Do you want to work with, and learn from, hands-on leaders in technology and finance? At

Full Stack Developer .Net Blazor | £50,000 - £75,000 We're working with a dynamic logistics and travel tech innovator on this exciting opportunity. Be one of the first engineers to join a newly established in-house team as they migrate a monolithic booking engine to a cutting-edge .NET 10 Azure-nati

Full Stack Developer - .Net React | £50,000 - £75,000 We're working with a dynamic logistics technology innovator on this exciting opportunity. They are launching a major digital transformation to bring their core engineering in-house, offering you the chance to be a founding member of a high-impact

Full Stack Developer - SC Cleared | £480 - £525 We're working with a leading specialist in secure public sector digital transformation on this exciting opportunity. Are you a security-cleared developer who thrives in fast-paced, high-impact environments? We are looking for a Python and React expert

Location: Peterborough or London (Hybrid) Reporting to: DevOps Manager We’re looking for a Senior Full‑Stack Developer to join a technology function that’s in the middle of an exciting modernisation journey. This is a hands‑on, senior individual contributor role where you’ll help modernise business‑

Rapid Application Developer - JAVA London | Permanent Contract | Hybrid Margo is a Tech Native consultancy covering high value-added IT expertise for the market finance industry. We believe that the smart alliance between complex IT topics and the finance area brings the most challenging topics to o

This is one of the world's top algorithmic trading firms, looking for an experienced full stack developer to architect and design enhancements for global web-based systems using mainly Python and React. Working closely with teams across the firm - Algo, Business Development, Middle Office, Trading T