Java Developers (ACTIVE BPSS CLEARANCE )- Inside IR35

Company IconiO Associates - UK/EU
Location IconLondon

Direct message the job poster from iO Associates - UK/EUStrategic IT Consultant: Uniting Skilful Minds with Cutting-edge MarketsJava Developers (ACTIVE BPSS CLEARANCE IS ESSENTIAL)- Inside...Read More>>.

Posted: June 6th, 2026
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Senior Java Developer - Data-Driven, Hybrid (Birmingham)

Company IconThomas Morgan International
Location IconBirmingham

A leading tech recruitment firm in Birmingham is seeking an experienced Senior Java Developer with strong Java and data applications expertise. The role includes working with large datasets and cloud technologies, with a hybrid work model requiring o...Read More>>.

Posted: June 6th, 2026
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Senior C++/Java Engineer — Low-Latency FX Platform

Company IconLSEG
Location IconLondon

LSEG is looking for a Senior Software Engineer to design and build FX market infrastructure using C++ and Java. This role requires strong technical leadership and experience in low-latency systems.The ideal candidate should have over 10 yea...Read More>>.

Posted: June 6th, 2026
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Front-Office Java Engineer - High-Performance eTrading Hybrid

Company IconHunter Bond
Location Icon

A leading investment bank in the UK seeks an experienced Java Software Engineer for its front-office eTrading team. This role requires strong Java skills and the ability to thrive in a fast-paced, high-pressure environment. Key responsibilities inclu...Read More>>.

Posted: June 6th, 2026
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Low-Latency Java Engineer - FIX Connectivity (Hybrid, Bonus)

Company IconEnso Recruitment
Location IconBelfast

A global technology-driven financial services organisation is seeking an experienced Java Engineer in Belfast. This hands-on role focuses on designing and enhancing low-latency connectivity services for clients and internal systems. Candidates should...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer – Cloud-Native Post-Trade (Hybrid)

Company IconHarrington Starr
Location IconLondon

Harrington Starr is seeking a Senior Java Developer to contribute to a cloud-native post-trade platform. This engineering role involves designing and delivering scalable backend systems, working closely with Product and Client Services teams....Read More>>.

Posted: June 6th, 2026
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Lead Java Engineer — High-Performance, Low-Latency Trading

Company IconSGI
Location Icon

A specialist engineering consultancy in London is seeking a Lead Java Developer to work on high-performance, low-latency trading systems. The ideal candidate will have proven experience in building such systems and handling complex, business-critical...Read More>>.

Posted: June 6th, 2026
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Full Stack Java Engineer (Hybrid, Bristol) | Security-Cleared

Company IconCACI Limited
Location IconBristol

CACI Limited is seeking a Full Stack Software Engineer to join their National Security Government team in Bristol. This position involves implementing software solutions and providing technical leadership on various projects.The ideal candi...Read More>>.

Posted: June 8th, 2026
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Java Application Developer

Company IconAscendion
Location IconBournemouth

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Posted: June 12th, 2026
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Senior Java Engineer: AI-Driven, High-Throughput Systems

Company Iconmthree
Location IconLondon

mthree is seeking an Expert Systems Developer to lead the architectural evolution and scaling of a high-throughput platform for a tier-one global financial institution. This role involves driving automation, influencing system design, and ensuring...Read More>>.

Posted: June 13th, 2026
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Junior Java Developer – Rail Tech, Cloud & REST Services

Company IconTracsis
Location IconLondon

Tracsis is seeking a Junior Java Developer to join our London team. This role involves Java development, creating Restful Json Web Services, and deploying solutions on AWS cloud infrastructure. The successful candidate will work in a collaborative...Read More>>.

Posted: June 23rd, 2026
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Senior Backend Java Engineer - Hybrid, Global Finance Impact

Company IconCitigroup Inc.
Location IconBelfast

Citi Belfast is hiring experienced backend Java developers to contribute across applications systems development, analysis and programming activities. Roles range from AVP to SVP and include responsibilities aligned with building robust Java-based...Read More>>.

Posted: July 13th, 2026
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Senior Java Engineer — Lead & Mentor FinTech Features (AWS)

Company IconIntaPeople Limited
Location IconCardiff

IntaPeople Limited in Cardiff is scaling a Product Engineering team and seeking a Senior Java Engineer. You will deliver features, mentor juniors, and turn technical direction into working software.The role involves designing complex soluti...Read More>>.

Posted: August 1st, 2026
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Senior Java Engineer — Hybrid FinTech, Real-Time Payments

Company IconX4 Technology
Location IconLondon

X4 Technology is hiring a Senior Software Engineer to join a hybrid fintech product engineering team. You will help integrate a market-leading platform that handles high-volume, real-time payments, contributing to scalable and resilient applicatio...Read More>>.

Posted: August 4th, 2026
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Low-Latency Java Engineer for Real-Time Payments & Kafka

Company IconJPMorgan Chase & Co.
Location IconBournemouth

JPMorgan Chase & Co. in Bournemouth is seeking a Software Engineer II to join the Global Liquidity and Cash Management Technology team. You will design, develop, and maintain high-performance Java services that power real-time liquidity and cash m...Read More>>.

Posted: August 7th, 2026
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Senior Java Engineer — Quote API & Dev Experience (Hybrid)

Company IconTesco Technology
Location IconLondon

Tesco in London is seeking an Engineering Enablement Engineer to drive core Java development and developer experience as part of the Quote Modernisation programme. You will build shared components, improve CI/CD, and ensure fast feedback loops for...Read More>>.

Posted: August 9th, 2026
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Senior Java Engineer - Real-Time FX Options Risk

Company IconCiti
Location IconLondon

Citi is seeking a Senior Software Engineer to design, develop, and optimize FX real-time risk systems. You will work on high-throughput, low-latency processing and provide technical guidance to the engineering team in a front-office facing role wi...Read More>>.

Posted: August 15th, 2026
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Senior Java Engineer, FX Options Risk – Real-Time

Company IconCitibank (Switzerland) AG
Location IconLondon

Citi is seeking a Senior Java Software Engineer for FX Options Risk (VP) to design, develop, and optimize our high-throughput, real-time risk system. You will work on low-latency processing, collaborate with the FX Options Trading desk, and guide...Read More>>.

Posted: August 16th, 2026
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Senior Ultra-Low Latency Java Developer – Onsite

Company IconCMC Markets
Location IconLondon

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance trading platform in London. This onsite role requires hands-on design and optimization of ul...Read More>>.

Posted: August 17th, 2026
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Senior Java Engineer - Real-Time Equities Pricing & Risk

Company IconMillennium
Location IconLondon

Millennium in the United Kingdom seeks a hands-on Java Engineer to design and build real-time equities pricing, volatility risk, PnL and market data systems. You will work with developers, QA and production support and interact with Portfolio Mana...Read More>>.

Posted: August 17th, 2026
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Java Software Developer

Company IconFasanara
Location IconLondon

Fasanara Digital is a quantitative investment team applying a scientific, high frequency investment style in digital assets, seeking to achieve exceptional risk-adjusted returns for our investors. We were founded in 2018 and have grown to a 30-...Read More>>.

Posted: August 17th, 2026
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Senior Front‑Office Java Engineer – Ultra‑Low Latency

Company IconCMC Markets
Location IconLondon

CMC Markets is seeking a Senior Low Latency Java Developer for the Quantitative Strategies team in London. You will design and build ultra‑low latency pricing and risk systems that power our market‑making stack, collaborating with Quants, Fron...Read More>>.

Posted: August 17th, 2026
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Senior Java Engineer – FX Options Real-Time Risk

Company IconCitigroup Inc.
Location IconLondon

Citi is seeking a Senior Java Software Engineer for FX Options Risk. You will design, develop, and optimize a high-throughput, real-time risk system in a front-office facing role and collaborate closely with the FX Options trading desk to translat...Read More>>.

Posted: August 20th, 2026
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Senior Java Engineer - Fixed Income Algo Platform (Hybrid)

Company IconCiti
Location IconLondon

Citi London is seeking an experienced software engineer to advance the Fixed Income Algo trading platform. You will design high‑performance, low‑latency components and collaborate with Traders, Quants and Product Managers to translate business...Read More>>.

Posted: August 28th, 2026
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Senior Full-Stack Java Engineer: Cloud, AI & Data

Company IconJPMorgan Chase & Co.
Location IconGlasgow

JPMorgan Chase & Co. in the United Kingdom seeks a Full Stack Software Engineer III to design and deliver secure, scalable technology products within the Asset Management Team. You will work across multiple areas, collaborating to solve complex pr...Read More>>.

Posted: August 29th, 2026
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Junior Java Engineer — Hybrid Trading Tech, £90k+ Bonus

Company IconQuant Capital
Location IconLondon

Quant Capital is urgently seeking a Junior Software Engineer with Core Java skills to join a high profile client in London. The role involves building a new trading architecture, deploying microservices to AWS, and collaborating in a fast-paced, s...Read More>>.

Posted: August 29th, 2026
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Senior Java Engineer: High-Performance, Hybrid, Fixed Income

Company IconCitigroup Inc.
Location IconNorthern Ireland

Citigroup Inc. in Belfast, United Kingdom, is seeking a Senior Software Engineer (Java) to design and evolve large, distributed systems for the FiTP team. The role focuses on high-volume trade capture and processing with a strong emphasis on low l...Read More>>.

Posted: August 30th, 2026
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Software Engineer II - Full Stack React/Java Developer

Company IconJPMorgan Chase & Co.
Location IconBournemouth

You’re ready to gain the skills and experience needed to grow within your role and advance your career — and we have the perfect software engineering opportunity for you.As a Software Engineer II at JPMorganChase within the Commercia...Read More>>.

Posted: August 30th, 2026
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Senior Java Developer - Nottingham | Cloud-Native & CI/CD

Company IconCHAPMAN TATE ASSOCIATES LIMITED
Location IconNottingham

Chapman Tate Associates Limited is seeking a Senior Java Developer based in Nottingham to build and maintain secure, scalable applications. You will work closely with product owners, architects and specialists to design robust, cloud-native Java s...Read More>>.

Posted: September 3rd, 2026
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Senior Java Engineer — High-Performance Microservices (Hybrid UK)

Company IconCitigroup Inc.
Location IconNorthern Ireland

Citigroup Inc. in Belfast, United Kingdom is seeking a Senior Software Engineer (Java) to design and develop large, complex distributed systems for the FiTP team. You will contribute to high volume trade capture and processing, with a focus on per...Read More>>.

Posted: September 3rd, 2026
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