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Senior Software Engineer (Python/Java) – Life Sciences

A leading consulting firm in the United Kingdom is seeking a Senior Software Engineer with expertise in Python and Java. The ideal candidate will have 5 to 10 years of experience in developing complex applications, particularly within the Life Sciences domain. This role offers flexible remote working and a compe ...

Senior Java Engineer Build Secure Risk Platforms

London Stock Exchange Group is seeking a Senior Software Engineer to develop technology platforms in London, focusing on Java and agile methodologies. The position requires 3-6 years of software engineering experience, deep knowledge of Java, and strong communication skills. The role offers opportunities for per ...

Backend Engineer III Java, Spark, Databricks API

RELX in Greater London is searching for a Software Engineer III with around 3 years of experience in backend development, especially in Java and RESTful APIs. This role involves implementing Scala/Spark pipelines for metric computation and contributing to Java-based backend services. With a focus on working effe ...

Senior Software Engineer, Java for Investments Platform

A global technology company in the UK is seeking a Product Manager to develop innovative financial solutions. You will define and shape the Wise Assets product, focusing on user experience and data-driven decisions. The role requires strong project coordination skills and experience in web applications developme ...

Senior Software Engineer II Contacts Team Java

Company Description Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payme ...

Strategic Enterprise Architect: Java J2EE & Cloud (BFSI)

A leading technology firm in Greater London is seeking an experienced Enterprise Architect (Java J2EE) for a contract role in the BFSI domain. Responsibilities include driving architectural discussions, leading application modernization, and designing cloud solutions on Microsoft Azure. Ideal candidates will hav ...

Lead Front Office Java & Derivatives Platform Team

A leading recruitment firm is seeking a Senior Java Development Manager to lead a Front Office Derivatives IT team in London. This permanent, hybrid role requires extensive Java experience and strong leadership skills to manage a team of developers. You will work closely with front office stakeholders to ensure ...

Senior Java Architect & Tech Leader – Equities Platform

Citibank (Switzerland) AG is seeking a Senior Java Engineer in London to join their Equity Derivatives Tech team. You will define technical architecture, work with business stakeholders, and own the iterative delivery of features. The ideal candidate will have robust experience in Java, leadership skills, and a ...

Java Software Engineer Cloud, AI & Research Impact

Elsevier in Greater London is seeking a Software Engineer to enhance the quality of scientific research. As part of an Agile team, you will design and develop cloud-hosted applications while collaborating with stakeholders. The ideal candidate has proficiency in Java, JavaScript or TypeScript, and is familiar wi ...

Senior Java Engineer, Equinox Platform Lead (Hybrid)

Citigroup Inc. is looking for a Senior Java Engineer in Greater London to drive innovation in the Equinox team within Equity Derivatives Tech. This role involves architecting solutions, collaborating with stakeholders, and mentoring junior engineers. You will work with technologies such as Java, REST APIs, and C ...

Senior Java Engineer Low Latency Trading Systems

Grid Dynamics Holdings is looking for Senior and Principal Java Developers with strong Java expertise and experience in low-latency systems. You will work on critical applications that demand high performance, scalability, and reliability within a motivated team. The role involves writing and tuning high-perform ...

Real Time Rates Risk Engineer (Java, Hybrid)

Citigroup Inc. is looking for a Senior Developer to join their Tech team in London. The role focuses on designing and implementing critical features for Real Time Pricing and Risk applications. Candidates should have extensive experience in Java development, understanding of Agile practices, and familiarity with ...

Senior Java Engineer – Equities Trading Platform (Hybrid)

Citi is seeking a motivated software engineer for the Equities Technology team in London. This role involves collaborating with engineers and delivering technical solutions for trading applications, requiring strong knowledge in Java and experience in agile development. Candidates should have 6-10 years of relev ...

Senior Java Backend Engineer Hybrid, Impactful & Growth

A leading health retailer in London is seeking a Senior Backend Engineer to develop tools that enhance store design and optimize customer experiences. The role involves designing scalable backend services using Java and Spring within a hybrid working environment. Strong experience in backend development, API man ...

Engineering Manager: Java AI for FinTech (Hybrid)

A leading technology recruitment firm in the UK is seeking an Engineering Manager (Java AI) to lead a team of AI Engineers. This role requires strong technical leadership skills and a solid background in software engineering, particularly in Java and modern architectures. The successful candidate will work in a ...

Java/Kotlin Software Engineer Agile, TDD, Spring

Skills and Experience You possess strong development experience in Java and Kotlin. You have familiarity with Agile processes and Test-Driven Development (TDD). Technical Expertise You understand Computer Science, Object-oriented Programming (OOP), Design Patterns, Data Structures, a ...

Senior Java Lead Engineer AI & Data Platforms

A leading global financial markets provider is seeking a highly skilled Lead Java Engineer with over 12 years of backend software engineering experience. The role focuses on building the FTSE Russell Index Platform and involves leading projects from start to finish. Candidates must have strong algorithms and dat ...

Climate Action Java Spring Boot Backend Engineer

The Climate App is looking for a passionate Android app developer to join its team in Greater London. The ideal candidate will have expertise in Java, Spring Boot, and REST, along with a strong drive to combat the climate crisis. The role involves creating an innovative Android application as part of a skilled t ...

Risk Analytics Tech Consultant | SQL, Java & Crystal

Quant Capital is looking for a Technical Consultant for Risk Analytics in London, United Kingdom. The ideal candidate will have strong skills in Microsoft SQL Server, Java, and XML, alongside experience with PL/SQL and ideally Crystal Reports. This is a full-time role focused on financial technology or front off ...

Lead Software Engineer Java/Python, Scalable FinTech

J.P. MORGAN is seeking a Lead Software Engineer within the Commercial & Investment Bank's Equities Technology team in Greater London. This role requires 12+ years of experience in software engineering, along with expertise in Java, Python, and SQL. The candidate will be responsible for delivering high-quality pr ...

Senior Software Engineer – Hybrid Consulting (Java/Scala)

Opencast | B Corp™ in Greater London is seeking a Senior Software Developer to lead the design and delivery of high-quality services using Java or Scala. This role emphasizes collaboration and effective client relationships, requiring regular on-site attendance across the UK. The successful candidate w ...

High Performance Java Engineer for Banking/Trading

An established industry player is on the lookout for specialist Java engineers to work on high-performance, low-latency systems for major financial institutions. This role involves building and maintaining cutting-edge Java applications, optimizing performance, and collaborating with a dedicated team to drive in ...

Senior Backend Engineer Cloud Native Java & Microservices

JPMorgan Chase & Co. is seeking a Lead Software Engineer within the International Consumer Bank to deliver an outstanding banking experience. You will work collaboratively in a diverse team, focusing on cloud-native solutions and enhancing customer journeys. The ideal candidate will have hands-on exper ...

Hands On Engineering Manager: Java Microservices & DevOps

La Fosse Associates is looking for an Engineering Manager to lead a team in London. The role requires a hands-on leader experienced in Java/JVM environments and passionate about scalable microservices. You'll advocate for automation and DevOps practices, working with CI/CD pipelines and cloud-native platforms ...

Engineering Lead II Contacts & Recipients (Java team)

Engineering Lead II - Contacts & Recipients (Java team) Full-time Compensation: GBP 135,000 - GBP 175,000 - yearly Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether ...

Senior Core Java Engineer — Hybrid Backend (London)

TopTek Talent is seeking a Senior Backend Engineer to join a boutique investment firm in London. This role involves developing and enhancing a microservice-based codebase for risk and back-end operations. The ideal candidate has over 5 years of experience in Core Java, strong SQL skills, and familiarity with Clo ...

Senior Java Engineer – Greenfield Platform, Hybrid London

11 roles available (mid to senior level) Pay rate: Outside IR35 – £600 to £800/day (depending on experience) Duration: Initial 6–9 months (programme running through to 2027) Working Arrangement: Hybrid – ~2 days/week in London A major Financial Se ...

Software Engineer III Backend Engineering Java/Kotlin

Software Engineer III - Backend Engineering - Java/Kotlin LONDON, LONDON, United Kingdom Job Description Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center – ...

Lead Java Engineer: Low Latency Trading Systems

Grid Dynamics is seeking Senior and Principal Java Developers to work on a high-performance trading project for a major financial institution. Candidates should have deep knowledge of Java and the JVM, strong experience with low-latency systems, and familiarity with microservice architectures. You’ll be part of ...

Senior Java Engineer Low Latency FICC eTrading

Bank of America is looking for a Senior Engineer in Bromley to join the FICC Macro Rates Electronic Trading Technology team. This role focuses on developing and enhancing critical eTrading components utilized globally. Candidates should have hands-on Java experience, a strong background in multi-threaded develop ...

Java Backend Engineer II — Scalable API Innovation

Tesco is seeking a Software Development Engineer II to join its Lists and Substitutions Team in Greater London. In this role, you will develop high-performance backend APIs that enhance the shopping experience for millions of customers. Responsibilities include coding in Java, participating in planning sessions, ...

Lead Software Engineer Java JPM Personal Investing

Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. Morgan heritage brings. </p ...

Graduate Software Engineer – Java, Python & Scala (London)

WorksHub is looking for a Graduate Software Engineer located in London, United Kingdom. This full-time role offers a competitive compensation package. Candidates should have a degree in Computer Science or Information Technology, proficiency in programming languages like Python and Java, and a solid understandin ...

Senior Lead Software Engineer Python & Java (FrontOffice)

TwinThread is seeking a Senior Lead Software Engineer with a strong background in Python and Java, located in London, UK. In this role, you'll be involved in developing crucial technology solutions in collaboration with the QES team, enhancing and delivering market-leading products. The ideal candidate ...

Staff Backend Engineer – Java, Cloud & Tech Strategy

Capital One (Europe) plc is seeking a Staff Software Engineer - Back End in London. In this role, you'll influence the technical direction, lead multiple teams, and mentor engineers. You will work in a hybrid model, collaborating in the office three days a week. Ideal candidates have deep expertise in Java and s ...

Blockchain & DLT Engineer II Java, Python & TS

TwinThread is looking for a Software Engineer II in London to join our engineering team. You will contribute to the development of blockchain applications using Java, Python, and TypeScript. The role offers the opportunity to engage in collaborative projects with experienced engineers, focusing on scalable and s ...

Low Latency Java Engineer for Scalable Trading

Harrington Starr is seeking a Low Latency Java Engineer in Greater London to join its Core Trading team, specializing in backend engineering for a high-performing electronic trading platform. The role involves developing low-latency trading systems, ensuring high-throughput performance, and closely collaborating ...

Senior Backend Java Engineer Financial Services (London)

LinuxRecruit is looking for a Senior Backend Developer specializing in Java to join their team in London, United Kingdom. The ideal candidate should have a strong background in backend development and a passion for writing impactful code. The position offers a competitive salary between £75k and £85k per year ba ...

Senior Backend Engineer — Java & Data Services Architect

MASS Analytics is seeking a Senior Backend Engineer in London to design and maintain backend services using Java. The role involves analyzing user requirements, developing backend architecture, and ensuring efficient database integration with SQL and NoSQL. The position offers a competitive salary and is full-ti ...

Senior Java Backend Engineer | Cloud Native & Microservices

Trust In SODA is seeking a Senior Java Backend Engineer for a 6-month initial contract, offering £700–£900 per day. This hybrid role requires 2 days per month in London and focuses on building scalable, cloud-native systems. Ideal candidates have strong Java experience, expertise in Kafka and microservices, and ...

Senior Java Engineer Low Latency Trading Platforms

TRM-International is seeking a Senior Java Engineer to join a high-performing Electronic Trading engineering team in Greater London. This role will focus on designing and developing low-latency, high-throughput systems vital for trading platforms. Candidates should have strong experience with Core Java and an un ...

Senior Calypso Software Engineer – Java & API Specialist

Nexus Jobs Limited is looking for a Senior Calypso Software Developer in London, United Kingdom. This role involves working with the Calypso API and Oracle DBMS to support back office processes like Settlements and collateral management. Ideal candidates should have strong Java skills and experience with CATT Au ...

Senior Java Architect – Scalable Gaming Backend (London)

Eeze is looking for an experienced Java Architect based in London, United Kingdom, who can lead the architectural design and technical evolution of our gaming platform. This role will require building a robust, scalable backend ecosystem capable of supporting high concurrency. The position is full-time, with a c ...

Core Java Engineer Fintech, SQL, £80k+ Bonus

Java Script Works is seeking a Core Java Engineer in Greater London to join their fintech client, recognized as one of the top 100 financial technology businesses. The role offers a competitive salary of £80k plus bonuses. The ideal candidate will possess strong Core Java skills, SQL experience, and ideally some ...

London Principal Backend Architect | Java/Spring, Payments

GoTo Meeting is seeking a Principal Software Engineer in London to lead technical efforts across backend services for their global payment gateway. The role involves shaping the architecture of systems, guiding microservices design, and mentoring engineers, requiring strong expertise in Java, Spring Boot, and mi ...

Senior Java Backend Architect Payments, Cloud Native

Verifone is seeking a Senior Developer in London to design and implement high-performance backend services for its payment gateway. This role requires expertise in Java 17, Spring Boot and microservice architectures. You will collaborate closely with cross-functional teams, ensuring security and reliability in a ...

Senior Java Payments Engineer Hybrid, Scale & Reliability

Starling is looking for highly motivated engineers to join their Payment Schemes team. With a primary focus on Java, you will play a key role in building and maintaining systems for payment integrations to ensure stability and accuracy. Your work will help in delivering mission-critical services, worki ...

Senior Java Engineer – Spring, REST & Cloud Native

iManage is seeking a Senior Software Engineer specialized in Java to join their London team. The role involves building the foundation of the InsightPlus application using modern tools such as Spring and RESTful web services. This full-time position requires expertise in cloud-native technologies and a collabora ...

Senior Lead Java Backend Engineer Cloud Microservices

TwinThread is seeking a Senior Lead Software Engineer in Greater London to deliver end-to-end solutions for cloud-native microservices applications. The ideal candidate will have significant experience in back-end software engineering, specifically with Java and cloud technologies. Responsibilities include ensur ...

Senior Software Engineer (Java) in London iManage

Senior Software Engineer (Java) London, United Kingdom Posted 9 months ago Tech stack REST Cloud Manager Spring Framework Software Engineer Java Code Development Setting the foundation of the application. We u ...

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