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Senior Cloud Control Plane Engineer (Kubernetes, Go/Java)

A leading data streaming company in Greater London seeks a Software Engineer to design and implement a distributed control plane for its Confluent Cloud offerings. The ideal candidate will have strong expertise in building distributed systems, experience in programming languages like Go, C++, Java, or Python, an ...

Senior Java Engineer for AI‑Driven Client Lifecycle

A leading financial information provider is searching for a Senior Java Developer to create a client lifecycle management solution. You will leverage a Java/Spring Boot tech stack and cloud technologies to enhance business solutions. In this role, you'll design and implement extensive software solutions, collabo ...

Senior Quality Engineer: Java Microservices & Cloud CI/CD

A leading financial markets infrastructure company seeks a Quality Engineer to enhance the World Check One team in Nottingham. This role involves hands-on automated testing of Java microservices, implementing testing strategies, and promoting quality within Agile teams. Ideal candidates will have strong Java and ...

Senior Software Engineer Java API & Secure Cloud Apps

A leading financial institution is seeking a Senior Software Engineer to design and enhance software solutions. In this role, you will utilize modern engineering methodologies to improve key ID&V methods and contribute to the Customer Care Virtual Channels portfolio. Ideal candidates should possess strong API de ...

Senior Java Reactive Engineer Real Time Payments, Hybrid

A leading payments consultancy in Greater London is seeking a Senior Engineer to join their team. In this role, you will design and implement high-throughput, low-latency systems that power real-time payments for major banks. Ideal candidates will have extensive experience with Java 11+, understand asynchronous ...

Senior Java Low Latency Engineer for E Trading

A leading technology firm in London seeks an experienced Senior Java Developer with over 7 years of expertise in low latency programming. You will be responsible for developing high-performance e-trading solutions within Capital Markets, optimizing JVM and Garbage Collector performance, and leveraging frameworks ...

Senior Java Spring Boot Engineer — Hybrid (London/Remote)

A growing US-based tech company is seeking a Senior Software Engineer/Developer to join their London team. You'll design and enhance their core platform while maintaining existing systems, utilizing your strong Java and Spring Boot skills. This is a hands-on role with career growth opportunities, offering a comp ...

Senior Low Latency Java Engineer for Market Making

A financial technology company is looking for a Senior Low Latency Java Developer to join their Quantitative Strategies team. The role emphasizes developing ultra-low latency systems that directly impact global trading operations. Candidates should possess strong Java development experience, particularly within ...

Senior Software Development Engineer in Test (Java & Selenium)

Overview Uneek have partnered with a leading energy company who provide cutting-edge cleantech solutions in their search for a Senior SDET to join their team. Their mission is to help utilities transition to a more sustainable, customer-focused future. Senior Software Development Enginee ...

Senior Lead Software Engineer Backend Engineering Java/Kotlin

Overview 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 - all in an environment that nurtures skills and helps you realize your potential. Our team ...

Senior Java Engineer AWS/Spring Boot | Hybrid, Growth

A product-led organization in Manchester is seeking a Senior Software Developer with expertise in Java, Spring Boot, and AWS. In this hybrid role, you will lead feature delivery, mentor team members, and maintain high-quality production systems. The position offers career growth opportunities, a collaborative cu ...

Hybrid London: Senior Java Engineer, Low Latency Trading

A leading financial technology firm in London is seeking Senior and Principal Java Developers to work on high-performance trading systems. Ideal candidates will possess strong Java skills and experience in low-latency applications. This hybrid role allows for both remote work and on-site collaboration in Canary ...

Senior Offensive Security Engineer — Secure DevOps for Java

A leading technology company based in Reading is seeking an Offensive Security Engineer to lead the Product Security Team. You will be responsible for enhancing their penetration testing capabilities and ensuring that security practices are integrated into the dev lifecycle. Ideal candidates will have 8+ years o ...

Senior Software Engineer Embedded Linux/Android (Java/C++)

A global transit solutions provider in Manchester is seeking a Senior Software Engineer to design and support applications on embedded Linux and Android. This role involves hands-on development, technical leadership, and mentoring junior engineers. Ideal candidates should have significant experience in C++ and J ...

Senior Core Java Engineer – Ultra Low Latency Trading

A leading trading firm in London is looking for a Senior Core Java Engineer specializing in low-latency systems. In this role, you will design and optimise high-performance trading systems while mentoring a growing team. The ideal candidate will have strong experience in Core Java and a deep understanding of mul ...

Senior Java/Kotlin Engineer (Contract) – London On site

A tech company dedicated to digital delivery is recruiting a Contract Senior Java / Kotlin Engineer to work on-site in Spitalfields, London. The role involves mentoring, designing systems, and collaborating with cross-functional teams to develop JVM applications. Candidates should have over 5 years of experience ...

Senior Software Engineer Java Full Stack, Futures Engineering

Senior Software Engineer - Java Full Stack, Futures Engineering London, UK About Clear Street Clear Street’s mission is to give every sophisticated investor access to every asset, in every market, through a unified platform built for speed, transparency and scale. We give our cl ...

Senior Java Full Stack Engineer — FinTech Microservices Lead

A financial technology firm seeks a Senior Software Engineer specializing in Java Full Stack development to lead the design and delivery of its Cleared Derivatives back-office system. The ideal candidate will have over 7 years of experience in back-end development, particularly in financial environments, alongsi ...

Senior Backend Engineer — Node/Java, React Native & AWS

A large financial services organisation is seeking a Senior Backend Engineer to join their team in City of London. This permanent role focuses on designing and maintaining secure, scalable backend microservices, driving engineering standards and mentoring engineers. Candidates should have expertise in Node.js or ...

Senior Backend Engineer (Kotlin/Java) Hybrid/Leeds, AWS

A leading FinTech firm in Leeds seeks a Senior Software Engineer to design and implement scalable backend services. You will work with Java and Kotlin, focusing on distributed systems and cloud-native environments, particularly AWS. The role offers a competitive salary of up to £85k plus bonus, along with genero ...

Senior Core Java Engineer Low Latency Distributed Systems

A high-growth SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. You will design and maintain high-performance distributed Java services and solve complex engineering problems in a collaborative environment. This role offers the chance to work with cutting-edge technol ...

Senior Java Engineer Market Data Platform (Massive Scale)

A global alternative investment firm located in Greater London is seeking a Senior Java Developer. In this role, you will help architect a large-scale infrastructure processing billions of data points daily. The ideal candidate will have at least 3 years of experience in Java or Python, expertise in Linux, and p ...

Senior Backend Engineer Java/Kotlin Fintech Scale Up

Our client is a London based Fintech scale up with operations across Europe, Asia and South Americas. We are hiring a Backend Engineer to build and maintain scalable backend systems supporting APIs, data services, and integrations. You will work on core platforms, deliver new features, improve reliability, ...

Senior Quality Engineer: Java Microservices & Cloud CI/CD

A leading global financial markets infrastructure provider is seeking a Senior Quality Engineer in Nottingham. This role involves defining standards for automated testing across Java microservices and AWS Lambda functions. The ideal candidate will have strong Java development skills, knowledge of microservices, ...

Senior Java Backend Engineer – Loyalty APIs (London Onsite)

A leading technology company is seeking a Senior Back-End Java Engineer based in London. This role will focus on designing and developing core features for a widely-used app, enhancing the traveler experience. The ideal candidate will have over 5 years of experience, strong programming skills, and a passion for ...

SC Cleared Senior Full Stack Engineer: Java & Microservices

A leading technology firm in London is looking for a Senior Full Stack Developer to support a high-profile public sector digital transformation. The ideal candidate has expert-level skills in Java, Postgres, and Elasticsearch, and a deep understanding of Agile methodologies. Responsibilities include designing ro ...

Senior Java Engineer | Remote First, Mentoring & Complex Systems

A long-established tech company in the United Kingdom is seeking a Senior Java Engineer to join their Scrum team. This role requires hands-on experience with Java and Spring Boot, as well as knowledge of TDD and modern delivery practices. You will mentor fellow engineers, collaborate effectively, and contribute ...

Senior Backend Engineer (Java/Kotlin) for Scalable Microservices

An international financial technology company in London is accepting applications for a Senior Backed Engineer to join their Recommend team. This role involves evolving a recommendation platform and APIs to support new customer experiences. The ideal candidate will have at least 5 years of experience in Java or ...

Senior Java Rates Engineer Low Latency Trading (London)

A leading financial technology firm based in London is seeking an experienced Senior Rates Developer for a 12-month contract. The role involves developing low-latency pricing components and enhancing trading workflows. Ideal candidates will have strong Java server-side development skills and experience in Rates ...

Hybrid Senior Java Engineer – Cloud Native Microservices AWS

A leading recruitment agency seeks a Senior Java Developer for a 12-month contract with a prominent banking client. You will join a high-performing engineering team, designing and deploying enterprise solutions using Java and AWS technologies. The role is hybrid with 2 days onsite in London. Key skills include s ...

Senior Java Backend Engineer Hybrid, 6 Month Contract

A tech recruitment firm in the UK is seeking an experienced Java Developer for a hybrid position, requiring one day per month in the London office. The role is an initial 6-month contract focused on developing and enhancing scalable backend systems. Candidates should have strong experience in Java, solid underst ...

Senior Backend Java Engineer Lead Loyalty Platform London

A leading technology firm in London seeks a Senior Back-End Java Engineer to lead the design and development of core product features for a travel app. The role involves designing APIs, implementing services, and mentoring other engineers. The ideal candidate has over 5 years of experience in software developmen ...

Senior Java & Web Tech Engineer Cloud, AI & Innovation

A leading technology company in the UK is seeking a Java & Web Technologies Developer to design and develop cutting-edge software solutions. Candidates should have extensive experience in Java/JEE and web technologies, with a strong understanding of enterprise application development. This role offers a dynamic ...

Senior Backend Lead Engineer (Java & Kotlin) – Fintech Innovation

A major financial services firm located in Greater London seeks a Senior Lead Software Engineer to lead the development of innovative products focused on solving real-world problems for customers. The candidate will thrive in collaborative environments, bringing a curious mindset and passion for fintech to the t ...

Senior Java Engineer – Low Latency Trading (Hybrid, London)

A leading technology recruitment firm in London is seeking a Senior Java Developer to join a high-performing team focused on low latency trading systems. The ideal candidate will thrive in a fast-paced trading environment, focusing on designing and optimizing fault-tolerant Java services. Responsibilities includ ...

Senior Java Engineer: Scalable Quote API (Hybrid/Remote)

A leading retail company is seeking an experienced backend developer proficient in Java to enhance their pricing service. You will design and implement robust systems for their internet-facing API, collaborating closely with product stakeholders. Ideal candidates should have a strong understanding of cloud platf ...

Senior Java Engineer Scalable Quote API (Remote/Hybrid)

A leading retail company in the UK seeks a skilled Java Developer to build end-to-end systems for a mission-critical API supporting pricing and promotions. The ideal candidate has strong experience with Java 8+, cloud platforms, and SQL/NoSQL databases. They will engage in test-driven development and support pro ...

Senior Java & React Test Engineer (Data Driven Automation)

A leading financial services firm in Bournemouth is looking for a Java Software Engineer III to enhance the automated testing for their Custody business. The role involves executing software solutions, leading data-led testing initiatives, and collaborating with product and engineering teams. Candidates should h ...

Senior Java Engineer Engineering Real Time NHS systems

Senior Java Engineer - £85k + Bonus Java, Spring, AWS, Azure, TDD, BDD, Linux, SQL We’re partnered with one of the UK’s fastest‑growing Healthcare companies, recognised nationally for transforming digital care across the UK’s hospitals. Their platform is now live in major groups, powering real‑time w ...

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    Senior Fullstack Engineer Java Python Jobs in United Kingdom Job Search Guide, Trends and Insights