Java Software Engineer Core Java Jobs in UK

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Software Development Engineer in Test

Division: GBSThe Role:Euroclear is modernising their technology and is moving from COBOL to Java and use Event Hub technology (such as Kafka) for integration between the new migrated services and non-migrated legacy CREST system. The Software Development Engineer in Test will j ...

Software Development Engineer in Test

Division: GBSThe Role:Euroclear is modernising their technology and is moving from COBOL to Java and use Event Hub technology (such as Kafka) for integration between the new migrated services and non-migrated legacy CREST system. The Software Development Engineer in Test will j ...

AI Driven Frontline Software Modernization Engineer

A leading enterprise software firm in the United Kingdom seeks an experienced Full-Stack Software Engineer to act as a Forward Deployed Engineer. This role involves embedding with teams to lead modernization efforts, drive AI-assisted SDLC practices, and manage technical changes. The ideal candidate will have ov ...

Senior Software Engineer (Tech Lead)

Senior Software Engineer (Tech Lead) page is loaded## Senior Software Engineer (Tech Lead)locations: United Kingdom - London - Paddington (PPS)time type: A tiempo completoposted on: Publicado hace 22 díasjob requisition id: JR Dé un paso adelante y deje que Edenred le sorprenda.Cada día, ofrecemos soluci ...

Senior Software Engineer: Lead & Mentor on Scalable Systems

A leading insurance provider in Greater London is seeking an experienced software engineer proficient in JAVA, .NET, and JavaScript. The role involves consulting with users, guiding teams, and developing innovative software solutions. Candidates must possess a strong programming background and be familiar with A ...

Lead Software Engineer Build Secure, Scalable Systems

A leading technology firm in Cheltenham is seeking a Principal Software Engineer. This role involves leading a team, working through the software development lifecycle, and ensuring customer requirements are met. Candidates should have strong experience in Java or frontend technologies, excellent communication s ...

Staff Backend Engineer (FinTech) Bangkok Relocation

A leading online travel platform is seeking a Staff Software Engineer (FinTech) to design robust backend systems and scalable data pipelines. The ideal candidate has over 8 years of experience with Java, Kotlin, Scala, or C# and a passion for software craftsmanship. This role offers an opportunity to influence A ...

Hybrid Data Lead Engineer Python/TypeScript + GraphQL

Java Script Works is searching for a Lead Software Engineer - Data based in Greater London, United Kingdom. This hybrid role focuses on optimizing the platform's performance, requiring strong programming skills in Python and TypeScript, alongside knowledge of the full Software Development Life Cycle (SDLC). Remu ...

Senior Embedded Software Engineer On Site, DV Cleared

A leading defense technology company in Malvern is seeking a Senior Embedded Software Engineer to work on innovative solutions in the field of intelligence security. The ideal candidate will have extensive experience in software development, working with C, C++, Python, Java, or C#. This role is on-site and requ ...

Senior Product Security Engineer

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. QRT is a technology and data‑driven group implementing a scientific approach to investing. Combining data, research, technology and trading expertise has ...

Backend Engineer

Back End Software Engineer at Revolution Technology An award‑winning SaaS customer loyalty platform are currently seeking a Back End Software Engineer to join their growing team in London. The company has been recognised by the Financial Times as one of the fastest‑growing companies in th ...

BMDS Software Engineer – Onsite (Secret Clearance)

A leading defense technology company is seeking a BMDS Software Engineer in the United Kingdom, England, Tipton. The role involves designing and implementing software for mission-critical defense systems in a collaborative Agile setting. Ideal candidates will have a STEM degree, significant experience in softwar ...

Platform Engineer, Apollo Deployment & Orchestration

A leading tech company in the UK is seeking a Software Engineer for their Apollo platform. This role involves building software at scale, collaborating closely with teams to solve complex problems, and participating throughout the product lifecycle. Ideal candidates will have experience in software engineering, ...

Java Backend Engineer II — Growth in Secure, Scalable Apps

A prominent financial services firm in Glasgow is seeking a Software Engineer II to enhance and deliver software components securely. This role involves Java development and technical troubleshooting in a collaborative team environment. Ideal candidates have formal software engineering training and hands-on expe ...

Senior Software Engineer Transit Tech & Scalable Systems

A global transit solutions provider is seeking a Senior Software Engineer to join their dynamic team in Manchester. The ideal candidate will have over 5 years of software development experience, focusing on technologies like C++ and Java, as well as proficiency with AWS serverless architecture. Responsibilities ...

Senior Platform Engineer AI Driven DevOps & Infra

A leading AI software delivery platform is seeking an experienced Infrastructure as Code Management engineer in Belfast. This role involves designing, developing, and maintaining critical software solutions while mentoring teams. Candidates should have over 7 years of experience in Java and Golang, strong analyt ...

Principal Engineer: Logistics & Fulfilment Orchestration

A leading digital retailer in Liverpool is seeking a Principal Software Engineer to design and build front-end and back-end solutions in an agile team. The role involves leading the software development life cycle, mentoring engineers, and influencing engineering standards. The ideal candidate has extensive expe ...

Executive AI Governance Platform Architect

JPMorganChase in Bournemouth seeks a Principal Software Engineer to design and build platforms for AI Governance Engineering. The role involves developing best-in-class tooling, integrating compliance into workflows, and mentoring other engineers. Ideal candidates will have extensive software engineering experie ...

Senior Software Engineer, Services & Automation

A leading financial services company is seeking a Senior Software Development Engineer in Nottingham. The successful candidate will design and develop software solutions that enhance business processes, work collaboratively with stakeholders, and provide technical leadership. This role is ideal for someone with ...

Senior Java Architect & Tech Lead (AWS)

A leading retail company in the United Kingdom is seeking a Principal Software Engineer to lead the software development lifecycle. This role involves hands-on designing, implementing, and improving software solutions in collaboration with various teams. Ideal candidates will have extensive experience in Java an ...

Vice President, Senior Backend Architect – Aladdin Platform

ENGINEERINGUK is seeking a Backend Software Engineer to drive high-performance systems on their Aladdin trading platform. The ideal candidate will have a strong foundation in Java and 8+ years of software engineering experience, focusing on building resilient and well-tested software. The position requires colla ...

AI Driven Software Engineer: Design, Automate & Impact

AHK Group Ltd has an exciting opportunity for a Software Engineer to join our IT – Software Engineering Team in Liverpool. The role involves developing AI-driven software, with responsibilities including writing and auditing code, creating automation tests, and providing technical support. Candidates should poss ...

Senior Data Integration Platform Engineer

DRW Holdings, LLC. is looking for a Senior Software Engineer specializing in Data Integration, located in London. The ideal candidate will have 8+ years of experience in developing data-heavy software and expertise in Python, Java, or C#. Responsibilities include designing software services, driving architectura ...

DV Cleared Senior Software Engineer Cloud/Microservices

Energy Jobline ZR is seeking a Senior Software Engineer to join a leading defense/cyber security company in London. This permanent role offers a salary up to £100,000 plus a clearance bonus. The ideal candidate will hold current DV clearance and have experience with programming languages including Java, Python, ...

Senior AI Native Engineer — Frontline Client Delivery

Indicium Tech is seeking a Forward Deployed Software Engineer to join their team in Greater London. You will lead engagements that revolutionize how enterprises build software, embedding AI native development at every stage. The ideal candidate has at least 5 years of experience in software engineering, a solid ...

Senior Software Engineer – Secure, High‑Assurance Projects

Searchability is seeking a Senior Software Engineer to join a leading cyber and national security organization in the UK. This role involves designing and developing secure, high-assurance software solutions that support national security operations. The ideal candidate should have strong experience in ...

Senior SRE Engineer Reliability, Automation & Cloud

JPMorgan Chase & Co. seeks a Software Engineer III in Keynsham, tasked with addressing complex business challenges through effective software solutions. The role emphasizes system reliability, availability, and performance. Key responsibilities encompass designing and implementing software solutions, d ...

Windows on Snapdragon: Software Apps Engineer

Qualcomm in Farnborough is seeking a Software Application Engineer to provide technical expertise on software systems. Responsibilities include collaborating with teams to debug issues, creating technical presentations, and driving customizations tailored to customer requirements. Candidates should have a Bachel ...

Senior Backend Architect & Tech Lead (Relocation Included)

Agoda is seeking a seasoned software engineer in Greater London to architect and develop scalable backend systems. With over 10 years of experience in software engineering, you will lead large-scale initiatives, foster collaboration across teams, and ensure high-quality software practices. Strong backend skills ...

Software Engineer Web Apps (Agile + DevOps)

Java Script Works is seeking an innovative and detail-oriented Software Engineer to join their team in Greater London, United Kingdom. The role is focused on developing software applications that meet client needs while ensuring the highest quality standards. Ideal candidates should have experience with modern w ...

Senior AI Driven Software Engineer – Multi Agent Systems

A leading software development company in Greater Manchester is seeking a Senior Software Engineer specializing in AI-enabled engineering. This role requires over 5 years of experience in software engineering and proficiency in Java, TypeScript, and MySQL. The candidate will design multi-agent systems and refine ...

Solution Engineer in London Coralogix

Hands-on experience in technical integrations and POCs Comfortable coding in any high-level programming language (Java, Go, Python) Strong hands-on knowledge of Kubernetes, AWS, Azure, GCP, Docker, Prometheus, and OpenTelemetry Coralogix transforms log data into actionable insights thr ...

Solutions Engineer: Cloud Integrations & POCs

Hands-on experience in technical integrations and POCs Comfortable coding in any high-level programming language (Java, Go, Python) Strong hands-on knowledge of Kubernetes, AWS, Azure, GCP, Docker, Prometheus, and OpenTelemetry Coralogix transforms log data into actionable insights thr ...

Senior Software Engineer

Are you a Senior Software Engineer looking for an interesting job opportunity?Our client, TKMS ATLAS UK, are seeking a Senior Software Engineer with skills in Java to work on the development of marine-based autonomous systems.This job will be based out of TKMS ATLAS UK's headquarters in Winfrith, Dors ...

Senior Fullstack Developer/Tech Lead with Java and React

Senior Full stack Developer / Tech Lead (Java & React) PermanentGlasgow (Hybrid) Join an innovative, fast‑moving technology team building modern SaaS solutions that drive meaningful impact across complex business environments. As a Principal Engineer / Tech Lead, yo ...

Senior Fullstack Developer/Tech Lead with Java and React

Senior Full stack Developer / Tech Lead (Java & React) PermanentGlasgow (Hybrid) Join an innovative, fast‑moving technology team building modern SaaS solutions that drive meaningful impact across complex business environments. As a Principal Engineer / Tech Lead, yo ...

Lead Software Engineer, Abuse & Fraud (Remote UK)

Live Nation International is seeking a Lead Software Engineer (Remote, UK) to enhance its Abuse and Fraud Prevention team. This role involves leading development on systems that protect significant revenue streams for Ticketmaster, collaborating across globally distributed teams, and ensuring the successful deli ...

Senior Full Stack Engineer: Architect & Mentor

TPXimpact Ltd is seeking a Senior Software Engineer in the United Kingdom. In this role, you will design and develop high-quality software solutions while mentoring junior engineers. You will work collaboratively with cross-functional teams and drive the adoption of best practices in software development. The ro ...

Senior Fullstack Engineer in London Shamaazi

Senior Fullstack Engineer London, United Kingdom Posted about 1 year ago Tech stack React Java Go Node.js JavaScript Full-stack Frontend Development Engineering Culture Build across the sta ...

VP Backend Engineer High Touch Trading

A leading technology firm in London is seeking talented software engineers to join their front office trading technology team. The role involves building server-side systems that drive trading workflows used by internal traders and external counterparties. The ideal candidate will have over 10 years of software ...

Senior Robotics Software Engineer — Motion Planning Remote

A robotics software company in the UK is seeking an experienced robotics software engineer to develop algorithms and support clients in implementing advanced robotic systems. Applicants should have over 5 years of experience with coding, particularly in Java, and must be proficient in working with industrial rob ...

Senior Back End Platform Engineer – Bangkok (Relocation)

A leading global travel service provider is seeking a Staff Software Engineer to work in Bangkok. The role involves developing scalable, fault-tolerant systems and APIs critical to the business. The ideal candidate has over 10 years of experience in software development using modern programming languages such as ...

Low Latency Software Engineer for Trading Systems

A global trading firm in Greater London seeks a Software Engineer to join their technology team. This role involves designing, developing, testing, and deploying proprietary software for trading strategies and risk analysis. Candidates should have at least 2 years of experience in Java, C++, and Python, along wi ...

Senior Full Stack Engineer Build Enterprise Scale Software

A leading software firm in Abingdon seeks a Full Stack Engineer with strong Front End skills in either React or Angular. This role involves the full software development lifecycle, integrating components into functional systems and working under Agile methodologies. The ideal candidate should have at least 4 yea ...

Staff Full Stack Engineer – Lead Global Systems (Bangkok)

A travel technology company in Greater London seeks an experienced Staff Software Engineer (Full Stack) to join their Bangkok team. The role requires 8+ years in software engineering with expertise in Java, Kotlin, .NET, and JavaScript/TypeScript. Team collaboration, system design, and mentorship are critical. T ...

Senior Cloud Infra Engineer — Remote, Equity, Flexible PTO

A leading cloud analytics company in the UK is seeking a Cloud Infrastructure Software Engineer to design and maintain scalable distributed systems. The role requires over 5 years of experience in software development using languages like Go and Java, as well as familiarity with cloud technologies such as AWS an ...

Cyber Vulnerability Engineer: Reverse Engineering Specialist

Cyber UK is looking for a Cyber Software Vulnerability Engineer to work in Manchester. The role involves software analysis, reverse engineering of various technologies, and collaboration with cybersecurity teams. Candidates should be proficient in C, C++, Java, or C# and familiar with automation scripting. Clear ...

Hybrid Backend Engineer (Java/Kotlin) on AWS | Lead & Mentor

A leading software company in London is seeking a Backend Software Engineer/Developer proficient in Java and Kotlin to join their team. This role offers a hybrid work-from-home flexibility and the opportunity to work with emerging technologies. Candidates should have strong experience in server-side development ...

Trading Connectivity Software Engineer (Go Backend)

A leading technology firm in London seeks a Software Engineer for the Trading Connectivity team. This role involves designing and maintaining high-performance backend systems to support the Talos trading platform. Candidates should have 2-5 years of experience in software engineering, preferably with Go or Java, ...

Site Reliability Engineer: Resilience & Performance Architect

HCLTech in Greater London seeks a skilled software engineer to develop and support Python, Java, and machine learning applications. The role involves researching innovative solutions to enhance infrastructure performance and implementing frameworks for reliability and data availability. Candidates will benefit f ...

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    Java Software Engineer Core Java Jobs in United Kingdom Job Search Guide, Trends and Insights