Java Software Engineer Core Java Jobs in UK

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Kotlin Developer

Job Title:Full Stack Developer – Kotlin / Java Duration: long-term contract Location: UK Based Remote (Travel to Birmingham / Sheffield when needed) We are seeking a Full Stack Developer to join the DevOps team. The role involves end-to-end software deve ...

Kotlin Developer

Job Title:Full Stack Developer – Kotlin / Java Duration: long-term contract Location: UK Based Remote (Travel to Birmingham / Sheffield when needed) We are seeking a Full Stack Developer to join the DevOps team. The role involves end-to-end software deve ...

Kotlin Developer

Job Title:Full Stack Developer – Kotlin / Java Duration: long-term contract Location: UK Based Remote (Travel to Birmingham / Sheffield when needed) We are seeking a Full Stack Developer to join the DevOps team. The role involves end-to-end software deve ...

Kotlin Developer

Job Title:Full Stack Developer – Kotlin / Java Duration: long-term contract Location: UK Based Remote (Travel to Birmingham / Sheffield when needed) We are seeking a Full Stack Developer to join the DevOps team. The role involves end-to-end software deve ...

SC Cleared Senior Software engineer

SC Cleared Senior Software engineer ASAP Start 28/08 finish - strong expectation for extension £450 Outside ir35 RemoteDetails below Technical RequirementsCore Tech StackPythonTypeScriptFastAPIPostgreSQLAWS‑hosted environmentAdditional Useful Experience ...

API Automation Engineer

API Automation EngineerHybrid Working - London - 2 days a week on site.Financial ServicesLorien's leading banking client is looking for a skilled API Automation Engineer with strong experience of with Rest API testing in Java to join our London-based team.The ideal ca ...

API Automation Engineer

API Automation EngineerHybrid Working - London - 2 days a week on site.Financial ServicesLorien's leading banking client is looking for a skilled API Automation Engineer with strong experience of with Rest API testing in Java to join our London-based team.The ideal ca ...

Software Engineer

Software Engineer Gloucester, Gloucestershire £43000 - £98000 p/a with BUPA, bonus and full benefits 4 Day Work Week optionsLockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for gl ...

NodeJS Developer in London Quant Capital

Requirements: At least 2 years of software development experience, which may have occurred at school. Proficiency in the following technologies:HTML5, TypeScript/JavaScript, NodeJS. Experience in building responsive web applications using React. Experience in testing through Uni ...

Software Engineer, Platform Cambridge, United Kingdom in Cambridge Speechify

Overview Software Engineer, Platform - Cambridge, United Kingdom Location: Cambridge, United Kingdom Posted 26 days ago Responsibilities Inspire, collaborate with designers, marketers, and PMs to deliver platform features Develop and maintain the platfor ...

Hybrid Node.js & React Engineer – 1 day in office

Requirements: At least 2 years of software development experience, which may have occurred at school. Proficiency in the following technologies:HTML5, TypeScript/JavaScript, NodeJS. Experience in building responsive web applications using React. Experience in testing through Uni ...

Python Developer

Experience in programming languages like Python, Java, SQL Knowledge in AI development tools or frameworks Knowledge of data processing, ETL patterns, or analytics pipelines 4-6 years of relevant experience in ETL, low-code-no code platforms, BI solutions, data-wrangling fields with inter ...

Senior Software Engineer

Salary: £60,000–£80,000 (depending on experience)Location: UK-wide (Hybrid / On-site options available)Working Pattern: Full-time The Opportunity We’re looking for talented and motivated Software Engineers to take on a range of cutting-edge engineering and technology roles. ...

System Development Engineer, Reliability and Automation Engineering

System Development Engineer, Reliability and Automation Engineering Job ID: | Amazon UK Services Ltd. Join Amazon as a Systems Development Engineer – Drive Global Innovation in Reliability and Automation.Amazon is looking for a Systems Development Engineer to join our Global RME (Reliab ...

Full Stack Engineer

Design, develop, and maintain robust Java-based applications. Deliver secure, stable, and scalable solutions across various business and technical domains. Collaborate with cross-functional teams to understand requirements and translate them into effective technical solutions. < ...

Graduate Software Engineer

Overview A multinational technology firm is looking for a personable IT graduate with a passion for development to join its team, based in Manchester. As the business embraces flexibility, you can work from home 3 days per week. Responsibilities Working with a team of developers in ...

Sr. Software Engineer Fraud & Quality Team

Sr. Software Engineer - Fraud & Quality Team Full-time Who We Are Cint is a pioneer in research technology (ResTech). Our customers use the Cint platform to post questions and get answers from real people to build business strategies, confidently publish rese ...

Java Full Stack Engineer with AI driven development exposure Vice President

Vice President - Java Full Stack Engineer with AI-driven development exposure Location: Manchester. We’re seeking a future team member for the role of Java Full Stack Engineer with AI-driven development exposure to join our Conventional Trust Platform team. Responsibilities ...

Software Engineer

Overview Software Engineer (Government / Security) – Gloucester (Hybrid) Our client, a leading UK cyber security and defence consultancy, is currently seeking a Software Engineer to work on critical National Security projects that help protect nations, governments and businesses aga ...

Smallworld GIS System Specialist

• + years of experience with Smallworld PNI, Core SW, SW, EO, GDO, GTO, GSS, GSA, DM, MES, NRM, K • + years of experience with magik, Java, VMDS & Oracle Database • SQL, shell scripting, ability to read and interpret logs & debug files • Installation of Operating system patches and other rd Party ...

Smallworld GIS Support Engineer

• + years of experience with Smallworld PNI, Core SW, SW, EO, GDO, GTO, GSS, GSA, DM, MES, NRM, K • + years of experience with magik, Java, VMDS & Oracle Database • SQL, shell scripting, ability to read and interpret logs & debug files • Installation of Operating system patches and other rd Party ...

Smallworld GIS System Specialist

• + years of experience with Smallworld PNI, Core SW, SW, EO, GDO, GTO, GSS, GSA, DM, MES, NRM, K • + years of experience with magik, Java, VMDS & Oracle Database • SQL, shell scripting, ability to read and interpret logs & debug files • Installation of Operating system patches and other rd Party ...

Smallworld GIS Support Engineer

• + years of experience with Smallworld PNI, Core SW, SW, EO, GDO, GTO, GSS, GSA, DM, MES, NRM, K • + years of experience with magik, Java, VMDS & Oracle Database • SQL, shell scripting, ability to read and interpret logs & debug files • Installation of Operating system patches and other rd Party ...

Principal Software Engineering Manager

Locations Remote, United Kingdom Overview GitHub is shaping the future of software development in the age of AI agents — and search is at the heart of it. As GitHub's lexical and semantic code search engine, Blackbird powers context retrieval for business‑critical experi ...

Senior Software Engineer in Test

Senior Software Engineer in Test Certain Advantage are recruiting on behalf of our globally renowned brand for a Senior Software Engineer in Test. This is a temporary contract inside IR35 initially until March 2027 working a couple of days onsite per month in Manchester for meet ups. We’re seekin ...

Senior Test Engineer in London LinuxRecruit

Senior Test Engineer London, United Kingdom Tech stack GitLab JUnit CI/CD Java SOLID Qualifications Solid understanding of all things automation; strong preference for coding with Java as the primary codebas ...

Vice President, Java Full Stack & AI Driven Platform

BNY is looking for a Vice President - Java Full Stack Engineer with AI-driven development experience to join their Conventional Trust Platform team in Manchester. The role involves defining technology strategies, leading enhancements, and ensuring quality in application design across platforms. Candidates should ...

Immunoinformatics Engineer in London Dalton

Immunoinformatics Engineer London, UnitedKingdom Tech stack Python C Java Required Qualifications Advanced proficiency in Python or experience with other programming languages (e.g., Java , C/C++). Strong ...

Senior FX Pricing Engineer & Tech Lead (Low Latency)

Citi, a leading global bank, seeks a hands-on Java engineer in London to manage a high-quality team and develop FX technology solutions. Responsibilities include leading system architecture design and enhancing team performance. The role requires deep Java expertise, knowledge of ultra-low-latency practices, and ...

Senior Android Engineer | Remote, Scale Driven Impact

Reqiva Ltd is looking for a Senior Java / Android Developer to join their team. This remote-first role requires strong Java and Android development experience, along with skills in MVVM and Git. The successful candidate will develop high-performance applications, collaborate with cross-functional teams, and cont ...

Urgent Requirement for Test Engineers in UK based Co.

Urgent Requirement for Test Engineers in UK based Co. Responsibilities Individual contributor with a good understanding of Software Testing Concepts, Software Testing Life Cycle and Processes. Hands-on experience with Selenium, FitNesse, Protractor or other Java-based automa ...

Software Test Engineer

Software Test Engineer (BBBH39135) Portsmouth, England Salary: GBP45 - GBP50 per hour + INSIDE IR35 MERITUS Talent are working with one of Europe’s leading aerospace & defence organisations for the recruitment of a Software Test Engineer to join on a contract basis in their Portsmouth ...

Senior Software Engineer

Senior Software Engineer Do you have the right skills and experience for this role Read on to find out, and make your application.Tech: TypeScript / Kotlin. Back End Agnostics welcome. Office : Remote, but meet up once a month ...

Android Engineer

# Android EngineerDeveloperLondonMay 6, - 85000 / yearFull TimeApplication ends: **October 24, 2028**Apply Now### Job DescriptionMid/Senior Android Engineer designs, develops, tests, and optimizes scalable Android applications using Kotlin, Java, Android SDK, APIs, architecture patterns, and performance-focus ...

Software Engineer

Your role We are looking for a Software engineer who will be primarily responsible for the design, development and integration of the hardware-in-the-loop simulator as well as support technical exchanges with other space engineering disciplines. You will work closely with the system engineering te ...

Senior DevOps Engineer

Job Description Responsible for implementing and supporting improvements, efficiency, enhancing software quality, and accelerate delivery times. Having the shared responsibility between development/operations with a focus on people, process, tolls that take a unified customer/user focus. In a mul ...

Senior DevOps Engineer

Job Description Responsible for implementing and supporting improvements, efficiency, enhancing software quality, and accelerate delivery times. Having the shared responsibility between development/operations with a focus on people, process, tolls that take a unified customer/user focus. In a mul ...

Senior DevOps Engineer

Job Description Responsible for implementing and supporting improvements, efficiency, enhancing software quality, and accelerate delivery times. Having the shared responsibility between development/operations with a focus on people, process, tolls that take a unified customer/user focus. In a mul ...

Senior Backend Engineer

About Us Ready for a challenge and adventure? At XYZ Reality, we are a well-established, award-winning Series-A startup accelerating toward our next funding round. Our mission is to expand our platform, enhancing features, performance, and scalability while revolutionizing the constructio ...

Senior Backend Engineer

Ready for a challenge and adventure? At XYZ Reality, we are a well‑established, award‑winning Series‑A startup accelerating toward our next funding round. Our mission is to expand our platform, enhancing features, performance, and scalability while revolutionizing the construction industry. ...

Senior Back End Software Developer

Job Description My client, a global leader in financial market infrastructure and trading technology, is hiring a Senior Software Engineer (Back End) to join an existing engineering team based in Belfast. This is an exciting opportunity to work on business-critical software solutions supporting g ...

Junior Software Developer

Overview LMAX is renowned for its high-performance, ultra-low latency (we measure in microseconds) exchange written in core Java. We constantly push technology further than most, especially in our greenfield projects, driving the financial industry in new directions. If you want to work wit ...

Software Developer

We are hiring for Java Developer at Northampton, UK – 2-3 days per week Onsite Role Description We are seeking an experienced Lead Java Developer with CIAM (Customer Identity and Access Management) expertise to design, develop, and lead the implementation of scalable and sec ...

Java Low Level/Low Latency Engineer in London McGregor Boyall Associates Limited

Java Low-Level/Low Latency Engineer London, United Kingdom Posted 9 months ago McGregor Boyall Associates Limited We are looking for a deep understanding of systems‑level programming, with proficiency in Java and/or Rust, C, or C++. Applicants should have experienc ...

Principal Software Engineer

Principal Java Engineer - Belfast (Hybrid)We're hiring a Principal Java Engineer for one of the most interesting product engineering teams in Belfast. This is a genuine principal-level role - not a senior engineer with a better title. You'll be setting technical direction, owning architecture decis ...

Principal Software Engineer

Principal Java Engineer - Belfast (Hybrid)We're hiring a Principal Java Engineer for one of the most interesting product engineering teams in Belfast. This is a genuine principal-level role - not a senior engineer with a better title. You'll be setting technical direction, owning architecture decis ...

Software Engineer

KO2 Embedded Recruitment Solutions Ltd provided pay range This range is provided by KO2 Embedded Recruitment Solutions Ltd. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from KO2 Embed ...

Graduate Software Engineer Computer Science

Graduate Software Engineer / Developer *Newcastle onsite* £35k+ Start September 2026Are you a bright, ambitious technologist with a top class Computer Science degree looking for an opportunity to join a tech start-up?You could be progressing your career at a start-up Investment Management ...

Graduate Software Engineer Computer Science

Graduate Software Engineer / Developer *Newcastle onsite* £35k+ Start September 2026Are you a bright, ambitious technologist with a top class Computer Science degree looking for an opportunity to join a tech start-up?You could be progressing your career at a start-up Investment Management ...

Full Stack Engineer

Looking to join a company when you can make a real impact? Do you have 3+ years commercial experience developing software with Java & JavaScript? Full Stack Engineer – SaaS Solutions Salary – up to £55k + bonus Location – hybrid ...

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