1,101 to 1,125 of 2,011 kotlin,java Jobs in the UK

Software Engineer - Java Role Overview Are you an experienced Software Engineer with a strong background in Java? This is a hands-on development role within a cross-functional Agile team, focused on delivering innovative software solutions and improving existing systems in a dynamic environment. Location Worcestershire Key Responsibilities Design and develop robust software using Java and associated … that enhances customer experience and strengthens the technical estate. Collaborate with internal teams and external partners to implement scalable solutions. What We're Looking For Essential Skills & Experience Commercial Java development experience. Understanding of production software applications and databases. Ability to write clean, maintainable code and apply design patterns. Strong analytical and problem-solving skills. Experience working within Agile More ❯

on performance, resilience, and code quality. Engage in continuous improvement of system architecture and engineering practices. You should bring: 5+ years of experience building complex, low-latency systems in Java for top-tier institutions OR 2+ years of Java experience plus 5+ years developing low-latency trading systems in C++ or a comparable language. Strong grasp of performance More ❯

Front End Java and HTML Developer ?" Brighton Sussex Our Client is looking to recruit a Front End Software Developer with very strong experience in Java Script. Must have experience with Agile development environment. Any experience with Angular JS framework knowledge would be very handy. Required knowledge and experience: Significant experience with building, launching and managing simple and complex More ❯

Looking to make an impact in a highly collaborative development environment? Our client is seeking a senior-level Java Developer to support a core application driving critical communication strategies. C2C is not an option with this job opening and all applicants should be able work for any US Employer without sponsorship. Sponsorship is not provided and this person will … direct deposit or a pay card. Compensation $55-70/hr., DOE What You'll Be Doing Enhancing and supporting applications used to manage communicationand outreach. Developing and integrating Java (Spring)-based APIs for distributed systems. Writing and optimizing complex SQL queries for DB2 databases. Collaborating daily in a team environment, including peer programming. Handling ad hoc requests for … best practices forcompliance. What You'll Need to be Considered Bachelor's degree required. Deep familiarity with both SOAP and RESTful web services. Experience with stored procedures, MQ, or Java Batch is a plus. Bonus points for exposure to COBOL or JCL/mainframe systems. INDIT ITAC Solutions firstName lastName Email Address Phone Number Attach Resume Accepted file types More ❯

Java Web Developer On-site - Barcelona, Spain, initially, with hybrid possibility after the first few months Day rate based on your experience 6-Month Initial Contract Immediate Start Required We're partnering with a leading international technology consultancy to find an experienced Java Web Developer for an exciting project with a global end client based in Barcelona . … building scalable backend systems, this role offers full-stack challenges in a fast-paced setting. What you'll be working on: • Developing and maintaining enterprise-level web apps using Java (17+), JSP, and Servlets • Creating dynamic, responsive UIs with HTML, CSS, JavaScript, and jQuery • Implementing AJAX-based data exchange (jQuery AJAX, DWR, or AjaxTags) and JSON • Writing and optimizing … PL/SQL Developer for development and debugging • Following best practices for secure, maintainable, and scalable code You'll fit right in if you have: • Hands-on experience in Java web development • Experience with Maven or Gradle for build automation • Strong understanding of JDBC optimization and connection pooling • Familiarity with RESTful services and Git is a plus Sound like More ❯

Backend Software Engineer/Developer London onsite to £160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work? You could be joining a scaling Cyber Security technology company that has just received … million investment. As a Backend Software Engineer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. You'll design and develop new features and enhancements across two security product areas, working across the full development lifecycle; you'll be able to input ideas and have your voice heard in a collaborative … in London five days a week with a wide range of facilities and an array of perks including free, chef cooked meals. About you: You have strong backend core Java development skills You have a strong knowledge of software engineering best practices and have experience with TDD You have a good knowledge of SQL and Networking (TCP/IP More ❯

all asset classes. This system handles millions of trades daily and conduct all sub-ledger activities, which is critical for the bank. We are seeking a highly experienced Senior Java Lead Developer to modernize our core financial accounting systems. You will play a critical role in rewriting our legacy sub-ledger application to a modern Java-based architecture. … This involves analyzing existing code, designing equivalent Java components, and ensuring a seamless transition while maintaining system functionality and performance. This role is based at London office interfacing with global technology & business aligned teams. Responsibilities: Develop application methodologies and standards for program analysis, design, coding, testing, debugging, and implementation Analyze existing modules and shell scripts to design equivalent Java components Develop and implement high-performance, scalable, and secure Java applications to replace legacy code Write clean, well-documented, and testable Java code Collaborate with architects and other developers to define the migration strategy and ensure a smooth transition Work with relational databases, primarily Sybase ASE and MS SQL, to adapt existing database schemas and queries to More ❯

Junior Software Developer with C# C++ Java or Delphi Our Client is a boutique software consultancy providing analytical tools and processing software to the retail banking industry. Their tools are used by high street banks and major credit companies to evaluate credit risk of their applicants. They have a large library of Delphi software code incorporating SQL, XML, XSL … and a desire to improve and develop already effective technical skills. Must have a s ound background knowledge of Object Oriented techniques coupled with exp erience in Delphi C++ Java . Any experience of SQL Server , n-tier/client-server , Microsoft Visual Source Safe (VSS) , XML/XSL , Mathematical/statistical knowledge would be very useful Salary for More ❯

ob Description Position: Java Web Developer Contract Type: Inside IR35 Rate: £550-£600 per day Contract Length: 6 months Location: Remote Security Clearance: SC Clearance required Overview: We are seeking an experienced Java Web Developer to join our team for a 6-month remote contract, working with a key public sector client to support a critical service. This … role requires expertise in AI deployment, Java, and web development. The successful candidate will play a pivotal role in enhancing public sector services through the deployment and management of advanced AI solutions. Key Responsibilities: AI Deployment: Deploy and manage AI solutions to enhance public sector services. This includes the integration of AI technologies into existing systems and ensuring their … AI systems. Required Qualifications: Experience: Proven experience in AI deployment, with a strong track record of successfully implementing AI solutions in a professional setting. Technical Skills: Strong proficiency in Java and web development. Familiarity with other programming languages and technologies is a plus. Security Clearance: SC Clearance (or ability to obtain). This is a mandatory requirement for this More ❯

Java Software Engineer - Remote Scotland We're working with a leading-edge tech team developing next-generation software. This is your chance to join as aJava Software Engineer, taking ownership of key features in brand-new products, collaborating across teams, and contributing to all stages of the development lifecycle in an agile environment. What's in it for you … external users with bug fixes and updates Driving clean, maintainable code that follows best practices Engaging with product teams, providing input into architecture and improvements What you'll bring: Java experience in a professional setting Strong debugging, problem-solving and software engineering skills Experience across the full software lifecycle A collaborative mindset with great communication Launch your next role More ❯

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 9, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage, and delight customers by delivering inbound experiences that … are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should be created, and how it should be built. Within their setup … roles would be suitable Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, Linux, C# or Java; which might have been acquired as part of your degree course or through a placement year in industry. At the center of our client's culture is freedom and More ❯

Principal Java Engineer (Backend) - Scale-Up Security Tech - Remote/Hybrid (Ireland/NI) €105-111k + 10% bonus + Equity Event-Driven Microservices Java AWS Hands-on Leadership An innovative scale-up is looking for a Principal Java Engineer to help them re-architect a critical platform used by law enforcement, emergency response, and global … rebuilding their platform from a monolithic legacy system to a modern, event-driven microservices architecture hosted on AWS. What you'll do Lead the design and build of scalable Java microservices in an event-driven architecture Help re-architect a platform used by thousands of users globally - high visibility, high impact Work closely with product, QA, design, and senior … mentoring, and code reviews Champion best practices in software design, performance, and system reliability Be a key voice in technical strategy and architecture discussions About you 6+years' experience with Java and Spring Boot, strong backend focus Currently in a Principal, Staff or Tech Lead hands-on role Expertise in microservices and event-driven systems (Kafka, SNS/SQS, etc. More ❯

the world, our teams are pioneering faster, better ways to bring our client's most exciting ideas to life. Are you ready to make an impact? As a Lead Java FullStack Developer at Emergn, you'll help us shape Emergn's exciting future and play an important role in our growth. Join our Java team, and let's … make an impact together! We want you to: Take responsibility over designing, coding, testing and deploying Java-based applications. Collaborate with cross-functional teams to define project scope, architecture and delivery timelines. Conduct code reviews and enforce coding standards and best practices. Troubleshoot, debug and optimize applications for performance and scalability. Maintain code integrity and organization that delivers real … participate in all front, backend activities including testing. You're a perfect fit if you have: Excellent experience with development and Software Architecture design. Extensive backend development experience with Java - Springboot. Demonstrated frontend development experience with Angular. Experience working with AWS. Experience with PostgreSQL database. Knowledge of Design Patterns, Architecture Styles and CICD - Pipelines, Docker, etc. Nice to have More ❯

DevOps, and customer support teams to ensure performance, availability, and ongoing innovation. 🛠️ Key Responsibilities Production Support & Performance Monitor and optimise Oracle databases for performance and availability Support connectivity for Java EE applications and serverless AWS Lambda functions Implement robust backup, recovery, and disaster recovery strategies Troubleshoot and resolve performance bottlenecks across the stack Collaborate with AWS infrastructure teams to … data migrations (including historical datasets) Investigate and resolve customer-specific database issues Ensure custom configurations meet allocation/reporting needs 🌍 Tech Environment Oracle databases on AWS (RDS/EC2) Java EE applications and AWS Lambda (Java/TypeScript) Event-driven architecture (Kinesis, EventBridge) Multi-tenant SaaS platform Infrastructure as Code (Terraform/AWS CDK) 🙌 About You Must-Have … 8+ years of hands-on Oracle DBA experience Strong SQL tuning and performance optimisation skills Experience with Java application database connectivity AWS experience (RDS, EC2, or Aurora) High availability and disaster recovery experience Understanding of SaaS and multi-tenant design principles Scripting experience (Python, Shell, or similar) Familiarity with DevOps practices and CI/CD pipelines Nice-to-Have More ❯

We are partnering with a key client who is seeking a Java Support Engineer to join their growing team on a contract basis. The ideal candidate will have experience working in secure managed services or production support environments, possess a strong understanding of Linux-based systems and CI/CD pipelines, and be confident supporting both application-level issues … promptly to incidents Managing infrastructure using modern Infrastructure-as-Code (IaC) tooling and container platforms Ensuring high system availability and responsiveness across multiple data centre environments Technical Environment Includes: Java, Maven, NPM for application builds Cypress for automated testing Git for source control Terraform and Ansible for infrastructure configuration OpenShift, RHEL/CentOS, and Docker for deployment targets InfluxDB More ❯

We are partnering with a key client who is seeking a Java Support Engineer to join their growing team on a contract basis. The ideal candidate will have experience working in secure managed services or production support environments, possess a strong understanding of Linux-based systems and CI/CD pipelines, and be confident supporting both application-level issues … promptly to incidents Managing infrastructure using modern Infrastructure-as-Code (IaC) tooling and container platforms Ensuring high system availability and responsiveness across multiple data centre environments Technical Environment Includes: Java, Maven, NPM for application builds Cypress for automated testing Git for source control Terraform and Ansible for infrastructure configuration OpenShift, RHEL/CentOS, and Docker for deployment targets InfluxDB More ❯

JOB DESCRIPTION Required Skills: 4+ years of Java Development experience - Java 11+ Spring Experience working with microservices architecture Kafka for messaging - to some extent or equivalent MongoDB - to some extent or equivalent Strong understanding of SDLC Nice to haves: Gitlab - experience with others is generally fine, they can learn Gitlab Test automation (JUnit, Mocking, Gherkin) - candidate does not … need deep expertise in all, should have some general experience in automation Job Title: Java Developer Location: Birmingham, UK Rate/Salary: 300.00 - 500.00 GBP Daily Job Type: Contract Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. (phone number removed). Allegis Group Limited operates as an Employment Business and Employment More ❯

Lead QA Automation Engineer (JAVA) Permanent/Hybrid/Bridgend or Leicester Overview: We are seeking a Quality Engineering Automation Lead to drive automation initiatives, architect scalable testing frameworks, and enhance software quality in a fast-paced, technology-driven environment. This role requires strong expertise in test automation, CI/CD integration, and mentoring teams in best practices. Essential … Technology & Experience: * Automation Frameworks: Katalon (certified expert preferred), Selenium, Appium, Cucumber, TestNG, JUnit.* Languages: Java, Groovy, JavaScript.* API Testing: SOAP, REST (using REST Assured), Web API testing.* CI/CD & DevOps: Jenkins, Azure DevOps,* Test Methodologies: BDD, continuous testing, performance testing (JMeter).* Cloud & Integration: Azure integration services.* Experience: 10+ years in test automation, enterprise-level frameworks, Agile/ More ❯

a hands-on, high-accountability leadership role for a technically proficient Director of Engineering who thrives in scale-up conditions. You'll oversee multiple globally distributed development teams spanning Java-based backend services, React front-end applications, full-stack systems, and QA automation, while also shaping product delivery, architecture, and engineering culture. Key Responsibilities: * Lead distributed engineering teams delivering … secure, scalable RESTful and GraphQL APIs built in Java * Support front-end delivery using React and , and oversee internal tooling built with ASP.NET * Embed quality throughout the SDLC, supporting QA teams using Playwright, SpecFlow, and Testiny * Collaborate with Product, Architecture, and Compliance teams to shape and deliver a value-driven roadmap * Guide architectural decisions to ensure performance, resilience, and … of direct feedback, coaching, and autonomy at all levels of the engineering organisation Essential Criteria: * Proven experience leading multi-disciplinary engineering teams across global locations * Strong technical background in Java, microservices architecture, and distributed systems * Comfort operating in lean, fast-moving environments with limited layers of support * Ability to mentor senior engineers, lead effective 1:1s, and support individual More ❯

We are recruiting for an Java Engineer for a 6 month fixed term contract to start ASAP. On-site presence required in Leeds 2 days per week. Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We've been helping organisations build better digital products and … our mission to close the world's digital skills gap. What you'll bring to the table: Solid development experience working in a commercial environment, a good understanding of Java or similar (e.g. C#), Typescript and Angular, and wider experience in different tools and frameworks and across the stack. Knowledge of AWS or another cloud product set (e.g. GCP More ❯

We are recruiting for an Affiliate Java Engineer for a contract to start ASAP. On-site presence required in Leeds 2 days per week. Day rate: £350-450 Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We've been helping organisations build better digital products … our mission to close the world's digital skills gap. What you'll bring to the table: Solid development experience working in a commercial environment, a good understanding of Java or similar (e.g. C#), Typescript and Angular, and wider experience in different tools and frameworks and across the stack. Knowledge of AWS or another cloud product set (e.g. GCP More ❯

Role: Software Engineer Location: 1-2 days a week in London Salary: £80,000 - £115,000 + Bonus Are you a motivated java micro-services specialised software engineer looking to elevate your career? This is an opportunity for a technically minded individual to be designing, producing, testing and implementing working code, working across the life cycle of the system. … ll also need to be capable of complex requirements analysis capture and validation against and with business and platform requirements. Additionally, you'll demonstrate experience of: Building microservices in Java, ideally with a broad experience of frameworks, including asynchronous frameworks like Project Reactor Designing, building, deploying and running services for retail scale workloads and considerations for running at scale More ❯

On behalf of DWP we are looking for a Java Developer for a 12 month (Inside IR35) contract. Hybrid working with 2 3 days per week required in either Manchester, Leeds, Birmingham or Newcastle. The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child maintenance policy. As the UK's biggest public service department, it … on us every day, including the most vulnerable in society * Improve experience of our services while maximising value for money for the taxpayer. We are looking for an outstanding Java Developer, who can make a positive impact, and wants to contribute to the most demanding and exciting new digital service for the UK Government. Let's be clear about … at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.) * Recent experience with Java 17 (or later). * Excellent understanding of TDD and BDD. * Experience with large microservice architectures. * Experience of working in an Agile environment. * Have experience in implementing APIs for internal More ❯

days per week in any of the Vitality Offices. Full time hours. We are happy to discuss flexible working! Top 3 skills required: To be fully proficient in Java Familiarity with DevOps tools To be able to identify key areas of improvement within Vitality's processes and standards What this role is all about: Our Software Engineers are vital … What do you need to thrive? Demonstrable expertise with 5+ years of experience in the use of appropriate tools/technologies for the design, development, build, testing & deployment of Java/JEE applications including; Demonstrable experience in integrating disparate applications and technologies using Java Experience with a range of modern web application frameworks and integration technologies Analytical skills More ❯

currently going through a period of exponential growth and are enjoying record profits The business is actively expanding as there is additional headcount for a number trade platform specialist Java Development with a focus on either/or Quantitative Development or low-latency performance optimization. You will be working on greenfield projects to build out and enhance their low … alerting, and fault tolerance SKILL/EXPERIENCE REQUIRED: Expertise in market-making or algorithmic trading, including deep understanding of order book dynamics and pricing techniques Proven track record in Java programming, specifically in building fast, low-latency trading systems Strong familiarity with market data and order execution protocols (e.g. FIX, binary, or custom APIs) Hands-on experience with JVM More ❯