1,451 to 1,475 of 2,247 kotlin,java Jobs in the UK

Led SRE Hybrid/Remote – Once a month requirement in Leeds. Up to £80,000 per annum plus car allowance plus bonus. VIQU have partnered with a leading company within the supply chain industry who are seeking an SRE Manager More ❯

SRE Manager Hybrid/Remote – Once a month requirement in Leeds. Up to £80,000 per annum plus car allowance plus bonus. VIQU have partnered with a leading company within the supply chain industry who are seeking an SRE Manager More ❯

Our Government client is looking for an Engineer with experience working on Axon frameworks. This will initially be 2-3 months, with the possibility to extend beyond. The role will be INSIDE IR35, hybrid, with hybrid travel to Swansea, Wales. More ❯

Lead .NET/Java Developer - Hybrid - £600-£700/day Outside IR35 | .NET | C# | Java | Event Driven Architecture | Event Sourcing Looking to speak with Lead Engineers with experience in .NET and Java, for a new FinTech. 6-month contract Outside IR35 Hybrid working, offices located in London Skills: Proven experience as a Lead Engineer Strong hands-on … development experience in C#/.NET and Java Deep understanding of event sourcing and Event Driven Architecture Experience implementing scalable solutions using a cloud platform such as Azure. Solid knowledge of messaging/event streaming technologies (Kafka, EventStore, etc.). Lead .NET/Java Developer - Hybrid - £600-£700/day Outside IR35 | .NET | C# | Java | Event Driven More ❯

Lead .NET/Java Developer - Hybrid - £600-£700/day Outside IR35 | .NET | C# | Java | Event Driven Architecture | Event Sourcing Looking to speak with Lead Engineers with experience in .NET and Java, for a new FinTech. 6-month contract Outside IR35 Hybrid working, offices located in London Skills: Proven experience as a Lead Engineer Strong hands-on … development experience in C#/.NET and Java Deep understanding of event sourcing and Event Driven Architecture Experience implementing scalable solutions using a cloud platform such as Azure. Solid knowledge of messaging/event streaming technologies (Kafka, EventStore, etc.). Lead .NET/Java Developer - Hybrid - £600-£700/day Outside IR35 | .NET | C# | Java | Event Driven More ❯

Java Developer - Java, Spring, Linux, SQL Rate - Negotiable 3 days per week in Glasgow A leading Tier 1 Investment Bank are looking for a hands-on Java Developer who knows how to write Java code from scratch. Knowledge of Java, SQL and Linux command line. 12 month contract (rolling) By applying to this job you More ❯

Senior/Lead Java Developer £(Apply online only) per day Outside IR35 Fully Remote (Must be UK based) Initially 6 Months (Project scope for 12-24 Months) Start ASAP Unify are proudly, exclusively representing a highly respected digital transformation partner, as they embark on another exciting, high profile program of works. We are looking for 2 Senior or Lead … Java Developers to join the team on a long term contract basis. The ideal Engineers will have proven experience of working on long term Government, defense or public sector projects, with a team playing, consultative approach, with excellent communications and customer facing skills. We need: Strong experience in Java Development Experience in Postgres Experience in AWS Experience in … Python Experience in HTML Experience in GIS and Ruby would be desirable ***The ideal Senior/Lead Java Developer will have proven experience of working on long term Government, defense or public sector projects, with a team playing, consultative approach, with excellent communications and customer facing skills*** Please apply by submitting your latest CV for immediate review by our More ❯

long term contract, working for a major finance company, inside IR35 and fully remote. The key skills required for this Software Engineer role are below. Low latency FX Matching Java C++ (desirable) trading (desirable) SQL Gradle If you do have the relevant experience for this remote Software Engineer position, please do apply. More ❯

the job description. To read the full text, please click on the "Apply Now" link. Salary: £85,000 - 85,000 per year Requirements: A minimum of 3 years of Java development experience (Java 11, Micronaut or Spring). Ideal candidates should have 7-8 years of commercial experience. Strong understanding of microservices architecture and experience with 108 E More ❯

Job Title: Java Developer ( Location: Glasgow (Onsite, 5 days/week) Duration: 4 to 6 months Rate: £400 - £450/day, Inside IR35 Experience: 6+ Years of experience Job Description: We are seeking a skilled Java Developer for 6 month contract role based in Glasgow. This is a full onsite position (5 days per week). The successful … candidate will be responsible for maintaining and enhancing both legacy and newer front-end screens, alongside backend development and database management. Key Skills & Experience: Java: Strong experience in Java development, including backend services and application logic. extJS: Experience working with extJS for maintaining and enhancing older UI screens. React: Familiarity with React for developing and maintaining newer UI … components. Oracle SQL: Solid skills in writing and optimizing SQL queries in Oracle databases. Responsibilities: Develop and maintain Java-based backend applications. Support and enhance legacy front-end screens built with extJS. Develop and maintain newer front-end screens using React. Write, optimize, and troubleshoot Oracle SQL queries. Collaborate with cross-functional teams to deliver high-quality solutions. Participate More ❯

Java Developer – Newcastle – up to £65K DOE Hybrid or Remote A Newcastle-based company that’s quietly shaping the future of global infrastructure protection is currently hiring for an experienced Java Developer to join their team. Within this role you will make a real impact developing high value, mission critical software utilised worldwide. As a Java Developer … applications that enable real-time monitoring and operational oversight across a range of global industries. You will also contribute to the technical direction and architecture of their systems. Technologies: Java Spring SQL JavaScript Wildfly Salary for this role is up to £65K DOE Benefits Real ownership and input into technical decisions A collaborative, small-team environment with global reach More ❯

About the Job CI Engineer with Java- DevOps Team Bachelor's degree in computer science or related field, or equivalent training and experience. 4+ years engineering experience with large-scale applications. Ability to apply complex principles, theories and concepts of the technical discipline and provide solutions to a wide range of complex tasks, - projects and problems Advanced knowledge and … proficiency with source control systems, preferably git Experience using and configuring continuous integration tools (Hudson, Jenkins, etc.) Proficient with Java based build systems and related tools (Maven, Nexus, etc.) Expertise developing in Java language Expert with scripting languages (python, perl, groovy etc.) Strong desire to automate build, test, deployment, and related activities Ability to participate in on-call More ❯

About the Job CI Engineer with Java- DevOps Team Bachelor's degree in computer science or related field, or equivalent training and experience. 4+ years engineering experience with large-scale applications. Ability to apply complex principles, theories and concepts of the technical discipline and provide solutions to a wide range of complex tasks, - projects and problems Advanced knowledge and … proficiency with source control systems, preferably git Experience using and configuring continuous integration tools (Hudson, Jenkins, etc.) Proficient with Java based build systems and related tools (Maven, Nexus, etc.) Expertise developing in Java language Expert with scripting languages (python, perl, groovy etc.) Strong desire to automate build, test, deployment, and related activities Ability to participate in on-call More ❯

Java Engineer 📍 Location: London (Hybrid) 💷 Salary: Up to £160,000 + Bonus + Comprehensive Benefits 🔍 The Role A top-tier FinTech innovator is seeking a skilled Java Engineer to help drive the evolution of their next-generation, low-latency trading platform. This is your opportunity to work at the forefront of real-time financial technology, building performance-critical … systems in a collaborative, agile environment. You'll work alongside exceptional engineers and industry veterans, tackling complex challenges with Core Java in a business where every millisecond matters. What You’ll Bring 🧩 Deep expertise in Core Java, with a focus on high-performance development 🔄 Strong knowledge of multithreading, concurrency, and throughput optimization 🧼 Passion for writing clean, maintainable, and More ❯

Lead Java SDET - Automation | Agile | Leadership Join an industry leader delivering cloud-based solutions for electronic communications archiving, compliance, supervision, and discovery - trusted by top-tier financial institutions and other regulated sectors worldwide as they look for a Lead Java SDET to join their team. Key Responsibilities: Lead and manage a small team of SDETs, including recruitment and … and maintain scalable automation frameworks Advocate Agile best practices throughout the development lifecycle Provide training sessions on automation tools, frameworks, and testing methodologies Technical Requirements: Strong coding skills in Java Hands-on experience with: Selenium WebDriver for UI automation JMeter for performance testing RESTful APIs testing Agile/Scrum methodologies What You Bring: Proven experience leading/managing small More ❯

Software Engineer - Java & AWS Location: London, UK Contract Duration: 6 months This is a *London* based role with an excellent immediate start within a Global T echnology Client that is working on *support compliance, risk monitoring, and partner onboarding*. The Role Role Overview The client is looking for a Software Engineer with strong Java and AWS experience. … Improve tools and reporting for compliance teams Solve issues quickly and prioritize based on impact Promote best coding practices Skills Required: 3+ years of Back End development experience Strong Java skills (required) Experience with microservices (required) Familiarity with AWS , MySQL, Hadoop, Cassandra Solid testing (unit, integration, end-to-end) Bonus: Experience in compliance, FinTech, or security Please send your More ❯

Distributed Systems/JAVA & Python/Apache Kafka/Outside IR35/Fully Remote/£600 pd/ASAP Start/6 months Distributed Systems Engineers (Hiring for multiple positions) SR2 have partnered with a high impact Digital Transformation Consultancy to assist in the search for multiple Distributed System Engineers to assess suitability of an existing data federation solution … Gov departments to deploy and test the solution. Required Skills and Experience : Apache Kafka: Expert-level understanding including producer/consumer patterns, topic management, and real-time streaming architectures. Java: Strong backend development with Spring Boot or similar frameworks for secure, scalable microservices. Python: Experience in scripting, automation, and handling data pipelines. Highly desirable : Experience delivering federated or decentralised … and we will be in contact to discuss the client and requirement. Alternatively, feel free to directly email Ben Sheppard ( (url removed) ) for an immediate response. Distributed Systems/JAVA & Python/Apache Kafka/Outside IR35/Fully Remote/£600 pd/ASAP Start/6 months More ❯

Java Software Engineer Grenoble, France CDI, Permanent position €65000 per year - Negotiable 2 days home working per week 5VTech has recently started supporting leading provider of innovative digital solutions for the transportation and logistics industry. The company, based in Grenoble, specializes in creating advanced fleet management systems and telematics solutions that help businesses optimize their operations, improve safety, and … logistics companies to achieve higher levels of efficiency through real-time data analytics, GPS tracking, and compliance tools. They are now searching for a Senior Backend Developer specialising in Java or Jakarta EE to participate in product development and integration of new technologies: Responsibilities include: Assistance in maintaining current platforms Optimizing and evolving existing products Development and maintenance of … API's Key Skills: Strong experience of software development with Java EE or Jakarta EE Experience with Kafka or Cassandra for event streaming Experience with implementing Cloud infrastructure with AWS or Other cloud providers If you feel that you have the right experience for this position, apply to the position or reach out to me directly for a confidential More ❯

I am currently working with a London-based investment bank who are actively seeking a Mid-Level Java Developer to join a long-term platform modernisation and migration project. What you'll need to succeed Extensive hands-on Java Development experience with a focus on migration and transformation projects. Strong investment banking experience - Mandatory. Strong cloud experience, ideally More ❯

We are seeking an experienced Java Developer for a 3-month contract which is fully remote and outside IR35 Skills: - Proficient in Java and other programming languages like Scala or Groovy - Experience with SpringBoot for RESTful web services - Knowledge of AWS cloud architecture and hands-on experience preferred - Ability to design and maintain serverless architectures using Lambda - Strong More ❯

Software Engineer/Developer (C# or Java) Sunderland/WFH to £65k Are you an experienced Software Engineer who enjoys using a range of programming languages, collaborating and learning continuously? You could be progressing your career in a hands-on role within a relaxed, supportive team environment at a tech driven online gaming/low-cost gambling SaaS tech … you will design and develop web applications on a cloud based platform (AWS), collaborating and problem solving with a talented team. The tech stack encompasses C# ASP.Net, MVC, Node.js, Java, REST APIs, Docker, AWS, Terraform, TeamCity and MySQL amongst others, you'll be able to work with a range of tech and pick new things up on the job. … membership at onsite gym; there's also flexibility to work from home two days a week. About you: You have strong backend development skills with C# and/or Java You have experience with AWS You have experience across the full development lifecycle You have a good understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns More ❯

Technical Team Lead - Java/JEE Developer (Senior) Contract Test Triangle Ireland Posted On 24/06/2025 Job Information Technology City Kildare State/Province Kildare R51 Job Description Job Title: Technical Team Lead - Java/JEE Developer (Senior) - Candidates must be willing to work from this location. - Blended offsite/onsite working arrangement . Contract … public holidays observed in the Republic of Ireland. Mandatory Requirements (Pass/Fail): ü Experience Level: The candidate must have more than 7 years of relevant Technical Team Lead - Java/JEE Development experience at a senior level. ü Availability: The candidate must be available to commence work from 3rd November 2025. ü English Language Proficiency: The candidate must … spoken and written English. The following non-exhaustive list of Key Deliverables are applicable to this Role. The role of the Technical Lead will be as per the Senior Java Developer role description. In addition to this, the Technical Lead will provide direction and leadership to the development team towards a common technical vision in the delivery of the More ❯

Insight Global are seeking a Mid-Level Java Developer to join one of our leading financial services clients. This is a contract-to-hire opportunity based in St Paul’s, London, operating on a hybrid work schedule. In this role, you’ll be working on the development and enhancement of a mission-critical FX trading platform used by major … focused on improving swap trading performance, write clean and testable code, and participate in architectural discussions to drive system improvements. The applicant must have the following: • Advanced proficiency in Java • Strong experience in low-latency, high-throughput systems, particularly within FX trading platforms (e.g. LSE, 360T) • Deep understanding of efficient garbage collection, memory management, and object modeling • Unit testing More ❯

Insight Global are seeking a Mid-Level Java Developer to join one of our leading financial services clients. This is a contract-to-hire opportunity based in St Paul’s, London, operating on a hybrid work schedule. In this role, you’ll be working on the development and enhancement of a mission-critical FX trading platform used by major … focused on improving swap trading performance, write clean and testable code, and participate in architectural discussions to drive system improvements. The applicant must have the following: • Advanced proficiency in Java • Strong experience in low-latency, high-throughput systems, particularly within FX trading platforms (e.g. LSE, 360T) • Deep understanding of efficient garbage collection, memory management, and object modeling • Unit testing More ❯

We are seeking a specialist Kotlin Developer with experience working on Big Data projects in a high-performance environment. We're working with banks and other major financial institutions on projects where microseconds count. Essential functions You will build and maintain Kotlin applications in areas of banking and trading that require working with large amounts of … and distributed caching. Build and maintain testing and benchmarking code. Qualifications What we are looking for in a candidate: Proven track record in Big Data projects developing in Kotlin or any other JVM language. Experience with any of the following: Oracle, Kubernetes/Openshift, Redis, Memcached. Experience with Big Data technologies like Hadoop, Cassandra, Hive. We offer Opportunity More ❯