Contract kotlin,java Jobs in the UK

1 to 25 of 184 Contract kotlin,java Jobs in the UK

SIP/Dev ops Engineer

East Sussex, England, United Kingdom
Salt Search
with Oracle and AudioCodes SBCs, ARM/ECB, and backend management tools Familiarity with DevOps tools , Agile delivery, and automation practices Proficiency in Python , JavaScript , HTML/CSS , or Java/Kotlin Working knowledge of networking (routers, switches, firewalls, SASE) - Network+ or CCNA a plus Cloud certification (AWS, Azure or GCP preferred) Experience in writing detailed documentation More ❯
Employment Type: Contractor
Rate: £335 - £340 per day
Posted:

VOIP/SIP Network Engineer

East Sussex, England, United Kingdom
Salt Search
knowledge of Session Initiation Protocol (SIP) and SBC technologies Hands-on experience with SBCs, ARM/ECB, and backend management tools Proficiency in Python , JavaScript , HTML/CSS , or Java/Kotlin Working knowledge of networking (routers, switches, firewalls, SASE) - Network+ or CCNA a plus Experience in writing detailed documentation and collaborating across technical teams Self-starter More ❯
Employment Type: Contractor
Rate: £280 - £290 per day
Posted:

Fullstack Engineer Financial Services

London, South East, England, United Kingdom
Become
leading Tier 1 financial institution. You'll play a key role in enhancing and scaling their digital banking platform. Key Responsibilities Design, build, and maintain robust, scalable applications using Java, Spring Boot, and Angular or React. Collaborate with cross-functional teams to deliver seamless end-to-end features, from user interfaces to backend services and database integration. Develop and … performance, testing, and security. Participate actively in Agile ceremonies, code reviews, and continuous improvement efforts. Frontend: Angular (preferred), React, TypeScript, HTML5, CSS3, SASS RxJS, NgRx, Jasmine, Karma, Cypress Backend: Java (17+), Spring Boot REST APIs, JSON, OAuth 2.0 DevOps & Cloud: Azure (preferred), AWS (beneficial) Docker, Kubernetes, Terraform CI/CD with GitHub Actions, Azure DevOps Databases & Messaging: PostgreSQL, Oracle … MongoDB (optional) Kafka, Redis (for messaging and caching) Requirements Extensive experience in full-stack development with strong expertise in Java and Angular. Solid understanding of REST API design, microservices architecture, and cloud-native development. Hands-on experience with CI/CD pipelines, containerization, and infrastructure as code. Strong grasp of Agile methodologies and collaborative team-based development. Excellent problem More ❯
Employment Type: Contractor
Rate: £450 - £500 per day
Posted:

Java Developer Contract - Active SC And AI experience Needed

United Kingdom
Stealth IT Consulting
Our client are a top tier consultancy looking for x2 Java Developers with AI experience on a 6 months contract. Key responsibilities: Work with architects and data scientists to scope AI features, define API contracts, and select appropriate ML services (on-prem & cloud). Java development Build/refactor micro-services (Spring Boot) that consume AI models, expose … sprint ceremonies, peer reviews, and regular show-and-tells with stakeholders. Essential skills & experience Active SC clearance (you must hold valid clearance at contract start). 5+ years' commercial Java 11+ development (Spring Boot/Spring Cloud). Hands-on AI/ML integration experience: deploying or calling models (TensorFlow, PyTorch, Scikit-learn, SageMaker, Vertex AI, Azure ML). More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Software Engineer

Sheffield, South Yorkshire, United Kingdom
Hybrid / WFH Options
Experis
Ansible etc.). Experience of working with Continuous Integration (CI), Continuous Delivery (CD) and continuous testing tools. Experience working within an Agile environment. Programming experience in following languages: Python, Java, GoLang. Ability to quickly acquire new skills and tools. Good non-functional testing experience. Desirable Skills Experience working in financial services or other regulated environments. AWS/GCP certifications More ❯
Employment Type: Contract
Rate: £395 - £430/day
Posted:

Senior Java Developer

Bromley, Kent, England, United Kingdom
Hybrid / WFH Options
Pontoon
Job Title: Senior Java Developer Day Rate: Via Umbrella Length of Contract: 6 months (huge potential for extension) Location: Bromley Hybrid (3 days onsite) About client: One of the largest financial institutions in the U.S., it serves millions across consumer banking, investment, and wealth management. Headquartered in North Carolina, it plays a pivotal role in global finance. Role Overview … We are seeking an experienced Senior Java Developer with a strong background in the banking and financial services sector, particularly in corporate and commercial payments/deposits. The ideal candidate will play a key role in designing, developing and supporting robust, scalable applications, working within Agile delivery teams. Responsibilities: * Design, develop and maintain Java-based applications using the … required* Work both independently and collaboratively within Agile teams* Produce clear, well-documented code and technical documentation* Communicate effectively with stakeholders at all levels Skills & Responsibilities: * Strong proficiency in Java development, with experience spanning Java 11+ through to the latest versions (Java 24)* Solid experience with Spring Boot and microservices architecture* Hands-on experience with OpenShift or More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Java Microservices Developer

Cardiff, South Glamorgan, Wales, United Kingdom
Stott & May Professional Search Limited
Java Microservices Developer Start: ASAP Duration: 6-12 months Rate: inside IR35, up to £475/day Location: on site in Cardiff 3 days per week We are seeking a skilled Java Microservices Developer to join a strategic transformation programme within the financial services industry. You'll play a key role in building scalable microservices solutions, shaping the … is an exciting opportunity to contribute to high-impact work within a fast-paced, agile team, collaborating across technical and business teams. Key Responsibilities: - Develop scalable, maintainable microservices using Java and Spring Boot - Collaborate with engineers, product managers, and stakeholders - Implement CI/CD pipelines and automate deployment workflows - Ensure code quality through testing, reviews, and best practices - Work … within agile frameworks such as Scrum or Kanban Essential Skills & Experience: - Strong Java development background with Spring Boot and Spring Cloud - Solid understanding of microservices architecture and API design - Experience with AWS, Azure, or Google Cloud - Familiarity with MySQL, PostgreSQL, or MongoDB - Proficiency in unit and integration testing - Excellent communication and problem-solving skills - Comfortable in client-facing and More ❯
Employment Type: Contract
Rate: £450 - £475 per day
Posted:

Java Microservices Developer

Cardiff
LA International Computer Consultants Ltd
Java Microservices Developer 6 Month contract initially Based: Remote/Cardiff - Hybrid. Max 3 days p/w onsite. Rate: £450 - £500 p/d (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really … make a difference. We a great opportunity for a number of Java Microservices Developers to join the team! We are seeking a number of talented Java Microservies developers to join our team for a new strategic transformation program of work. You will Design, Develop, and Maintain Microservices: * Creating and implementing microservices with Java. * Ensuring microservices are scalable, reliable … Automating testing and deployment processes to improve efficiency and reliability. Code Quality and Best Practices: * Writing clean, well-documented, and maintainable code. * Following coding standards and best practices for Java development. Participating in code reviews and providing constructive feedback to team members Key Skills & Experience: Programming: * Proficiency in Java and related technologies like Spring Boot. * Understanding of microservices More ❯
Employment Type: Contract
Rate: £450 - £500
Posted:

Java Microservices Developer

Cardiff, South Glamorgan, Wales, United Kingdom
Hybrid / WFH Options
LA International Computer Consultants Ltd
Java Microservices Developer 6 Month contract initially Based: Remote/Cardiff - Hybrid. Max 3 days p/w onsite. Rate: £450 - £500 p/d (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really … make a difference. We a great opportunity for a number of Java Microservices Developers to join the team! We are seeking a number of talented Java Microservies developers to join our team for a new strategic transformation program of work. You will Design, Develop, and Maintain Microservices: * Creating and implementing microservices with Java. * Ensuring microservices are scalable, reliable … Automating testing and deployment processes to improve efficiency and reliability. Code Quality and Best Practices: * Writing clean, well-documented, and maintainable code. * Following coding standards and best practices for Java development. Participating in code reviews and providing constructive feedback to team members Key Skills & Experience: Programming: * Proficiency in Java and related technologies like Spring Boot. * Understanding of microservices More ❯
Employment Type: Contract, Work From Home
Rate: £450 - £500 per day
Posted:

Java Full Stack Developer

Northampton, Northamptonshire, England, United Kingdom
Eames Consulting
Java Full Stack Developer - Northampton/Hybrid - £200 - £240 Per Day Inside IR35 Eames Consulting is working with a Banking company to secure the services of a Java Full Stack Developer on an initial 3 month contract basis to begin with. Essential Skills: Strong front-end technology skills using HTML, CSS, JavaScript, React JS, Redux, Node, test framework … e.g., Jest) Strong experience with back-end technology: Java, SpringBoot, JPA, Hibernate, Junit, Mockito, microservices Experience with SQL (MS SQL preferred), cloud technology and messaging tools. Experience with standard DevOps tools: Jira, Bitbucket, Nexus, Confluence, SonarQube, Veracode, GitLab, Maven, NPM, etc. Experience with test driven development and CI/CD, including exposure to automated testing platforms (e.g., Cucumber, Selenium More ❯
Employment Type: Contractor
Rate: £200 - £240 per day
Posted:

Java Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Lorien
Java Developer Hybrid Working - Edinburgh or London High Street Banking Lorien's leading banking client is looking for an experienced Java Developer with strong experience in Java17, Spring Boot and Hibernate to join the expanding team on an initial 6month contract. This role is based in Edinburgh or London. This role will be Inside IR35 Via Umbrella Working … in a Hybrid Model of 2 days a week on site . Key Skills and Experiences Extensive hands-on experience with Java 17 + Proficiency working with applications based on microservices architecture. Spring boot and Hibernate Experience with Apache Kafka Strong knowledge with Relational and Non-Relational Databases Hands on experience working with event driven architecture and real time More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Java Developer

Portsmouth, Hampshire, South East, United Kingdom
Yolk Recruitment
MERITUS Talent are working with one the most well known aerospace conglomerates globally, for the recruitment of a Java Developer to join their Defence & Space team into their Portsmouth office. The role is for an initial 6-12 month assignment, paying £55 per hour via umbrella, and ideally looking for the right person to hold an active SC clearance. … Contract Java Developer - Microservices/Agile £55 per hour (Inside IR35) 6 months+ | Portsmouth A leading organisation in the aerospace and space systems sector is looking for an experienced Java Developer to join a 7-person Scrum team. The project involves building management systems for a new satellite programme. You'll be contributing across the full software development … architectural design (UML) Support CI/CD processes and automated testing frameworks Write clean, maintainable, and well-documented code Work closely with internal and external stakeholders Essential Skills & Experience Java (version 8+) Spring Boot and Spring Framework (inc. Hibernate) RESTful APIs over HTTPS Microservices and distributed systems Agile development (Scrum) CI/CD pipelines Git and Jira (or similar More ❯
Employment Type: Contract
Rate: £50 - £55 per hour + INSIDE IR35
Posted:

Java Engineer

Glasgow, Lanarkshire, Scotland, United Kingdom
Hays Specialist Recruitment Limited
and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) UI Technology - React or Angular, TypeScript, CSS, Micro Frontend Development, and JavaScript Backend Technology - Java/Spring, Kafka, NoSQL (MongoDB, Cassandra) The following skills and experience are desirable for this role: Exposure to cloud technologies Experience in architecture and design of microservices Learn new More ❯
Employment Type: Contractor
Rate: £500 - £600 per day
Posted:

Java Engineer

Glasgow, City of Glasgow, United Kingdom
Hays Technology
and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) UI Technology - React or Angular, TypeScript, CSS, Micro Frontend Development, and JavaScript Backend Technology - Java/Spring, Kafka, NoSQL (MongoDB, Cassandra) The following skills and experience are desirable for this role: Exposure to cloud technologies Experience in architecture and design of microservices Learn new More ❯
Employment Type: Contract
Rate: £500 - £600/day
Posted:

DevOps Engineer - Active SC Clearance, Cloud, Kubernetes

London, United Kingdom
HAYS
Perl, Python or Go. Familiar with Agile ways of working. Strong communication skills Nice to have: Working knowledge of Kafka/Docker/Jenkins/Postgres/Liquibase/Java NPPV3 Clearance If interested, with relevant experience, please apply with your latest CV ASAP. # More ❯
Employment Type: Contract
Rate: GBP 550 Daily
Posted:

Software Engineer

Fareham, Hampshire, South East, United Kingdom
Copello
to work effectively in a team and adhere to process within a software development environment Knowledge of configuration management tools (e.g. Subversion, Git) DesirableSkills Experience in developing software in Java Agile development methodologies (e.g. Scrum, SAFe) Linux operating systems and scripting languages (e.g. Python) Infrastructure as code and container technologies (e.g. Puppet, Docker) COTS integration technologies (e.g. Apache Camel More ❯
Employment Type: Contract
Posted:

Lead Java Microservices AWS Developer Contract Hybrid (London)

London, United Kingdom
Hybrid / WFH Options
Queen Square Recruitment Limited
Lead Java Microservices AWS Developer Contract Hybrid (London) Job Title: Lead Java Microservices AWS Developer Location: London (Hybrid 2 days/week onsite) Contract Length: 6 Months (Inside IR35) Rate: £400£500/day Start Date: ASAP Mode: Contract Hybrid About the Role We are looking for an experienced Lead Java Microservices Developer with expertise in AWS … closely with cross-functional teams, mentor junior developers, and take ownership of features from inception through to production. Key Responsibilities Lead the design and development of web applications using Java and AWS serverless services. Integrate AWS services like Lambda, S3, ECS Fargate, DynamoDB, SQS, and more. Implement secure, reusable code using modern frameworks and cloud patterns. Own the full … strategies using AWS DevOps tools. Monitor application performance and optimize backend services. Guide and review code quality across the team. Skills and Experience Required 10+ years of experience in Java development. Strong knowledge of Java 11+, Spring, and AWS serverless architecture. Hands-on with services such as Lambda, DynamoDB, SQS, ECS Fargate, API Gateway, and CloudFormation. Proficiency in More ❯
Employment Type: Contract
Rate: From £400 to £500 per day
Posted:

Platform Engineering Lead

Bromley, Greater London, Bromley Town, United Kingdom
Ascendion
and reliability. 7+ years’ experience overseeing enterprise-grade platform solutions Experience in a highly Agile continuous integration and continuous deployment environment, preferably within a financial domain. Strong experience in Java/J2EE, Spring Boot, Mule, web Services, Kafka, SQL & PL/SQL (Oracle) Strong knowledge of XML, JSON and its usage within API and Microservice implementations at scale. Significant More ❯
Employment Type: Permanent, Contract
Posted:

Platform Engineer - DevOps Specialist

Knutsford, Cheshire, United Kingdom
Square One Resources
management 3. Would require to deployments and release of application and infra in production by following run books 4. Must be good with CI/CD pipeline support, DevOps & Java 5. Should be available for on-call support on rotational basis 6. Need to be proactive. 7. Excellent communication & stakeholder management If you are interested in this opportunity, please More ❯
Employment Type: Contract
Rate: £305 - £440/day
Posted:

DevOps Engineer - MOR3JP00011950

Glasgow, Lanarkshire, Scotland, United Kingdom
Hybrid / WFH Options
Robert Walters
ensuring compliance with organisational standards. What you bring: * Demonstrable hands-on experience in developing robust solutions using Python within intricate technical settings.* Familiarity with supplementary programming languages such as Java, C#, or Typescript would be advantageous for cross-functional collaboration.* Comprehensive understanding of SDLC tooling including source control management systems (e.g., Bitbucket, Github), code review platforms, issue tracking tools More ❯
Employment Type: Contractor
Rate: £484 - £550 per day
Posted:

MuleSoft Application Architect

United Kingdom
LA International Computer Consultants Ltd
of API policies, error handling, and transaction scopes. Apache Camel * In-depth experience with Camel routes, processors, components, and integration with external systems. * Expertise in EIPs and transformations using Java/DSL/XML-based configurations. RabbitMQ * Solid understanding of AMQP protocols, exchanges (direct, topic, fanout), queues, bindings, and acknowledgments. * Experience with mirrored queues, cluster setup, backup and disaster More ❯
Employment Type: Contract
Rate: £60 - £65 per hour + negotiable
Posted:

MuleSoft Application Architect

England, Abbots Langley, Hertfordshire
LA International Computer Consultants Ltd
of API policies, error handling, and transaction scopes. Apache Camel * In-depth experience with Camel routes, processors, components, and integration with external systems. * Expertise in EIPs and transformations using Java/DSL/XML-based configurations. RabbitMQ * Solid understanding of AMQP protocols, exchanges (direct, topic, fanout), queues, bindings, and acknowledgments. * Experience with mirrored queues, cluster setup, backup and disaster More ❯
Employment Type: Contract
Rate: £60 - £65
Posted:

Technical Lead

Longbridge, Warwickshire, United Kingdom
Hybrid / WFH Options
Kerv Digital
In-depth experience in rock-solid Object Oriented programming, enterprise integration skills and microservice architecture skills. Extensive experience utilising multiple technologies to support the architectural design and team (e.g. Java, .Net, Node.js, C#, React, Angular, Spring, Kubernetes & Docker and Mobile experience) Love clean code, love helping others achieve it A good understanding of WCAG 2.2 would be preferable Excellent More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Technical Lead

Longbridge, City and Borough of Birmingham, West Midlands (County), United Kingdom
Hybrid / WFH Options
Kerv Digital
In-depth experience in rock-solid Object Oriented programming, enterprise integration skills and microservice architecture skills. Extensive experience utilising multiple technologies to support the architectural design and team (e.g. Java, .Net, Node.js, C#, React, Angular, Spring, Kubernetes & Docker and Mobile experience) Love clean code, love helping others achieve it A good understanding of WCAG 2.2 would be preferable Excellent More ❯
Employment Type: Contract
Posted:

Java Software Engineer - Remote - 6 months - Must Have AI Experience F

United Kingdom
Hybrid / WFH Options
Stealth IT Consulting Limited
Months Start Date: ASAP Location: Remote Clearance Required: BPSS Must Have Government Experience Must Have AI deployment experience Key Responsibilities Design, develop, and maintain robust Back End services using Java and Node.js Collaborate with cross-functional teams including DevOps, QA, UX, and product owners Write clean, maintainable, and testable code following best practices Participate in code reviews and agile … secure, and meet accessibility standards Debug and resolve technical issues across development and production environments Contribute to architectural discussions and technical documentation Essential Skills & Experience Strong commercial experience in Java (8+) and Node.js Experience working in agile, multidisciplinary teams in a government or large enterprise environment Proficiency in RESTful API development and integration Experience with CI/CD pipelines More ❯
Employment Type: Contract
Rate: £538 per day 538 Inside IR35
Posted: