12 java developer jobs found

Key Responsibilities: Maintain and enhance legacy UIs developed with extJS . Develop new UI features using React.js for modernised components. Write and maintain scalable backend code using Java (Spring preferred). Work with Oracle SQL for queries, stored procedures, and data analysis. Collaborate closely with technical leads, QA, and stakeholders to deliver reliable solutions. Ensure code quality, performance, and compliance with enterprise standards. Required Skills: Strong hands-on experience with Java development. Practical knowledge of extJS (legacy UI support). Proficient in React.js for newer screen development. Solid SQL expertise with Oracle (writing complex queries, debugging, data extraction). Experience working in a fast-paced, fully onsite delivery team. Excellent communication and problem-solving skills. Job Type: Freelance Pay: £450.00-£500.00 per day Experience: Java: 7 years (required) React: 5 years (required) Oracle: 6...

Key Responsibilities: Maintain and enhance legacy UIs developed with extJS . Develop new UI features using React.js for modernised components. Write and maintain scalable backend code using Java (Spring preferred). Work with Oracle SQL for queries, stored procedures, and data analysis. Collaborate closely with technical leads, QA, and stakeholders to deliver reliable solutions. Ensure code quality, performance, and compliance with enterprise standards. Required Skills: Strong hands-on experience with Java development. Practical knowledge of extJS (legacy UI support). Proficient in React.js for newer screen development. Solid SQL expertise with Oracle (writing complex queries, debugging, data extraction). Experience working in a fast-paced, fully onsite delivery team. Excellent communication and problem-solving skills. Job Type: Freelance Pay: £450.00-£500.00 per day Experience: Java: 7 years (required) React: 5 years (required) Oracle: 6...

Key Responsibilities: Maintain and enhance legacy UIs developed with extJS . Develop new UI features using React.js for modernised components. Write and maintain scalable backend code using Java (Spring preferred). Work with Oracle SQL for queries, stored procedures, and data analysis. Collaborate closely with technical leads, QA, and stakeholders to deliver reliable solutions. Ensure code quality, performance, and compliance with enterprise standards. Required Skills: Strong hands-on experience with Java development. Practical knowledge of extJS (legacy UI support). Proficient in React.js for newer screen development. Solid SQL expertise with Oracle (writing complex queries, debugging, data extraction). Experience working in a fast-paced, fully onsite delivery team. Excellent communication and problem-solving skills. Job Type: Freelance Pay: £450.00-£500.00 per day Experience: Java: 7 years (required) React: 5 years (required) Oracle: 6...

Key Responsibilities: Maintain and enhance legacy UIs developed with extJS . Develop new UI features using React.js for modernised components. Write and maintain scalable backend code using Java (Spring preferred). Work with Oracle SQL for queries, stored procedures, and data analysis. Collaborate closely with technical leads, QA, and stakeholders to deliver reliable solutions. Ensure code quality, performance, and compliance with enterprise standards. Required Skills: Strong hands-on experience with Java development. Practical knowledge of extJS (legacy UI support). Proficient in React.js for newer screen development. Solid SQL expertise with Oracle (writing complex queries, debugging, data extraction). Experience working in a fast-paced, fully onsite delivery team. Excellent communication and problem-solving skills. Job Type: Freelance Pay: £450.00-£500.00 per day Experience: Java: 7 years (required) React: 5 years (required) Oracle: 6...

We are looking for Senior Java Developers to join on a contract basis (Inside IR35) . The ideal candidate will have experience building scalable microservices, working with event-driven systems, and deploying applications using containerized and cloud technologies. You will contribute to developing reliable backend services and help modernize legacy systems into cloud-ready architectures. Key Skills & Responsibilities Strong experience with Java (latest versions) and Spring Boot Experience designing and developing Microservices architectures Solid understanding of backend design patterns and best practices Experience working with SQL databases, particularly PostgreSQL Knowledge of Object-Oriented programming principles (OCP) Experience with event streaming platforms such as Kafka or RabbitMQ Hands-on experience with Docker and Kubernetes Experience working with AWS or other cloud platforms Ability to build scalable, reliable, and...

Location: The role is based remotely with occasional travel to London.   Daily rate: £400 outside IR35   Duration: Initial 6 months   ***please note***: must have active SC clearance   The Back End Developer will have the following responsibilities:   Design, develop, and maintain Back End systems and services using Java. Collaborate with Front End developers and other cross-functional teams to deliver seamless and scalable solutions. Write clean, maintainable, and well-tested code following industry best practices and web standards. Troubleshoot and resolve complex technical issues related to Back End systems. Participate in code reviews and contribute to the continuous improvement of development processes. Ensure high-performance and reliability of Back End services through proper architecture and testing. Leverage Azure services to optimize cloud-based solutions (if applicable)....

GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include:...

Who are we: In 2019, our founders were working as engineers  solving complex cross domain problems within government organisations TwinStream was formed to consolidate their collective expertise and experience into one business, providing technical excellence and exceptional service to their clients. We have teams working both on-site with clients and remotely from home.   Day Rate: £500 - £650 Location: Hybrid working in Cheltenham (3-4 days) with possible 24/7 call out when on rota   Security Clearance: Must have live DV Clearance      About the role:   Our cross-domain services are used in high-profile government organisations. The demand for these services continues to grow in both scope and scale. We are seeking an experienced Site Reliability Engineer to help satisfy that demand. As an SRE you will be responsible for ensuring the availability, performance and cost effectiveness...

GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects....

GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include: •...

Senior Backend Engineer - Contractor (Outside of IR35) Senior Software Engineer – Java (Contract - Outside of IR35) Duration: 3 Months Plus Start Date: ASAP Day Rate: £400 - 500 per day   As a  Senior Software Engineer (Java) – Contractor  at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required. Key Responsibilities: Design and develop scalable backend systems...

GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include: •...