Job Title: Full-Stack Developer Location: Bournemouth (x 5 days in office) Salary/Rate: £410 a day (Inside IR35) Start Date: April 2026 Job Type: Contract - 6 months

Job Overview:

We are seeking an experienced Senior Java / Python Full Stack Developer to design, develop, and maintain scalable enterprise applications at our client who is a leading global investment bank. The successful candidate will play a key role in delivering high-quality solutions using Java, Python, Spring Boot, AWS, and modern frontend technologies.

You will collaborate with cross-functional teams to build robust, high-performance applications while ensuring code quality, scalability, and security across the development lifecycle.

Key Responsibilities

- Develop high-quality software design and architecture using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, Python and MySQL.

- Collaborate with cross-functional teams to define, design, and ship new features.

- Some hands on knowledge on React JS, Redux, HTML5, CSS3

- Some exposure to frontend testing tools like Jest

- Ensure the performance, quality, and responsiveness of applications.

- Identify and correct bottlenecks and fix bugs.

- Maintain code quality, organization, and automation.

- Implement security and data protection measures.

- Conduct software analysis, programming, testing, and debugging.

- Oversee the development of documentation throughout the software development life cycle.

- Provide technical guidance and support to team members.

- Stay up-to-date with emerging technologies and industry trends.

- Optimize applications for maximum speed and scalability.

- Participate in code reviews to maintain high code quality standards.

- Contribute to continuous improvement by investigating alternatives and technologies.

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.

Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement