Senior Java developer
| Posting date: | 16 July 2025 |
|---|---|
| Hours: | Full time |
| Closing date: | 15 August 2025 |
| Location: | LH_2-1-175 |
| Remote working: | On-site only |
| Company: | Capita plc |
| Job type: | Permanent |
| Job reference: | 10112315-42284 |
Summary
Capita is on the lookout for a skilled Java Developer to help shape a cutting-edge business scheduling solution built on data-driven optimisation. You'll collaborate across disciplines to deliver innovative outcomes that maximise business value through robust algorithmic design.
In this dynamic and hands-on role, you'll work as part of a cross-functional team including Data Architects, Service Designers, Rapid Prototype Engineers, Developers, and Testers. You'll be directly involved in shaping the design, build, and testing of a sophisticated scheduling engine.
What you'll be doing:
This hands-on role will involve:
• Supporting the development and implementation of a solution incorporating mathematical optimisation
• Translating customer needs into structured data for use in an optimisation engine - from definition and implementation to testing and documentation
• Collaborating with Business Analysts to understand client requirements
• Working alongside service designers and optimisation specialists to shape the solution
• Building an initial prototype and minimum viable product
• Delivering associated tasks including the full testing cycle and documentation
• Carrying out other tasks as required to meet client needs
• Proactively identifying and addressing inefficiencies within scope, championing
What we're looking for:
Essential:
• This role requires eligibility for Security Clearance. Applicants must have been resident in the UK for the past five years.
• Strong coding experience in Java (essential)
• Practical experience building solutions to real-world optimisation problems using tools such as Cplex, Gurobi, or Xpress
• Solid understanding and practical experience of Agile methodologies (essential)
• Experience in evaluating and tuning performance of data extraction and manipulation functionality
• Experience of linear programming and mixed integer programming
• Familiarity with algorithmics beyond mathematical programming, such as graph algorithms, approximation algorithms, heuristics, constraint programming, and dynamic programming
• Understanding of parallel processing and hardware implementation aspects of mathematical algorithms
• Experience in performance tuning of optimisation solutions
• A background in Government or Secure Services, or experience on similar projects, is desirable but not essential. However, experience working with data in highly secure and regulated environments is critical.
About Capita
Capita is an outsourcer, helping clients across the public and private sectors run complex business processes more efficiently, creating better consumer experiences.
Operating across 8 countries, Capita's 36,000 colleagues support primarily UK and European clients with people-based services underpinned by market-leading technology.
We're a vital support service for our clients, enabling the everyday interactions that we expect to run seamlessly, to run seamlessly.
We're embracing change to respond to the ever-changing needs of society, creating better outcomes for all our stakeholders.
What's in it for you?
• 23 days' holiday (rising to 27 ) with the opportunity to buy extra leave
• company matched pension, life assurance, 15 weeks' fully paid maternity, adoption and shared parental leave, paternity pay of two weeks...and plenty more
• the opportunity to take a paid day out of the office - volunteering for our charity partners or a cause of your choice
• access to our Employee Network Groups, which represent every strand of diversity and allow colleagues to connect and learn from each other on an open, inclusive platform
• opportunity to gain additional qualifications through our Learning Academy or apprenticeships to help develop your career
What we hope you'll do next:
Choose 'Apply now' to fill out our short application, so that we can find out more about you.
We welcome applications from women and other underrepresented groups as part of our commitment to building a diverse and inclusive workforce.
We're an equal opportunity and Disability Confident employer, which means we recruit and develop people based on their merit and passion. We're committed to providing an inclusive, barrier-free recruitment process and working environment for everyone. If you need the job description or application form in an alternative format (such as large print or audio), or if you'd like to discuss other changes or support you might need going forward, please email reasonableadjustments@capita.com and we'll get back to you. For more information about equal opportunities and process adjustments, please visit the Capita Careers website.
Proud member of the Disability Confident employer scheme