Sr Java programmer - London

London

Sr Java programmer - London

Job Title: Sr Java programmer – London

About the Job you are considering:

As a senior “Java developer” the successful candidate will be expected to perform the following duties with a high level of competence.

The FX eRisk IT team has formed in London to design and implement new components specifically targeted at achieving a greater share of the FX market A number of key programmes are already underway These are focussed on reducing latency in trader position management improving the quality of customer pricing and enhancing algorithmic trading capabilities

Within FX eRisk IT there are a number of applications which are responsible for managing liquidity generating client prices handling and executing orders both internally and externally using algorithmic execution where applicable These distributed systems are all highly reliable some of which are directly client facing.

The successful candidate will work with other team members to design develop test and release these systems The candidate will also have the opportunity to work across the pricing and algorithmic execution stack to deliver cutting edge initiatives.

Experience working on low latency distribution pricing and algorithmic trading components is essential as is a proven track record of agile delivery of Business requirements

Hybrid working:

The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.

Your Role:

Liaise with nominated business stakeholders when required to ensure that business requirements are fully understood before commencing design and development

Draw up detailed technical designs for components in response to business requirements and high-level technical architecture

Work effectively with any external consultancies engaged during the project to provide technical and graphical design expertise

Implement best-of-breed technical solutions based on agreed technical design adopting industry standard development patterns and methodologies including continuous integration and automated unit and integration testing

Fully test implemented solutions in advance of User Acceptance Testing

Assist when required with the deployment of components to development and test environments

Participate in intraday and overnight Support rotas when required

Your Skills:

Solid Java server-side development experience is essential the candidate must be able to demonstrate knowledge of multithreaded development

Demonstrable experience with highly available multithreaded distributed systems is essential

Demonstrable experience with developing and tuning low latency systems

Demonstrable experience of FX spot or Equities algo execution and pricing

Front Office development team in Large Investment Bank supporting global trading desk

A background of solid architectural work

Knowledge of Enterprise Integration and messaging technologies 29 West Multicast

Knowledge of the FIX protocol

Familiarity with time series databases KDB

Knowledge of lock free algorithms low latency tuning and threading.

Additional Skills :+ Excellent problem solving and analytical skills

• Excellent communication and interpersonal skills

• The ability to work comfortably both within a team and independently as required and be a self-starter.

• A flexible approach to delivery responsibility

We are a Disability Confident Employer:

Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government’s Disability Confident scheme.As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:

Declare they have a disability, and

Meet the minimum essential criteria for the role. Please opt in during the application process.

Make It Real (what does it mean for you):

You’d be joining an accredited Great Place to work for Wellbeing in 2024. Employee wellbeing is vitally important to us as an organisation. We see a healthy and happy workforce a critical component for us to achieve our organisational ambitions.

To help support wellbeing we have trained ‘Mental Health Champions’ across each of our business areas, and we have invested in wellbeing apps such as Thrive and Peppy.

You will be empowered to explore, innovate, and progress. You will benefit from Capgemini’s ‘learning for life’ mindset, meaning you will have countless training and development opportunities from thinktanks to hackathons, and access to 250,000 courses with numerous external certifications from AWS, Microsoft, Harvard Manage Mentor, Cybersecurity qualifications and much more.

You will be joining one of the World’s Most Ethical Companies®, as recognised by Ethisphere® for 13 consecutive years. We live our values by making ethical business choices every day. Working ethically is at the centre of our culture at Capgemini, meaning you will be helping to create a future we can all be proud of.

Why you should consider Capgemini:

Growing clients’ businesses while building a more sustainable, more inclusive future is a tough ask. When you join Capgemini, you’ll join a thriving company and become part of a collective of free-thinkers, entrepreneurs and industry experts. We find new ways technology can help us reimagine what’s possible. It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future. By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.

About Capgemini:

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion.

Make it real \| www.capgemini.com

Ref. code

435518-en_GB

Posted on

13 Mar 2026

Experience level

Experienced Professionals

Contract type

Permanent

Location

London

Business unit

FS

Brand

Capgemini

Professional communities

Software Engineering