Senior Java Engineer

Capgemini; Manchester; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

Capgemini’s Financial Services (FS) Business Unit invites a Senior Java Engineer to design and deliver scalable enterprise applications, leveraging Java, Python and microservices within an AI-enabled transformation program. You will work with cross-functional teams to build secure, future-ready solutions.

You will operate in a hybrid model across Capgemini offices, client sites, and your home, collaborating with architects, engineers, and analysts to ensure high-quality delivery and continuous

Qualifications

• Strong software engineering experience delivering enterprise-scale applications.
• Proven experience developing object-oriented and backend application solutions.
• Strong proficiency in Java and Python development.
• Experience designing and implementing microservices-based architectures.
• Strong understanding of APIs and service-oriented design.
• Expertise in database design, data modelling and performance tuning.
• Experience in Agile delivery environments.
• Analytical and problem-solving skills to translate requirements into solutions.
• Experience integrating AI-driven capabilities into business apps.
• Knowledge of Generative AI concepts (LLMs, RAG, prompt engineering).

Responsibilities

• Design, develop, and enhance scalable enterprise applications.
• Translate business requirements into robust software solutions.
• Build integrated services and components to improve efficiency and performance.
• Contribute to AI-enabled capabilities and intelligent automation.
• Collaborate with architects, engineers, analysts, and stakeholders.
• Ensure security, resilience, and alignment with best practices.
• Participate in code reviews, testing, and continuous improvement.
• Troubleshoot complex issues and optimise solutions.
• Support modern delivery practices for reliable releases.
• Foster continuous learning and knowledge sharing.

Skills

Java

Python

Microservices

APIs

OO design

DB design

Agile

AI capabilities

Generative AI

Communication

Continuous learning

Job description

About the Job you are considering:

Join the Financial Services (FS) Business Unit within Capgemini’s Cloud & Custom Applications (C&CA) practice as a Software Engineer, helping clients solve complex business challenges through modern, scalable digital solutions. Aligned to our vision of Consult with Purpose. Continuously Evolve. Architect Tomorrow., you will play a key role in delivering high-quality applications, enabling intelligent automation, and supporting AI-driven transformation. Working within collaborative, multidisciplinary teams, you will contribute to building innovative, secure, and future-ready solutions while continuously developing your expertise and helping shape a workforce that is increasingly AI-fluent and customer-focused.

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.

Job Title: Senior Java Engineer

Location: Manchester

About the Job you are considering:

Join the Financial Services (FS) Business Unit within Capgemini’s Cloud & Custom Applications (C&CA) practice as a Software Engineer, helping clients solve complex business challenges through modern, scalable digital solutions. Aligned to our vision of Consult with Purpose. Continuously Evolve. Architect Tomorrow., you will play a key role in delivering high-quality applications, enabling intelligent automation, and supporting AI-driven transformation. Working within collaborative, multidisciplinary teams, you will contribute to building innovative, secure, and future-ready solutions while continuously developing your expertise and helping shape a workforce that is increasingly AI-fluent and customer-focused.

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.

Key Responsibilities:

• Design, develop, and enhance scalable enterprise applications that deliver measurable business outcomes.
• Translate business and user requirements into robust, maintainable, and high-quality software solutions.
• Build integrated services and application components that improve efficiency, user experience, and operational performance.
• Contribute to the adoption of AI-enabled capabilities and intelligent automation within business solutions.
• Collaborate effectively with architects, engineers, analysts, and stakeholders to deliver successful project outcomes.
• Ensure applications are secure, resilient, scalable, and aligned with engineering best practices.
• Participate in code reviews, testing activities, and continuous improvement initiatives to maintain high delivery standards.
• Troubleshoot complex technical issues and identify opportunities for optimisation and innovation.
• Support modern delivery practices that enable reliable, repeatable, and efficient software releases.
• Foster a culture of continuous learning, knowledge sharing, and future-ready capability development.

Required Skill:

• Strong software engineering experience delivering enterprise-scale applications.
• Proven experience developing object-oriented and backend application solutions.
• Strong proficiency in Java and Python development.
• Experience designing and implementing microservices-based architectures.
• Strong understanding of application integration patterns, APIs, and service-oriented design.
• Expertise in database design, data modelling, query optimisation, and performance tuning.
• Experience working across the full software development lifecycle in Agile delivery
• environments.
• Strong analytical and problem-solving skills with the ability to translate business requirements into technical solutions.
• Experience building and integrating AI-driven capabilities into business applications.
• Knowledge of Generative AI concepts including Large Language Models (LLMs), Retrieval-
  Augmented Generation (RAG), prompt engineering, AI agents, and model integration patterns.
• Excellent communication, collaboration, and stakeholder engagement skills.
• Commitment to continuous learning and adoption of emerging technologies and AI capabilities.

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