Job Role: FullStack Solution Architect

Location: London, UK

About the Job you are considering:

We are seeking experienced FullStack Solution Architect with strong expertise in Banking domain who will overseeing the planning, execution, and successful delivery of projects

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:
We are seeking a highly skilled and experienced Senior Full Stack Solution Lead with strong expertise in modern UI frameworks and solid backend development skills to join our Experience Design & Engineering Capability Unit. In this role, you will lead the development of innovative web and mobile applications, ensuring high performance, scalability, and maintainability. You will play a key role in developing scalable, secure, and user-centric web applications, combining strong front-end skills with back-end integration expertise. You will collaborate with designers, architects, and product owners to create high-performance solutions for enterprise clients. You will act as a trusted advisor and technology leader, responsible for designing and delivering scalable, secure, and future-proof digital solutions for clients across banking, insurance, wealth, and capital markets. This role requires Front End Experience Design & Full Stack Engineering skills and combines deep FSI industry knowledge with hands-on experience in designing complex enterprise and customer-facing solutions—leveraging cloud platforms, APIs, microservices, data, and emerging GenAI & Agentic AI technologies. You’ll play a leading role in pre-sales initiatives, architecture governance, and end-to-end solution delivery within the practice and with clients.

Your Skills:

Solution Architecture

Lead the design, solution definition and delivery of full stack front-end (Mobile and Wed) solutions for enterprise clients.
Translating business requirements into robust, scalable, and secure technical designs, ensuring alignment with Client’s architecture standards, regulatory expectations, and digital transformation goals.
Experience with distributed and event driven systems
Needs to further develop a broader perspective in solution design, along with presentation skills and stakeholder management.
Collaborate with Product Owners, Business Analysts, Architects, and Engineering teams to define high level and low level solution designs
Analyse business requirements and convert them into functional, technical, and integration design specifications
Ensure solutions adhere to Client’s architecture frameworks, security protocols, data governance, and regulatory compliance (e.g., GDPR, PSD2, FCA guidelines)
Work across cross functional squads to design end to end journeys across channels, APIs, applications, and backend systems.
Support design reviews, feasibility assessments, effort estimates, and dependency mapping.
Provide guidance during development, SIT/UAT, and production rollout to ensure alignment with approved designs.
Identify technical risks and propose mitigations while ensuring design scalability, performance, and resilience.
Maintain solution documentation, sequence diagrams, integration contracts, and data flow mappings.
Delivery
Oversee and mentor engineering teams, ensuring delivery excellence and adherence to best practices.
Develop and maintain responsive frontend applications using modern frameworks
Collaborate with UXUI designers to deliver intuitive and accessible user experiences
Implement backend services and APIs to support frontend functionality
Ensure application security scalability and compliance with client's standards
Participate in Agile ceremonies and contribute to continuous improvement
Product ownership including backlog prioritisation based on use case business value
Market Development
Collaborate with sales, account management, practice and COE teams to identify and pursue digital transformation opportunities.
Support pre-sales activities (RFIs/RFPs, proposal & proposition development) including solution shaping, estimating, scoping, and bid defence for digital transformation opportunities.
Articulate complex technical concepts and solution value to both technical and non-technical stakeholders, including C-level executives.
Act as a thought leader within Capgemini’s front-end community, contributing to growing the practice, innovation and capability development.
Technical Skills & Competencies
Strong developmental skills and technical leadership across front-end (React, Angular, Vue,)
Strong developmental skills and technical leadership across back-end (Node.js, Java, Spring Boot, .NET, RESTful APIs microservices), cloud platforms (AWS, Azure, GCP) and CICD tools GitLab, Jenkins
Strong experience in responsive design principles
Expertise in JavaScript(ES6+)/TypeScript, HTML5, CSS3, and modern frameworks (React preferred, Angular/Vue a plus).
Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js)
Expertise in at least one modern front-end framework (Nest.js, Remix.js).
Experience deploying solutions on cloud platforms (AWS/Azure/GCP) and Familiarity with DevOps practices, CI/CD, containers (Docker/Kubernetes).
Knowledge of APIs, microservices, GraphQL, and integration patterns.
Good to have mobile architecture expertise (native iOS/Android, Flutter, React Native)
Experience using AI-assisted development tools (e.g. GitHub Copilot) to enhance productivity and code quality.
Good to have experience with UXUI principles wireframing and accessibility standards
Strong understanding of Agile methodologies ScrumSAFe
Good to have Kafka/MQ development experience
Soft Skills & Competencies
Ability to multitask workflows across practice & team management, business development, building engineering capabilities and billable engagements.
Exceptional interpersonal, communication, storytelling and stakeholder management skills.
Strong commercial acumen and results-oriented leadership.
High integrity, creativity, empathy, emotional intelligence, and team empowerment mindset.
Ability to foster collaboration across disciplines and geographies with analytical approach.
Resilience and adaptability in fast-moving, client-centric environments.
Stakeholder expectation management.

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 ManageMentor, 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