GenAI Full Stack Engineer

At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose.

YOUR ROLE

Join our team as a key player in building cutting-edge GenAI full-stack applications. In this role, you will:

• Collaborate with the team to develop GenAI proof-of-concepts (POCs) for clients using technologies like Retrieval-Augmented Generation (RAG) and intelligent agents.
• Scale existing POCs to production-ready solutions for customer use.
• Design and develop FullStack applications for both GenAI and non-GenAI projects.
• Support the development of infrastructure to enable robust end-to-end solutions.
• Grow your skills by exploring and experimenting with emerging technologies, including GenAI.
• Share your expertise by coaching and mentoring team members, fostering skill development within the team.

Additional Opportunities

This role offers avenues for both personal and business growth through contributions in the following areas:

Business Development

• Lead or contribute to proposals, RFPs, bids, and client pitches.
• Develop innovative propositions and participate in client-hosting events.

Internal Initiatives

• Engage in campaign development, internal think tanks, and whitepapers.
• Contribute to practice operations, recruitment, and team-building activities.
• Help shape the organization's offerings and capabilities.

Learning and Development

• Access training and certifications to enhance your career and align with company needs.
• Stay at the forefront of technological advancements by upskilling in high-demand areas like GenAI.

Become part of a dynamic environment where innovation, collaboration, and growth are central to everything we do.

YOUR PROFILE

To be considered for this position you must meet below requirements:

Eligibility

• You need to hold an active SC (Security Check) Clearance or be eligible for such level of clearance.

Technical Expertise

• Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent
• Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as or Vite.
• GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript).
• LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama.
• Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment.
• Containerization and Orchestration: Hands-on experience with Docker, Kubernetes, and Docker Compose.
• Infrastructure as Code (IaC): Exposure to tools like Terraform.
• Monitoring Tools: Familiarity with LLM monitoring tools like Langsmith, Langfuse, or similar.
• CI/CD: Experience with continuous integration and deployment tools such as GitLab, GitHub, or Jenkins.

Database Management

• Vector Databases: Experience with and (but not limited to) ChromaDB, Pinecone, PGVector, MongoDB , Qdrant etc.
• NoSQL: Familiarity with NoSQL databases (e.g., MongoDB preferred).
• SQL: Experience working with SQL databases like PostgreSQL.

Version Control

• Proficient in Git and version control platforms like GitHub, GitLab, etc.

Work Methodology

• Experience working in an agile team environment.

Communication Skills

• Ability to effectively communicate with internal and external stakeholders, adapting your approach based on the audience and context.

Leadership

• Experience in leading projects and people management

WHAT YOU'LL LOVE ABOUT WORKING HERE:

We are delighted to have received the "Glassdoor Best Places to work UK' accolade for 4 consecutive years. To see what it's like to work at Capgemini Invent, visit our Glassdoor page. Capgemini Invent offers engineers a culture of learning, ownership, and focus on value.

Culture and Growth

Capgemini Invent fosters a culture of learning, ownership, and delivering value. You'll work on high-profile transformations, gaining hands-on experience with leading-edge technologies. Comprehensive Training and Certifications: Our consultants receive formal training from industry experts in consulting and client delivery. You'll have access to a wide array of training programs and certifications in areas such as:

• Cloud Technologies: AWS, Azure, GCP
• Programming: Java, Kotlin, , Spring Boot
• DevOps: Terraform, Kubernetes, Docker
• Cybersecurity: CISSP, CISM
  Agile Delivery: Scrum Master, Product Owner, Scaled Agile Framework

This flexibility allows you to build expertise in domains that align with your interests and our clients' needs.

Unique Learning Environment

Les Fontaines: Just outside Paris, our unique training facility offers an immersive environment for thought leadership, skill-building, and collaboration, enabling us and our clients to succeed.

Community and Connection

Digital Transformation Showcases: Monthly events where we share our innovations and demonstrate the transformative power of technology for our clients.

Social events

• Monthly Team Drinks: A chance to connect with the wider team in a relaxed city setting.
• Team Breakfasts: Enjoy informal office meetups to hear from leadership, discuss market trends, and catch up with colleagues.
  Team Away Days: Engage with teammates, have fun, and learn something new.

Capgemini Invent offers a vibrant, inclusive, and rewarding environment where your career can thrive, and your contributions truly make an impact.

NEED TO KNOW

At Capgemini we don't just believe in inclusion, we actively go out to making it a working reality. Driven by our core values and Inclusive Futures for All campaign, we build environments where you can bring you whole self to work.

We aim to build an environment where employees can enjoy a positive work-life balance. We embed hybrid working in all that we do and make flexible working arrangements the day-to-day reality for our people. All UK employees are eligible to request flexible working arrangements.

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. We have also invested in wellbeing apps such as Thrive and Peppy.

CSR

We're also focused on using tech to have a positive social impact. So, we're working to reduce our own carbon footprint and improve everyone's access to a digital world. It's something we're really serious about. In fact, we were even named as one of the world's most ethical companies by the Ethisphere Institute for the 10th year. When you join Capgemini, you'll join a team that does the right thing.

Whilst you will have London, Manchester or Glasgow as an office base location, you must be fully flexible in terms of assignment location, as these roles may involve periods of time away from home at short notice.

We offer a remuneration package which includes flexible benefits options for you to choose to suit your own personal circumstances and a variable element dependent grade and on company and personal performance.

In order to commence a role with Capgemini UK plc you will be required to provide documentary proof prior to joining the Company that you are entitled to live and work in the UK.

ABOUT CAPGEMINI

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2023 global revenues of €22.5 billion.

Ref. code

275798-en_GB

Posted on

30 Jun 2025

Experience level

Experienced Professionals

Contract type

Permanent

Location

London, Manchester, Glasgow, Newcastle

Business unit

INVENT

Brand

Capgemini Invent

Professional communities

Strategy & Transformation