GenAI Full Stack Engineer - Managing Consultant - Digital Excellence

Capgemini Invent; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Benefits offered by this job

Comprehensive training and certifications

Flexible working arrangements

Team social events

Job summary

Capgemini Invent is looking for a skilled professional to build cutting-edge GenAI full-stack applications in Greater London. You will collaborate with the team to develop proof-of-concepts, scale them to production, and design solutions for various projects. Ideal candidates should have experience in backend and frontend development, familiarity with GenAI frameworks, and proficiency in AWS or Azure. The role offers hybrid working arrangements and focuses on continuous training and community engagement.

Qualifications

• Experience in building microservices using Python (FastAPI) or TypeScript (Express).
• Experience in building applications with React and TypeScript.
• Familiarity with GenAI tools like LangChain and LangGraph.
• Experiences with Large Language Models (LLMs) and tools like Ollama.
• Proficient in AWS or Azure for cloud hosting.
• Experience with Docker, Kubernetes, and Docker Compose.
• Exposure to tools like Terraform for IaC.
• Familiar with LLM monitoring tools.
• Experience with CI/CD using GitLab or GitHub.
• Familiar with vector databases and NoSQL databases.
• Proficient in Git for version control.
• Experience in an agile team environment.
• Strong communication skills to deal with stakeholders.
• Experience in leading projects and teams.

Responsibilities

• Develop GenAI proof-of-concepts and production-ready solutions.
• Support infrastructure for robust end-to-end solutions.
• Contribute to proposals and participate in client events.
• Engage in internal campaigns and community activities.
• Access training for career enhancement and technology upskill.

Skills

Backend Development

Frontend Development

GenAI Frameworks

LLM experience

Cloud Platforms

Containerization and Orchestration

Infrastructure as Code

Monitoring Tools

CI/CD

Version Control

Agile Methodology

Communication Skills

Leadership

Job description

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

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‑demands areas like GenAI.

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 Next.js 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 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

Capgemini Invent offers 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

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

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 – 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.

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 your 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. 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.

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.