Software Engineer (React, Node.js) at Capgemini | Jobyssey

About Capgemini

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations 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 over 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 2025 global revenues of €22.5 billion.

About the role

This role is hands-on, with a significant focus on frontend product development using React, while also contributing to backend (Node.js) services and AWS-based infrastructure. You will participate in technical planning, drive implementation excellence, and occasionally lead feature development end-to-end.

Responsibilities

Build and enhance web editor and user interfaces using TypeScript + React.js.
Develop backend APIs, services and internal tools using TypeScript (Node.js).
Collaborate closely with Tech Lead to execute plans and technical direction for the platform.
Take ownership of features — design, build, test, deploy and maintain.
Participate actively in code reviews, system discussions and engineering best practices.
Ensure product performance, scalability and reliability at scale.
Contribute to AWS deployment workflows, CI/CD and infrastructure improvements.
Produce clear documentation for systems, features and operational procedures.
Occasionally lead and drive feature development independently.

Requirements

Strong experience with React + TypeScript, especially for production-scale dashboards. Solid backend development experience using Node.js (TypeScript).
Practical experience building with LLMs or generative AI in production or serious side projects, including prompt design, API integration, and handling non-deterministic output (evaluation, guardrails, fallbacks).
Hands-on experience with AWS deployments and cloud-native architecture.
Familiar with CI/CD pipelines, environments, and infrastructure as code
Understanding of scalable architecture, performance optimisation and secure coding practices.
Able to work collaboratively with cross-functional teams (PM, QA, DevOps, Data).
Comfortable working in both new and legacy codebases, and learning fast.
Exhibits strong ownership, clarity in communication and good engineering hygiene.

Good-to-Have / Bonus

Familiarity with Website Builders / CMS
Experience with RAG, embeddings or vector search, or with agentic workflows and tool use (e.g. MCP).
Knowledge of Terraform or other IaC tooling.
Experience with large-scale monitoring, observability, or distributed systems.

Let's talk about what's in it for you!

Passionate people are Capgemini's Ace of Spades - join us to discover a career that will challenge, support and inspire you. Working at Capgemini you'll find the rewards are more than just financial. You will work alongside some very smart and inspiring people on exciting projects and you will also enjoy incredible benefits. We offer flexible work practices and 40 hours of self-development every year with a huge selection of learning opportunities to choose from.

As "Architects of Positive Futures", Capgemini actively supports the community in 3 ways:

Diversity and Inclusion - we believe diversity of thought fuels excellence and innovation, which is why we positively encourage applications from suitably qualified candidates regardless of their gender identity, ethnicity, sexual orientation, religion, ability, intersex status or age. To support our commitment to diversity and inclusion, we celebrate special events and days of significance that are important to our employees such as Diwali, Bastille Day, Pride, IDAHOBIT, IWD and International day of people with Disabilities. Our Employee Resource Groups Women@Capgemini and OutFront support the grassroots passion of employees to drive our diversity agenda and effect change.

Digital inclusion - at Capgemini we are using our skills to drive social impact initiatives focusing on helping society address the impact of the digital and automation revolution. We also provide employees with opportunities to give back to the community through charity projects and volunteer days.

Environmental Sustainability - Capgemini joined the CDP's (Carbon Disclosure Project) prestigious "A list" for its commitment to the Net-Zero economy. We are focusing on helping our clients transform towards more sustainable business models and committing to reduce our own carbon emissions (GHG) by 20% per employee by 2020.

Recognized by Ethisphere as one of the World's Most Ethical Companies for the last 8 years in a row, ethics and values are at the heart of Capgemini's corporate culture and business. Embedded in our DNA, our seven values - Honesty, Boldness, Trust, Team Spirit, Freedom, Fun and Modesty - have remained the same since company inception in 1967. To see how we bring these values to life, click here to listen to some of our employee’s stories.

Come join us, bring your whole self to work, create new possibilities for you, your customers and your community and help us to be Architects of Positive Futures.

Software Engineer (React, Node.js)

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