Senior Fullstack Engineer

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.
Job Description
Job Description - Grade Specific
Senior Fullstack Engineer (#133115)
We are seeking a Senior Fullstack Engineer based in LATAM to architect, build, and maintain scalable full-stack solutions that support critical business operations. This role combines software engineering, modern data platforms, workflow automation, and cloud technologies to create operational applications that connect business users, data insights, and automated execution.
The engineer will be responsible for developing backend services, frontend applications, workflow orchestration capabilities, and system integrations. The ideal candidate will have strong architectural thinking, hands-on development experience, and the ability to mentor peers while driving technical excellence.
Key Responsibilities
Design and develop end-to-end full-stack applications.
Build scalable backend APIs and microservices.
Develop modern frontend applications using React and TypeScript.
Create operational self-service applications for business users.
Design workflow automation and cross-platform system integrations.
Transform traditional reporting and analytics solutions into automated operational workflows.
Participate in architecture discussions, code reviews, and engineering best practices.
Mentor team members and contribute to coding standards.
Required Technical Skills
5+ years of software development experience with Java or Python.
5+ years of backend API development experience.
Strong experience with:
REST APIs
GraphQL
RPC
JSON
5+ years working with databases such as:
MySQL
PostgreSQL
MongoDB
4+ years building frontend applications using:
React
TypeScript
Strong proficiency in:
HTML
CSS
JavaScript (ES6+)
Experience working in cloud environments, preferably AWS.
Experience leading code reviews and contributing to architectural decisions.
Bachelor's degree in Computer Science, Engineering, or related technical discipline.
Nice to Have
Billing platform or payment solutions experience.
Service-oriented and event-driven architectures.
Messaging platforms:
Kafka
SQS
RabbitMQ
GraphQL frontend integration (Apollo Client or similar).
Component-based design systems.
Jest and React Testing Library.
Frontend build tools such as Webpack or Vite.
WCAG accessibility standards.
Experience with large-scale distributed systems, scalability, replication, and redundancy patterns.
Strong debugging and troubleshooting skills.
Assignment Details
Location: LATAM
Allocation: 100%
Time Zone: US CST
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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, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.