Senior Full Stack Developer (Node.js/ReactJS)
We are looking for a Senior Full Stack Engineer to join one of our teams and help us build great products for our clients.
Join a globally recognized company, where innovation meets impact. With a team of seasoned professionals and a culture built on excellence, we deliver top-tier solutions that shape industries and drive meaningful results.
Become part of a company where your expertise is valued, your voice is heard, and your career is empowered!
Customer
Our client is a global content and information company shaping the future of media and data. With a century-long legacy and a strong focus on innovation, the team builds trusted experiences and tools that inform, inspire, and empower millions of people worldwide.
Requirements
5+ years of professional experience with JavaScript, including modern frameworks and tools
Expert proficiency in Node.js for scalable back-end services and APIs
Expertise in ReactJS for modern, responsive front-end interfaces
Experience designing and implementing Data APIs for efficient workflows
Familiarity with VectorDB or similar vector databases for AI/ML applications
Hands-on experience with AWS or GCP, including deployment and management
Strong knowledge of RESTful APIs, microservices, and database systems (SQL/NoSQL)
Upper-Intermediate level of spoken and written English
WILL BE A PLUS:
Experience with Model Context Protocol (MCP) for AI model interactions
Familiarity with workflow automation tools such as Langflow or n8n
Knowledge of DevOps practices, CI/CD pipelines, or containerization (Docker, Kubernetes)
Personal Profile
Strong problem-solving skills
Attention to detail
Ability to work independently
Excellent communication and collaboration skills
Responsibilities
Design, develop, and maintain scalable applications across front-end and back-end layers
Develop robust back-end services and APIs (REST/GraphQL) using Node.js
Build responsive, user-friendly UIs using ReactJS
Collaborate closely with data engineers and ML teams to integrate AI features and data-driven logic into the product
Optimize application performance, scalability, and reliability in a cloud environment
Implement best practices for security, CI/CD, testing, and code quality
Work with product and design teams to translate business requirements into technical solutions
Take ownership of features from ideation to deployment and monitoring in production
Stay up to date with emerging technologies and contribute to technical decision-making and innovation within the team

Sigma Software
Sigma Software is a global software development company founded in 2002. It enables enterprises, startups, and product houses to meet their technology needs through end-to-end delivery, providing top-quality software dev...
Senior Full Stack Developer (Node.js/ReactJS)
Senior Full Stack Developer (Node.js/ReactJS)