Associate Full Stack Engineer – MERN

Company: Global PayEX
Apply for the Associate Full Stack Engineer – MERN
Location: Mumbai
Job Description:

Associate Full Stack Engineer – MERN / Java Stack  

Location:  Mumbai (Work-from-Office) 

Department:  Engineering | Industry:  FinTech / SaaS 

Experience:  0–2 years | Compensation:  Competitive 

About Global PayEX  

At Global PayEX, we build world-class AI-driven fintech platforms trusted by global banks and Fortune-scale enterprises. 

Our solutions power real-time reconciliation, payments, and working-capital automation for clients like JPMorgan, Citi, ITC, and Tata Group

We’re expanding our engineering team in Mumbai to nurture the next generation of full-stack developers who want to build scalable, intuitive, and high-performance enterprise applications. 

Role Overview  

We’re looking for an Associate Full Stack Engineer  who is passionate about building complete, end-to-end applications — from backend APIs to intuitive user interfaces. 

You’ll work alongside senior engineers to develop responsive frontend components and robust backend services that power Global PayEX’s fintech products. 

This is a hands-on role ideal for someone who enjoys both UI logic and backend systems, and wants to grow into a well-rounded full-stack engineer in a high-performance environment. 

Key Responsibilities  

  • Develop and maintain frontend applications using React.js / Angular / modern JavaScript frameworks
  • Build and integrate backend services using Java, Spring Boot, Node.js, or Python
  • Design and consume RESTful APIs  and integrate them into frontend applications. 
  • Work with MongoDB or relational databases  for data modeling and querying. 
  • Collaborate with UX, QA, and backend teams to deliver seamless user experiences. 
  • Participate in code reviews , write unit tests, and follow clean coding practices. 
  • Debug and resolve issues across frontend and backend layers. 
  • Participate actively in Agile ceremonies  – sprint planning, standups, and retrospectives. 

Required Skills & Experience  

  • 0–2 years of experience in full-stack or frontend/backend development. 
  • Strong foundation in JavaScript, HTML, CSS , and at least one frontend framework (React preferred). 
  • Basic understanding of Java / Node.js / Python  for backend development. 
  • Familiarity with REST APIs, JSON, and database concepts (MongoDB/MySQL)
  • Understanding of data structures, algorithms, and OOP principles
  • Knowledge of Git  and version control workflows. 
  • Strong analytical thinking and willingness to learn both frontend and backend domains. 

Preferred Qualifications  

  • Internship or project experience in full-stack development
  • Exposure to Spring Boot, Express.js, or FastAPI
  • Familiarity with Docker, Postman, Swagger/OpenAPI
  • Basic knowledge of cloud platforms (AWS/Azure/GCP)
  • Understanding of responsive design and UI best practices

Why Join Global PayEX  

  • Build real-world fintech platforms used by global banks and enterprises. 
  • Gain exposure to both frontend architecture and backend microservices
  • Learn from a world-class engineering team working on asynchronous and AI-integrated systems. 
  • Work in a collaborative, fast-paced, innovation-driven culture. 
  • Competitive compensation and clear growth paths into senior full-stack or specialized engineering roles. 

How to Apply:  

Send your CV or GitHub profile to   with the subject line 

“Associate Full Stack Engineer | (Your Name)”  

Posted: February 25th, 2026