Full Stack Developer - React & Node.js/Python

Must have skills required :

React, Next.js, Python, Node.js, postgresql, AWS, Fast API, Fast APIs

Good to have skills :

Fintech

Propelld (One of Uplers' Clients) is Looking for:

Product Engineer (Full stack) who is passionate about their work, eager to learn and grow, and who is committed to delivering exceptional results. If you are a team player, with a positive attitude and a desire to make a difference, then we want to hear from you.

Role Overview Description

As a Fullstack Developer-SDE III/IV at Propelld, you will be responsible for designing and developing customer-facing UIs, robust APIs, and secure backend services. Youll work across the stack from UI to backend to databases and collaborate closely with SREs and data engineers to deliver a seamless and secure loan journey.

Our tech stack: React, Next.js, Node.js/Express, or Python/FastAPI, PostgreSQL,AWS

A day in the life

Develop clean code that meets the business needs as well stands test of time

Willingness to take calculated risk to move faster

Influence the design choices made in the team

Responsibilities:

• Develop responsive, accessible, and high-performance UIs using React/Next.js, ensuring
• pixel-perfect designs and seamless cross-device experiences.
• Design, build, and maintain RESTful APIs & microservices using Node.js (Express) or Python
• (FastAPI), optimizing for performance, scalability, and security (OWASP, PCI-DSS compliance).
• Work with PostgreSQL & MongoDB to design efficient database schemas, write optimized
• queries, and ensure data consistency.
• Implement security best practices, including PII/financial data protection, RBAC, and secure
• API handling.
• Collaborate with SREs to ensure high availability, scalability, and low-latency systems.
• Uphold code quality through modular architecture, code reviews, and mentoring junior
• developers.

Required Skills & Experience

Must-Have:

• 5+ years of experience in full stack development with a strong grasp of both frontend and backend technologies.
• B. E/B. Tech/M. E. /M. Tech/M. S. from a reputed university with a good academic record.
• Proficiency in React, Next.js, or similar frontend frameworks.
• Strong expertise in Node.js/Express, or Python/FastAPI.
• Good understanding of RESTful APIs, microservices, and API security.
• Hands-on experience with SQL/NoSQL databases (PostgreSQL, MongoDB).
• Exposure to cloud services such as AWS (S3, Lambda, RDS, etc.).

Bonus (Good to Have):

Experience with Docker, Kubernetes, and CI/CD pipelines.

Familiarity with fintech or NBFC platforms and data security standards.