Full Stack Developer - .Net/React.js

Aumni; Maharashtra; Hybrid; INR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Medical insurance (including parents)

24 leaves + 10 public holidays

On-site gym and recreational games

Fitness rewards

Job summary

Aumni is seeking a Senior Fullstack Engineer to develop modern web applications that enhance AI products. This role involves designing front-ends with React and back-end services using .NET (C#), requiring strong collaboration skills.

The ideal candidate has extensive experience in full-stack development and a passion for building effective user experiences. Benefits include medical insurance and a hybrid work culture.

Qualifications

• 5+ years of full-stack development experience.
• Expert proficiency with React and frontend architecture.
• Solid experience in backend services using .NET (C#).

Responsibilities

• Design and implement frontend applications using React.
• Develop and maintain backend services using .NET (C#).
• Collaborate with teams to create user-centric interfaces.

Skills

React

Backend API development

Node.js

TypeScript

JavaScript

RESTful APIs

SQL

AI technologies

Job description

Position Summary

We are looking for a Senior Fullstack Engineer with strong experience in React and backend API development using .NET (C#). You will play a key role in building modern, scalable web applications that power our AI products and platforms. You will work closely with product managers, designers, and AI/ML engineers to deliver clean user experiences and performant APIs in a high-impact environment. This is a hands‑on role for someone who enjoys building both intuitive front‑ends and robust back‑end services and wants to contribute to a fast‑moving team building advanced AI solutions.

Key Responsibilities

• Design and implement frontend applications using React, TypeScript, and modern component libraries.
• Develop and maintain backend services and REST APIs using .NET (C#).
• Collaborate with product and design teams to translate ideas into functional, user‑centric interfaces.
• Integrate with internal and external APIs, including AI inference services and data platforms.
• Write clean, testable, maintainable code across the stack.
• Optimize applications for performance, scalability, and security.
• Participate in code reviews, technical planning, and architecture decisions.

Required Technical Skills

• Hands‑on experience with AI technologies, tools, IDE's and ecosystem.
• 5+ years of full‑stack development experience.
• Expert‑level proficiency with React and frontend application architecture.
• Solid experience building and consuming RESTful APIs using .NET Core / C#.
• Strong Node.js, TypeScript and JavaScript fundamentals.
• Familiarity with SQL and data modeling.
• Understanding of authentication, authorization, and secure web development practices.
• Experience working in agile product teams and collaborating with design/UX.

Preferred / Good‑to‑Have Skills

• Experience with cloud services (Azure preferred).
• Familiarity with CI/CD pipelines and DevOps practices.
• Exposure to AI or ML‑based platforms and APIs.
• Experience with testing frameworks (unit, integration, E2E).

Benefits

• Medical insurance (including parents), life and disability insurance.
• 24 leaves + 10 public holidays + leaves for hospitalization, maternity, paternity and bereavement.
• On‑site gym, table tennis, carrom, foosball and pool.
• Hybrid work culture.
• Fitness group / rewards.
• Aumni Premier League, Aumni's Got Talent, Friday socials, annual parties, trek.

Company

Newtide.ai is an enterprise AI company focused on the fuels and convenience retail industry. Founded in 2023, Newtide builds AI platforms and intelligent agents that integrate with existing systems to drive automation, insights, and business outcomes using machine learning and generative AI. Headquartered in Charleston, SC, USA, with a global presence in Slovakia, India and other locations, Newtide is led by industry veterans with deep domain expertise.