Senior Full Stack Developer – .NET/React.js

Winzons; India; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

Aumni Techworks in Pune, Maharashtra, India is seeking a Senior Fullstack Engineer with expertise in React, TypeScript, and .NET (C#) to build scalable web applications powering our AI platforms. This hands-on role covers both frontend and backend development in a hybrid work environment.

You will collaborate with product managers, designers, and AI/ML engineers to deliver robust APIs and compelling user experiences, participate in architecture decisions, and ensure performance, security, and

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• 5+ years of full-stack development experience.
• Strong experience with React, TypeScript, and .NET Core/C#.

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.

Skills

React

TypeScript

REST APIs

.NET Core / C#

Node.js

JavaScript

SQL

AI technologies

Education

Bachelor's degree in Computer Science / IT / Engineering

Tools

Azure

Job description

Company Name: Aumni Techworks

Job Role: Full Stack Developer

Experience Required: 5-8 Years

Employment Type: Full-Time

Location: Pune, Maharashtra, India

Work Mode: Hybrid

Qualification: Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related field

Domain: Enterprise AI Solutions and Retail Technology

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.

Youll 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 frontends and robust backend 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 fullstack 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).

This role is for Aumnis client, Newtide :

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 including Kosice, Slovakia, Pune, India & Newtide is led by industry veterans with deep domain expertise.

Why Join Newtide.ai :

At Newtide.ai, youll build real?world AI products that power the fuels and convenience retail industry.

Were a fast?growing, AI?first company where small, empowered teams have true ownership and visible impact.

youll work with experienced industry and technology leaders, solve meaningful engineering challenges using modern AI and cloud technologies, and help shape products trusted by enterprise customers.

If you enjoy startup speed with an enterprise mindset, youll fit right in.

About Aumni :

Aumni, established in 2016, is a Software Services Company that partners with Product companies to build and manage their dedicated teams in India.

So, while you are working for a services company, you are working within a product team and growing with them.

These are not projects but product development, and we have long term (open ended) contracts with our clients.

When our clients sign up with us, they are looking at a multi-year relationship.

Most of our clients have been with 6,8,9 years.

We do not move people across client teams and there is no concept of bench.

At Aumni, we believe in quality work, and we truly believe that Indian talent is at par with global talent from US or Europe.

We are 350+ and growing.

Benefits of working at Aumni :

• Our award-winning culture reminds us of our engineering days.
• Medical insurance (including Parents), Life and disability insurance.
• 24 leaves + 10 public holidays + leaves for Hospitalisation, maternity, paternity and bereavement.
• On site Gym, TT, Carrom, Foosball and Pool.
• Hybrid work culture.
• Fitness group / rewards.
• Aumni Premier League, Aumni's Got Talent, Friday Socials, Annual parties, Trek.

Aumni Values :

• BE BOLD. Dare to innovate, challenge the norm and take ownership. Growth comes from courage.
• BE TRUE. Act with integrity and transparency in every task, every decision and every interaction.
• BE KIND. Respect people, embrace diversity and support our culture of empathy and high collaboration.
• BE YOU. Bring your authentic self to work. Have fun working, celebrate individuality and create space for everyone to thrive.