Senior Full Stack Engineer

Mclaren Strategic Ventures India; Bengaluru; On-site; INR 2,800,000 - 4,200,000; Full time

Job summary

Mclaren Strategic Ventures India is seeking a Senior Full-Stack Engineer to join our Bangalore team. You will work on a cloud-native, multi-tenant SaaS product, building end-to-end features across frontend and backend using React, Next.js, .NET, and AWS services.

The ideal candidate has extensive experience with .NET, React.js, Next.js, PostgreSQL, and AWS Serverless Architecture, and will contribute to enterprise-grade applications and scalable infrastructure.

Qualifications

• 8+ years of software development experience in full-stack roles.
• Experience building cloud-native enterprise SaaS applications.
• Strong backend with .NET and frontend with React/Next.js.
• Experience designing multi-tenant architectures and secure auth systems.

Responsibilities

• Design and develop end-to-end full-stack applications using React 18/19, Next.js, and .NET 10.
• Build scalable backend services using C# and AWS Lambda.
• Develop REST APIs and BFF layers using AWS API Gateway.
• Design PostgreSQL schemas and migrations for multi-tenant SaaS.

Skills

NET Core / .NET (C#) backend

AWS Lambda & Serverless

React.js (18/19)

Next.js

PostgreSQL / Aurora PostgreSQL

AWS API Gateway

Kafka / Amazon MSK

Multi-tenant SaaS architecture

OAuth2 / OIDC / JWT / RBAC

CI/CD / GitHub Actions

Terraform / IaC

Tools

GitHub Actions

Terraform

AWS CodeDeploy

PostgreSQL tooling

Job description

Job Title: Senior Full-Stack Engineer

Experience: 8+ Years

Location: Bangalore

Work Mode: Work from Office (Onsite)

Employment Type: Full-Time

Job Description

We are looking for an experienced Senior Full-Stack Engineer to join our team and contribute to a large-scale product modernization initiative. The role involves building a cloud-native, multi-tenant SaaS application from the ground up, developing end-to-end product features across modern frontend technologies and scalable backend services.

The ideal candidate should have strong expertise in .NET (C#), React.js, Next.js, PostgreSQL, and AWS Serverless Architecture, along with experience in designing and developing enterprise-grade applications.

Key Responsibilities

• Design and develop end-to-end full-stack applications using React 18/19, Next.js, and .NET 10.
• Build scalable backend services using C# and AWS Lambda.
• Develop REST APIs and Backend-for-Backend (BFF) layers using AWS API Gateway.
• Design and implement PostgreSQL database schemas and migrations.
• Work on multi-tenant SaaS architecture and ensure proper tenant isolation.
• Implement event-driven architecture using Amazon MSK / Kafka.
• Integrate authentication and authorization mechanisms using OAuth2, OIDC, JWT, and RBAC.
• Work with PingOne for application login and session management.
• Develop and maintain CI/CD pipelines using GitHub Actions and AWS CodeDeploy.
• Implement Infrastructure as Code (IaC) using Terraform.
• Write unit and integration tests, participate in code reviews, and follow software development best practices.
• Collaborate with Solution Architects and Business Analysts to translate business requirements into technical solutions.

Mandatory Technical Skills

• Strong experience in .NET Core / .NET (C#) backend development.
• Hands-on experience with AWS Lambda and Serverless Architecture.
• Strong frontend development experience using React.js (React 18/19).
• Experience with Next.js.
• Strong knowledge of PostgreSQL / Aurora PostgreSQL and database schema design.
• Experience with AWS API Gateway, AWS Lambda, and Kafka / Amazon MSK.
• Experience in Multi-tenant SaaS application architecture.
• Knowledge of OAuth2, OIDC, JWT, and RBAC authentication mechanisms.
• Experience with CI/CD pipelines, GitHub Actions, and Terraform.
• Understanding of Agile/Scrum methodologies.

Good to Have Skills

• Experience in Healthcare, Medicaid, or Government-regulated domains.
• Knowledge of CQRS and Event-Driven Architecture.
• Python development for backend data processing.
• Experience with AWS Glue or Apache Spark.
• Knowledge of FAPI 2.0, PKCE, PAR, and DPoP.
• Experience with AWS CloudWatch, structured logging, and observability tools.

Technical Skill Stack

Frontend: React.js 18/19, Next.js

Backend: .NET 10, C#, AWS Lambda

Database: PostgreSQL, Aurora PostgreSQL, Alembic / EF Core

Cloud: AWS, API Gateway

Messaging: Amazon MSK, Kafka

Authentication: OAuth2, OIDC, JWT, RBAC, PingOne

DevOps: GitHub Actions, AWS CodeDeploy, Terraform

Candidate Profile

• 8+ years of overall Full-Stack Software Development experience.
• Strong hands-on experience in both frontend and backend development.
• Experience building scalable, cloud-native and enterprise SaaS applications.
• Ability to independently design, develop, test, and deliver product features.
• Strong problem-solving and collaboration skills.