Full Stack Engineer (SDE-2)

Experience: 8–11 Years

Location: Chennai.
Work Days: Monday to Friday
Working Hours: 1:00 PM – 10:00 PM
Employment Type: Full-Time

Position Overview

Digiclarity is looking for an experienced Full Stack Engineer (SDE-2) with 8–11 years of hands-on experience in building scalable, secure, and high-performance web applications. The ideal candidate should have strong expertise in React, TypeScript, JavaScript, C#/.NET Core, REST APIs, and PostgreSQL .

You will take end-to-end ownership of features , working across the frontend, backend, database, and asynchronous workflows. You will contribute to healthcare-focused, high-availability web applications while working closely with Product, Design, QA, and Engineering teams.

The role requires strong practical problem-solving skills, understanding of SaaS architecture, secure development practices, performance optimization, and modern software development methodologies.

Key Responsibilities

Develop and deliver end-to-end features using React, TypeScript, JavaScript, C#/.NET Core, and PostgreSQL .
Build responsive and accessible Single Page Applications (SPAs) with secure authentication, forms, routing, and reusable components.
Design and maintain scalable REST APIs , including consistent authentication, pagination, validation, and error-handling contracts.
Implement backend services using C#/.NET Core, Dependency Injection, and asynchronous programming .
Work with PostgreSQL for complex joins, transactions, query optimization, and safe concurrent data operations.
Build secure multi-tenant SaaS applications , ensuring proper tenant-level data isolation and access control.
Develop secure payment integrations, including checkout flows and reliable webhook processing with idempotency and retry handling.
Identify and resolve performance issues such as N+1 queries, slow database operations, large payloads, and API latency .
Implement observability using structured logging, metrics, tracing, dashboards, and alerts to improve system reliability.
Contribute to High-Level Design (HLD) and Low-Level Design (LLD) , including scalable SaaS architecture and reusable design patterns.
Write automated tests, perform code reviews, and maintain clean, secure, and maintainable code.
Follow spec-driven development and use AI coding assistants responsibly while maintaining complete ownership of code quality, security, and correctness.
Work with Docker, AWS, Git, and CI/CD pipelines to support reliable application delivery.

Required Skills & Qualifications

8+ years of professional experience developing production-grade web applications.
Strong hands-on experience with React, TypeScript, and JavaScript (ES6+) .
Strong knowledge of C# and .NET Core / https://jobeax.com/link/GrYTXLZMpxEMJknV Core .
Experience developing REST APIs, asynchronous services, and dependency-injected applications .
Strong hands-on experience with PostgreSQL , including joins, transactions, query optimization, and concurrent operations.
Experience working with multi-tenant SaaS applications and sensitive data.
Strong debugging and problem-solving skills across frontend, backend, and database layers.
Experience with Git, CI/CD, Docker, and AWS/cloud infrastructure .
Good understanding of HLD, LLD, data structures, design patterns, and system scalability .
Ability to analyze and resolve production performance issues.

Nice to Have

Experience in healthcare, patient billing, insurance, or revenue cycle management .
Experience with payment processors, webhooks, real-time updates, or message-based background workers.
Exposure to AI-assisted development, LLM-based coding tools, and spec-driven engineering workflows .
Experience designing systems for high availability, horizontal scaling, and large multi-tenant workloads.

Ideal Candidate

We are looking for a hands-on engineer who can think across the complete technology stack , solve complex technical problems, make sound design decisions, and take ownership from requirements through production. Strong coding ability in React and C# , along with practical database and system-design knowledge, is essential.

Full Stack developer(.Net +React js)

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