We are seeking an accomplished Senior C# / .NET Core & React Full Stack Developer with strong expertise in microservices architecture, distributed systems, and modern front-end frameworks React. This role focused on building scalable, high-performance backend & frontend systems and enabling a cross-functional team to deliver robust full-stack solutions.
Key Responsibilities
Backend Development – C# & .NET Core, ASP. Net MVC & Oracle
Architect and develop headless, service-oriented applications using C# and .NET Core .
Design, develop, and maintain enterprise web and batch applications using Microsoft .NET / .NET Core, C#, ASP.NET MVC, and related frameworks to support business-critical systems and integrations.
Build, enhance, and support RESTful APIs for internal and external integrations, handling secure data exchanges via APIs, FTP, and middleware channels such as MQ.
Develop and optimize data access layers using Oracle Database (along with RDBMS concepts), including writing complex SQL queries, stored procedures, performance tuning, and supporting data migrations. Strong Query writing capabilities for bulk data loading process using .Net Batches.
Collaborate with business analysts, product owners, and QA teams to understand requirements, prepare technical designs, and deliver scalable, high‑quality solutions within Agile/Scrum teams.
Perform unit testing, integration testing, and system testing, support UAT cycles, and work closely with QA/ESQA teams to ensure functional and non‑functional quality standards are met prior to release.
Provide production support for high‑availability applications, including incident analysis, root‑cause investigation, defect fixes, and coordination with DevOps, DBA, and infrastructure teams to ensure system stability and SLAs.
Participate in release planning, deployment activities, and post‑deployment validations, ensuring smooth transitions across Dev, SIT, UAT, and Production environments.
Support ongoing modernization initiatives such as framework upgrades, security remediation, performance optimization, and automation to improve reliability and maintainability of application
Front-End Experience with React or Angular
Hands-on knowledge and experience with developing web applications with a strong focus on ReactJS/Angular
Experience with CDD based UI development.
Knowledge of JavaScript, CSS, HTML, and jQuery
Required Skills & Experience
3-5 years of software development experience, with at least 2-3+ years focused on microservices in C#, NET Core and Oracle.
Understanding of C# language internals, memory management, async/await, parallelism, and diagnostics.
Experience building microservices and APIs.
Hands-on with Docker, Kubernetes, cloud-native development (AWS).
Experience on unit testing and observability tools.
This position can be based in any of the following locations:
Chennai
Current Guardian Colleagues: Please apply through the internal Jobs Hub in Workday
Who we are
Guardian makes a difference in the lives of people when they need us most. With over 160 years of stability and fiscal integrity, we are a trusted resource to generations of families and business owners, inspiring well-being and helping build financial confidence.
Today, we stand behind 29 million consumers, helping them prepare and plan for a bright future for themselves and their families. We help business owners care for their employees. And we help people recover and thrive in times of unexpected loss.
As a modern mutual insurance company, we believe in driving value beyond dividends. We invest in our colleagues, are building an inclusive and innovative culture, and are helping to uplift communities through thoughtful corporate impact programs.
What we stand for
In 1860, a community of immigrants joined together to insure and protect their businesses and families. They were guided by powerful ideals that we’ve continued to stand behind and evolved throughout the years: we do the right thing, we believe people count, we courageously shape the future together, and we go above and beyond for the people we serve.
Guardian employees embrace and live by these values every day. They remind us to put people at the heart of all we do so that we can help protect what matters most to you. Want to help bring these values to life? Join us for a rewarding career and the opportunity to shape the future.
Disclosures:
Financial information concerning Guardian as of December 31, 2022, on a statutory basis: Admitted assets = $76.0 billion; liabilities = $67.2 billion (including $55.0 billion of reserves); and surplus = $8.8 billion. Dividends are not guaranteed. They are declared annually by Guardian’s Board of Directors.
Guardian® is a registered trademark of The Guardian Life Insurance Company of America. © Copyright 2023 The Guardian Life Insurance Company of America 2023-156184 Exp. 5/25
