Tech S and T-.Net Backend Developer-Senior -RT-GD02

EY; Bengaluru; On-site; INR 1,800,000 - 2,600,000; Full time

Job summary

EY is seeking a Senior Backend Developer to design, develop, and maintain scalable .NET Core Web APIs and services on Azure. The role emphasizes hands-on delivery, technical leadership, and collaboration with cross-functional teams.

You will work on secure, high-performance backend solutions, implement API design patterns, and mentor junior consultants while ensuring reliable, scalable enterprise-grade systems in a delivery-focused environment.

Qualifications

• Experience in design and development of backend services using C# and .NET Core Web API.
• Strong knowledge of RESTful APIs and API versioning.
• Experience with Azure cloud services and SQL Server databases.
• Familiarity with security practices: OAuth2, JWT, and authorization.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs.
• Guide junior team members and participate in technical design.
• Implement secure, high-performance backend solutions.
• Develop RESTful APIs with proper versioning and documentation.
• Integrate services with databases and external systems.
• Monitor, log, and diagnose backend components; ensure reliability.

Skills

C#

.NET Core Web API

Azure

REST API

SQL Server

OAuth2

JWT

Microservices

Git

CI/CD

Design patterns

Tools

Azure DevOps

Azure App Service

Azure Application Insights

Job description

Tech S and T-.Net Backend Developer-Senior -RT-GD02

Other locations: Primary Location Only

Date: Oct 29, 2026

Requisition ID: 1755488

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.

Backend Developer – Senior Consultant

Role Summary

A Senior Consultant – Backend Developer is responsible for designing, developing, and maintaining scalable backend services and APIs using .NET and Azure. The role requires strong hands on technical expertise, ownership of backend components, and the ability to guide junior team members while delivering high quality enterprise solutions.

This is a delivery focused, hands on role with technical leadership at the feature or module level.

Key Responsibilities

• Design, develop, and optimize C# / .NET Core Web APIs.
• Implement secure, scalable, and high performance backend services.
• Apply best practices in dependency injection, middleware, async programming, and error handling.
• Develop and maintain RESTful APIs with proper versioning and documentation.
• Integrate backend services with databases and external systems.
• Ensure reliability, performance, and maintainability of backend components.
• Deploy and manage backend services on Azure App Service.
• Configure application settings, environments, and secrets.
• Implement monitoring, logging, and diagnostics using Azure Application Insights.
• Troubleshoot production issues using logs, telemetry, and metrics.
• Support release and environment management activities.

Data & Integration

• Work with SQL Server / Azure SQL databases.
• Write optimized SQL queries, stored procedures, and data access logic.
• Ensure data integrity, performance, and transaction handling.
• Integrate with authentication providers and external APIs.

Technical Leadership & Delivery

• Own backend deliverables for assigned features or modules.
• Participate in technical design discussions and effort estimations.
• Conduct code reviews and ensure adherence to coding standards.
• Mentor Consultants and junior developers.
• Collaborate with QA, DevOps, and cross functional teams.
• Proactively identify and mitigate technical risks.

Problem Solving Skills

• Strong ability to design and troubleshoot backend systems.
• Expertise in resolving production issues efficiently.
• Ability to optimize API performance and database queries.
• Analytical approach to diagnosing complex technical problems.
• Good decision making in performance, scalability, and security scenarios.

Technical Expertise

• Strong experience in C# and .NET Core Web API development.
• Solid understanding of REST principles and API design patterns.
• Experience with dependency injection, middleware, and async architecture.
• Knowledge of API security, OAuth2, JWT, and authorization practices.
• Experience working in microservices based environments (preferred).

Data

• Strong experience with SQL Server / Azure SQL.
• Good understanding of database design and performance tuning.
• Hands on experience with Azure App Service.
• Strong experience using Azure Application Insights for monitoring and diagnostics.
• Working knowledge of Git (Azure DevOps preferred).
• Familiarity with CI/CD pipelines and release processes.

EY | Building a better working world

EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets.

Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate.

Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.

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