Senior .Net/C# Developer

Adecco; Panchkula; On-site; INR 3,000,000 - 4,200,000; Full time

Job summary

Adecco is seeking a Senior .NET/C# Developer with 10+ years of software development experience to lead design and delivery of secure, scalable enterprise applications and services. This hands-on leadership role will shape solution architecture, establish engineering standards, and mentor developers.

The role involves architecting, building, testing, and modernizing .NET-based solutions, setting code quality standards, and collaborating with cross-functional teams to ensure production-ready

Qualifications

• 10+ years of professional software development experience
• Deep expertise in C# and the .NET ecosystem
• Experience building scalable enterprise applications and services
• Proven architecture ownership, technical leadership, and stakeholder-management skills

Responsibilities

• Architect, develop, test, and maintain scalable applications, services, RESTful APIs, and integrations using C# and the .NET platform.
• Lead technical design, code reviews, performance optimization, production readiness, and modernization of legacy .NET applications.
• Define standards for code quality, automated testing, security, observability, documentation, and CI/CD.
• Design and optimize data-access solutions using relational databases, SQL, and established ORM patterns.
• Diagnose complex production issues, lead root-cause analysis, and implement durable corrective actions.
• Partner with product, architecture, QA, security, DevOps, and data teams to translate business requirements into reliable technical solutions.
• Mentor engineers and provide technical direction across complex initiatives.

Skills

C# & .NET

Object-oriented design

Asynchronous programming

Dependency injection

Application architecture

SQL

CI/CD

Cloud platforms

Git workflows

Mentoring

Job description

Role Summary

We are seeking a Senior .NET/C# Developer with 10+ years of software development experience to lead the design and delivery of secure, scalable, and high-performing enterprise applications and services. This hands-on technical leadership role will shape solution architecture, establish engineering standards, solve complex technical challenges, and mentor developers.

Key Responsibilities

• Architect, develop, test, and maintain scalable applications, services, RESTful APIs, and integrations using C# and the .NET platform.
• Lead technical design, code reviews, performance optimization, production readiness, and modernization of legacy .NET applications.
• Define standards for code quality, automated testing, security, observability, documentation, and CI/CD.
• Design and optimize data-access solutions using relational databases, SQL, and established object-relational mapping patterns.
• Diagnose complex production issues, lead root-cause analysis, and implement durable corrective actions.
• Partner with product, architecture, QA, security, DevOps, and data teams to translate business requirements into reliable technical solutions.
• Mentor engineers and provide technical direction across complex initiatives.

Required Qualifications

• 10+ years of professional software development experience with deep expertise in C# and .NET.
• Advanced knowledge of object-oriented design, design patterns, asynchronous programming, dependency injection, and application architecture.
• Extensive experience building web applications, services, and APIs using modern .NET technologies.
• Strong knowledge of SQL, relational data modeling, data-access patterns, automated testing, application security, and performance engineering.
• Experience with cloud platforms, Git-based workflows, CI/CD, containers, observability, and production support.
• Proven architecture ownership, technical leadership, mentoring, and stakeholder-management skills.

Preferred Qualifications

• Experience with microservices, event-driven architecture, messaging, caching, and distributed systems.
• Experience modernizing large or business-critical .NET applications.
• Relevant Microsoft, cloud, or security certification.