Senior .Net Developer - API + Security + Azure Cloud

UPS; Chennai District; On-site; INR 2,800,000 - 4,400,000; Full time

Job summary

UPS in Chennai is seeking a Senior .NET Developer with 8-12 years of experience to design and build secure, scalable APIs and cloud-native applications on Azure, emphasizing secure coding and cloud security best practices.

You will implement authentication and authorization, integrate Azure security services, and contribute to secure CI/CD pipelines, with a focus on reducing vulnerabilities and delivering reliable software.

Qualifications

• Bachelor's degree in Computer Science or related field.
• Experience securing APIs and cloud-native apps.
• Strong knowledge of secure coding practices and cloud security.

Responsibilities

• Design and develop secure RESTful APIs using .NET / C#
• Build and deploy applications on Azure with security-first principles
• Implement authentication & authorization (OAuth2, JWT, SSO)
• Identify and remediate vulnerabilities (OWASP Top 10)
• Integrate Azure security services into application architecture
• Implement secure CI/CD pipelines and deployment practices
• Conduct code reviews with focus on security, performance, and reliability

Skills

.NET Core / C#

API design

Azure cloud

Security practices

OWASP Top 10

DevOps / CI/CD

Identity & access mgmt

Docker / Kubernetes

Security auditing

Education

Bachelor's Degree in CS or related

Tools

Azure DevOps

GitHub Actions

Azure API Management

Key Vault

Entra ID

Service Bus

App Services

Azure Functions

Job description

Before you apply to a job, select your language preference from the options available at the top right of this page. Explore your next opportunity at a Fortune Global 500 organization. Envision innovative possibilities, experience our rewarding culture, and work with talented teams that help you become better every day. We know what it takes to lead UPS into tomorrow—people with a unique combination of skill + passion. If you have the qualities and drive to lead yourself or teams, there are roles ready to cultivate your skills and take you to the next level.

Job Description

Role Summary

8-12 yrs Exp

We’re looking for a Senior .NET Developer who can design and build secure, scalable APIs and cloud-native applications on Azure, with a strong emphasis on secure coding and cloud security best practices.

Key Responsibilities

• Design and develop secure RESTful APIs using .NET / C#
• Build and deploy applications on Azure with security-first principles
• Implement authentication & authorization (OAuth2, JWT, SSO)
• Identify and remediate vulnerabilities (OWASP Top 10)
• Integrate Azure security services into application architecture
• Implement secure CI/CD pipelines and deployment practices
• Conduct code reviews with focus on security, performance, and reliability

Required Skills

Backend Development (Core)

• Strong experience in .NET (Core/6+) and C#
• Solid API design experience (REST, versioning, rate limiting)

Security Expertise (Must-Have)

• Hands-on experience with:
  • Secure coding practices
  • Encryption, hashing, and data protection
  • Identity & access management
• Strong understanding of OWASP Top 10 vulnerabilities and mitigation

Azure Cloud (Must-Have)

• Hands-on experience with Azure services such as:
  • App Services / Azure Functions
  • Azure API Management
  • Azure Storage / Service Bus
• Experience with Azure security components:
  • Azure Active Directory (Entra ID)
  • Key Vault (secrets & certificate management)
  • Managed Identities
• Understanding of:
  • Secure cloud architecture
  • Monitoring, logging, and threat detection

DevOps & Deployment

• Experience with CI/CD pipelines (Azure DevOps, GitHub Actions)
• Understanding of secure deployment practices

Good to Have

• Certifications like CEH, CISSP, or Azure Security Engineer (AZ-500)
• Experience with Zero Trust architecture
• Exposure to containerization (Docker, Kubernetes / AKS)
• Experience with security tools (SonarQube, Snyk, etc.)

What Success Looks Like

• APIs and services that pass security audits with minimal vulnerabilities
• Secure, scalable applications running on Azure
• Strong identity, access, and secrets management practices
• Reduced security risks through proactive design and monitoring

Qualifications

• Bachelor’s Degree or International equivalent
• Bachelor's Degree or International equivalent in Computer Science, Information Systems, Mathematics, Statistics, or related field - Preferred

Employee Type

Permanent

UPS is committed to providing a workplace free of discrimination, harassment, and retaliation.