Senior Dot Net Developer

We are seeking a highly experienced and technically proficient Senior ASP.NET Developer with 5-8 years of experience to lead the backend development of secure, high-performance SaaS applications focused on Digital Signature, eSign, and eKYC workflows. This role is ideal for a backend engineer with deep knowledge of .NET 8, C#, PostgreSQL, and secure API development, as well as hands-on experience with encryption, certificate-based signing, and compliance integrations.

Key Responsibilities

• Architect and develop secure, scalable SaaS backend systems using .NET 8 and C#
• Design and implement robust Web APIs for digital signing, encryption, and identity verification workflows
• Build reusable backend components for digital signature, encryption, and data integrity verification
• Integrate with third-party systems using PFX certificates, UIDAI, NSDL, or CA APIs
• Collaborate with frontend developers for seamless API integration and UX alignment
• Design and manage relational data models and optimize PostgreSQL queries and schema
• Troubleshoot complex issues across systems and deliver optimized performance
• Ensure secure API development practices, including use of OAuth2 and JWT
• Participate in code reviews, system design discussions, and mentor junior developers

Technical Skills Required

• Expert-level experience with .NET 8, .NET Core, and Web API development
• Strong knowledge of SaaS architecture and multitenant backend systems
• Proven experience in Digital Signature, eSign, eKYC workflows
• Experience with PFX certificates, signing, encryption, and hashing mechanisms
• Strong command of RESTful API standards and secure API development
• Advanced PostgreSQL skills: complex queries, schema design, performance tuning
• Experience with authentication standards: OAuth2, JWT
• Proficient with Git and Git-based workflows

Preferred / Bonus Skills

• Familiarity with UIDAI, NSDL, or Certificate Authority (CA) APIs
• Experience in high-security, compliance-driven projects (e.g., FinTech, GovTech)
• Familiarity with cloud infrastructure (Azure, AWS) and CI/CD pipelines

Screening Parameters

• Demonstrable experience with .NET 8 and digital signature workflows
• Production-level use of PostgreSQL with performance optimization
• Previous experience or strong understanding of eSign, eKYC, or similar integrations
• Ability to share architecture diagrams, code samples, or live project references

Why Join Us?

• Work on a cutting-edge digital security product
• Be part of a high-impact, fast-paced team
• Opportunity to own backend architecture decisions
• Collaborate on enterprise-grade system design from the ground up

Job Type: Full-time

Pay: ₹90,000.00 - ₹150,000.00 per month

Benefits:

• Flexible schedule

Ability to commute/relocate:

• Greater Noida, Uttar Pradesh: Reliably commute or planning to relocate before starting work (Required)

Education:

• Bachelor's (Preferred)

Experience:

• .NET: 1 year (Preferred)
• total work: 1 year (Preferred)

Work Location: In person