Senior Software Engineer (Banking & FinTech Solutions)

QServices; Sahibzada Ajit Singh Nagar; On-site; INR 800,000 - 1,200,000; Full time

Job summary

QServices is seeking a Senior Software Engineer in Sahibzada Ajit Singh Nagar, Punjab, with over 4 years of experience in software development. This role involves architecting backend systems that ensure financial transactions adhere to ACID properties and implementing cryptographic protocols for securing sensitive data.

The ideal candidate will possess deep knowledge of the Microsoft ecosystem, including C#, .NET, and MS SQL Server, along with a strong foundation in banking systems and accounting principles. Join our team and work on high-impact financial products in a structured engineering environment.

Qualifications

• 4+ years of experience in software development.
• Deep mastery of the Microsoft ecosystem.
• Understanding core banking systems and architecture.

Responsibilities

• Architect backend systems adhering to ACID properties.
• Implement cryptographic protocols for sensitive financial data.
• Develop audit-ready core ledger and accounting modules.
• Performance-tune SQL databases for heavy transaction loads.

Skills

C#

.NET Core / modern .NET frameworks

Entity Framework Core (EF Core)

MS SQL Server

Encryption algorithms (AES, RSA)

Secure hashing

Key management

Microservices

Distributed Systems

Docker

Job description

Experience: 4+ Years In the banking world, software development is where high-level accounting logic meets ironclad security.

A single decimal error or an unencrypted payload is never an option. We are looking for a Senior Software Engineer who can balance a financial ledger and implement cryptographic protection with equal precision.

If you have 4+ years of experience, a deep mastery of the Microsoft ecosystem, and understand the intricate architecture behind core banking systems, we want you on our team!

Mandatory Technical Skills

• Backend Engineering: C#, .NET Core / modern .NET frameworks
• Data & ORM: Entity Framework Core (EF Core) & MS SQL Server (Transactional integrity)
• Security & Cryptography: Practical knowledge of encryption algorithms (AES, RSA), secure hashing, and key management
• Architecture: System Design, Microservices, and Distributed Systems
• Infrastructure: Containerization with Docker

Domain & Accounting Knowledge

• Banking Systems: Deep understanding of core banking software development, transaction processing, or payment rails.
• Accounting Principles: Strong foundational knowledge of double-entry bookkeeping, digital ledgers, and financial reconciliation.

What You Will Do

• Architect and scale backend systems that ensure financial transactions strictly adhere to ACID properties.
• Implement robust cryptographic protocols to secure highly sensitive financial data at rest and in transit.
• Develop core ledger and accounting modules that are structurally flawless and audit‑ready.
• Performance-tune complex SQL databases to handle heavy transactional peak loads.

WHY QSERVICES?

• Work on technically complex, high-impact financial products.
• Collaboratively structured engineering environment with a clear career progression path.