Senior .Net Developer

Vlink; New Delhi; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Vlink seeks a Senior .NET Developer in Delhi to build scalable APIs and enterprise applications for trading and capital markets. You will work on data-heavy systems, optimize database design, and craft efficient solutions with strong problem-solving skills. Prior experience in financial domains is highly valued.

The role focuses on delivering robust services, leveraging C#, .NET, and SQL, and collaborating with cross-functional teams to meet performance and reliability goals.

Qualifications

• Strong experience with C#, .NET and SQL.
• Solid understanding of Data Structures & Algorithms (DSA) including stacks, queues and arrays.
• Experience in database design, query optimization and SQL performance tuning.
• Experience implementing REST APIs and designing scalable services.
• Familiarity with trading, investment or capital markets is highly preferred.

Responsibilities

• Build scalable APIs and enterprise applications.
• Design and optimize database schemas and queries.
• Analyze edge cases and ensure robust, clean code.
• Troubleshoot and debug complex systems with strong problem-solving.
• Collaborate with cross-functional teams to deliver financial systems.

Skills

C#

.NET

SQL

DSA

Database design

REST APIs

Trading knowledge

Problem-solving

Job description

Job Description:

We are looking for a Senior .NET Developer with strong expertise in C#, .NET, SQL, Data Structures & Algorithms (DSA), and database design. The ideal candidate should have experience building scalable APIs and enterprise applications, with domain knowledge in Trading, Investment, Capital Markets, or financial systems.

Required Skills

• Strong experience with C#, .NET, and SQL
• Good understanding of Data Structures & Algorithms (DSA)-stacks /Ques/ Array
• Experience in database design, query optimization, and SQL performance tuning
• Experience implementing FIFO logic
• Knowledge of Average Cost calculations
• Experience designing and developing REST APIs
• Strong problem-solving and debugging skills
• Experience in Trading, Investment, or Capital Markets is highly preferred

Interview Expectations

Candidates should be able to:

• Solve live coding problems using DSA
• Explain their approach and write clean, optimized code
• Handle edge cases and analyze time and space complexity
• Demonstrate strong logical thinking and problem-solving skills