Job Description
Date: 25-Apr-2026
About Firstsource
Firstsource Solutions Limited, an RP-Sanjiv Goenka Group company (NSE: FSL, BSE: 53280+, Reuters: FISO.BO, Bloomberg: FSOL:IN), is a specialized global business process services partner, providing transformational solutions and services spanning the customer lifecycle across Healthcare, Banking and Financial Services, Communications, Media and Technology, Retail, and other diverse industries. With an established presence in the US, the UK, India, Mexico, Australia, South Africa, and the Philippines, we make it happen for our clients, solving their biggest challenges with hyper-focused, domain-centered teams and cutting-edge tech, data, and analytics. Our real-world practitioners work collaboratively to deliver future-focused outcomes.
- Job Title: – Senior .NET Developer
- Location: Remote
- Function/Department: Technology
Desired Skills & Experience
- Bachelor's degree in computer science engineering degree
- 8+ years of software development experience delivering commercial software products
Skills
- Expertise in C#, .NET 3.5 and 4.0 or higher, Web Services, API development, .NET Core
- Experience working with SQL Server 2005/2008 or higher.
- Expertise in client-side development frameworks such as HTML5, JavaScript, JSON and jQuery
- Experience with OOP, SDLC, pattern and practices in multi-tenant system
- Must be a self-starter, able to work independently and in a team environment
- Ability to work on multiple projects focused on delivery
- Desire to work in a fast-paced, entrepreneurial environment
⚠️ Disclaimer: Firstsource follows a fair, transparent, and merit-based hiring process. We never ask for money at any stage. Beware of fraudulent offers and always verify through our official channels or @firstsource.com email addresses.
About Firstsource
Firstsource Solutions Limited, an RP-Sanjiv Goenka Group company (NSE: FSL, BSE: 53280+, Reuters: FISO.BO, Bloomberg: FSOL:IN), is a specialized global business process services partner, providing transformational solutions and services spanning the customer lifecycle across Healthcare, Banking and Financial Services, Communications, Media and Technology, Retail, and other diverse industries. With an established presence in the US, the UK, India, Mexico, Australia, South Africa, and the Philippines, we make it happen for our clients, solving their biggest challenges with hyper-focused, domain-centered teams and cutting-edge tech, data, and analytics. Our real-world practitioners work collaboratively to deliver future-focused outcomes.
- Job Title: – Senior .NET Developer
- Location: Remote
- Function/Department: Technology
Desired Skills & Experience
- Bachelor's degree in computer science engineering degree
- 8+ years of software development experience delivering commercial software products
Skills
- Expertise in C#, .NET 3.5 and 4.0 or higher, Web Services, API development, .NET Core
- Experience working with SQL Server 2005/2008 or higher.
- Expertise in client-side development frameworks such as HTML5, JavaScript, JSON and jQuery
- Experience with OOP, SDLC, pattern and practices in multi-tenant system
- Must be a self-starter, able to work independently and in a team environment
- Ability to work on multiple projects focused on delivery
- Desire to work in a fast-paced, entrepreneurial environment
⚠️ Disclaimer: Firstsource follows a fair, transparent, and merit-based hiring process. We never ask for money at any stage. Beware of fraudulent offers and always verify through our official channels or @firstsource.com email addresses.
💡 Quick Summary
Seeking a career-building opportunity? The Senior .NET Developer position is now open for candidates interested in the IT Engineer & Developer Jobs sector. This role in Kolkata offers a professional environment and growth potential.
Requirement Snapshot: Candidates should possess basic communication skills, a proactive attitude, and the ability to work in a team. Experience in IT Engineer & Developer Jobs is a plus.