Dotnet Developer

Firstsource

India

.Net Full Stack Developer (Remote Job)

8+ Years

Apply Now : Click the link and fill the form

About Firstsource

Firstsource Solutions Limited, an RP-Sanjiv Goenka Group company (NSE: FSL, BSE: 532809, 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.

About the Role

We are seeking a highly skilled and motivated Senior .NET Full Stack Senior Developer to join our growing technology team. The ideal candidate will have strong experience in developing scalable web applications using modern Microsoft technologies, with expertise in both backend and frontend development. This role requires hands-on experience in ASP.NET Core, modern front-end frameworks, REST APIs, database design, cloud deployment and modern software architecture principles, along with strong mentoring and collaboration skills.

Key Skills

Backend Technologies (Mandatory)

.NET Core 8 or above
C#
ASP.NET Core
Web API Development
Microservices Architecture
Worker Services / Windows ServicesFrontend Technologies (Mandatory)
Blazor
Razor
JavaScript
Angular 6+
HTML5
CSS3
BootstrapDatabase Technologies
Microsoft SQL Server (Mandatory)
PostgreSQL
MySQL
Entity Framework Core
LINQVersion Control & DevOps
Git
Team Foundation Server (TFS)
Azure DevOpsCloud Technologies (Good to Have)

Experience with Microsoft Azure services including:

Load Balancer
DNS
Traffic Manager
Compute Services
Storage Services
Azure SQL
Cosmos DB
Azure Cognitive Search
Azure Functions
Logic Apps
API Management
Service Bus
Key Vault
Redis Cache
Azure Active Directory (AAD)
Application Insights
RabbitMQKey Responsibilities
Collaborate with business stakeholders and cross-functional teams to understand and define application requirements
Analyze system requirements and contribute to solution design and technical architecture
Develop detailed technical specifications and project documentation
Design, develop, test, and maintain scalable applications using ASP.NET Core 8 and related technologies
Build and consume RESTful APIs and microservices
Develop responsive user interfaces using Blazor, Razor, JavaScript, and Angular
Review, troubleshoot, debug, and optimize existing applications
Ensure code quality through best practices, code reviews, and unit testing
Maintain software documentation and operational procedures
Participate in Agile development processes and sprint activities
Collaborate with product managers, architects, and QA teams to deliver high-quality releases.
Lead technical design discussions and contribute to architecture decisions.
Optimize application performance, reliability, and scalability.
Write clean, maintainable, testable code and enforce coding standards.
Conduct code reviews and mentor junior/mid-level developers.
Drive CI/CD adoption and DevOps best practices.
Troubleshoot production issues and implement preventive improvements.

What We Value

Strong collaboration and teamwork
Customer-first mindset
Fast and disciplined execution
Continuous learning and improvement
Ownership, accountability, and a results-driven approach
Passion for delivering high-quality software solutions

Required Skills & Qualifications

10–12 years of hands-on software development experience.
Strong expertise in C#, ASP.NET Core, .NET Framework/.NET 6+.
Solid experience with Web API, RESTful services, Entity Framework, LINQ.
Strong front-end experience with Blazor/Angular/React, JavaScript/TypeScript, HTML5, CSS3.
Experience with SQL Server and database design/optimization.
Good understanding of microservices architecture and design patterns.
Hands-on with Azure/AWS, containerization (Docker), and orchestration concepts.
Experience with Git, CI/CD pipelines, and agile methodologies.
Strong debugging, problem-solving, and communication skills.

Preferred Qualifications

Experience with Kubernetes, messaging systems (RabbitMQ/Kafka), and caching (Redis).
Exposure to domain-driven design (DDD) and event-driven architecture.
Knowledge of security best practices (OAuth2, JWT, OWASP).
Prior experience in leading modules/teams in enterprise projects.
Relevant Microsoft/Azure certifications are a plus.
Ability to work independently in a remote or hybrid setupEducation
Bachelor’s/Master’s degree in Computer Science, Engineering, or related field.

⚠️ 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.

Score my resume against this job, free →