Dotnet Developer

Sonata Software Overview

In today's market, there is a unique duality in technology adoption. On one side, extreme focus on cost containment by clients, and on the other, deep motivation to modernize their Digital storefronts to attract more consumers and B2B customers.

As a leading Modernization Engineering company, we aim to deliver modernization-driven hypergrowth for our clients based on the deep differentiation we have created in Modernization Engineering, powered by our Lightening suite and 16-step Platformation playbook. In addition, we bring agility and systems thinking to accelerate time to market for our clients.

Headquartered in Bengaluru, India, Sonata has a strong global presence, including key regions in the US, UK, Europe, APAC, and ANZ. We are a trusted partner of world-leading companies in BFSI (Banking, Financial Services, and Insurance), HLS (Healthcare and Lifesciences), TMT (Telecom, Media, and Technology), Retail & CPG, and Manufacturing space. Our bouquet of Modernization Engineering Services cuts across Cloud, Data, Dynamics, Contact Centers, and around newer technologies like Generative AI, MS Fabric, and other modernization platforms.

Job Title: .Net Developer

Location Remote in US

Duration Permanent Employment

Job Description:

We are seeking a seasoned Senior .NET Developer with strong expertise in C# and ASP.NET Core to design, build, and optimize secure, scalable, and highperformance enterprise applications. You will lead endtoend delivery across ar

chitecture, development, testing, deployment, and support while mentoring engineers and partnering with product, QA, and DevOps to deliver business value.

Must Have Skills:

• Expertise in C# with .NET 6/7/8 and ASP.NET Core (Web API, MVC, minimal APIs)
• Strong in ObjectOriented Design, SOLID principles, and common design patterns
• Entity Framework Core, LINQ, and SQL Server (query tuning, indexing, transactions)
• RESTful API design, versioning, pagination, and documentation (OpenAPI/Swagger)
• Microservices fundamentals, interservice communication, and resiliency (circuit breakers, retries)
• Message brokers/queues (Azure Service BRabbitMQ) and distributed caching (Redis)
• Security best practices: OAuth2/OIDC, JWT, secrets management, OWASP Top 10
• Unit/integration testing (xUnit/NUnit/MSTest), mocking frameworks, and test automation
• CI/CD with Azure DevOps/GitHub Actions; branching strategies (GitFlow/Trunkbased)
• Cloud experience in Microsoft Azure (App Service, Functions, Key Vault, Storage, App Insights)
• Containers and orchestration (Docker; Kubernetes basics)
• Excellent debugging, performance profiling, and production troubleshooting skills
• Strong communication skills and experience mentoring developers

Nice to have skills:

• Event streaming (Kafka), gRPC, GraphQL
• NoSQL (Cosmos DB/MongoDB) and polyglot persistence
• DomainDriven Design (DDD), CQRS, and clean architecture
• Infrastructure as Code (Bicep/Terraform) and release strategies (bluegreen/canary)
• Observability: OpenTelemetry, distributed tracing, dashboards, and alerting
• Frontend exposure (Angular/React) for fullstack collaboration
• Agile/Scrum leadership (backlog grooming, estimation, sprint planning)

Responsibilities

• Lead the design and development of scalable, secure ASP.NET Core services and APIs
• Own endtoend delivery: requirements analysis, solution design, coding, testing, and deployment
• Write clean, maintainable, welldocumented code and enforce coding standards through reviews
• Model data effectively and optimize SQL queries, indexes, and transactions for performance
• Implement resilient integrations using messaging, caching, and retry/timeout patterns
• Ensure application security with proper authN/authZ, input validation, and secrets management
• Build comprehensive unit, integration, and contract tests; drive automation in CI/CD pipelines
• Monitor application health and performance; use logs, metrics, and traces to proactively resolve issues
• Collaborate with Product, QA, and DevOps; provide accurate estimates and delivery plans
• Mentor and coach engineers; promote best practices, pair programming, and knowledge sharing
• Contribute to architecture decisions and technical roadmaps; evaluate tools and frameworks
• Support production releases and participate in oncall/incident management as needed

Why join Sonata Software?

At Sonata, you ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what s possible. To build never seen before solutions to some of the world s toughest problems. You ll be challenged, but you will not be alone. You ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

Sonata Software is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity, age, religion, disability, sexual orientation, veteran status, marital status, or any other characteristics protected by law.