Senior Full-Stack C# .Net Developer - Mumbai - thinQ24

Description

Job Title: Senior Full-Stack C# .NET Developer

Location: Hybrid (Mumbai/Pune)

Experience: Minimum 5 - 8 years

Employment Type: Full-time/Contract

Interview Rounds: 2 (1st - HackerRank Online Test, 2nd Face-to-Face in Mumbai/Pune office)

Important Note: Only candidates who have 5+ years of experience, are ok with the interview rounds, and meet the eligibility criteria should apply. Others are kindly requested not to apply.

About thinQ24

thinQ24 is a Software Development company based in Chennai, Tamil Nadu, India. Established in 2019, we specialize in IT Outsourcing, IT Staffing, and Software Development services, catering to clients across the USA, UK, and India. Guided by a forward-thinking approach, we empower startups and businesses with innovative and cost-effective IT solutions. Our passionate team leverages cutting-edge technologies to deliver customized solutions that drive growth and continuously support the success of our customers' brands.

Your key responsibilities

• Develop and enhance C# .NET 8+ applications forming the foundation of the Total Plan platform.
• Collaborate with Product, Data, and Database teams to deliver secure, scalable, and maintainable solutions.
• Apply software design patterns, OOP principles, and SOLID practices to ensure clean and extensible code.
• Build REST APIs, microservices, and event-driven components.
• Work on front-end frameworks (React or Angular) for building interactive and responsive UIs.
• Integrate with SQL Server 2022 databases, optimizing queries and interactions with backend APIs.
• Develop and deploy applications in containerized environments (Docker, Kubernetes), with production deployment on Google Kubernetes Engine (GKE).
• Implement asynchronous messaging and streaming solutions using Google Cloud Pub/Sub.
• Contribute to CI/CD pipelines in Azure DevOps, including automated testing, security scanning, and deployment orchestration.
• Use AI-driven tools and prompt engineering to accelerate coding, testing, and documentation.
• Work closely with Index Research to automate index calculation algorithms for current and upcoming methodologies.
• Proactively identify opportunities to improve processes, stability, and system performance.

Your skills and experience will help you excel

• Strong expertise in C# .NET 8, data structures, concurrency, and multithreading.
• Proficiency with Entity Framework Core and ORM best practices.
• Experience with REST APIs, gRPC, and/or GraphQL service design.
• Exposure to SQL Server 2022 (query optimization, schema design) and understanding of DB-to-application performance.
• Knowledge of front-end frameworks (React, Angular) and modern web development standards.
• Experience with containers (Docker) and Kubernetes orchestration (GKE).
• Hands-on experience with GCP Pub/Sub or other messaging/event systems.
• Familiarity with Azure DevOps pipelines for automated CI/CD workflows.
• Hands-on with AI-driven development tools, MCP server, prompt engineering.
• Familiarity with application performance monitoring and telemetry tools (Sentry, Datadog, or similar APM systems).
• Strong problem-solving and debugging skills.
• Excellent communication skills to articulate solutions clearly to business stakeholders.

Specific Knowledge & Skills

• Deep knowledge of C#/.NET 8, LINQ, generics, attributes, reflection, and IoC containers (Autofac/Unity).
• Experience with low-latency, high-throughput systems.
• Understanding of query optimization, SQL Server monitoring tools, and columnstore storage.
• Expertise in software design patterns, microservices architecture, and event-driven design.
• Cloud-native experience with Google Cloud Platform (GKE, Pub/Sub, Cloud SQL) and Azure DevOps.
• Practical exposure to caching frameworks (Redis, in-memory caching).
• Strong knowledge of system performance tuning, scalability strategies, and observability practices.
• Familiarity with unit testing (xUnit/NUnit), mocking frameworks (Moq), and integration testing.
• Knowledge of security standards (OAuth2, OpenID Connect, JWT, API security best practices).
• Ability to handle production support in demanding environments, including off-hours coverage if required.

Education

BE / BTech (CS / IT), MCA, or MSc (IT)

What we will offer you

• Transparent compensation schemes and comprehensive employee benefits.
• Flexible working arrangements, advanced technology, and collaborative workspaces.
• A culture of high performance and innovation where we experiment with new ideas.
• A global network of talented colleagues who inspire, support, and share expertise.
• Continuous learning opportunities through , LinkedIn Learning Pro, and mentorship.
• Multi-directional career paths with opportunities for growth.
• An inclusive environment supported by Employee Resource Groups (ERGs).

Why You'll Love Working Here

• Be part of a product that's shaping the future of how teams operate and scale.
• Work in an environment that values creativity, ownership, and speed over red tape.
• Collaborate with a passionate, mission-driven team that's building something real — from the ground up.
• Flexible working setup, modern tech stack, and room to innovate every day.

Ready to build something that actually matters?

• Drop your profile at — and let's make it happen.