R&D Programmer - Mumbai western suburbs - 3 to 4 years

**Job Title:** .NET Core R&D Programmer **Location:** Kandivali (West), Mumbai **Employment Type:** Full-Time **Experience:** 3–4 years **About the Role** Looking for a hands-on .NET Core Programmer who genuinely loves coding, problem-solving, experimentation, and R&D — not a routine developer focused on bug-fixing or basic APIs. Ideal candidate goes deep into tech, explores different approaches, and independently solves challenging technical problems. **Key Responsibilities** - Design, develop, and maintain applications using C#, .NET Core / .NET 8 - Perform R&D and technical investigation for complex/unexplored problems - Build POCs and evaluate approaches before final implementation - Analyze performance, memory, threading, concurrency, DB performance, and architecture - Write clean, scalable, maintainable code - Debug by finding root cause, not applying quick fixes - Explore new frameworks/tools/technologies - Contribute to architectural and design decisions - Build reusable components/frameworks/utilities - Refactor and optimize existing applications **Qualifications & Skills** - 3–4 years strong hands-on C# and .NET Core experience - Genuine passion for programming and R&D - Strong logical/analytical problem-solving skills - Comfortable researching independently - Willing to go beyond documentation to understand internals - Comfortable writing code from scratch, not just using libraries - Strong grip on OOP, SOLID, design patterns, multithreading, async/await, exception handling - Good SQL Server / database programming knowledge - Understanding of performance, debugging, logging, memory management - Able to work independently and own technical problems **Technical Skills** C#, .NET Core / .NET 8, OOP, LINQ, EF Core / , SQL Server, REST APIs, Multithreading/Async-Await, Debugging & Performance Optimization, Version Control **Good to Have** Windows/Background Services, WinForms/WPF, TCP/IP/Socket Programming, Modbus/Industrial Communication, OPC/PLC, Real-time data processing, Windows APIs, Docker, Message Queues, Industrial automation/manufacturing/pharma experience **Soft Skills** Strong communication, analytical thinking, teamwork, customer-oriented mindset **Note:** Candidates residing on the western line of Mumbai preferred for ease of commute. Want this as a downloadable Word doc, or should I keep it chat-format for now? BE in IT or equivalent hiring for our client in Mumbai