Senior Software Engineer

HappieHire; Bengaluru; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Happiehire is seeking a Senior Software Developer with strong C#, WPF and MVVM experience to design and build scalable desktop applications. You will apply SOLID, DI and clean architecture to deliver maintainable, testable, and high-performance software.

You will design robust UI, integrate DI frameworks, write unit and integration tests, and review code, contributing to architecture. The role also involves deploying and configuring SPMs at customer sites to ensure systems run reliably.

Qualifications

• 5–12 years of software development experience in C#/.NET.
• Strong knowledge of WPF and MVVM architecture.
• Solid understanding of SOLID, DI, and clean architecture.
• Experience with Unity, Autofac or .NET Core DI.
• Experience with Entity Framework and LINQ.

Responsibilities

• Design, develop, and maintain WPF desktop applications using C# and MVVM architecture.
• Implement and enforce SOLID principles and best coding practices for maintainable software design.
• Integrate and manage Dependency Injection (DI) frameworks such as Unity, Autofac, or .NET Core DI
• Work closely with UI/UX teams to deliver modern, responsive, and intuitive user interfaces.
• Write clean, efficient, and testable code, including unit tests and integration tests.
• Participate in code reviews, contribute to architectural discussions, and suggest process improvements.
• Troubleshoot, debug, and optimize performance across different modules.
• Maintain technical documentation and follow agile development methodologies.
• Deploy SPMs (Special purpose machines or Robotic machines) at customer sites and bring the machines up to working condition.

Skills

C#

.NET

SOLID principles

OOP

Unit testing

Tools

Unity

Autofac

.NET Core DI

Entity Framework

LINQ

Job description

Job Title: Senior Software Developer – C# / WPF / MVVM

Experience: 5 to 12 Years

Employment Type: Full-time

About the Role:

We are seeking a passionate and experienced Software Developer with strong expertise in C#, WPF, and MVVM architecture to design and develop scalable desktop applications. The ideal candidate should have a solid understanding of software design principles (SOLID), dependency injection (DI), and experience in building maintainable, testable, and performant applications.

Key Responsibilities:

• Design, develop, and maintain WPF desktop applications using C# and MVVM architecture.
• Implement and enforce SOLID principles and best coding practices for maintainable software design.
• Integrate and manage Dependency Injection (DI) frameworks such as Unity, Autofac, or
• Work closely with UI/UX teams to deliver modern, responsive, and intuitive user interfaces.
• Write clean, efficient, and testable code, including unit tests and integration tests.
• Participate in code reviews, contribute to architectural discussions, and suggest process improvements.
• Troubleshoot, debug, and optimize performance across different modules.
• Maintain technical documentation and follow agile development methodologies.
• Deploy SPMs (Special purpose machines or Robotic machines) at customer sites and bring the machines up to working condition.

Technical Skills Required:

• Languages: C#, .NET (Core or Framework)
• Design Principles: SOLID, OOP, and clean architecture
• Dependency Injection (DI): Experience with Unity, Autofac, or .NET Core DI
• Data Access: Entity Framework, LINQ

Value-Added / Preferred Skills:

• Exposure to industrial automation systems
• Experience integrating hardware interfaces such as I/O modules, Servo drives, PLCs, IPCs,
• Dispencer, Auto Screwdrivers and Lasers
• Knowledge of communication protocols (e.g., TCPIP, Modbus, EtherCAT, OPC-UA)
• Familiarity with real-time data processing and machine control applications

Soft Skills:

• Strong analytical and problem-solving skills
• Excellent communication and collaboration abilities
• Self-motivated with attention to detail
• Ability to work in agile and fast-paced environmentsAmbiguity and chaos are the new normal