LeadSquared is seeking a Senior Software Engineer - .NET with 3-5 years of experience to design and develop scalable backend services using .NET Core and modern cloud technologies.

About the Company

LeadSquared is a fast-growing SaaS company that empowers businesses to automate their sales and marketing processes. With a strong focus on innovation and scalability, the engineering team at LeadSquared builds high-performance platforms that serve thousands of customers across the globe. The company fosters a culture of ownership, continuous learning, and technical excellence, making it an ideal place for engineers who want to make a significant impact.

Role Overview

We are looking for a passionate and skilled backend developer with strong expertise in .NET Core to join our engineering team. This role is ideal for someone who thrives in building scalable, high-performance services and is open to transitioning into Java-based technologies in the future. You will be responsible for designing and developing robust backend systems, APIs, and services that power our platform. A strong sense of ownership, attention to detail, and a commitment to writing clean, maintainable code are essential qualities we look for.

Key Responsibilities

• Design, develop, and maintain scalable backend services using .NET Core.
• Build and optimize RESTful APIs and microservices.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, efficient, and testable code with a focus on long-term maintainability.
• Optimize database queries and ensure high performance for data-intensive operations.
• Implement caching and messaging solutions for performance and reliability.
• Participate in code reviews and contribute to engineering best practices.

Tech Stack

• .NET Core, C#, ASP.NET Core MVC, Web API, WCF
• MySQL, SQL Server, Redis, RabbitMQ, Kafka, AWS SQS
• AWS (Azure/GCP)
• Docker, Kubernetes
• CI/CD pipelines, DevOps practices

3–5 years of hands-on experience in backend development with .NET Core. Strong programming skills in C#. Experience with ASP.NET Core MVC, Web API, and WCF. Solid understanding of multi-threading, asynchronous programming, and concurrency. Experience with MySQL, SQL Server, or equivalent relational databases. Strong expertise in SQL programming and query optimization for large datasets. Familiarity with caching solutions such as Redis. Experience with message brokers such as RabbitMQ, Kafka, or AWS SQS. Hands-on experience with cloud platforms — preferably AWS, or Azure/GCP. Exposure to analytics, observability, monitoring, and performance tuning. Strong foundation in software design principles and logical thinking. Good to have: Familiarity with containerization tools — Docker and Kubernetes. Understanding of CI/CD pipelines and DevOps practices.

Health insurance, Flexible work hours, Professional development opportunities, Gym reimbursement, Stock options