Senior Software Engineer - .NET

LeadSquared; Bengaluru; On-site; INR 1,200,000 - 2,100,000; Full time

Job summary

LeadSquared in Bengaluru (India) is seeking an experienced Backend Developer with strong expertise in .NET Core to join our engineering team. You will design and build scalable backend services, APIs, and microservices powering our platform, while emphasizing clean, maintainable code and ownership.

The role offers opportunities to work on high-performance data-intensive systems, optimize queries, and collaborate with cross-functional teams.

Qualifications

• 3–5 years of hands-on backend development with .NET Core.
• Proficient in C# and ASP.NET Core MVC, Web API, and WCF.
• Strong SQL skills with performance optimization for large datasets.
• Experience with Redis caching and message brokers (RabbitMQ, Kafka, AWS SQS).
• Experience with cloud platforms (AWS, Azure, or GCP).
• Familiarity with observability, monitoring, and performance tuning.
• Strong foundation in software design principles and logical thinking.

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.

Skills

.NET Core

C#

ASP.NET Core MVC

Web API

WCF

Multi-threading

Asynchronous programming

SQL programming

Query optimization

Caching concepts

Observability

Performance tuning

Software design principles

Tools

Redis

RabbitMQ

Kafka

AWS

Azure

GCP

Docker

Kubernetes

Job description

THE ROLE

We are looking for a passionate and skilled backend developer with strong expertise in .NET Core to join our engineering team at LeadSquared. 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.

Required Skills & Qualifications

• 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.