Senior Software Engineer

LeadSquared; Bengaluru; On-site; INR 800,000 - 1,400,000; Full time

Job summary

LeadSquared is seeking a passionate backend developer with strong .NET Core expertise to design scalable, high-performance services powering our applications. You will build robust APIs, services, and microservices, with a view to evolving towards Java-based technologies in the future.

The role requires ownership, clean code, and collaboration with cross-functional teams. You will optimize queries, implement caching and messaging, and prepare for future Java transitions while staying current

Qualifications

• 2–4 years of backend development experience 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 like Redis.
• Experience with message brokers such as RabbitMQ, Kafka, or AWS SQS.
• Hands-on experience with cloud platforms (AWS/Azure/GCP).
• Exposure to analytics, observability, monitoring, and performance tuning.
• Logical thinking and a strong foundation in software design principles.
• Willingness to learn and transition to Java stack over time.

Responsibilities

• Design, develop, and maintain scalable backend services using .NET Core.
• Build and optimise RESTful APIs and microservices.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, efficient, and testable code.
• Optimize database queries and ensure high performance for data-intensive operations.
• Implement caching and messaging solutions for performance and reliability.
• Prepare for and support a future transition to Java-based backend systems.

Skills

.NET Core

C#

ASP.NET Core MVC

Web API

WCF

multithreading

asynchronous programming

SQL

MySQL

SQL Server

query optimization

Redis

RabbitMQ

Kafka

AWS

Azure

GCP

observability/monitoring

software design principles

Java stack transition

Tools

Docker

Kubernetes

CI/CD

Job description

We are looking for a passionate and skilled backend developer with strong expertise in .NET Core to join our 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 applications. A strong sense of ownership, attention to detail, and a commitment to writing clean, maintainable code are essential.

Key Responsibilities

• Design, develop, and maintain scalable backend services using .NET Core.
• Build and optimise RESTful APIs and microservices.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, efficient, and testable code.
• Optimize database queries and ensure high performance for data-intensive operations.
• Implement caching and messaging solutions for performance and reliability.
• Prepare for and support a future transition to Java-based backend systems.

Required Skills & Qualifications

• 2–4 years of 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 like 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.
• Logical thinking and a strong foundation in software design principles.
• Willingness to learn and transition to Java stack over time.

Nice to Have

• Experience with Java, Spring Boot, or other JVM-based technologies.
• Familiarity with containerization (Docker, Kubernetes).
• Understanding of CI/CD pipelines and DevOps practices.