Senior C# API Developer

Naico ITS; India; Remote; INR 900,000 - 1,300,000; Full time

Job summary

Naico ITS is seeking a backend engineer to design, implement, and maintain scalable REST APIs and services using C#/.NET. The role emphasizes PostgreSQL optimization, Redis caching, and AWS SQS for asynchronous messaging.

You will build a modular monolith with strong adherence to SOLID principles, review AI-assisted and human-written code, and ensure robust API security and performance. Docker and AWS deployments are part of daily work.

Qualifications

• Proficiency in C#/.NET stack and ASP.NET Core.
• Experience building RESTful services and backend systems.
• Strong SQL skills with PostgreSQL database design and optimization.
• Hands-on caching with Redis and messaging with AWS SQS.
• Familiarity with Docker and AWS сервисes for deployment.
• Ability to design modular monoliths, applying SOLID principles.

Responsibilities

• Design, develop, and maintain scalable REST APIs and backend services.
• Optimize database schemas, queries, indexes, and transactions.
• Implement caching and asynchronous messaging solutions.
• Develop a modular monolith with clear module boundaries and future scalability in mind.
• Review and maintain AI-generated and human-written code.
• Ensure API security, performance, and maintainability.
• Support Docker-based deployments and AWS services.
• Collaborate with leads and team members to deliver reliable enterprise solutions.

Skills

C#/.NET

ASP.NET Core

REST APIs

PostgreSQL

Redis

AWS SQS

Docker

AWS Cloud

Modular Monolith

SOLID & patterns

AI tooling

Debugging

Tools

Docker

PostgreSQL

Redis

AWS

Job description

Required Skills

• Strong experience in C#, ASP.NET Core, and .NET 8+
• Expertise in REST API development and backend services
• Strong PostgreSQL and SQL skills, including database design and query optimization
• Hands-on experience with Redis caching and AWS SQS
• Knowledge of AWS cloud services and Docker
• Understanding of Modular Monolith Architecture, SOLID principles, and design patterns
• Experience with AI-assisted and agentic development tools
• Strong debugging, problem-solving, and code ownership skills

Key Responsibilities

• Design, develop, and maintain scalable REST APIs and backend services.
• Optimize database schemas, queries, indexes, and transactions.
• Implement caching and asynchronous messaging solutions.
• Develop a modular monolith with clear module boundaries and future scalability in mind.
• Review, test, debug, and maintain AI-generated and human-written code.
• Ensure API security, performance, code quality, and maintainability.
• Support Docker-based deployments and AWS services.
• Collaborate with technical leads and team members to deliver reliable enterprise solutions.

Good to Have

• Experience with CI/CD pipelines, automated testing, monitoring, and production troubleshooting.
• Knowledge of Clean Architecture and Domain-Driven Design (DDD).