Backend Developer - Microservices Architecture

Role & responsibilities

Backend Development

• Design and develop scalable RESTful APIs using

  ASP.NET Core 8.0

  following

  Clean Architecture

  principles.
• Implement

  microservices

  with clearly defined service boundaries and domain models.
• Apply

  CQRS pattern

  using MediatR for command/query separation.
• Build rich domain logic using

  Domain-Driven Design (DDD)

  practices.
• Develop repositories and data access layers using

  Entity Framework Core

  .

Event-Driven & Distributed Systems

• Implement asynchronous communication between services using

  RabbitMQ

  .
• Integrate

  Ocelot API Gateway

  for routing, load balancing, and authentication flows.
• Work with

  Redis caching

  , in-memory cache, and event-driven workflows.

Database Engineering

• Design, optimize, and maintain

  PostgreSQL

  schemas and

  TimescaleDB

  structures.
• Write efficient SQL queries, manage EF Core migrations, and implement a

  database-per-service

  approach.
• Optimize database performance through indexing, caching, and query tuning.
  

System Architecture & Best Practices

• Follow SOLID principles, separation of concerns, and modular design.
  
• Implement custom middleware for logging, exception handling, security, and performance monitoring.
  
• Use

  FluentValidation

  and

  AutoMapper

  for validation and mapping layers.

Integration & Communication

• Implement synchronous communication using

  HTTP clients

  .
• Build real-time features using

  SignalR

  .
• Integrate third-party APIs such as

  Twilio

  and

  SendGrid

  .

Testing & Quality Assurance

• Write unit tests using

  xUnit

  ,

  Moq

  , and

  FluentAssertions

  .
• Perform integration testing and participate in code reviews.
  
• Ensure high code quality, code coverage, and production-grade error handling.
  

DevOps & Deployment

• Work with

  Docker

  and

  Docker Compose

  for containerized development.
• Assist in deploying microservices to dev/staging/production environments.
  
• Configure application health checks, monitoring, and environment-specific setups.
  
• Collaborate with the team on CI/CD processes.
  

Collaboration & Support

• Work closely with frontend, DevOps, and QA teams to deliver end-to-end solutions.
  
• Troubleshoot production issues and provide timely resolutions.
  
• Mentor junior developers when needed.

Preferred candidate profile

Experience

• 3 - 5 years

  of hands-on experience in backend development using

  .NET (6/7/8)

  .

• Fullstack Developers

  with experience in

  React

  can also apply.
• Strong background in building and deploying

  microservices

  and distributed systems.

Technical Expertise

• Proficient in

  C#

  ,

  ASP.NET Core

  , and

  REST API development

  .
• Strong understanding of

  Clean Architecture, DDD, CQRS

  , and modern backend design patterns.
• Experience with

  Entity Framework Core

  and

  PostgreSQL

  (SQL Server experience also acceptable).
• Practical knowledge of

  RabbitMQ

  ,

  Redis

  , and

  Docker

  .
• Good knowledge of

  JWT/OAuth2

  ,

  Serilog

  , and

  Swagger/OpenAPI

  .
• Experience working with

  Git

  and containerized development workflows.

Database Skills

• Strong SQL query writing, indexing, optimization, and schema design skills.
  
• Experience with EF Core migrations and versioned database development.
  
• Knowledge of time-series databases (TimescaleDB) is a plus.
  

Testing & Quality

• Hands-on experience with

  xUnit

  ,

  Moq

  , integration testing, and TDD principles.
• Strong focus on writing clean, maintainable, and testable code.
  

Soft Skills

• Excellent problem-solving and debugging abilities.
  
• Strong communication and teamwork skills.
  
• Ability to work independently and collaboratively in agile environments.
  
• Attention to detail and commitment to high-quality engineering.
  
• Willingness to learn new tools, techniques, and technologies.
  
• Ability to mentor junior developers is a plus.