HubMub
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Alongside

.NET Developer

Alongside
Portugal · Full-time · Associate
Alongside is a technology consulting company that supports clients in end-to-end project development, creating specialized teams, and recruiting qualified talent — offering flexible solutions tailored to each organization's needs. We are looking for a skilled .NET Backend Developer to join our team! The main focus will be backend (80%), with regular frontend work (20%), primarily around API integration with React.

Responsibilities:

  • Work mainly on the Domain and Application Layers, implementing complex rules in the utilities sector
  • Implement Command and Query handlers (CQRS)
  • Work with Entity Framework Core, including mappings, migrations, and complex queries
  • Implement REST controllers, API versioning, and authentication/authorization
  • Document contracts and endpoints using Swagger/OpenAPI
  • Configure and maintain background jobs with Hangfire
  • Write unit and integration tests for domain, application, and infrastructure
  • Collaborate with the frontend team to define and evolve API contracts
  • Debug integration issues

Requirements

  • 3+ years of experience with .NET (C#)
  • 2+ years with ASP.NET Core Web API
  • Strong foundations in Clean Architecture, DDD, SOLID, and Design Patterns
  • Proficiency in Entity Framework Core (migrations, queries, performance)
  • Experience with relational databases such as SQL Server

Frontend knowledge (not a developer role requirement, but important):

  • Familiarity with React.js and understanding of TypeScript fundamentals
  • Understanding of React Query for API consumption
  • Basic knowledge of CORS, JWT tokens, and SPA authentication

Nice-to-haves:

  • Experience with Hangfire and distributed systems
  • Familiarity with Event Sourcing or Event-Driven Architecture
  • Experience with RabbitMQ, Azure Service Bus, or other message brokers

Benefits

  • Hybrid model: 3 days per week in the office (Lisbon);
  • Employment Contract;
  • Health Insurance;
  • Meal Card

Key Skills

Ranked by relevance

design patterns typescript sql server rabbitmq reactjs server react sql ddd c
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Country Guide

Portugal

Startup-friendly with strong expat appeal

Posted
Jan 27, 2026
Type
Full-time
Level
Associate
Location
Lisbon
Company
Alongside

Industries

IT Services IT Consulting

Categories

Information Technology

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