👨🏻‍💻 postech.work

Backend Developer (C#/.NET Core) - Brazil

ShipHaven • 🌐 In Person

In Person Posted 1 day, 12 hours ago

Job Description

Job Overview

Join our team to build the core services of a new software platform. You will design, implement, and scale back-end systems in C#/.NET Core, collaborating with senior and junior developers from concept to deployment. Experience with AI-assisted development and cloud environments is strongly preferred.

Responsibilities

Design, develop, and maintain back-end services and data pipelines.

Define, build, and ship features with senior and junior developers.

Build and maintain RESTful and/or GraphQL APIs.

Integrate with third-party APIs and maintain existing integrations.

Explore and implement AI-driven capabilities to improve automation and platform intelligence.

Write clean, efficient, maintainable C# code with best practices.

Ensure performance, scalability, observability, and security.

Participate in code reviews and give actionable feedback.

Troubleshoot and debug production issues for high availability and reliability.

Requirements

5+ years of back-end experience, with a focus on C#.

Expertise in .NET Core for service/API development.

Hands-on experience with MS SQL Server.

Strong Git proficiency and branching workflows.

Familiarity with cloud environments, preferably Microsoft Azure.

Proven experience building and maintaining RESTful and/or GraphQL APIs.

Solid understanding of resiliency patterns, responsive performance on the server side, and accessibility considerations for API consumers.

Strong problem-solving skills and attention to detail.

Familiarity with AI tools and APIs (e.g., ChatGPT, GitHub Copilot, ML/AI APIs).

Nice-to-Have

Experience with automated testing frameworks (unit, integration, contract).

Familiarity with DevOps and CI/CD pipelines.

Experience applying ML models or integrating AI-powered services.

Familiarity with Agile methodologies.

Job Type: Full-time

Application Questions

How many years of experience do you have in back-end development?

How many years of experience do you have with C# and .NET Core?

How many years of experience do you have with MS SQL Server?

On a scale of 1–10, how comfortable are you using Git for version control?

On a scale of 1–10, how familiar are you with AI-assisted development tools (e.g., GitHub Copilot, ChatGPT)?

Have you built and operated RESTful and/or GraphQL APIs? (Yes/No)

On a scale of 1–10, how comfortable are you implementing AI-powered features using APIs or SDKs?

Do you have experience deploying and operating services on Azure? (Yes/No)

Briefly describe a production incident you diagnosed and fixed. What changed as a result?

Job Type: Full-time

Pay: R$4,000.00 - R$8,000.00 per month

Application Question(s):

How many years of experience do you have in back-end development?

How many years of experience do you have with C# and .NET Core?

How many years of experience do you have with MS SQL Server?

On a scale of 1–10, how comfortable are you using Git for version control?

On a scale of 1–10, how familiar are you with AI-assisted development tools (e.g., GitHub Copilot, ChatGPT)?

Have you built and operated RESTful and/or GraphQL APIs?

On a scale of 1–10, how comfortable are you implementing AI-powered features using APIs or SDKs?

Do you have experience deploying and operating services on Azure? (Yes/No)

Briefly describe a production incident you diagnosed and fixed. What changed as a result?

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