Mid-level Backend Developer

Jobtailor; São Paulo; Presencial; BRL 180 000 - 240 000; Tempo integral

Resumo da oferta

Jobtailor is seeking an experienced Backend Developer to design, implement and scale backend services using C# and .NET in a fast-paced environment. You will build RESTful APIs and GraphQL endpoints, mentor teammates, and help shape system architecture in cross-functional squads.

You will champion code quality through automated tests, reviews, and observability practices, collaborate closely with Frontend, Product, Design and DevOps, and contribute to agile ceremonies to deliver reliable, secure

Qualificações

• Proven experience as a Backend Developer using C# and .NET.
• Extensive experience building RESTful APIs and GraphQL services.
• Strong knowledge of relational and non-relational databases.
• Experience with distributed systems and microservices architecture.
• Proficient with Git and automated testing practices.
• Familiar with Agile methodologies (Scrum/Kanban).
• Ability to make technical decisions and mentor teammates.
• Strong communication and teamwork skills.

Responsabilidades

• Design, develop and maintain scalable backend systems.
• Lead technical decisions and support architecture definitions.
• Develop APIs and distributed services.
• Ensure code quality through automated tests and code reviews.
• Collaborate with cross-functional teams (Frontend, Product, Design, DevOps).
• Identify performance bottlenecks and propose continuous improvements.
• Troubleshoot and resolve complex problems and production incidents.
• Mentor less-experienced developers and contribute to team growth.
• Actively participate in agile ceremonies and technical planning.
• Ensure adherence to security, scalability and observability standards.

Conhecimentos

C#

.NET

RESTful API

GraphQL

Databases

Distributed Systems

Git

Testing & QA

Agile Methodologies

Communication

Mentoring

Ferramentas

Git

Relational/NoSQL databases

Descrição da oferta de emprego

• Design, develop and maintain scalable, secure, high-performance backend systems


• Lead technical decisions and support system architecture definitions


• Develop APIs and distributed services


• Ensure code quality through best practices, automated tests and code reviews


• Collaborate with cross-functional teams (Frontend, Product, Design, DevOps)


• Identify performance bottlenecks and propose continuous improvements


• Troubleshoot and resolve complex problems and production incidents


• Contribute to the team's technical growth by supporting and mentoring less-experienced developers


• Actively participate in agile ceremonies and technical planning


• Ensure adherence to security, scalability and observability standards

Requirements

• Solid experience as a Backend Developer with C# and .NET


• Strong experience developing RESTful APIs and/or GraphQL


• Advanced knowledge of relational and non-relational databases


• Experience with distributed systems architecture and microservices


• Strong knowledge of code versioning (Git)


• Experience with automated testing and software quality practices


• Experience with agile methodologies (Scrum, Kanban)


• Ability to make technical decisions and strong critical thinking skills


• Good communication and teamwork skills

Core Competencies

Demonstrates expertise in designing and developing scalable backend systems using C# and .NET, with a strong focus on RESTful APIs, microservices architecture, and automated testing practices. Proven ability to lead technical decisions, mentor team members, and collaborate effectively in agile environments.

Highest-signal resume keywords

• C#


• .NET


• RESTful API Development


• Microservices Architecture


• Automated Testing

Hard Skills

• Backend Development


• Distributed Systems


• Relational Databases


• Non-Relational Databases


• Code Versioning (Git)


• Agile Methodologies


• Technical Decision Making


• Performance Optimization


• Code Quality Practices


• Troubleshooting

Soft Skills

• Communication


• Teamwork


• Critical Thinking


• Mentoring

Industry Keywords

• Scalability


• Security


• Observability


• Code Reviews


• Cross-Functional Collaboration

Tools & Technologies

• Git


• Agile (Scrum, Kanban)