Pessoa Desenvolvedora Back-end .NET Core Sênior

Jobgether; Brasil; Remote; BRL 180,000 - 300,000; Full time

Benefits offered by this job

Fully remote work

Flexible working hours

Education allowance

Dedicated career development tools

Health insurance and dental coverage

Telemedicine services

Meal and food allowances

Life insurance

Home office allowance

Mobile phone plan allowance

Profit-sharing program

Job summary

Jobgether is seeking a Senior Backend Developer ( .NET Core ) in Brazil for a remote-first role. You will design and implement scalable backend services, create robust APIs, and drive technical decisions across teams.

You will mentor less-experienced developers, contribute to architecture evolution, and uphold security and performance standards in a collaborative culture that values autonomy and continuous learning.

Qualifications

• Proven backend development with .NET Core focusing on performance, scalability, and maintainability.
• Experience designing secure and scalable APIs following OWASP guidelines.
• Strong understanding of data structures and algorithms to optimize systems.
• Experience defining Git versioning strategies and resolving complex merge conflicts.
• Ability to diagnose and fix CI/CD pipeline issues and ensure reliable deployments.
• Proven ability to mentor developers and promote engineering best practices.

Responsibilities

• Collaborate with product and engineering teams to shape product vision and strategic technical decisions.
• Design, develop, and maintain complex backend functionalities using .NET Core.
• Ensure quality and maintainability through code reviews and refactoring.

Skills

.NET Core

API Design

CI/CD

Microservices

Security Best Practices

Mentorship

Tools

Git

CI/CD Tools

OWASP

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Pessoa Desenvolvedora Back-end .NET Core Sênior based in Brazil.

This is an opportunity for a senior backend developer to contribute to the design and delivery of complex, scalable technology solutions in a remote-first environment. You will play an important role in shaping product direction, making technical decisions, and building high-performance backend applications using .NET. The position combines hands-on engineering with architectural contributions, API design, and a strong focus on software quality and security. You will collaborate with multidisciplinary teams, influence development practices, and help improve system architecture and delivery processes. As a technical reference within the team, you will also mentor less experienced developers and promote knowledge sharing. The role offers the opportunity to work in an innovative, collaborative culture that values autonomy, continuous learning, and engineering excellence.

Accountabilities:

• Collaborate with product and engineering teams to shape product vision and contribute to strategic technical decisions.

• Design, develop, and maintain complex, scalable backend functionalities using .NET.

• Ensure the quality and maintainability of software deliveries through code reviews, refactoring, and resolution of code conflicts.

• Design and implement robust, secure APIs, considering integrations with multiple systems, versioning strategies, and security best practices.

• Diagnose and resolve critical issues affecting CI/CD pipelines to maintain reliable software delivery.

• Provide technical guidance and mentorship to less experienced developers, encouraging knowledge sharing and engineering best practices.

• Promote continuous improvement across software architecture, development processes, and engineering standards.

• Contribute to the evolution of microservices architecture and the performance, scalability, and reliability of backend systems.

Requirements:

• Strong professional experience in backend development with .NET, with a focus on performance, scalability, and maintainability.

• Solid knowledge of algorithms and data structures, particularly for optimizing software systems.

• Experience defining Git versioning strategies and resolving complex merge conflicts.

• Ability to diagnose and troubleshoot critical CI/CD pipeline issues.

• Proven ability to design scalable and secure APIs, following OWASP security guidelines.

• Practical understanding of microservices architecture principles.

• Strong problem-solving skills, technical ownership, and attention to code quality.

• Ability to collaborate effectively with multidisciplinary teams and communicate technical decisions clearly.

Additional skills that would be an advantage:

• Practical experience using AI-powered development tools such as Devin, GitHub Copilot, and Claude in daily engineering activities.

• Previous involvement in product co-creation with multidisciplinary teams.

• Advanced knowledge of deployment strategies, including blue-green and canary deployments.

• Familiarity with integrations involving multiple external systems and federated authentication.

Benefits:

• Fully remote work model, with the freedom to work from anywhere.

• Flexible working hours.

• Education allowance.

• Dedicated career development tools.

• Internal guilds, study groups, and communities of interest.

• Health insurance and dental coverage.

• 24/7 telemedicine services.

• Free online therapy.

• Wellhub membership.

• Extended maternity and paternity leave.

• Employee support and assistance center.

• Meal and food allowances.

• Life insurance.

• Transportation allowance.

• Home office allowance.

• Childcare allowance.

• Mobile phone plan allowance.

• Profit-sharing program.

How Jobgether works:

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.