Desenvolvedor C# - Sênior

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Desenvolvedor C# - Sênior based in Brazil.
We are looking for a Senior C# Developer to design, develop, maintain, and optimize critical backend systems supporting health insurance providers. In this role, you will build and integrate APIs, improve application performance, and ensure the reliability and stability of essential business systems. You will contribute to database modeling, query optimization, and the resolution of complex technical issues. Working in an agile, collaborative environment, you will also help translate business needs into technical requirements and actionable development tasks. This is an opportunity to make a meaningful impact through robust software solutions while contributing to continuous improvement and technical excellence.
Accountabilities
Backend Development: Develop, maintain, and enhance applications using C# and the .NET ecosystem, with a focus on backend systems serving health insurance providers and self-managed healthcare plans.
API Development and Integration: Build, integrate, and maintain REST and SOAP APIs to ensure reliable communication and data exchange between systems.
Application Support and Troubleshooting: Investigate application failures, identify root causes, fix bugs, and maintain the stability and reliability of critical systems.
Performance Optimization: Identify opportunities to improve existing applications, optimize system performance, and enhance the end-user experience.
Database Design and Management: Model data, create optimized SQL queries, and develop database structures aligned with evolving business requirements.
Technical Requirements and Planning: Collaborate with stakeholders and development colleagues to define technical requirements for new features and system improvements.
Task Breakdown and Agile Delivery: Translate requirements into smaller, clearly defined development tasks that support effective planning, prioritization, and execution within the team.
Requirements
C# and .NET Experience: Solid professional experience developing applications with C# and the .NET ecosystem.
Backend Web Development: Practical experience designing, building, and maintaining backend components for web applications.
ORM Tools: Experience using object-relational mapping tools to manage data access and interactions with databases.
SQL and Database Skills: Strong working knowledge of SQL, including writing queries and supporting database development and optimization.
Frontend Technologies: Experience with JavaScript, HTML, CSS, and jQuery.
Software Architecture: Knowledge of the Model-View-Controller (MVC) pattern and applications that use dependency injection.
Agile Methodologies: Familiarity with agile development practices, including Scrum and Kanban.
Education: A degree or ongoing studies in Information Systems, Software Engineering, Computer Science, or a related field are desirable.
Additional Technical Skills: Experience with Knockout or other frontend frameworks, Node.js, Delphi, Oracle databases, mobile development, or technologies such as Autofac, Castle Windsor, and NHibernate is an advantage.
Healthcare Domain Knowledge: Familiarity with health insurance operations, Brazilian regulatory requirements from the ANS, or the TISS healthcare information exchange standard is desirable.
Collaboration and Problem-Solving: Ability to investigate complex technical issues, communicate effectively, collaborate across teams, and contribute to practical solutions in an agile environment.
Benefits
Remote Work: Fully remote working arrangement.
Healthcare Coverage: Medical and dental assistance.
Meal Allowance: iFood Multibenefícios meal allowance card.
Performance-Based Profit Sharing: Participation in the annual profit-sharing program, subject to company targets.
Mental Health and Well-Being: Access to Wellz mental health and well-being services.
Fitness and Wellness: Wellhub partnership offering access to gyms and wellness activities.
Childcare Support: Childcare allowance.
Life Insurance: Life insurance coverage.
Learning and Education Discounts: Partnerships and discounts with educational institutions and language schools.
Professional Development: Access to a corporate university with professional development learning paths.
Online Learning: Access to the Alura learning platform, subject to availability.
Pharmacy Benefit: Pharmacy partnership available in Belo Horizonte and the surrounding metropolitan area.
Inclusive Workplace: An environment that welcomes diverse professionals and supports equal opportunities.
Compensation: Salary details were not disclosed in the original job posting.
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!
Why Apply Through Jobgether?
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.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Work arrangement
Yes