**What are we looking for?** **Main responsibilities:** Define best development practices; Program, code, and test systems in the language, working across Front\-End and Back\-End development projects; Carry out the development of complex features; Propose technological improvements to systems. Monitor the implementation of good system development practices. Validate the level of testing present in projects; Validate new application features; Monitor application system performance; Propose technological advancements in systems; Anticipate opportunities and problems, acting quickly and effectively by developing preventive solutions; Assist in guiding newer developers and contribute to project decision-making; Perform system maintenance, making necessary adjustments to meet user needs; Develop assembly, debugging, and program testing tasks, performing maintenance on already developed programs. **Requirements:** Solid experience in development with C\# and .NET Core; Advanced knowledge of relational databases (PostgreSQL, SQL Server); Advanced knowledge of testing (unit, e2e, integration); Experience with messaging tools (AWS SQS, Rabbit...); Experience with observability tools (Datadog, Grafana, Splunk...); Experience with Git for version control; Experience with payment methods Ability to work in a team and good communication skills. **Differentiators:** **Position location:** **Why build your career at Meta?** We offer autonomy, clear goals, and a dynamic and challenging environment where professionals have the opportunity to interact with different technologies, participate in all types of projects, bring new ideas, and work from anywhere in Brazil and (why not?) the world. Additionally, we are one of the best companies to work for in Brazil according to Great Place to Work and one of the 10 fastest-growing companies in the country for three consecutive years, according to the Informática Hoje Yearbook. **What are our values?** * We are people serving people * We think and act like owners * We have a hunger for performance * We grow and learn together * We pursue excellence and simplicity * Innovation and creativity are in our DNA All individuals are welcome regardless of condition, disability, ethnicity, religious belief, sexual orientation, appearance, age, or any other factor. We want you to grow with us in a welcoming environment full of opportunities. Do you identify with this? Then \#ComeBeMeta!