• Own your sprint commitments end-to-end — take work from assignment to completion with minimal intervention, and flag blockers early rather than letting them linger. • Define and implement backend solutions by analyzing requirements, selecting appropriate tools, and building with .NET, C#, Entity Framework, and related technologies. • Develop and integrate APIs and data layers with security in mind, ensuring seamless interaction with other systems. • Coordinate with front-end developers to align user interfaces with backend operations. • Build familiarity with the broader codebase beyond your immediate task area. • Participate meaningfully in code reviews — contribute constructive feedback and seek it out on your own work. • Engage actively in team ceremonies: standups, planning, retrospectives, and design discussions. • Deliver sprint commitments reliably, understanding that your work contributes directly to outcomes clients depend on.

• Serve as a senior team member contributing to and helping guide the delivery of high quality software products. • Assume ownership and responsibility of all work, and drive it to completion. • Collaborate with technical and non-technical team members to ensure rapid delivery of software products. • Provide contributions to architecture and design decisions that have a major impact on the overall system scalability and performance. • Champion software engineering best practices, including code reviews, testing, documentation, and code quality standards. • Lead by example, demonstrating a commitment to excellence, professionalism, and collaboration in all aspects of software development and team interactions.

• Build and maintain a full stack web application using React • Develop and integrate REST APIs, webhooks, and third party services such as Stripe • Design and manage PostgreSQL databases • Implement secure authentication and authorization systems • Ensure high performance for live, transaction based applications • Sync data seamlessly between web and mobile platforms • Maintain strong security practices around financial and sensitive user data • Collaborate in a startup environment with a small, fast moving team

• Projetar e implementar **produtos e sistemas fullstack** voltados à alavancagem de crescimento (ex: landing pages dinâmicas, automações de aquisição, ferramentas para vendas internas e CRM, experimentos A/B). • Trabalhar **lado a lado com stakeholders internos** (Growth, Data, Marketing, CX, Produto) para identificar oportunidades técnicas com impacto direto no funil de vendas. • Construir e manter **sistemas distribuídos**, integrando serviços internos e APIs externas com confiabilidade e performance. • Ser **referência técnica para o time**: tomar decisões de arquitetura, revisar PRs, compartilhar boas práticas e manter um código limpo e sustentável. • Conduzir iniciativas do zero com autonomia, priorizando problemas de maior impacto e mensurando resultados com clareza. • Manter alto padrão de engenharia: **testes automatizados, observabilidade, documentação, performance, segurança e resiliência**. • **Construir monitoramento e alertas**, participar de escalas de **on-call** e atuar na resposta a incidentes, com foco em aprendizado e melhoria contínua.