We are seeking a technical reference professional to architect, develop, and evolve high-performance software solutions using modern technologies and enabling strategic integrations with BC Energia Group’s core corporate systems. If you master web applications from front-end to back-end, enjoy solving complex problems, delivering results, and elevating your team to the next level, this opportunity is for you. * Develop and maintain web applications using React.js, Vue 3, and TypeScript; * Develop APIs, backends, and microservices in NestJS or .NET 8+ / C#; * Design and consume REST APIs in a structured and efficient manner; * Implement corporate integrations with SAP B1, Salesforce, RD Marketing/Conversas, ChatWoot, among others; * Build automations and integrated workflows using n8n, Make, or Zapier; * Architect microservices and continuous integration (CI) and continuous delivery (CD) pipelines; * Work with containers (Docker, Kubernetes) and support service orchestration; * Conduct code reviews, propose architectural improvements, and ensure adherence to development best practices; * Implement automated tests (unit, integration, and end-to-end); * Apply Prompt Engineering concepts and integrate generative AI solutions into the corporate environment; * Optimize application performance, security, and scalability; * Document requirements, technical workflows, diagrams, and coding standards; * Work using agile methodologies (Scrum and/or Kanban); * Provide technical guidance to less experienced developers and contribute to the team’s growth.