Job Summary: Cactus is seeking an experienced backend development Tech Lead who is passionate about scalable architectures to lead and mentor engineering teams, ensuring resilience and high performance of our products. Key Highlights: 1. Technical leadership in backend and scalable architectures 2. Mentoring and engineering team development 3. Focus on product resilience and high performance **Who We Are:** Cactus is a company offering a customized White Label platform with strong presence in the Brazilian gaming market. Currently, numerous betting operators utilize its technology. The Cactus platform connects betting operators with banks and game providers, delivering an integrated and efficient solution. **What We’re Looking For:** We seek a technical leader who serves as a reference in backend development, passionate about scalable architectures and enjoys mentoring teams. At Cactus, the Tech Lead not only defines technical direction but also gets hands-on to ensure our products are resilient and high-performing. **Your Key Responsibilities** * Technical Leadership: Guide the development team in selecting technologies, design patterns, and best practices; * Architecture: Develop and maintain distributed systems using PHP (Laravel) and Node.js (TypeScript); * Code Review: Ensure code quality through detailed reviews and promote a testing culture; * Mentoring: Support the technical growth of developers (Junior/Pleno/Senior); * Collaboration: Work closely with Product Managers to translate business requirements into viable technical solutions. * Performance: Monitor and optimize API latency and scalability. **Technical Requirements** * Solid experience with PHP (with emphasis on modern frameworks such as Laravel); * Proficiency in Node.js (preferably with TypeScript and frameworks such as NestJS or Express); * Experience with microservices architecture and messaging-based communication (RabbitMQ, Kafka, or SQS); * Hands-on experience with relational databases (PostgreSQL/MySQL) and non-relational databases (Redis, MongoDB); * In-depth knowledge of DevOps practices (Docker, Kubernetes, CI/CD); * Prior experience leading squads or end-to-end complex projects; experience with cloud ecosystems (AWS); * Contributions to Open Source projects; * Familiarity with Agile methodologies (Scrum/Kanban). **Our Benefits** Meal/Voucher Card via Caju, with full flexibility on usage; Flexible Mobility Allowance (via Caju); Health and Dental Insurance; ️‍ ️ Wellhub (Gympass) for physical health care — fully covered by the company, including dependents; Conexa Saúde; Psicologia Viva – Sessions with psychologists (unlimited sessions); Childcare Allowance; Extended Leave: extended maternity and paternity leave; Support for Children with Special Needs; Home Office Allowance; Birthday Day Off.