Technical Lead Developer

Description

Job Summary: We are seeking a Hands-On Tech Lead to lead architecture, ensure system stability, and guide technical development in an agile and challenging environment. Key Highlights: 1. Technical and architectural leadership in a dynamic environment 2. Active development with a focus on scalability and performance 3. Engineering culture centered on AI, autonomy, and speed Rocket is a digital-market company operating since 2018, specializing in the development and sale of digital information products, online processing solutions, and entertainment. Our culture values practical delivery and scalability: we work to rapidly transform ideas into profitable products at high velocity. We seek candidates motivated by real technical challenges, minimal bureaucracy, and who understand that code performance directly impacts operational success. We are looking for a Hands-On Tech Lead who will serve as the vanguard of our technology. Your mission will be to safeguard the architecture of our solutions, ensure stability under high traffic volumes, lead technical execution, and supervise and mentor junior team members. **As a Hands-On Tech Lead, you will be responsible for:** * **Active Development**: Directly implementing and coding complex features and scalable tools. * **Architecture and Scalability**: Defining and protecting system architecture to support high traffic volumes and ensure stability. * **Leadership and Supervision**: Providing technical guidance to team developers, including supervision and mentoring of junior developers. * **Process Organization**: Structuring squad development routines, establishing organizational standards and workflows for scalability. * **Problem Solving**: Identifying and resolving critical infrastructure failures and highly complex bugs requiring senior-level insight. * **Automation and Integration**: Leveraging artificial intelligence and automation as force multipliers to accelerate deliveries. **Requirements:** * **Scalability Experience**: Proven track record in projects supporting large-scale access volumes and data processing. * **Hands-On Profile**: Strong technical capability to write high-complexity code while leading technical strategy. * **Modern Stack Proficiency**: Solid experience with Node.js, React, and Next.js. * **Multilingual Development**: Practical knowledge of Python and Django to address diverse ecosystem demands. * **Cloud Infrastructure Management**: Experience with Google Cloud (GCP) and Firebase to ensure application stability and scalability. * **Architectural Mastery**: Ability to organize project structures to facilitate collaborative work and onboarding of new developers. **What We Expect From You:** * **Agility**: Ability to deliver solutions and prototypes within short timelines to validate market opportunities. * **Resilience**: Presence and decisive action during system instability. * **Business Acumen**: Understanding that technology serves revenue generation and user experience, prioritizing speed when necessary. * **Transparency and Collaboration**: Working closely with founders to align technical strategy with company goals. **Engineering Team Culture:** * Daily meetings focused on productivity. * Absolute focus on performance and loading speed. * Strategic use of artificial intelligence (AI) throughout the development lifecycle. * Autonomy to propose the best tools for each challenge. Job Type: Freelance / PJ Contract Duration: 12 months Compensation: R$12.000,00 \- R$15.000,00 per month Selection Question(s): * Requirements Work Location: On-site Expected Start Date: 01/26/2026