Sr Fullstack Engineer (remote Or Hybrid Model) - Brazil

Senior Fullstack Engineers

Na Workana, we are looking for Senior Fullstack Engineers to join the team of one of our clients and take on a strategic role in the development of internal tools and backoffice systems.

About the client:

It is a platform that manages highly complex logistics flows, operating in multiple regions and high-volume environments. Operating under a competitive ROWE – Results-Only Work Environment, we seek people who challenge traditional thinking, propose new ideas, and help redefine how modern operations are built and scaled.

About the positions:

• We have 5 open positions for this role:
• 3 positions in a 100% remote model.
• 2 positions in a hybrid model, with a requirement of 3 days of in-office work per week in the city of São Paulo/SP.
• Important: When applying, you can indicate your preference for the hybrid position, the remote model, or both.

About the project:

The professional will have a strategic role in technical decisions, in defining robust architectures, and in delivering functionalities that drive our operations in dozens of cities. The platform has evolved to handle highly complex logistics flows, and the engineering team faces exciting challenges every day. We are looking for someone who goes beyond technical excellence: who writes high-level code, leads impactful initiatives, mentors colleagues, and actively contributes to shaping the future of our systems.

Main Responsibilities:

• Lead the implementation of robust frontend modules and micro-frontends for our internal platform.
• Design and maintain the backend architecture and logic using Node.js, Express and MySQL.
• Participate in system design discussions and technical decision-making.
• Propose and implement improvements across the stack with a focus on performance and scalability.
• Ensure code quality by following best practices, reviews, and automated tests.
• Collaborate closely with Product, Design and Operations teams to understand and solve real user problems.
• Provide technical guidance and mentorship to other engineers.

Required Qualifications:

• Bachelor’s degree in Computer Science or equivalent experience.
• Minimum 5 years of professional experience as a fullstack developer.
• Proficiency in Node.js and Express, including asynchronous design and REST APIs.
• Strong command in React.js (Context API, hooks, custom components, state management).
• Solid experience with MySQL. Elasticsearch is a plus.
• Experience integrating mapping libraries (Google Maps, Mapbox).
• Comfortable working with Firebase for storage.
• Knowledge of AWS (S3, Lambda).
• Ability to architect scalable, secure, and easy-to-maintain systems.
• Fluency in writing clean, testable, and well-documented code.
• Good communication, team spirit, and proactive attitude.
• Availability to participate in a technical on-call rotation, covering night shifts and high demand periods.
• Flexibility to work on paid overtime, in case of technical incidents.

Desired Qualifications:

• Knowledge and use of Typescript.
• Experience with logistics or complex operational platforms.
• Fluent English (spoken and written).

Contractual Terms and Benefits:

• Work model: 100% remote.
• Schedule: Full-time (8 hours per day).
• Remuneration: Between R$ 12,000.00 and R$ 16,000.00 monthly.
• Contract: PJ via cooperative, directly with the client.
• Stability: Possibility of long-term partnership.
• Paid day off on birthday.
• 5 days of Paid Time Off per year, in addition to vacation period.
• Multicultural environment, with learning opportunities alongside teams from various countries in the region.

Selection Process:

1. Short Video Screening on Hireflix platform.
2. Short Call with Workana Recruiter.
3. Technical and Cultural Interview with the client.
4. Technical Test with the client.

If you are interested in this project and think you are the right person, we await your application. If you are selected to continue, someone from the Workana Talent team will contact you!