Mid Back End Developer (Node.js)

OKTO’s continuous growth demands high-caliber candidates, who can demonstrate professionalism, passion, and creativity. For those who come on board, we offer significant career advancement, challenges, and a runway for growth.

OKTO powers digital payments for every entertainment, leisure, and gaming environment. Our unified payment platform combines secure, real-world transactions with the most powerful payment technology to create immersive payment experience for both merchants and their users.

Since 2019, OKTO has been improving payment interactions for online and retail gaming and introducing frictionless payments with its local knowledge, sector expertise and international capabilities.

The expanding business now employs over 200 payment experts, gaming insiders and software engineers, serving some of the most exciting international markets including, Brazil, Romania, Italy, Greece, Germany, the UK and Spain.

What You'll Do

• Lead the design and implementation of scalable backend services and high-performance APIs using Node.js, focusing on resilient architecture and long-term maintainability.
• Establish technical standards and best practices for integrating systems within a microservices architecture, ensuring service cohesion and platform scalability.
• Proactively identify performance bottlenecks and propose robust optimization strategies, ensuring high availability, reliability, and observability of services.
• Serve as a technical reference within the team by conducting thorough code reviews and mentoring less experienced developers, fostering team growth and technical maturity.
• Create and maintain comprehensive technical documentation, including architecture decisions and critical business flows, promoting a strong knowledge-sharing culture.
• Collaborate with technical and product stakeholders to define backend solutions aligned with strategic business goals, actively contributing to roadmap decisions.

Requirements

• Advanced proficiency in Node.js and its ecosystem, with proven experience in building complex backend systems.
• Strong background in microservices architecture, including asynchronous communication strategies, API contract management, and versioning.
• Deep understanding of RESTful API design and consumption.
• Experience with both relational (SQL) and non-relational (NoSQL) databases, including efficient data modeling and query optimization.
• Hands-on experience with containerization and orchestration tools in production environments.
• Experience with version control and CI/CD pipelines.
• Expertise in performance tuning, observability practices, and monitoring tools.
• Fluent in Portuguese and located in Brazil.

Benefits

• Competitive remuneration according to your experience.
• Opportunity to work in a fast-paced company.
• Food voucher.
• Health insurance.
• Dental Plan.
• Long-term incentive bonus.