Digital Payments for the Real World.
Mid-Level Java Developer
Location
Brazil
Posted
50 days ago
Salary
0
Seniority
Mid Level
No structured requirement data.
Job Description
Mid-Level Java Developer
OKTO PAYMENTS
Role Description As a JAVA Developer, you will play a key technical leadership role in architecting, designing, and developing our next-generation payment platform. This position requires deep expertise in distributed systems, Java-based microservices, and high-volume transaction processing. You will be responsible for ensuring the platform meets the highest standards of scalability, security, and reliability while working closely with product, infrastructure, and security teams. This position offers tremendous career growth and the opportunity to make a direct impact in a rapidly expanding international company. Key Responsibilities - Contribute to the development and maintenance of distributed systems, focusing on stability and performance in environments that handle real-time financial transactions. - Participate in the integration of payment gateways, banks, and other payment methods, under the guidance of senior developers or architects. - Assist in the implementation and maintenance of a microservices-based architecture, following guidelines set by the architecture team. - Write and maintain clean and efficient code, including unit tests with good coverage, in accordance with team standards. - Collaborate with team members in code reviews and best practices, continuously seeking technical growth and knowledge sharing. - Work closely with cross-functional teams, contributing to technically sound deliverables focused on scalability and performance. - Support continuous improvement initiatives, reporting recurring issues, suggesting enhancements, and helping to optimize development workflows. - Collaborate with the DevOps team in using CI/CD pipelines and monitoring tools, adhering to established best practices. Qualifications - Bachelor’s degree in Computer Engineering, Computer Science, or a related field. - Hands-on experience in backend software development, preferably in the financial or payments domain. - Basic understanding of payment processing concepts such as payment flows, settlement, and reconciliation. - Proficiency in Java (Java 8+), with experience using Spring Boot for backend development. - Familiarity with AWS cloud services such as EC2, S3, RDS, or Lambda is a strong plus. - Experience with relational databases (e.g., PostgreSQL or MySQL), including basic query optimization and transaction management. - Understanding of event-driven architecture concepts and asynchronous communication patterns. - Exposure to microservices architecture and tools like Spring Cloud, OAuth2, and JPA. - Experience in building RESTful APIs and working with authentication mechanisms like OAuth2 or JWT. - Good working knowledge of Git for version control in collaborative environments. - Ability to document code, write simple technical specs, and follow software design guidelines. - Advanced English communication skills, with the ability to participate in technical discussions and read documentation. Languages - Fluent Portuguese (mandatory). - Advanced English (mandatory). - Spanish (desirable). Requirements - The professional must be located in Brazil. Benefits - Full-time position under a CLT (Brazilian employment law) contract. - 100% working from home. - Competitive compensation – aligned with your experience and the market. - Meal allowance – provided through a prepaid card, with the flexibility to use part of the balance beyond food expenses. - Health and dental plan – no monthly cost for you and your dependents, with comprehensive coverage to take care of your health and well-being. - TotalPass – access to gyms and partner studios, encouraging a healthy and balanced lifestyle.
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