Senior Fullstack Developer, Javascript/Java

This is a fully remote position, open to applicants in Argentina.

📋 Description

• Oversee the complete development process of high-impact fintech platforms.

• Architect, code, and deploy web applications that handle high volumes with low latency.

• Maintain consistency in both backend and frontend logic.

• Design and utilize robust REST APIs that integrate with acquirers, local banks, and Alternative Payment Methods (APMs).

• Monitor and optimize backend and database performance to manage significant international financial traffic surges.

• Produce clean, maintainable, and highly testable code through unit and integration testing.

• Incorporate code into automated CI/CD pipelines.

• Work alongside technical teams to integrate AI tools and coding copilots into daily development practices.

• Deliver scalable, high-quality solutions that yield measurable business outcomes.

⛳️ Requirements

• Proficiency in advanced English (both written and spoken) is essential for daily remote collaboration with global teams.

• Extensive and proven experience with Java (Spring / Spring Boot) as the main programming language for the core financial ecosystem.

• Advanced skills in React, JavaScript, TypeScript, and contemporary frameworks.

• Experience with high-performance relational databases such as MySQL or PostgreSQL, including complex query optimization.

• Practical experience with AWS (Amazon Web Services) and container ecosystems (Docker / Kubernetes).

• Strong interpersonal skills: a proactive "Own it" attitude (accountability), adaptability in a dynamic fintech setting, and effective technical communication.

• Additional experience with Node.js or Golang is a plus.

• Familiarity with NoSQL databases, particularly DynamoDB.

• Background in payments or financial systems is desirable.

🏝️ Benefits

• Fully remote work environment.

• Long-term commitment with a focus on autonomy and impact.

• A strategic and highly visible role within a modern engineering culture.

• Collaborative international team supported by strong technical leadership.

• Clear opportunities for growth and leadership within Coderio.

• An inclusive and challenging environment offering genuine growth prospects.

• Competitive compensation.