Back End Java Engineer

We are looking for a Back End Engineer, with solid experience in Java, based in Buenos Aires to work on a long-term project for one of our clients, a hyper-growth fintech company based in Los Angeles, California.

Our client´s mission is to make financial advice better and more accessible for everyone. They are building a revolutionary platform for financial advisors and their clients to remove the friction from investing and reduce the barrier to entry into wealth creation and management.

• Design, develop, and maintain scalable backend services using Java and Spring Boot.
• Work closely with product managers, frontend engineers, and other stakeholders to translate requirements into technical solutions.
• Build and evolve RESTful APIs and backend components with a focus on performance, reliability, and maintainability.
• Design, optimize, and maintain relational databases (Postgre
  
  SQL or similar), including schema design, indexing, and query optimization.
• Implement business logic, data processing, and integrations with internal and third-party systems.
• Containerize applications and manage deployments using Docker and Kubernetes, including configuration, scaling, and troubleshooting.
• Ensure high code quality through code reviews, unit/integration testing, and adherence to best practices.

• Advanced Level of English.
• 4+ years of experience working with Java.
• 1+ years of experience with Spring Boot.
• 4+ years of experience with Postgres (or a similar SQL database).
• 2+ years of experience with Kubernetes.
• 2+ years of experience with AWS.

Bachelor’s Degree in Computer Science, Systems Engineering or related fields.

• Compensation in USD
• Paid time off
• Cool clients and products
• Work with great engineers

4tech

Thursday, January 29, 2026

Job # 1202