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 ****, 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.
We're looking for a skilled Java Middleware Engineer to join our growing team at OKTO. This is a fully remote role based in Argentina, supporting the development of scalable payment technologies. If you're passionate about clean code, microservices, and creating impactful solutions, we'd love to hear from you.
Your responsibilities will include but will not be limited to:
Ability to develop new product functionality based on business and technical requirements




Produce performance optimized code that is properly unit tested
Support SIT, UAT and production environments
Apply modern Agile methodologies
Requirements
Excellent academic background. Bachelor or Master's degree in a Computer Engineering field or related area
Proven Working Experience in fintech/ payments
Proven experience 5+ years in middleware application development using Java programming language (at least 1 year using Java 11).
Java 11+ Functional Programming as well as Object-Oriented design (OOD)
Some familiarity with Event-Driven software design patterns
Strong written and verbal communication in English and Spanish
Good technical writing for product requirements, design documents and product specifications
Working with versioning and source control systems (e.g. Git)
Analytical and practical thinking
Team player
Specific experience:
Java 11+ microservices with Spring Boot and Spring Cloud (Netflix OSS)
Spring 5 Framework, OAuth2 Security, JPA persistence and ORM modelling, Restful API design
Proficient understanding of Git code versioning tool
Please submit your CV in english
Benefits
Competitive Compensation
Career Growth
Continuous Learning
Inclusive Environment
Work-from-home
Birthday leave

📌 Mid-Senior Java Software Engineer (Remote - Argentina) - Arg112-Dv (Buenos Aires)
🏢 OKTO PAYMENTS
📍 Buenos Aires