Backend Developer – Rest API Specialist at KORE RPO | Torre

Backend Developer – Rest API Specialist

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Full-time

Legal agreement: Employment

Compensation
USD2k - 3k/month
Negotiable
location_on
Remote (for Mexico residents)
Remote (for El Salvador residents)
flightsmode
Visa sponsorship: No
Posted about 1 year ago

Responsibilities


We’re looking for a Back-End Developer, ideally with some front-end experience, to join our fast-growing, mission-driven startup. This role is ideal for someone who thrives in lean, dynamic environments and wants to make a high impact on both our platform and client integrations. What You’ll Do * Design, develop, and maintain REST APIs for our platform and clients. * Integrate with partner systems (ATS, HRIS, background check providers, etc.) using REST APIs and webhooks. * Build and launch fraud detection products and features. * Enhance internal tools and client-facing interfaces. * Improve performance, scalability, and maintainability across our stack. * Collaborate cross-functionally to deliver secure, reliable, and scalable solutions. Current Tech Stack * Front-End: PHP 7.1 (CodeIgniter 2), Angular 1.4, jQuery. * Back-End: Java 11, Spring 4, Hibernate 5, Tomcat 9, MySQL 5.7. Upcoming Tech Stack * Front-End: PHP 8.3 (CodeIgniter 4), Angular 1.4, jQuery 3.7. * Back-End: Java 22, Spring Boot 3.3, Hibernate 6, Tomcat 10, MySQL 8. What We’re Looking For * Proven experience designing, building, and maintaining REST APIs (Java + Spring Boot strongly preferred). * Hands-on experience integrating third-party APIs and building secure, robust endpoints. * Strong background in Java, Spring Boot, MySQL, and RESTful services. * Solid understanding of API security (OAuth2, JWT, API keys). * Experience in performance optimization, scalability, and clean code practices. * Ability to work independently and communicate effectively in a remote-first team. * Bonus: Experience with front-end frameworks such as PHP (CodeIgniter) or jQuery. * Availability for 5–6 hours of overlap with U.S. working hours. Required Qualifications * Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience. * Proven experience as a Backend Developer delivering production-grade applications. * Strong problem-solving skills, attention to detail, and ability to manage complex technical projects. * Excellent teamwork and communication skills. Location * 100% remote, open to global candidates, with preference for those able to overlap with U.S. hours (5–6 hours/day). Perks * Fully remote role with global flexibility. * High-impact position at a mission-driven startup. * Room to grow and shape our technology and product roadmap.