Design, develop, and maintain scalable, high-performance applications and services
Write clean, reusable, and reliable code that supports highly available, high-volume transaction processing systems
Lead the design and implementation of medium to large-scale software features and projects
Participate in the full software development lifecycle, including sprint planning, daily standups, estimation, and retrospectives
Write unit tests and perform code reviews to ensure software quality and maintainability
Design and develop APIs and SDKs to support external developer integrations
Create and maintain technical documentation, tutorials, integration guides, and code samples
Improve performance, scalability, and usability across developer portals and applications
Collaborate with product, engineering, and cross-functional teams to deliver secure and scalable solutions
Embed PCI DSS v4.0 compliance requirements into developer workflows, documentation, and integration practices
Identify opportunities for continuous improvement in engineering processes, developer experience, and platform performance
Research and adopt new technologies, tools, and development practices when appropriate

Strong hands-on experience with Ruby on Rails development
Strong PostgreSQL experience, including database design, query optimization, indexing, and performance tuning
Experience designing and developing RESTful APIs
Experience building and maintaining SDKs and developer tools
Strong technical writing and documentation skills
Experience working in regulated environments such as PCI DSS or similar compliance frameworks
Solid understanding of software architecture, design patterns, and scalable application development
Experience conducting code reviews and implementing automated testing practices
Strong problem-solving and troubleshooting skills
Excellent written and verbal communication skills
Ability to work independently and take ownership of projects
Strong attention to security, performance, and developer experience
Willingness and ability to learn new technologies, programming languages, and AI-assisted development tools

Fully remote – work from anywhere in the Philippines
Work on secure, mission-critical fintech systems
Collaborative and high-performing engineering culture
Opportunity to influence architecture, developer experience, and platform scalability

Senior Ruby on Rails Developer

Key skills