Senior Ruby on Rails Developer
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Job Description
Senior Development Full-Stack Engineer in a fast-growing fintech company. Focused on building secure, scalable financial systems with a collaborative engineering culture.
Responsibilities:
- 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
Requirements:
- 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
Benefits:
- 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
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