Principal Engineer - Architect I
Published on April 15, 2026
TreviPay is a global fintech that enables online B2B invoicing and payments. We help businesses grow by offering a payment method that provides immediate capital to our clients and their customers for reinvestment into their businesses. We have a strong commitment to building world-class products and culture, and we’re looking to add a curious, value-focused, and innovative individual who loves solving interesting problems. We have a B2B billing platform that is expanding our business opportunities, and you can help build and grow your skills on a team of professionals that share in your passion. Our Application Stack and commonly used technologies: o Ruby on Rails o JavaScript, Vue.js, NodeJS, HTML, CSS o Oracle 19c o Docker, Helm, Kubernetes o Gitlab o AWS Technologies: SNS, SQS, S3, RDS, Lambda What do I need to succeed? o 3+ years of web application development o Experience building reusable UI components that integrate with RESTful APIs o Familiarity with m
TreviPay is seeking a Principal Engineer – Architect I to help build and evolve our core B2B billing and payments platform. This role is ideal for an experienced engineer who enjoys working across the stack, designing scalable APIs, building intuitive user experiences, and contributing to modern, cloud‑native systems that power real‑world financial products used globally.
What You Need to Succeed
- 10+ years of full‑stack web application development experience
- Proven experience designing, building, and maintaining RESTful APIs
- Experience creating reusable, scalable UI components
- Strong understanding of modern build pipelines and development tooling
- Demonstrated experience writing and maintaining automated unit tests
- Experience working in an Agile development environment
- 3+ years of experience working in Unix/Linux environments
Your Background Will Stand Out If You Also Bring
- Ruby on Rails 6+ experience (required)
- Hands‑on experience with modern JavaScript frameworks
- Experience building and deploying applications on AWS (required)
- Experience with Docker and Kubernetes
- Oracle RDBMS experience
- Experience using LLMs and AI‑assisted development tools (e.g., GitHub Copilot, Cursor) to improve development velocity and code quality
Application Stack & Technologies
Our engineering teams work with the following technologies:
- Backend: Ruby on Rails (required)
- Front End: JavaScript (required), Ember.js, HTML, CSS
- Database: Oracle 19c
- Infrastructure & DevOps: Docker, Helm, Kubernetes (working knowledge expected)
- Version Control & CI/CD: GitLab
- AWS Technologies: SNS, SQS, S3, RDS, Lambda