Javascript Component Framework Engineer

About the role

This role is for a Javascript Component Framework Engineer at pmtbox, a fintech platform managing payments-related risk, fraud, chargebacks, card declines, and operational workflows for retail clients. The position involves building systems and reusable frameworks, thinking deeply about developer experience and maintainability, and using AI as a force multiplier in development workflows.

Responsibilities

• Design and build reusable Javascript component systems and frontend architecture, including user experiences and tactile visualization components
• Develop scalable UI frameworks that support complex operational workflows
• Create internal frontend tooling and developer experience improvements
• Build highly interactive interfaces for enterprise operations and payments workflows
• Partner closely with full stack engineers across Rails/Postgres systems
• Improve frontend testing and application infrastructure
• Build integration widgets and customer-facing operational tooling
• Use and refine AI-assisted development workflows and tools
• Contribute to architectural decisions as our platform and intelligence layers grow in size and scope

Requirements

• Strong experience building modern Javascript applications and component systems
• Can design reusable, scalable frontend architecture rather than just individual screens
• Think beyond coding and into systems, workflows, maintainability, and developer experience
• Can show things you’ve built yourself: frameworks, design systems, side projects, automation tooling, GitHub projects, or internal tooling work
• Care deeply about clean architecture, supportability, usability, performance, and scalability
• Are curious about how AI changes how software gets built

Qualifications

• Have experience with AI-assisted development workflows
• Can demonstrate a project where AI assistance measurably changed your development speed or approach
• Support AI workflows with scripts, tooling, validation, or structured context
• Knowledge of how to feed context and data into AI tools to improve output quality
• A workflow you built to validate or test AI-generated output
• Situations where AI failed confidently and how you built safeguards around it

Skills

• Modern Javascript / Typescript
• Modern component-based frontend frameworks
• Ruby / Rails / Postgres / Redis
• AI-assisted development workflows
• Modern cloud infrastructure and frontend testing and CI/CD workflows

Benefits

• Competitive compensation and benefits package including enterprise-level medical, dental, vision, 401(k), and generous time off
• Early-stage fintech with real momentum and VC-backing by Tandem Ventures (Founders of fintech unicorns Divvy, Finicity, etc.)
• Work on meaningful ecommerce and payments infrastructure and build alongside founders and experienced operators in a five-days-a-week in-office culture
• Opportunity to help shape frontend architecture and engineering systems as the company scales

Pay

• Competitive salary based on experience and qualifications

Schedule

• Full-time, in-office position