Front-End Integrations Developer

pmtbox•Orem, UT

4d•Hybrid

About The Position

pmtbox is seeking a Front-End Integrations Developer to enhance its value proposition for merchants by embedding its technology into originating systems. This role involves understanding merchant checkout and payment flows, identifying integration points, and building reliable connections between various ecommerce platforms, payment gateways, and pmtbox services. Initially, the focus will be on building and maintaining integrations with platforms like BigCommerce, Magento, and WooCommerce, and developing adapters for third-party gateways. Longer-term, the role will involve building plugins and components for real-time data evaluation during checkout and potentially developing complete cart and checkout experiences for merchants.

Requirements

2–3+ years of applicable software development experience, with meaningful front-end or integration development experience.
Strong proficiency with JavaScript.
Experience working with APIs and integrating front-end applications with third-party systems.
Experience with ecommerce platforms, checkout flows, payment integrations, or similar transaction-based systems.
Comfortable reading technical documentation and independently figuring out unfamiliar APIs, SDKs, and platform architectures.
Strong debugging skills across systems, including tracing data flow from browser to backend services.
Understanding of modern web development fundamentals, including HTTP/API interactions, asynchronous JavaScript, authentication, webhooks, and browser behavior.
Ability to work closely with senior engineers while taking real ownership of implementation.
Comfortable operating in a startup environment where architecture and product are evolving.

Nice To Haves

Direct experience building integrations for BigCommerce, Magento, or WooCommerce.
PHP experience, particularly in ecommerce environments.
Experience with payment gateways, payment processing, checkout systems, fraud/risk products, or fintech.
Experience building ecommerce plugins, extensions, apps, or embedded checkout components.
Experience working with pre-authorization, fraud screening, or other real-time transaction decisioning.
Experience turning custom client integrations into reusable productized integrations.

Responsibilities

Builds and maintains integrations between pmtbox and ecommerce platforms such as BigCommerce, Magento, and WooCommerce.
Develops front-end components and integration logic primarily using JavaScript.
Builds custom adapters that connect third-party payment gateways to pmtbox for pre-authorization checks.
Works with the CTO and engineering team to understand payment flows, APIs, gateway behavior, and integration points.
Reads and interprets third-party platform and API documentation to implement integrations.
Troubleshoots integration issues across merchant environments, identifying the source of problems.
Transforms one-off integration work into reusable architecture, components, and patterns.
Contributes to future pmtbox plugins for deeper integration into merchant checkout experiences.
Assists in building checkout and cart components for merchant websites.
Works closely with senior engineers while independently owning integration tasks.