Senior Product Builder

NorthAB LLC•Remote work MI, MI

3d•$104,000 - $149,000•Remote

About The Position

The Senior Product Builder is a hands-on, builder-first role focused on defining, designing, and prototyping features for North’s payment platforms across iOS, Android, and hardware ecosystems. This role bridges product strategy and execution by rapidly validating concepts, creating precise technical specifications, and building proof-of-concept features in sandbox environments without waiting for traditional design or full engineering cycles. By pairing deep technical fundamentals and AI tools with direct merchant discovery, the Senior Product Builder dramatically accelerates product velocity to keep North competitive in the evolving payment processing landscape.

Requirements

Strong technical fundamentals with proficiency in SQL, JavaScript, and REST/web APIs.
Hands-on native or cross-platform iOS and Android mobile development experience.
Working familiarity with payment hardware ecosystems, including card readers, POS terminals, and kiosks.
High fluency with LLM APIs, prompt engineering, and AI-assisted coding agents.
Deep user empathy combined with a strong bias for action and tangible proof over slides/presentations.
Bachelor’s Degree (BA or BS) or equivalent experience
8+ years of previous experience as a Product Manager, Product Engineer, Product Analyst, or similar technical product roles.
1-2 years of experience with AI tools.
Proven experience working with Agile software development teams.
Strong proficiency with Jira and modern product management software.

Nice To Haves

Product Owner Certification (CSPO, etc.) preferred.
Payments or fintech industry experience is highly preferred.

Responsibilities

Define, design, and build end-to-end proof-of-concept features, interactive prototypes, and technical sandboxes for desktop, iOS, Android, and hardware terminals/kiosks).
Create technical specifications, wireframes, and schemas at a high level of technical depth including employee-based permission rulesets, table mapping mockups, and modifier customizations allowing engineering teams to execute without translation delays.
Author product evaluation criteria ("evals") prior to feature creation to systematically validate solutions and measure success.
Conduct direct user discovery with merchants and sales partners to build high user empathy, rapidly converting feedback into working solutions within hours.
Maintain awareness of competitor release cadences and point-of-sale innovations (e.g., drive-thru modes, dark mode UI, item grids, group ordering, barcode scanning, and hardware customizations) to ensure rapid feature delivery.
Leverage modern LLM APIs and AI coding agents to accelerate product discovery, code generation, and functional prototyping.