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Senior Full-Stack Software Engineer

Vale Concepts
Seattle, WA Full Time
POSTED ON 8/5/2025 CLOSED ON 9/3/2025

What are the responsibilities and job description for the Senior Full-Stack Software Engineer position at Vale Concepts?

We’re hiring a‬‭ Senior Full-Stack Software Engineer,‬‭ you’ll help build the software that powers‬ both our self-serve automated kiosks, mobile apps, and back-end service layer. You’ll span user‬ experience, services, hardware integrations, and growth‑tech features, shifting focus as‬ business needs evolve. As an early technical leader, you’ll pair hands‑on coding with a startup‬ mindset: rapid prototyping, AI‑powered tooling, and plenty of room to shape architecture and‬ best practices.‬


Key Responsibilities‬

* Build Android / iOS apps‬‭ , including UX flows and order-to-payment‬‭ integrations.‬

* Collaborate with product and UX‬‭ to translate polished‬‭ designs into kiosk screens and‬ mobile apps.‬

* Interface with embedded systems‬‭ to build clean software‬‭ interfaces and magical‬ customer experiences around underlying hardware states.‬

* Build backend services‬‭ as needed for identity, loyalty,‬‭ referral, and growth systems.‬

* Establish CI/CD processes.‬

* Leverage the latest and greatest AI coding assistants.‬

* Mentor future engineers; codify best practices for mobile, IoT, and hardware–software‬ integration.‬

‭Qualifications (Must‑Have)‬

* 5 years professional software development, with‬‭ 3 years building user facing‬ experiences or mobile applications‬

‭* Hands‑on experience with building‬‭ back‑end services‬‭ and secure auth flows.‬

* Strong collaboration and communication skills; thrive in a fast‑changing startup.‬

* End-to-end understanding of modern software systems.‬

Nice‑to‑Have‬

‭* Experience shipping production software that interfaces with hardware controllers or IoT‬ devices.‬

* Experience building Android or iOS applications.‬

* Interest in robotics and consumer tech.‬

* Payment/POS integrations (e.g., Square, Stripe, Ingenico, Verifone).‬

* Experience maintaining software infrastructure.‬

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