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Full Stack Software Engineer

Mason
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Seattle, WAFull-timePosted 8mo ago

About the role

Full stack generalist role on the core Fleet team building the Mason Platform, focusing on mobile IaaS infrastructure including over-the-air updates, CI/CD APIs, connectivity, messaging, and related backend/frontend work.

Responsibilities

  • Create and enhance web services to spec, build or enhance data models, work with distributed storage, expand our eventing and messaging, etc.
  • Build APIs to enhance both the internal and external functionality available via the Mason Platform
  • Collaborate with senior engineers on projects of increasing scope and enhance your understanding of backend architecture, patterns and practices
  • Interact with product managers to develop and clarify requirements, and ensure features are built to spec
  • Write design one-pagers, drive and participate in design reviews, perform peer code reviews
  • Build and maintain test automation where appropriate
  • Write public-facing documentation for new features and APIs for customers
  • Collaborate effectively with designers and front-end engineers to deliver new UI features to spec
  • Participate in a culture of always be shipping

Qualifications

  • 5+ years of professional software development
  • Solid understanding of at least one backend-oriented programming language, and possibly a related web services stack
  • Experience writing and automating tests
  • A college degree with relevant coursework in computer science, or equivalent professional experience
  • Applicants must be authorized to work for ANY employer in the US. We are unable to sponsor or take over sponsorship of employment Visa at this time

Skills

Required:Backend programmingTest automationAPI design / API developmentCollaboration with product/design

Benefits

  • Healthcare: Full healthcare benefits for Mason employees with competitive vision, dental, and medical insurance
  • Transportation: Monthly reimbursement for your commuter needs to get to and from work
  • Fitness & wellness: Monthly reimbursement for fitness classes or gym memberships (and other wellness/related items)
  • Generous PTO & sick leave: minimum of 24 PTO days, including paid company holidays
  • Parental leave: four months of paid parental leave
  • Dog-friendly office: Mason pups welcome in the office 3x per week (remote work currently common)
Last updated Sep 16, 2026. Interested? Apply on the company site.
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About Mason

Mason is the fastest way to take smart devices from idea to end user

Mason is the fastest way to take smart devices from idea to end user. Whether building a single-use device from scratch or scaling a line of smart products, with Mason it’s 20x faster and 10x less costly to build, deploy and scale. Digital transformation is a modern requirement but operating a hardware-dependent initiative is hard – thousands of hours and millions of dollars are at stake. The Mason Smart Device Platform is the only fully managed infrastructure for developing and delivering dedicated devices. It offers flexible usage-based pricing for fleets of devices and manages the underlying complexity of all associated backend services, making software delivery on a smart product line—whether it’s a tablet, wearable or new form factor—as simple as delivering software in the cloud. This frees innovators to focus on what matters: application development, feature specification and UX. Granular access to add, remove or lock down capabilities makes it possible for highly customized products to be built as envisioned. Mason offloads hardware investment risks and logistics, including inventory procurement, warehousing and supply chain management. With options like zero-touch provisioning, devices can work perfectly out of the box without end user intervention. Remote fleet management, troubleshooting and automated software updates by Mason ensure security and positive end user experiences. Organizations of all sizes rely on Mason to bring innovations and hundreds of use cases to market without reinventing the wheel. Smarter from start to finish with Mason.™ AWARDS * 2023: Best Places to Work & Best Startups to Work For, Built In Seattle * 2022: Best Places to Work & Best Small Places to Work, Built In Seattle * 2022: IoT Health & Wellness Innovation of the Year, IoT Breakthrough * 2022: Bronze Stevie® Award - Emerging Technology, The 2022 American Business Awards® * 2021: Deloitte Technology Fast 500™, Deloitte * 2019: Tech Impact Awards, Mobile - Silver, Seattle Business magazine Follow us on LinkedIn | https://www.linkedin.com/company/mason-america/

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