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First Resonance

Manufacturing software platform for hardware production

Forward Deployed Software Engineer

Full-Time
$145k - $175k/yr+ Employee stock options
Mid
Seattle, WA, USA
HybridTravel up to 40% to customer sites may be required.
Software EngineeringFull-Stack Engineering
No H1B Sponsorship

About the job

Requirements
  • Strong engineering background in fields such as Computer Science, Mathematics, Software Engineering, Physics, or Data Science.
  • Experience shipping production-quality code.
  • Willingness to travel up to 40% to customer sites as needed.
Responsibilities
  • Serve as a deployed technical expert, providing hands-on assistance with the implementation, usage, and further development of ION.
  • Collaborate with customers to understand their most pressing problems and develop coherent strategies and intelligent solutions, including custom web applications and handling large-scale data.
  • Own the development and delivery of solutions while maintaining high levels of customer satisfaction.
  • Write clean, scalable, and easily maintainable code across the stack.
  • Work in small teams and take ownership of end-to-end execution of high-stakes projects.
  • Collaborate with the First Resonance team to continuously improve the product based on customer feedback and requirements.
Desired Qualifications
  • Experience in manufacturing, as a Product Manager, or as a Lead Engineer.
  • Experience with Python and/or React (TypeScript).
  • Experience or curiosity in working with large-scale data to solve customer-facing problems.

About the company

First Resonance offers a manufacturing software platform called ION that helps hardware companies manage production from end to end. It combines modules for purchasing parts, inventory, and supply-chain management with real-time visibility and analytics. Engineers and technicians interact via a user-friendly interface to navigate production steps, add comments, attach files, and share feedback, keeping everyone aligned. Unlike fragmented tools, ION provides a single, unified platform that covers procurement, inventory control, regulatory compliance, and analytics, helping teams spot issues quickly and maintain quality. The company’s goal is to enable faster, more efficient, and higher-quality manufacturing for hardware developers, from startups to large manufacturers, by delivering integrated workflows and data-driven insights.

Company Size

11-50

Company Stage

Series A

Total Funding

$17.5M

Headquarters

El Segundo, California

Founded

2018

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Simplify's Take

What believers are saying

  • First Resonance announced $32M funding led by Third Prime in 2025.
  • The June 2025 launch targets reshoring demand across aerospace, defense, nuclear, and robotics.
  • The company said it is pursuing FedRAMP Moderate by end-2025, opening government sales.

What critics are saying

  • ION Intelligence depends on fragile AI agents; manufacturing mistakes stop lines immediately.
  • SAP, Siemens, and Tulip already dominate adjacent factories, squeezing First Resonance's enterprise expansion.
  • If FedRAMP slips past 2025, defense and nuclear deals stall while competitors lock standards.

What makes First Resonance unique

  • ION unifies R&D, inventory, quality, and production in one workflow-native system.
  • June 24, 2025 ION Intelligence adds agentic manufacturing automation, not just dashboards.
  • Razorleaf and ATS Global partnerships extend ION into PLM, ERP, and MES integrations.

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Benefits

Health Insurance

Paid Parental Leave

Employee Stock Option Plan

Paid Holidays

Paid Sick Leave

Unlimited Paid Time Off

401(k) Retirement Plan

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

2%

2 year growth

0%
engineering.com
Sep 10th, 2025
Razorleaf and First Resonance partner on connected manufacturing

As a strategic partner with First Resonance, Razorleaf consultants will be certified on their ION Factory Operating System, which supports a seamless flow of sensitive production data throughout factories producing complex hardware in key industries such as spacecraft, nuclear reactors and robots.

Robotics & Automation News
Jun 25th, 2025
First Resonance launches 'agentic manufacturing solution'

First Resonance, a provider of digital manufacturing solutions, has launched its new "agentic manufacturing solution" - ION Intelligence, an updated ION Factory Operating System, and the ION Marketplace.

TechInsights
Apr 22nd, 2025
Emerson is Recognized as the Leader in the 2024 SPARK Matrix(TM): Manufacturing Execution Systems (MES) - Process and Batch Manufacturing by QKS Group

A modern MES also integrates with Enterprise Resource Planning (ERP) systems and production process control systems for offering real-time visibility into the shop floor.

IIoT World
Mar 23rd, 2025
Critical Manufacturing to Showcase the Future of MES at Hannover Messe 2025

As a Silver Sponsor of the 17th International MES Conference, Critical Manufacturing is doubling down on its commitment to pushing the boundaries of smart manufacturing.

Intelligence360 News
Jan 9th, 2025
First Resonance Raises $32M for ION OS

First Resonance secured a new funding round led by Third Prime, raising total funding to $32M. The investment will enhance the ION Factory OS platform, expand customer support, and launch the ION Marketplace for developers and partners. The platform is widely adopted in industries like aviation and energy. First Resonance aims to integrate AI-driven workflows and expand its network of integration partners to advance digital manufacturing.