Web3 is a new paradigm

About Quantinium

Quantinium is building the next generation of secure, post-quantum blockchain infrastructure for decentralized Wi-Fi, 5G, IoT, mobile, and fixed wireless networks. As we expand into the MDU (Multi-Dwelling Unit) telecom space, we’re scaling our QA function to ensure high reliability across software and hardware systems.

Role Overview

We are hiring a Quality Assurance Lead to build and oversee our QA processes across multiple products including custom routers, mobile applications, web platforms, and crypto wallet functionality. This role will take the lead on quality control efforts company-wide, working closely with Product and Engineering to convert requirements into actionable test plans, acceptance criteria, and performance benchmarks.

This is a high-impact position that directly supports efficiency, reliability, and user experience as we scale.

Key Responsibilities

Testing and Validation

Create, maintain, and execute detailed test plans and test cases across mobile, web, and hardware systems

Validate router performance and network integration in controlled and live environments

Acceptance Criteria and Issue Tracking

Translate product requirements into structured acceptance criteria in Linear

Log, prioritize, and verify defects and performance issues through resolution

Process and Quality Improvement

Monitor production releases and identify opportunities for QA process optimization

Establish consistent QA documentation standards and reporting structures

Cross-Functional Collaboration

Work closely with Product, Engineering, and Operations to ensure consistent quality from requirements to release

Participate in sprint planning and retrospectives as the QA point of contact

Required Qualifications

5+ years of QA experience, with at least 1–2 years in a senior or lead capacity

Strong experience testing:

Mobile apps (React Native preferred)

Web platforms (React, browser-based environments)

AWS-based backend infrastructure

Hardware devices (e.g., routers, IoT)

Proficiency with test management tools, defect tracking systems (e.g., Linear, Jira)

Deep understanding of manual and exploratory testing techniques

Strong attention to detail, analytical thinking, and communication skills

Preferred Qualifications

Experience with crypto wallets, Web3 technologies, or blockchain infrastructure

Background in telecom, MDU systems, or embedded device testing

Exposure to CI/CD workflows and test automation environments

Familiarity with performance benchmarking and security testing

Additional Information

This role is based in the United States to ensure alignment with core product and engineering leadership. Quantinium does not require Web3 experience for this role but values candidates who bring strong traditional QA skills with an ability to adapt across technologies.

We cover 100% of health, vision, and dental for you and your family, plus life insurance, 401(k) match, annual bonuses, and unlimited PTO.