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Full-Stack Senior Software Engineer

AmplitudeMesa, AZL6 LeadOctober 26th, 2026
Overview: Scroll down for a complete overview of what this job will require Are you the right candidate for this opportunity In this role you will shape the product and technical direction of a high-scale system used by top product teams. You’ll own end-to-end product surfaces, collaborate with design and product leaders, and build cross-stack experiences with React and Node.js. You’ll leverage AI tooling to accelerate prototyping and drive faster iterations, while upholding high-quality code, architecture, and UX. This is a hands-on, impact-driven position at a fast-growing, customer-centric company. Compensation / Benefitsequityexcellent medical, dental, and vision insurance fully covered for the employee on select plans 401(k) with employer matchflexible time off and paid holidaysparential benefits including 12 weeks Paid Parental Leavewellness stipends and Modern Health access
Responsibilities:
  • Own critical product surfaces end-to-end from ideation to production and beyond
  • Drive product direction in partnership with design and product leaders
  • Build and evolve systems across React and Node.js that scale with customer growth
  • Leverage modern AI tooling to accelerate development, prototyping, and iteration cycles
  • Raise the bar for engineering quality - code, architecture, and user experience
  • Lead by example through hands-on development, mentorship, and decision-making
  • Move fast on ambiguous problems, turning ideas into customer-facing value
Key requirements:
  • 5+ years of software engineering experienceB.S. in Computer Science or equivalent
  • Senior-level experience leading large, ambiguous initiatives with business impact
  • Strong full-stack expertise (React + backend systems such as Node. xaygatp js and/or Python)
  • Deep ownership mindset and proactive problem solving
  • Exceptional product taste and focus on UXAI-native mindset with experience using AI tools to enhance development
  • Ability to balance speed and quality in a high-velocity environment
  • Strong judgment in technical trade-offs and system designownershipcustomer-centric mindsetcollaboration with cross-functional teams
ReactNode.jsPython