Senior Full Stack Engineer

Role overview This role advances a predictive procurement platform that combines AI, game theory, and behavioral science to reshape enterprise negotiations, moving teams from reactive bidding toward data-driven outcomes. The work centers on designing, building, and scaling customer-facing product capabilities within a fast-growing software company. It is a senior engineering position suited for builders who thrive on ownership, technical depth, and meaningful impact in complex environments.

Responsibilities - Drive autonomous delivery of business impact across product capabilities and technical systems - Partner with QA engineers to validate that proposed designs are technically feasible - Collaborate with product teams to maintain quality across the full development and release cycle - Estimate scope and commit to delivery plans with product management - Align architecture and technical direction with organizational goals alongside staff engineers - Adopt and evolve engineering practices, tooling, and workflows to improve efficiency - Communicate progress, risks, and tradeoffs to stakeholders including senior leadership - Participate in an on-call rotation for production systems

Requirements - 6+ years building customer-facing applications in collaboration with product management, UX, and data counterparts - 6+ years of hands-on Ruby on Rails experience - 4+ years with React, JavaScript or TypeScript, Next.js, CSS, and Figma - 3+ years architecting full-stack applications - 2+ years working with AWS and/or Kubernetes with Istio - 6+ months of AI-native software development usage, such as Claude Code or comparable tools

Nice to have - Experience operating in fast-paced environments with on-call rotations and documented SLAs, SLOs, RPOs, and RTOs - Familiarity with Google Suite, Jira, Confluence, Slack, Fellow, PagerDuty, Datadog, SendGrid, and Code Climate

Benefits and work setup - Pay range: $160,000-$180,000 USD - Competitive salary plus startup equity - Medical, dental, and vision insurance premiums covered up to 100% for employees - 401(k) plan with discretionary employer matching - Unlimited paid time off - Remote-first team with periodic in-person gatherings for team building, design sprints, and customer visits - Annual $1,000 learning and professional development budget - Diverse, inclusive, and highly collaborative culture