Arkestro’s Predictive Procurement accelerates enterprise spend transformation, using AI and game theory to unlock trapped savings and reduce risk, enabling teams to influence significantly more spend. By combining AI with deep Negotiation Science, Supplier Science, and Process Science procurement teams can improve win-rates while strengthening supply chain agility. As a fast-growing tech company, we’re looking for builders and innovators — people who thrive in the face of ambiguity and who have a selfless dedication to do whatever it takes to make Arkestro and our customers successful. We believe in egoless execution and we are looking for people who will work together to solve hard problems. If you're excited to help shape our future, contribute to our company culture, and help to drive our business forward there is a tremendous opportunity for you here at Arkestro! eWe're seeking a product-minded Staff Engineer to join our Product Engineering team and drive meaningful customer impact through technology. As a Staff Engineer at Arkestro, you'll be embedded directly with Product and Design teams, working as a true product partner who deeply understands our customers' procurement challenges and builds solutions that transform how enterprises manage spend .You'll own end-to-end product features from conception to customer adoption, balancing technical excellence with iteration and customer feedback. This isn't just about writing great code — it's about understanding the "why" behind every feature, measuring its impact on customer outcomes, and continuously improving the product experience. You'll work closely with customers, analyze usage data, and make technical decisions that directly influence product success .The ideal candidate combines strong engineering fundamentals with genuine curiosity about our customers' workflows and pain points. This role is perfect for an engineer who thrives at the intersection of technology and product strategy, and who gets energized by seeing customers achieve breakthrough results with the software you build - esDesign and implement complex features and systems across our full-stack platfo - rmLead technical initiatives and drive projects from conception through deployme - ntCollaborate with Product Management, Design, and Data teams to translate business requirements into technical solutio - nsMentor junior and mid-level engineers through code reviews, pair programming, and technical guidan - ceContribute to architectural decisions and help establish technical standards and best practic - esOptimize application performance, scalability, and reliabili - tyTake ownership of technical debt reduction and system improvemen - tsParticipate in technical planning, estimation, and sprint commitmen - tsContribute to our engineering culture of quality, collaboration, and continuous learni - ngParticipate in on-call rotation to ensure system reliabili - se:Frontend: React, TypeScript, AntD, Jest + React Testing Libr - aryBackend: Ruby, Rails, Node, Postgres, Redis, Sidekiq Pro, RS - pecFundamentals: Shell, SQL, config file and environment configurat - ionWorkflow and Deployment: Github, AWS, DataDog, Jira, Confluence, Sentry, Code Climate, Pagerduty, Slack, Fel - ions10+ years building customer-facing applications with high impact, in collaboration with Product Management, UX and Data t - eams7+ years of Rails/Ruby experience with deep understanding of Rails conventions and best pract - ices6+ years React, JavaScript/TypeScript, and modern frontend develop - ment4+ years working with AWS cloud services and deployment pipel - inesExperience with relational databases (PostgreSQL preferred) and query optimiza - tionStrong understanding of software architecture principles and design patt - ernsExperience with testing frameworks and maintaining high test cove - rageDemonstrated ability to mentor other engineers and lead technical initiat - ivesExcellent communication skills and ability to collaborate effectively with cross-functional t - tionsExperience with Next.js and modern React pat - ternsBackground with Redis, Sidekiq, or similar background job processing sy - stemsFamiliarity with containerization and orchestration (Docker, Kubern - etes)Experience with monitoring and observability tools (DataDog, Se - ntry)Previous startup experience, particularly in Series A-C comp - aniesExperience working in fast-moving environments with on-call responsibil - - toolsPython exper ience
