Staff Full Stack Software Engineer (San Francisco)

Arkestros 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, were 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! See Arkestro in action at arkestro.com .

About This Role

We'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.

Responsibilities

• Design and implement complex features and systems across our full-stack platform
• Lead technical initiatives and drive projects from conception through deployment
• Collaborate with Product Management, Design, and Data teams to translate business requirements into technical solutions
• Mentor junior and mid-level engineers through code reviews, pair programming, and technical guidance
• Contribute to architectural decisions and help establish technical standards and best practices
• Optimize application performance, scalability, and reliability
• Take ownership of technical debt reduction and system improvements
• Participate in technical planning, estimation, and sprint commitments
• Contribute to our engineering culture of quality, collaboration, and continuous learning
• Participate in on-call rotation to ensure system reliability

Technologies and tools we use :

• Frontend: React, TypeScript, AntD, Jest + React Testing Library
• Backend: Ruby, Rails, Node, Postgres, Redis, Sidekiq Pro, RSpec
• Fundamentals: Shell, SQL, config file and environment configuration
• Workflow and Deployment: Github, AWS, DataDog, Jira, Confluence, Sentry, Code Climate, Pagerduty Slack, Fellow

Required Qualifications

• 10+ years building customer-facing applications with high impact, in collaboration with Product Management, UX and Data teams
• 7+ years of Rails/Ruby experience with deep understanding of Rails conventions and best practices
• 6+ years React, JavaScript/TypeScript, and modern frontend development
• 4+ years working with AWS cloud services and deployment pipelines
• Experience with relational databases (PostgreSQL preferred) and query optimization
• Strong understanding of software architecture principles and design patterns
• Experience with testing frameworks and maintaining high test coverage
• Demonstrated ability to mentor other engineers and lead technical initiatives
• Excellent communication skills and ability to collaborate effectively with cross-functional teams

Bonus Qualifications

• Experience with Next.js and modern React patterns
• Background with Redis, Sidekiq, or similar background job processing systems
• Familiarity with containerization and orchestration (Docker, Kubernetes)
• Experience with monitoring and observability tools (DataDog, Sentry)
• Previous startup experience, particularly in Series A-C companies
• Experience working in fast-moving environments with on-call responsibilities

Pay Range

$170,000$220,000 USD

Arkestro is committed to providing our employees with a benefits package designed to give you the flexibility you need to ensure a healthy life/work balance. Arkestro offers our employees great benefits and perks, including, but not limited to:

• Competitive salary and startup equity
• Medical, Dental, Vision insurance premiums covered up to 100% (employee only)
• 401K discretionary matching
• Unlimited PTO
• A remote-first team with regular opportunities to get together in person for team building, design sprints, and customer visits
• Annual budget of $1,000 for learning and professional development
• Diverse, inclusive, highly collaborative, and vibrant culture

Arkestro is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws.

Disclaimer

Please note this job description may not be inclusive of all assigned duties, responsibilities, or aspects of the job described and that additional tasks may be assigned to the employee from time to time; or the scope of the job may change as necessitated by business demands. Arkestro reserves the right to change duties, responsibilities and activities at any time with or without notice.

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