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Backend Engineer - Top YC Startup, Onsite in SF Join to apply for the Backend Engineer - Top YC Startup, Onsite in SF role at Backend Engineer - Top YC Startup, Onsite in SF Join to apply for the Backend Engineer - Top YC Startup, Onsite in SF role at Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Founder & CEO, | Save ~60% on cloud, 100% free! About Cloud spend is a whopping $500 billion/yr, the biggest growing expense category for any tech company - tackling these costs requires continuous effort and time from DevOps teams. Pump is a building the fastest way to save ~60% on cloud spend. Our AI-powered platform not only fully automates savings but we also leverage the power of group buying for even greater discounts. Our mission is to use AI to transform the status quo of cloud cost optimization. We are backed by Y Combinator and our founding team consists of seasoned entrepreneurs with prior exits. We have a transparent, collaborative and a fast-paced culture that prioritizes winning with a flat organizational structure. About the role Skills: Skills: Python, FastAPI, PostgreSQL, AWS, Docker, Kubernetes (nice to have), LLM/AI (bonus) As a Backend Engineer , you'll contribute directly to the core of our product and infrastructure. This role is ideal for someone looking to grow within a strong engineering team while delivering meaningful work that touches real customers. You'll collaborate closely with engineers, designers, and founders-working across the stack to build, improve, and scale our platform. Responsibilities: Design, build, and maintain backend services that power the Pump platform Work with the team to define and scope new product features Contribute to a strong engineering culture by participating in code reviews and continuous improvement Help extend our internal tools, dev workflows, and CI/CD pipelines Ensure system reliability, performance, and maintainability Collaborate across functions to solve real customer problems with intuitive engineering solutions Qualifications: 3-6 years of professional backend engineering experience Proficiency in Python and familiarity with FastAPI or similar frameworks Experience with SQL databases -we use PostgreSQL Comfort working in a cloud environment (AWS preferred) Familiarity with containerization and orchestration tools like Docker and Kubernetes (nice to have) Excitement about early-stage startups and the ability to thrive in fast-moving environments Clear communication and collaborative instincts Bonus Points For Experience with cloud billing/cost tooling Interest in or exposure to LLMs or AI integrations Familiarity with NoSQL databases like DynamoDB Competitive salary and equity as an early member of our engineering team Full benefits package, including premium healthcare coverage and unlimited PTO Annual professional development stipend to support continuous learning 3-4 company-sponsored team retreats per year Work alongside a high-caliber team that values collaboration, innovation, and transparency Minimum Requirements and Compensation Must be a U.S. Citizen or Visa holder (no sponsorships available) Minimum of 4 years of professional experience Base salary: USD $120,000-$200,000 per year Equity: Eligible for our highly valuable equity program Seniority level Seniority level Associate Employment type Employment type Full-time Job function Industries Technology, Information and Internet Referrals increase your chances of interviewing at by 2x Inferred from the description for this job Medical insurance 401(k) Get notified about new Back End Developer jobs in San Francisco Bay Area . 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