Backend Engineer

Backend EngineerSan Francisco, CAAbout Pump.coGartner predicts that cloud spend will be over $2T/yr by 2030, making it the fastest-growing expense for tech companies. Managing it well demands constant engineering effort—time that could be spent building your product.At Pump, we're building the fastest way to save ~60% on cloud costs. Our AI-powered platform not only automates savings but also leverages the power of group buying for even deeper discounts. Backed by Y Combinator, we're on a mission to transform cloud cost optimization through AI.Our founding team includes experienced entrepreneurs with prior exits, and our culture is fast-paced, collaborative, and flat in structure. If you're excited about shipping real impact and joining a team at an early, career-defining stage—we'd love to meet you.About the RoleSkills: 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.We are 5 days a week in office. No remote work will be considered.What You'll DoDesign, build, and maintain backend services that power the Pump platformWork with the team to define and scope new product featuresContribute to a strong engineering culture by participating in code reviews and continuous improvementHelp extend our internal tools, dev workflows, and CI/CD pipelinesEnsure system reliability, performance, and maintainabilityCollaborate across functions to solve real customer problems with intuitive engineering solutionsWhat We're Looking For3–15 years of professional backend engineering experienceAbility to work 5 days a week in officeProficiency in Python and familiarity with FastAPI or similar frameworksExperience with SQL databases—we use PostgreSQLComfort 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 environmentsClear communication and collaborative instinctsBonus Points ForExperience with cloud billing/cost toolingInterest in or exposure to LLMs or AI integrationsFamiliarity with NoSQL databases like DynamoDBBenefitsComprehensive healthcare and dental coverage for you401(k) planGenerous PTO: 13 accrued days, plus company shutdown December 24—January 1stFree lunch & dinner at the officeAnnual company-paid retreatsDevelopmental bonuses: support for professional development opportunities tied to cloud and related fieldsIf you're ready to grow fast, learn constantly, and make a measurable impact—join us.Compensation$120,000 - $200,000 USD