We’re looking for a senior backend engineer who can architect and scale core systems, take full ownership of complex technical problems, and move quickly with minimal oversight. You should have startup DNA, a product mindset, and a deep understanding of system design at scale.What You’ll Do:Lead the architecture, development, and optimization of our backend systemsOwn critical services end-to-end — from design to deployment and monitoringMentor junior and mid-level engineers, and establish best practicesCollaborate closely with product and business teams to shape the roadmapIdentify performance bottlenecks and make real-time, high-impact improvementsWhat We’re Looking For:6–10+ years of backend engineering experience (preferably in high-growth startups)Deep expertise in system architecture, microservices, and API designStrong proficiency in at least one backend language (Go, Rust, Python, or Node.js)Experience with cloud infrastructure (AWS/GCP), CI/CD, monitoring, and securityBias toward action — you can ship fast and scale smartPreferred But Not Required:Experience in fintech, infra, or real-time systemsPrior experience as a tech lead or founding engineerSeniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionIndustriesTechnology, Information and InternetReferrals increase your chances of interviewing at Stealth AI Startup by 2xGet notified about new Back End Developer jobs in San Francisco Bay Area.Palo Alto, CA $140,000.00-$185,000.00 2 weeks agoSan Francisco, CA $120,000.00-$150,000.00 3 weeks agoSan Francisco, CA $40,000.00-$100,000.00 1 month agoSan Francisco, CA $90,000.00-$150,000.00 2 months agoSan Francisco, CA $132,700.00-$196,600.00 2 weeks agoSan Francisco, CA $150,000.00-$180,000.00 3 weeks agoSoftware Engineer (Front End/Full Stack)San Francisco, CA $100,000.00-$200,000.00 2 months agoSoftware Engineer, Full-Stack Opening, USASan Francisco, CA $128,000.00-$179,000.00 5 days agoSunnyvale, CA $80,000.00-$120,000.00 1 month agoFull Stack Software Engineer, Entry LevelSan Francisco Bay Area $110,000.00-$165,000.00 2 weeks agoSenior Software Engineer, Backend - FintechWe’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr