{"schemaVersion":"jobsearcher.job.v1","id":"33be86562b651fc326a34e50","url":"https://jobsearcher.com/jobs/33be86562b651fc326a34e50","canonicalUrl":"https://jobsearcher.com/jobs/33be86562b651fc326a34e50","title":"Software Engineer - Intern","description":"EngRadar / KastleSoftware Engineer - InternKastleKastle is building an AI operating system for consumer lending, starting with mortgage, and works with America's largest mortgage lenders to scale contact center and compliance operations using AI-driven voice agents.San Francisco Full-time Posted today fintechmortgageaiApply directly →About KastleKastle is building the AI employee for consumer lending. We work with some of America's largest banks and mortgage lenders, helping them scale their contact center and compliance operations using autonomous AI Agents that process payments, originate loans, and help customers get a world class experience during the biggest financial decisions of their lives. We've processed over $1 billion in transactions and are backed by Y Combinator and Commerce Ventures. If you are interested in building AI that is applied in the real world where precision, reliability, and performance matter and redefine access to credit across the world, apply below.About The RoleWe're looking for a Software Engineer Intern who is excited to build products that are used by millions of users every month. As an intern, you won't spend your summer fixing minor bugs or working on isolated projects—you'll work alongside experienced engineers to design, build, and ship production software and AI Agents that is deployed at some of the world’s largest banks.You'll join a small, fast-moving team where you'll have real ownership, receive frequent feedback, and learn how software is built from idea to deployment.If you're curious, enjoy solving difficult problems, and want to grow as an engineer by building meaningful products, we'd love to meet you.What You'll DoShip agent capabilities that run in production at national banks and servicersContribute to evals and QA harnesses that catch failure modes and makes reliable AI scale in productionWork with the latest voice and language models — latency, interruption handling, grounding, tool use — and integrate them into enterprise environmentsSit in on real customer calls and learn directly from executives and how AI gets deployed in the real worldContribute to technical documentation and internal tooling.What We're Looking ForCurrently pursuing or recently completed a Bachelor's / Master's / Bootcamp degree in Computer Science, Software Engineering, or a related field.Strong programming fundamentals in at least one language such as Python, Java, Go, JavaScript, TypeScript, or C++.Experience building personal projects, coursework, hackathon projects, or previous internships.Familiarity with web development, APIs, databases, or cloud platforms is a plus.Strong problem-solving skills and attention to detail.Comfortable working in a collaborative, fast-paced environment.Eager to learn, ask questions, and continuously improve.Bonus PointsExperience building agents that operate in realtime settingsInterest in consumer lending, banking, or financial servicesWhat You'll GainA rare opportunity to contribute to a company that will redefine an entire industryHands-on experience building software used by real customers.Mentorship from experienced engineers.Exposure to the full software development lifecycle—from planning to production.Opportunities to own meaningful projects and present your work.A collaborative team environment focused on learning, growth, and impact.Posted by Kastle on their own careers page — you apply directly, no recruiter in between. View original / apply →More at KastleKForward Deployed EngineerKastle Kastle is building an AI operating system for consumer lending, …San Francisco fintechmortgage$170k–$250k 11mo agoKStaff EngineerKastle Kastle is building an AI operating system for consumer lending, …San Francisco fintechmortgage$250k–$320k 11mo agoKFounder Intern (now and Summer 2026)Kastle Kastle is building an AI operating system for consumer lending, …San Francisco fintechmortgage11mo agoKEnterprise Account ExecutiveKastle Kastle is building an AI operating system for consumer lending, …San Francisco fintechmortgage9mo agoApply directly → Browse Full-Stack Jobs","company":"Engradar","rawCompany":"engradar","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-08-08T11:32:35.044Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1299.00","title":"Computer Occupations, All Other","slug":"computer-occupations-all-other"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Software Engineer - Intern","description":"EngRadar / KastleSoftware Engineer - InternKastleKastle is building an AI operating system for consumer lending, starting with mortgage, and works with America's largest mortgage lenders to scale contact center and compliance operations using AI-driven voice agents.San Francisco Full-time Posted today fintechmortgageaiApply directly →About KastleKastle is building the AI employee for consumer lending. We work with some of America's largest banks and mortgage lenders, helping them scale their contact center and compliance operations using autonomous AI Agents that process payments, originate loans, and help customers get a world class experience during the biggest financial decisions of their lives. We've processed over $1 billion in transactions and are backed by Y Combinator and Commerce Ventures. If you are interested in building AI that is applied in the real world where precision, reliability, and performance matter and redefine access to credit across the world, apply below.About The RoleWe're looking for a Software Engineer Intern who is excited to build products that are used by millions of users every month. As an intern, you won't spend your summer fixing minor bugs or working on isolated projects—you'll work alongside experienced engineers to design, build, and ship production software and AI Agents that is deployed at some of the world’s largest banks.You'll join a small, fast-moving team where you'll have real ownership, receive frequent feedback, and learn how software is built from idea to deployment.If you're curious, enjoy solving difficult problems, and want to grow as an engineer by building meaningful products, we'd love to meet you.What You'll DoShip agent capabilities that run in production at national banks and servicersContribute to evals and QA harnesses that catch failure modes and makes reliable AI scale in productionWork with the latest voice and language models — latency, interruption handling, grounding, tool use — and integrate them into enterprise environmentsSit in on real customer calls and learn directly from executives and how AI gets deployed in the real worldContribute to technical documentation and internal tooling.What We're Looking ForCurrently pursuing or recently completed a Bachelor's / Master's / Bootcamp degree in Computer Science, Software Engineering, or a related field.Strong programming fundamentals in at least one language such as Python, Java, Go, JavaScript, TypeScript, or C++.Experience building personal projects, coursework, hackathon projects, or previous internships.Familiarity with web development, APIs, databases, or cloud platforms is a plus.Strong problem-solving skills and attention to detail.Comfortable working in a collaborative, fast-paced environment.Eager to learn, ask questions, and continuously improve.Bonus PointsExperience building agents that operate in realtime settingsInterest in consumer lending, banking, or financial servicesWhat You'll GainA rare opportunity to contribute to a company that will redefine an entire industryHands-on experience building software used by real customers.Mentorship from experienced engineers.Exposure to the full software development lifecycle—from planning to production.Opportunities to own meaningful projects and present your work.A collaborative team environment focused on learning, growth, and impact.Posted by Kastle on their own careers page — you apply directly, no recruiter in between. View original / apply →More at KastleKForward Deployed EngineerKastle Kastle is building an AI operating system for consumer lending, …San Francisco fintechmortgage$170k–$250k 11mo agoKStaff EngineerKastle Kastle is building an AI operating system for consumer lending, …San Francisco fintechmortgage$250k–$320k 11mo agoKFounder Intern (now and Summer 2026)Kastle Kastle is building an AI operating system for consumer lending, …San Francisco fintechmortgage11mo agoKEnterprise Account ExecutiveKastle Kastle is building an AI operating system for consumer lending, …San Francisco fintechmortgage9mo agoApply directly → Browse Full-Stack Jobs","datePosted":"2026-08-08T11:32:35.044Z","dateModified":"2026-08-08T11:32:35.044Z","hiringOrganization":{"@type":"Organization","name":"Engradar","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"33be86562b651fc326a34e50"},"url":"https://jobsearcher.com/jobs/33be86562b651fc326a34e50"}}