{"schemaVersion":"jobsearcher.job.v1","id":"45adb72df6cac2efbda43dc9","url":"https://jobsearcher.com/jobs/45adb72df6cac2efbda43dc9","canonicalUrl":"https://jobsearcher.com/jobs/45adb72df6cac2efbda43dc9","title":"Founding Full Stack Engineer","description":"About the RoleWe're looking for a Founding Full Stack Engineer to build our lending platform end-to-end, from the borrower-facing web app through the Django API and the fintech integrations that move money and make loans work. This is a genuinely full-stack codebase, not frontend-with-a-BFF: most features touch both the app and the backend. You'll own problems from ticket to production, raise the engineering bar as the team grows, and work closely with experienced leaders, a cross-functional team, and our vendor partners.The compensation for this role is pay + equity. Flexible New York City remote/hybrid. Full time.The stack you'll work inFrontend: Next.js, React, TypeScript, TanStack React Query, Zustand, React Hook Form + Zod, and a shared component library built on Radix UI + MUI.Backend: Django + Django REST Framework, Python, PostgreSQL, Celery, Redis.Schema-first API: Schema-first API: OpenAPI schema that generates a fully typed TypeScript client - types flow from Django serializers to React components, so schema drift is caught at compile time, not in production. Infrastructure: AWS (Elastic Beanstalk and core services), GitHub Actions CI/CDFintech IntegrationsWhat you'll ownFull-stack feature delivery across the borrower app and the Django API - most features span both.Fintech integration work: new vendor APIs, reliable webhook handling, retry and reconciliation semantics, and payment and loan-servicing workflows.Infrastructure evolution - the AWS/Beanstalk setup is deliberately simple today and will need to grow with scale.Raising the engineering bar: testing strategy, observability, performance, and security in a regulated lending domain.QualificationsStrong TypeScript/React (Next.js App Router experience a plus) and strong Python/Django (including Django REST Framework) - this is a genuinely full-stack role.Comfortable with PostgreSQL data modeling, Celery/queue-based async patterns, and third-party API integration at production quality (idempotency, retries, webhooks).Working AWS knowledge (Beanstalk/EC2, RDS, SQS) - enough to own deploys and debug production.Strong familiarity with Git, CI/CD pipelines, and automated deployment.A testing habit - you write tests without being asked (Vitest / Testing Library, Playwright, pytest).Strong command of AI coding tools, with disciplined verification and data-privacy guardrails.Excellent documentation skills and a commitment to organized, understandable code that scales as the team grows.Care about correctness with money movement.Curiosity about fintech and empathy for users - you're passionate about building technology that solves real-world financial challenges.Founding-engineer temperament: owns problems end-to-end, pragmatic about scope, comfortable with ambiguity and vendor quirks; a self-starter who builds without constant oversight.Flexible New York City hybridBackground check, in-person New York interview, and references required.PreferredFintech or lending experience - a plus, not a requirement.Experience with schema-first / OpenAPI-driven development and typed API clients.Experience with payment processing, loan origination, or loan servicing systems.Zero-downtime migration discipline and on-call / runbook experience.CS degree or equivalent hands-on experience.","company":"Lendkoi","rawCompany":"lendkoi","city":"New York","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-07-23T13:22:58.460Z","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":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"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":"Founding Full Stack Engineer","description":"About the RoleWe're looking for a Founding Full Stack Engineer to build our lending platform end-to-end, from the borrower-facing web app through the Django API and the fintech integrations that move money and make loans work. This is a genuinely full-stack codebase, not frontend-with-a-BFF: most features touch both the app and the backend. You'll own problems from ticket to production, raise the engineering bar as the team grows, and work closely with experienced leaders, a cross-functional team, and our vendor partners.The compensation for this role is pay + equity. Flexible New York City remote/hybrid. Full time.The stack you'll work inFrontend: Next.js, React, TypeScript, TanStack React Query, Zustand, React Hook Form + Zod, and a shared component library built on Radix UI + MUI.Backend: Django + Django REST Framework, Python, PostgreSQL, Celery, Redis.Schema-first API: Schema-first API: OpenAPI schema that generates a fully typed TypeScript client - types flow from Django serializers to React components, so schema drift is caught at compile time, not in production. Infrastructure: AWS (Elastic Beanstalk and core services), GitHub Actions CI/CDFintech IntegrationsWhat you'll ownFull-stack feature delivery across the borrower app and the Django API - most features span both.Fintech integration work: new vendor APIs, reliable webhook handling, retry and reconciliation semantics, and payment and loan-servicing workflows.Infrastructure evolution - the AWS/Beanstalk setup is deliberately simple today and will need to grow with scale.Raising the engineering bar: testing strategy, observability, performance, and security in a regulated lending domain.QualificationsStrong TypeScript/React (Next.js App Router experience a plus) and strong Python/Django (including Django REST Framework) - this is a genuinely full-stack role.Comfortable with PostgreSQL data modeling, Celery/queue-based async patterns, and third-party API integration at production quality (idempotency, retries, webhooks).Working AWS knowledge (Beanstalk/EC2, RDS, SQS) - enough to own deploys and debug production.Strong familiarity with Git, CI/CD pipelines, and automated deployment.A testing habit - you write tests without being asked (Vitest / Testing Library, Playwright, pytest).Strong command of AI coding tools, with disciplined verification and data-privacy guardrails.Excellent documentation skills and a commitment to organized, understandable code that scales as the team grows.Care about correctness with money movement.Curiosity about fintech and empathy for users - you're passionate about building technology that solves real-world financial challenges.Founding-engineer temperament: owns problems end-to-end, pragmatic about scope, comfortable with ambiguity and vendor quirks; a self-starter who builds without constant oversight.Flexible New York City hybridBackground check, in-person New York interview, and references required.PreferredFintech or lending experience - a plus, not a requirement.Experience with schema-first / OpenAPI-driven development and typed API clients.Experience with payment processing, loan origination, or loan servicing systems.Zero-downtime migration discipline and on-call / runbook experience.CS degree or equivalent hands-on experience.","datePosted":"2026-07-23T13:22:58.460Z","dateModified":"2026-07-23T13:22:58.460Z","hiringOrganization":{"@type":"Organization","name":"Lendkoi","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"New York","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"45adb72df6cac2efbda43dc9"},"url":"https://jobsearcher.com/jobs/45adb72df6cac2efbda43dc9"}}