Software Engineer (TypeScript / NestJS / React)

About BasisAt Basis Worldwide, we build technology that empowers the next generation of intelligent products. We partner with startups and enterprises to architect, design, and launch world-class AI platforms—from real-time document intelligence and RAG systems to workflow automation and human-in-the-loop tools.Our engineering teams work across the full stack—from cloud-native backends in AWS to modern front-end frameworks like React Router and TailwindCSS—with a focus on scalability, maintainability, and great developer experience.This role will join one of our core AI startup initiatives, helping build products that merge LLM orchestration, data pipelines, and user experience into seamless, production-grade systems.About the roleAs a Senior Software Engineer, you'll play a key role in building, scaling, and maintaining our intelligent SaaS platforms. You'll work in a fast-moving environment with other engineers, product designers, and AI researchers to ship features that actually make a difference.This is a hands-on full-stack role for someone who loves to build, iterate, and shape the architecture behind next-gen applications.What You’ll DoFull-Stack DevelopmentBackend: Design and implement services and APIs using TypeScript and NestJS, focusing on performance, scalability, and clean architecture.Frontend: Build delightful, accessible UIs using React (React Router framework, formerly Remix) and TailwindCSS, ensuring fast, reliable, and elegant interfaces.Cloud: Deploy, monitor, and optimize cloud-native systems in AWS (Lambda, ECS, S3, RDS, etc.). Experience with CI/CD and Infrastructure as Code is a plus.AI Integration: Collaborate with AI engineers to integrate LLM pipelines, vector search, and RAG frameworks into production-ready applications.Collaboration & QualityContribute to technical design discussions, code reviews, and architectural decisions.Work cross-functionally with design and product teams to deliver impactful, iterative features.Maintain high standards for testing, reliability, and security.What We’re Looking ForCore Skills4+ years of professional experience in software engineering.Proficiency with TypeScript, NestJS (Node.js), and React.Solid grasp of SQL databases and API design.Comfort working with AWS (or equivalent cloud platforms).Experience with TailwindCSS and component-driven UI design.Conversational English level — you should be comfortable communicating ideas, collaborating in meetings, and reviewing technical documentation in English.Nice to HaveFamiliarity with AI/ML systems, LangChain / LangGraph, or similar agentic frameworks.Background in building SaaS or multi-tenant architectures.Understanding of event-driven systems or streaming APIs (SSE/WebSockets).Who You AreBuilder Mindset: You love crafting high-quality, scalable systems from the ground up.Curious & AI-Driven: You’re excited by the intersection of software and intelligence—LLMs, RAG, data orchestration, the works.Collaborative: You thrive in small, senior teams where autonomy and accountability are valued.Pragmatic: You know when to ship fast and when to dig deep for long-term quality.Why Join Basis?At Basis, you’ll work on real products with real users—from stealth AI startups to enterprise-scale systems. You’ll get to experiment with modern tooling, contribute to open frameworks, and shape how AI gets built and deployed responsibly.We move fast, care deeply about good engineering, and love solving hard problems with clarity and craftsmanship.Ready to build the future of intelligent software with us? 👉 basisworldwide.com