Fullstack Developer
Job Overview Plan A Technologies is looking for a Senior Fullstack Engineer, expert in AI-assisted development. You will work with the architecture of modern, performant applications across the entire stack. The ideal candidate is deeply comfortable using Cursor, OpenAI models, and AI-driven techniques to accelerate delivery, automate repetitive workflows, and maintain a high bar for code quality. Please note: You must have at least 8+ years of professional development experience across both Frontend and Backend (TypeScript/JavaScript ecosystem) to be considered for this role. JOB RESPONSIBILITY - Lead the design and implementation of complex, scalable React applications and robust TypeScript/Node.js backend services. Use Cursor, OpenAI API, and other AI tools extensively to generate, refactor, debug, test, and prototype architectural ideas across the full stack. Build reusable UI components and frameworks; implement sophisticated state management (Zustand, Redux, etc.) and ensure high performance and accessibility. Architect scalable microservices and APIs; design schemas for MongoDB/PostgreSQL and optimize for performance and reliability. Manage infrastructure on Cloudflare (Workers/Pages) and AWS/Azure. Own the full CI/CD pipeline and contribute to DevOps automation. Implement secure auth/auth layers and API gateways, ensuring seamless data flow between the frontend and backend systems. Conduct rigorous code reviews, mentor junior/mid-level developers, and stay current with the latest trends in the React and Node.js ecosystems. Experience - Bachelor's degree in Computer Science, Information Systems, Finance, or a related field. 8+ years of professional software engineering experience, with a heavy focus on the TypeScript/JavaScript ecosystem. Expert-level proficiency in React and modern frontend tooling (Vite, Webpack, Turborepo). Solid experience with Node.js and frameworks (e.g., NestJS, Hono, Fastify, Express). Proven experience using Cursor as a primary IDE and leveraging OpenAI models for coding, documentation, and workflow automation. Hands-on experience with Cloudflare edge compute and either AWS or Azure (Lambda, API Gateway, S3, etc.). Solid experience with NoSQL (MongoDB) and SQL (PostgreSQL/SQL Server); ability to design schemas and optimize complex queries. Strong understanding of distributed systems, microfrontends, component-driven design, and message brokers/queuing. Proficiency in full-stack testing frameworks (Jest, React Testing Library, Cypress/Playwright). Strong analytical and problem-solving skills with the ability to manage multiple priorities in a fast-paced environment. Excellent communication skills with solid written and verbal English skills. Ability to maintain a positive work attitude. Initiative and drive to do great things. About The Company/Benefits Plan A Technologies is an American software development and technology advisory firm that brings top-tier engineering talent to clients around the world. Our software engineers tackle custom product development projects, staff augmentation, major integrations and upgrades, and much more. The team is far more hands-on than the giant outsourcing shops, but still big enough to handle major enterprise clients. Read more about us here: www.PlanAtechnologies.com . Location: Work From Home 100% of the time, or come in to one of our global offices. Up to you. Great colleagues and an upbeat work environment: You'll join an excellent team of supportive engineers and project managers who work hard but don't ever compete with each other. Benefits: You’ll get a generous vacation schedule, Brand New Laptop, and other goodies. If this sounds like you, we'd love to hear from you!