Full-Stack Engineer (Node/React.js)

Client Our client is a leading U.S. education company that has been transforming K–12 learning since 2000. They create next‑generation curriculum and formative assessment solutions, offering interactive products designed for both teachers and students. Their programs support learners from elementary through high school and are used in all 50 states, across 21,000+ schools, serving over 10 million students. Position overview We are looking for a highly skilled Full‑Stack Engineer to join a growing team supporting a leading U.S. education technology company. In this role, you will design and build scalable, high‑performance backend and frontend solutions using modern JavaScript/TypeScript technologies. You will work across a cloud‑native architecture, collaborating with cross‑functional teams to solve complex technical challenges, improve system reliability, and drive technical excellence. This position is ideal for an engineer who enjoys ownership, thrives in active development environments, and is eager to contribute to impactful educational products used by millions of students nationwide. Technology stack Languages & Frameworks: Node.js, JavaScript, React.js APIs: RESTful APIs, GraphQL Data Stores: PostgreSQL, MongoDB Cloud & Infrastructure: AWS (AppSync, Lambda), Serverless, Terraform, Datadog Responsibilities • Design, implement, and maintain scalable, high-performance solutions using JavaScript / TypeScript • Lead technical decisions in Node.js backend development and modern frontend frameworks (e.g. React) • Identify and resolve performance, scalability, reliability, and security issues across complex systems • Participate in and drive code reviews, architectural discussions, and technical improvements • Improve system observability, monitoring, logging, and error handling • Ensure high code quality through testing, documentation, and CI/CD practices Requirements • 10+ years of professional software development experience • 5+ years of experience with Node.js • 2+ years of experience with a modern frontend framework (e.g. React) • Experience with database technologies (ideally NoSQL DBs and MongoDB) • Experience deploying production systems in the cloud (AWS) • Experience (professional or personal) with using and integrating the latest AI coding technologies: e.g., LLMs, Model Context Protocol, Claude Code, GitHub Copilot • Strong problem - solving ability and experience working within complex systems and large code bases • Strong communication and collaboration skills, and the ability to work in a self-driven way Nice to have • Ukrainian language proficiency What We Offer: • Vacation days: Up to 26 business days per year. • 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types • Health and life insurance (Luxmed) • MyBenefit platform with Multisport option • Internal psychological support service • English language classes from the first working day • Access to external learning platforms: O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training • Flexible workplace: work from the office, from home, or choose a hybrid option • Tech Skills Mentoring Program • Opportunities to develop as a public speaker, mentor, or technical interviewer • Fully paid idle (bench) when not involved in a project • Certification reimbursement (AWS, GCP, Microsoft, etc.)