Middle Strong Node.js Developer

Our mission at Geniusee is to help businesses thrive through tech partnership and strengthen the engineering community by sharing knowledge and creating opportunities🌿
Our values are Continuous Growth, Team Synergy, Taking Responsibility, Conscious Openness and Result Driven. We offer a safe, inclusive and productive environment for all team members, and we’re always open to feedback 💜 If you want to work from home or work in the offices in Kyiv or Lviv with stable electricity and Wi-Fi , great — apply right now.

About the project:

Geniusee is developing a modular, multi-tenant next-generation Learning Management System (LMS) for corporate and educational clients. The platform will serve as the technological foundation for corporate training, compliance, and onboarding — combining scalability, analytics, and AI-driven learning features.

As a Middle Strong Node.js Developer, you will:

● Design, develop, and maintain scalable backend services using Node.js (TypeScript) and NestJS
● Build secure, high-performance APIs and integrate them with React-based frontends
● Work with PostgreSQL and Redis, ensuring optimized queries and caching strategies
● Implement authentication/authorization (JWT, Passport.js, OAuth 2.0)
● Collaborate with front-end, QA, and DevOps engineers to ensure consistent delivery
● Support integration with AWS and Google Cloud services (S3, ECS, CloudFront, etc.)
● Contribute to architectural decisions and help define API contracts and best practices
● Participate in sprint planning, code reviews, and CI/CD pipeline improvements

Requirements:
● 4+ years of experience in building and maintaining backend applications in Node.js/TypeScript;
● Hands-on experience with NestJS (or similar), React (primary), Next.js (SSR/SSG);
● Strong understanding of REST and GraphQL APIs;
● Experience with PostgreSQL, Redis, and TypeORM;
● Familiarity with Docker, Kubernetes, and AWS (CDK, ECS, S3, CloudFront);
● Experience in microservices architecture and distributed systems;
● Solid knowledge of SOLID principles, design patterns, and clean code practices;
● Experience writing unit and integration tests (Jest or similar);
● Understanding of authentication, CORS, and secure data flows;
● Experience working with Agile teams (JIRA or similar);
● Experience working in cross-functional teams;
● A proactive, responsible mindset with a focus on solving user and business problems;
● Passion for learning new technologies or solutions to improve product development;
● English: Intermediate strong or higher.

Nice to Have:

● Experience in EdTech / eLearning or corporate SaaS products;
● Understanding of data-driven architectures and analytics integrations;
● Exposure to Machine Learning, data engineering, or AI-driven personalization;
● Familiarity with React/Next.js (for occasional cross-functional collaboration);
● Experience with Serverless components and event-driven architectures.

What will you get:
● Competitive salary and good compensation package;
● Exciting, challenging and stable startup projects with a modern stack;
● Corporate English course;
● Ability to practice English and communication skills through permanent interaction with clients from all over the world;
● Professional study compensation, online courses and certifications;
● Career development opportunity, semi-annual and annual salary review process;
● Necessary equipment to perform work tasks;
● VIP medical insurance or sports coverage;
● Informal and friendly atmosphere;
● The ability to focus on your work: a lack of bureaucracy and micromanagement;
● Flexible working hours (start your day between 8:00 and 11:30);
● Team buildings, corporate events;
● Paid vacation (18 working days) and sick leaves;
● Cozy offices in 2 cities ( Kyiv & Lviv ) with electricity and Wi-Fi ( Generator & Starlink )
● Compensation for coworking (except for employees from Kyiv and Lviv)
● Corporate lunch + soft skills clubs
● Unlimited work from home from anywhere in the world (remote);
● Geniusee has its own charity fund.