Middle Strong Node.js developer

Iryna Labaz

Recruiter

i.labaz@geniusee.com

+380 97 340 22 02

@IrynaLio

Apply 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.

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.

Would be a plus

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 you will do

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.

What you will get

Competitive salary level;
English classes;
Exciting and challenging startup projects;
Ability to practice English and communication skills through permanent interaction with clients from all over the world;
Career development opportunity;
Informal and friendly atmosphere;
Cozy office near the city center;
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 parties;
Paid vacation (18 working days) and sick leaves;
Insurance;
Unlimited work from home (remote).

Please be informed that the data administrator is Geniusee LLC with headquarter at BC Y4, Yaroslavsky Lane 4, 04071, Kyiv, Ukraine. Processing of personal data is carried out in accordance with the Law of Ukraine "On Protection of Personal Data" dated 01.06.2010 No. 2297-VI. You have the right to request access to your personal data, their release, removal or restriction of admission, the right to make a warning against admission, as well as the right to transfer the data and to make arrangements. The submission of data is voluntary and this personal data is processed in order to manage candidate applications and recruitment (selection process, interview follow-up, your job alerts management). Refusal to provide these obligations may result in a lack of opportunity to conduct the recruitment process.

Candidate personal data is addressed to Geniusee and is available to our recruitment teams, our employees involved in the recruitment process, our HR teams, and our IT teams which administrate our tools. As a part of our recruitment process evaluation, some of your data (name, surname, email address) may be used in charge of organizing events during which we may invite certain candidates.