Middle/Middle strong Node.js Developer

Iryna Yekholova

Recruiter

i.yekholova@geniusee.com

+380 93 793 03 20

@Eholivs

Apply now

Requirements

4+ years of experience in software development;
3+ 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: Upper-Intermediate 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 and high-performance backend services using Node.js (TypeScript, NestJS, or Express);
Build and maintain secure RESTful and GraphQL APIs, ensuring reliable integration with frontend applications (React or similar);
Design and implement serverless and cloud-native architectures using AWS;
Work with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis), ensuring optimized queries, caching, and data consistency;
Implement authentication and authorization mechanisms (JWT, OAuth 2.0, Passport.js) and apply best practices in security and data protection;
Analyze and improve system performance, identify bottlenecks, and apply optimized and scalable solutions;
Collaborate closely with frontend, QA, DevOps, and PM teams to ensure end-to-end delivery and seamless deployment;
Participate in code reviews, sprint planning, and CI/CD pipeline improvements;
Contribute to technical assessments, estimations, and discovery or pre-sales phases, preparing Proofs of Concept (PoCs) when needed;
Provide technical guidance and mentorship to junior developers and support knowledge sharing within the team;
Ensure high code quality, maintainability, and adherence to industry standards and best practices.

What you will 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.

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.