Backend Developer (Node.js)
Zeely Inc. · Remote · Ukraine ·
COMPENSATION
€•• – ••k
Listed on the employer's job board (Ashby)
- Senior Backend Role
- Node.js + AWS
- Fully Remote
- High-load Systems
- Microservices Arch
Join the backend team at Zeely AI, an agentic platform for creating and scaling paid ads. You will work on high-load services, influence architectural decisions, and collaborate with experienced engineers to support global growth.
The team values high engineering standards and mutual support. This position offers the chance to tackle complex technical challenges while building systems that scale with the business.
What you'll do
- Develop and maintain web application backends
- Design and build REST APIs
- Manage PostgreSQL and Redis databases
- Integrate with third-party APIs
- Deploy applications on AWS infrastructure
- Write unit and integration tests
- Optimize application performance and troubleshoot issues
- Conduct code reviews and write technical documentation
What you'll need
- 5+ years commercial experience with Node.js
- 1+ year experience with microservices architecture
- 2+ years hands-on work with Redis and PostgreSQL/MySQL
- Experience with AWS services
- 2+ years experience with message brokers
- 1+ year experience with Docker
- Understanding of scalable system design principles
- Proficiency with Git version control
Nice to have
- 1+ year experience with NestJS framework
- Experience with payment systems
- Valid AWS certification
- Commercial experience with high-load systems
- Backend experience for iOS, Android, and web
- Experience with Terraform or Pulumi
- Commercial experience with AI APIs
- Upper-Intermediate English level
Stack
- Node.js
- PostgreSQL
- Redis
- AWS
- Docker
- NestJS
- Git
- Terraform
How you'll work
- Remote-first approach, work from anywhere
- Option to visit offices in Warsaw and Kyiv
What you get
- Paid days off and sick leave
- Regular performance reviews for transparent growth
- Financial support consultations for entrepreneurs
- Work with cutting-edge AI technologies
Hiring process
- Intro call
- Test Task
- Technical Interview
- Final Interview
- Reference check
- Offer