# Senior Backend Developer (Node.js) at Zeely Inc.

Senior Backend Developer (Node.js) at Zeely Inc. in Ukraine. Remote, full-time. Posted August 25, 2025.

- Company: Zeely Inc.
- Location: Ukraine
- Workplace: Remote
- Job type: Full-time
- Experience: 5+ years
- Posted: 2025-08-25
- Apply: https://jobs.ashbyhq.com/zeely/ac3320b8-5f3f-4af7-9350-60fa67cb29a9/application
- Source: https://jobmagic.ai/jobs/senior-backend-developer-nodejs-zeely-inc-kpbajq

## Requirements

- 5+ years of commercial experience with Node.js applications
- 1+ years of experience with microservices architecture
- 2+ years of hands-on work with Redis and PostgreSQL/MySQL (data modeling, indexing, caching, ORM such as Prisma/TypeORM/Drizzle ORM)
- Experience with AWS
- 2+ years of experience with message brokers
- 1+ years of experience with Docker
- Understanding of scalable and reliable system design principles
- Experience with version control systems (Git)

## Description

Join** Zeely AI as a Senior Backend Developer** and help build one of the largest AI products for businesses. We're looking for a strong backend engineer who wants to work on high-load services, influence architectural decisions, and build systems that scale alongside a rapidly growing business.
Over the past six months, our backend team has grown to 14 engineers, and we're continuing to expand. Today, Zeely is the #1 AI product in its niche in the U.S. market, and our ambitious goal is to become a global company by 2028.
You'll be joining a strong engineering environment, working alongside former Tech Leads, Engineering Managers, and Senior Engineers who foster a high engineering standard, support each other's growth, and tackle complex technical challenges together.
**Zeely AI** is the agentic AI platform for creating, launching, and scaling paid ads.
Want to see what we're building? Check out examples of our AI-generated videos on our website and across our Instagram, X (Twitter), and LinkedIn. We highly recommend taking a look before applying—it's the best way to experience the product you'll be working on.
**Your key responsibilities:**

- Developing and maintaining the back-end of web applications

- Designing and building REST APIs

- Working with PostgreSQL and Redis databases

- Integrating with third-party APIs

- Building and deploying applications on AWS (EC2, S3, CloudFront)

- Writing unit and integration tests

- Optimizing application performance

- Debugging and troubleshooting issues

- Writing technical documentation

- Conducting code reviews

**What we’re looking for:**

- 5+ years of commercial experience with Node.js applications

- 1+ years of experience with microservices architecture

- 2+ years of hands-on work with Redis and PostgreSQL/MySQL (data modeling, indexing, caching, ORM such as Prisma/TypeORM/Drizzle ORM)

- Experience with AWS

- 2+ years of experience with message brokers

- 1+ years of experience with Docker

- Understanding of scalable and reliable system design principles

- Experience with version control systems (Git)

**Nice to have:**

- 1+ years of experience with the NestJS framework

- Experience with payment systems

- Valid AWS certification

- Commercial experience with high-load systems

- Experience building back-end for iOS, Android, and web applications

- Experience with Terraform/Pulumi

- Commercial experience with AI APIs

- English level: Upper-Intermediate

**Why it’s exciting to work with us:**

- Work with cutting-edge technologies and contribute to building AI-powered tools

- Join a strong A-level team that motivates you to grow and achieve more

- Remote-first approach: work from anywhere, with the option to visit our offices in Warsaw and Kyiv

- Paid day offs and sick leaves — we care about your work-life balance

- Regular performance reviews to ensure your growth is transparent and rewarded

- Financial support — consultations for private entrepreneurs from our dedicated finance team

**Recruitment process: **Intro call > Test Task > Technical Interview > Final Interview > Reference check > Offer
**Send us your CV — we’d love to get to know you better!**