Zeely

Senior Back-End Developer

10mo ago
CISSeniorRemote
Zeely

Senior Back-End Developer

10mo ago
CISSeniorRemotenode.jsrest apipostgresqlredisawsunit testingintegration testingmicroservices

Develop and maintain back-end web applications including REST APIs, database integration, deployment on AWS, and ensuring performance and code quality.

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

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

Other

  • Join us as a Senior Node.js Developer and become part of a team that builds an innovative product with clean code, bold solutions, and a strong team spirit! You’ll work directly with stakeholders, influencing key decisions and driving product growth.
  • Zeely AI is a platform that leverages artificial intelligence to generate viral UGC videos and ad banners, and to launch effective ad campaigns on Facebook and Instagram — helping small businesses get noticed and grow.
  • We already have 1 million users in the US, making us one of the Top 3 players in our vertical on the American market by active user count. Zeely is a stable product, growing more than 4x annually in the US, with a team of 130+ professionals.
  • We are proud to be part of the Google for Startups Alumni community and official partners of Meta and TikTok. In 2024, Zeely was recognized among the Top 25 fastest-growing startups in Ukraine by Forbes.
  • 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)
  • 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