Senior Back-End Developer

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)
• 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!

Benefits

Additional Information

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. 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

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