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We are building a large-scale, cloud-native SaaS platform and are looking for an experienced Node.js Developer to join our engineering team. If you enjoy designing distributed systems, working with modern serverless technologies, and solving complex technical challenges, this role is for you.
Your tasks
Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.
Benefits For You
Great Place to Work
Solid financial situation
Contracts with the biggest brands
Centre of internal trainings
Many experts you can learn from
Open and accessible management team
Profit sharing
Passion Sponsorship program
Regular integration events and trips
Comfortable and well-equipped offices
MySii app
Medical care
Your tasks
- Design and build backend services in Node.js/TypeScript
- Create and maintain REST and GraphQL APIs
- Implement multi-tenant SaaS logic and data isolation
- Develop serverless solutions on AWS
- Ensure platform security, reliability, and performance
- Collaborate closely with the engineering team on-site
- At least 5 years of experience as a Node.js Developer
- Experience in building large-scale distributed systems
- Very good knowledge of TypeScript/Node.js
- Hands-on experience with AWS serverless architecture
- Experience with multi-tenant SaaS platforms and account isolation patterns
- Ability to design APIs (REST + GraphQL)
- Willingness to work on-site in Gdańsk (working from the office 3 days a week)
- Fluent Polish required
- Residing in Poland required
Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.
Benefits For You
Great Place to Work
Solid financial situation
Contracts with the biggest brands
Centre of internal trainings
Many experts you can learn from
Open and accessible management team
Profit sharing
Passion Sponsorship program
Regular integration events and trips
Comfortable and well-equipped offices
MySii app
Medical care
Key Skills
Ranked by relevance
serverless
saas
graphql
cloud
aws
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- Posted
- May 14, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Gdańsk
- Company
- Sii Poland
Industries
IT Services
IT Consulting
Categories
Engineering
Information Technology
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3 roles aligned with this opportunity
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Kotlin Developer (f/m/x)
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Kotlin Developer (f/m/x)
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