Senior Fullstack Engineer
UpsideLesser Poland Voivodeship, Poland • Poland
Posted February 28, 2025
20800 - 25900 PLN year
Full Time
About the Company
Upside is a technology company founded in 2016 that leverages personalization, data analytics, mobile apps, digital marketing, retail tech, and fintech to increase the financial power of individuals and brick-and-mortar businesses. By enhancing purchasing power and boosting profitability, Upside also contributes to sustainability initiatives, making a significant impact on both economic empowerment and environmental responsibility.
Job Description
We're partnering with ambitious companies to solve complex problems through technology. As a Senior Fullstack Engineer, you'll design, develop, and maintain production-grade platforms for our global clients.
Requirements
- Extensive commercial experience in building web-based applications (+5 years)
- Experience in at least one of Upside's backend technology stack: Ruby, Python, JavaScript or the willingness to learn based on your current skills
- Experience in at least one of Upside's frontend technology stack: Vue and React or the willingness to learn based on your current skills
- In-depth understanding of SQL and relational databases
- Experience with Continuous Integration and Continuous Delivery
- Experience in direct work with different stakeholders (e.g. Product Owners or Business Founders) in a consulting setting
- Deep understanding of end-to-end software development cycle
- Great command of written and spoken English
Benefits
- Transparent progression path
- Flexible work: office in Kraków, hybrid or remote from anywhere in Poland, with company on-sites
- Additional paid days off beyond national holidays
- A deeply collaborative, engineering-led company culture
- Support for ongoing learning