Senior Software Engineer II (Python, Payments)

We’re not just building restaurant tech—we’re giving independent restaurants the tools to compete and win. From our award-winning point-of-sale to AI-powered profit tools, everything we do helps operators boost profit, work smarter, and keep their best people. And every solution is backed by real humans who actually give a sh*t about helping restaurants succeed.Named the #1 Restaurant POS by G2 (Fall 2025), based on ratings from real usersRated the top-rated point-of-sale (POS) for restaurants, bars, retail, and small businesses by Capterra usersAwarded Great Places to Work and Built In’s Best Workplaces for multiple years runningWe move fast, care hard, and fight for independent restaurant operators to do what they love, and love doing it. If you’re looking to make an impact with heart and hustle, SpotOn is the place for you.On a daily basis you will:Modify existing software to implement new features, correct errors, and improve performance.Confer with systems analysts, developers, programmers, and others to design systems and to obtain information on project limitations, capabilities, and performance requirements (be proactively involved in the process and assist in identification of quality improvements).Participate in code reviews, mentor other developers, ensure consistency, quality, and best practices in order to ensure compliance.What skill are we looking for?5+ years of real-world experience with modern Python.Willing to come into our Kraków or Gdańsk office 2-3 times per week.Experience in at least one of the modern Python frameworks – Django, FastAPI, Flask.Experience building and consuming APIs.SQL and NoSQL Database skills – You shouldn’t be afraid of executing basic queries containing simple filters and aggregations.Knowledge of Python idioms and design patterns.Using CI/CD processes on a daily basis.Experience in working with Agile methodologies – preferably Scrum.Understanding the end-to-end delivery of software to users.Familiarity with DevOps technologies: Terraform, Kubernetes, and AWS.Excellent command of written and spoken English (min. B2 level).Experience with ES6 JavaScript, and React + Redux would be a plus!Knowledge of GO language would be an additional advantage.Here’s a bit about what we have to offer:Competitive pay: 23 800 - 29 800 PLN net on B2B.Training budget 3500 PLN gross per year.Access to e-learning platforms (O’Reilly).Fully paid private healthcare in LuxMed.Access to the Worksmile platform with a monthly top-up.Subsidized access to breakfast and lunch through the vending machine in Kraków office, and lunches in Gdańsk office once a week.Group English classes with a native speaker.New Macbook Pro, 4K monitors or whatever tools you need.Flexible working hours.New, modern, bright and comfortable office space in the city centre.Access to the company’s library.Great working atmosphere.Chill out room with a PlayStation and games.Free snacks and beverages in a kitchen.Company parties and social activities.Employee referral program.Relocation Package within Poland.