70 ruby English-speaking jobs in Masovian Voivodeship

. → Experience in at least one of Upside’s core technology stack: Ruby, Python, JavaScript or the willingness

Skills & Experience Strong experience with Ruby.

development experience with Python Experience with an additional backend language such as Java, C#, C/C++, Ruby

Have Early‑stage startup or founder experience Experience with LLM‑powered product features Python or Ruby

background Exposure to AI/ML-powered products Experience working without heavy PM structure Python or Ruby

development skills with Python Additional programming language (preferably C#, but also C/C++, Java or Ruby

transformation for reporting and analytics Requirements: Good knowledge of Python (experience with Ruby

Tools: Modern frontend frameworks such as React, Vue, or similar Backend frameworks such as Node.js, Ruby

Experience with scripting languages like Python, Ruby, Shell.

Proficiency in Python, Shell, Ruby, Golang, or C++ and experience with infrastructure-as-code tools (

Security, CISSP Familiarity with Cloud Platforms such as AWS Programming and Ops Skills: Python, Perl, Ruby

;Experience with scripting fundamentals (Python, Bash, Ruby, Lua or similar);In-depth knowledge of version

Practical Linux skills and scripting capabilities in Bash, Python, or Ruby.

Java, C++, Python, C#, Ruby, PHP, TypeScript, Kotlin, Swift or similar) Ability to read and analyze log

involves working with a range of products, including alternative versions of NodeJS, PHP, Python, and Ruby

downtime.Experience with at least one major programming language (e.g., PHP, Java, Node.js, Go, Python, Ruby

Preferred skills Experience with blockchain integration Comfortable with high‑availability concepts Ruby

new technologies and share that knowledge, with programming skills in languages such as C, GoLang, Ruby

Proficiency in programming languages such as Java, Python, or Ruby.

WebSocket channels WebSocket & Server-Sent Events support Backend Technologies Node.js TypeScript Elixir Ruby