Oferty dla Practical Ruby Android praca Łódź

03.07.2026 | Pełny etat | Łódź | UpsideUnderstanding of monoliths, microservices, and messaging patterns. Databases Expert knowledge of PostgreSQL and performance optimization at scale. Infrastructure Practical experience with CI/CD, Docker, and AWS/GCP. Mindset Proactive, technology-driven, and ready to experiment. AI-Native You use tools like

03.07.2026 | Pełny etat | Łódź | UpsideEngineering Standards Advocate for code quality, security, and performance across the entire repo. Continuous Improvement Constantly evaluate new tech (especially AI/LLM) to improve delivery. Requirements Experience 5 years of building complex web applications. Backend Strong proficiency in Python or Ruby

02.07.2026 | Pełny etat | Łódź | KOLEOJazdy wszystkich pasażerskich przewoźników kolejowych w Polsce, bilety wszystkich przewoźników ogólnopolskich ( PKP Intercity, POLREGIO, RegioJet, LEO express ) i regionalnych oraz najważniejszych przewoźników autobusowych ( Flixbus, MLD ).Aplikacje KOLEO na Android oraz iOS należą

02.07.2026 | Pełny etat | Łódź | DataArtProject overview This project focuses on building and maintaining high-volume, complex API integrations with external partners in a domain where transactional integrity and money flows are critical. Position overview We are looking for a Backend Engineer with strong expertise in pure Ruby

02.07.2026 | Pełny etat | Łódź | UpsideShare your findings and lessons learned from the code to help the team grow. AI Implementation Support the integration of Applied AI features into client products. Requirements Experience 2 years of commercial experience in building web applications (Python or Ruby). Fundamentals Solid understanding