5Blue Software
AI Systems Architect
About this role
Description: Join an early-stage engineering team to build an AI-focused platform for large-scale data processing and model evaluation. Design core systems, operate the data layer end to end, and collaborate closely with the engineering lead on technical decisions. Requirements: Strong architectural thinking with a focus on components, ownership boundaries, and reusability. Experience in building agentic systems and automation independently. Hands-on experience with large-scale data pipelines processing millions of records. Strong instinct for reliability and validation of results with control groups. Research-minded approach to running clean experiments and defending results. Comfort with backend, SQL, reporting, and operations. Benefits: Flexible work environment with remote work opportunities. Individual English language training to enhance communication skills. Comprehensive health insurance for well-being. Supportive and collaborative international team. All necessary equipment provided for job performance. Full accounting assistance in Ukraine and Poland. 18 days of annual vacation and 7 days of sick leave without a doctor's note. Flexible payment system with multiple withdrawal options.