Senior Backend Developer (AI)

TL;DR

Senior Backend Developer (AI): Designing and implementing a Python-based rules/decision engine for a smart video ecosystem with an accent on handling complex conditional logic, deterministic execution, and real-time performance. Focus on integrating rule definitions from tabular formats, ensuring safe updates, and collaborating with AI/ML teams for alignment with business needs.

Location: Remote/Hybrid in Bulgaria, Georgia, Lithuania, Mexico, Moldova, Poland, Romania, or Ukraine

Company

hirify.global is a global leader in smart access solutions, providing AI-powered connected products like cameras and locks for smart homes and businesses.

What you will do

• Design and implement a Python-based rules/decision engine.
• Build logic for ingesting and interpreting rule definitions from tabular formats.
• Implement decision-table semantics, including ordered rule evaluation and conditional branching.
• Ensure safe updating, validation, and testing of rules.
• Maintain high performance and reliability for real-time rule evaluation.
• Collaborate with product, backend, and AI/ML teams.

Requirements

• 5+ years of strong Python backend development experience.
• Strong engineering mindset focusing on correctness, maintainability, and long-term extensibility.
• Experience building production-grade RESTful APIs and microservices.
• Ability to write clean, readable, maintainable, and well-structured code.
• Strong understanding of conditional logic, control flow, and deterministic execution in backend systems.
• Ability to understand and implement decision-table-based logic.

Nice to have

• Prior experience building a rules or decision engine, including working with decision tables, DMN, or similar rule modeling approaches.
• Familiarity with existing rules engines (e.g., Drools or custom implementations).

Culture & Benefits

• Technical and non-technical training and internal conferences for professional growth.
• Support and mentorship from experienced employees.
• Internal startup incubator.
• Health insurance and English courses.
• Sports activities to promote a healthy lifestyle.
• Flexible work options, including remote and hybrid opportunities.
• Referral program and additional vacation days.