Senior Python Developer (Web3)

TL;DR

Senior Python Developer (Web3): Design and implement scalable backend systems for an iGaming loyalty platform with an accent on RESTful APIs, microservices, and database optimization. Focus on leading architectural decisions, integrating third-party services, and mentoring junior developers.

Location: Hybrid format: Warsaw, Poland or Kyiv/Lviv, Ukraine

Company

hirify.global is a Loyalty Booster Suite that enables iGaming brands to build lasting customer relationships based on trust and mutual benefit.

What you will do

• Design and implement scalable, high-performance backend systems.
• Lead architectural decisions and contribute to system design.
• Develop RESTful APIs and microservices.
• Integrate third-party services and external APIs.
• Write clean, maintainable, and well-tested code; conduct code reviews.
• Mentor Middle and Junior developers.

Requirements

• 5+ years of commercial experience with Python.
• Strong proficiency in Python 3.x.
• Deep understanding of OOP principles and SOLID.
• Experience with Django / FastAPI / Flask.
• Strong experience designing RESTful APIs.
• Solid understanding of microservices architecture.
• Experience with PostgreSQL or MySQL.
• Strong SQL skills and query optimization.
• Experience with ORM (SQLAlchemy or Django ORM).
• Experience with Redis or other caching systems.
• Experience with message brokers (RabbitMQ / Kafka).
• Hands-on experience with Docker.
• Experience working with Linux environments.
• Familiarity with CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins).
• Strong testing experience (Pytest / Unittest).
• Experience with Git and code review processes.
• Experience with Kubernetes.
• Experience with AWS, GCP, or Azure.
• Knowledge of Clean Architecture, DDD, Event-driven architecture.
• Experience with Elasticsearch.
• Familiarity with GraphQL.
• Experience with data processing (Pandas, NumPy).

Culture & Benefits

• Hybrid format: Warsaw, Poland or Kyiv/Lviv, Ukraine
• Flexible working hours.
• Compensation that includes coverage for 20 days to recharge and unwind, and 14 days for health-related matters.
• Support in professional growth during the initial months.
• Engaging corporate events and activities.
• Competitive financial compensation.