Senior Backend Engineer

at AllCares
  • Remote - Ukraine

Remote

Software Development

Senior

Job description

About the Role

We are looking for a Senior Backend Engineer to join and extend our growing product team to help build scalable, high-performance backend systems for our SaaS platform. You will take ownership of core platform features, work on system architecture, and help drive our technical evolution towards microservices alongside our existing engineering team.

This is an exciting opportunity to shape the future of our platform as we expand our team and execute our transition from a monolithic to a microservices architecture in 2026.

What You’ll Do

  • Design and implement scalable backend features and APIs.
  • Optimize application performance and database queries.
  • Write clean, maintainable, and well-tested code.
  • Participate in architectural decisions and system design.
  • Contribute to our microservices transition strategy.
  • Collaborate with product and frontend teams to deliver new features

Tech Stack

  • Current: PHP 8.x, Yii2 Framework, MySQL, ClickHouse, Redis
  • Infrastructure: AWS (EC2, RDS, ElastiCache, S3)
  • Tools: Git, Docker, PHPUnit

What We’re Looking For

  • 5+ years of backend development experience, with strong PHP expertise
  • 2+ years experience with Yii2 framework
  • Proven experience in SaaS product development
  • Deep knowledge of PHP 7+/8+ and modern PHP practices
  • Strong understanding of OOP, design patterns, and SOLID principles
  • Proficiency in SQL optimization and database design
  • Experience with ClickHouse database
  • Experience with REST APIs and API design
  • Understanding of caching strategies and performance optimization
  • Familiarity with automated testing and CI/CD practices
  • English proficiency at least Pre-Intermediate

Nice to Have

  • Experience with microservices architecture and distributed systems
  • Knowledge of message queues (RabbitMQ, Apache Kafka)
  • Experience with Docker and container orchestration
  • Familiarity with AWS services

Why Join Us?

  • Lead backend development on a growing SaaS platform
  • Participate in architectural transformation to microservices
  • Collaborate with a senior engineering team
  • Enjoy full remote flexibility and a product-first culture
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