Senior Back-end Engineer - PHP, Node.js

Accountabilities:

• • Design, develop, test, and deploy high-quality, scalable back-end software, while continuously improving existing code and architecture.
  • Contribute to the development of commerce solutions capable of supporting high-load and distributed environments.
  • Take ownership of technical initiatives from design through execution, ensuring projects are delivered against agreed priorities and business objectives.
  • Partner closely with product managers and stakeholders to translate business needs into effective technical solutions and challenge requirements when a different approach would create greater user or business value.
  • Apply sound architectural principles, including Domain-Driven Design (DDD), CQRS, and distributed systems patterns, to build maintainable and resilient services.
  • Participate actively in code reviews, refactoring, testing, debugging, and pair programming to maintain high engineering standards.
  • Identify and prioritize bugs, performance issues, and platform improvements, taking ownership of their resolution.
  • Monitor and optimize application performance, reliability, and overall system quality.
  • Contribute to a culture of continuous learning through technical knowledge-sharing sessions, mentoring, and best-practice discussions.
  • Use AI and LLM-based development tools thoughtfully to support architecture exploration, implementation, testing, debugging, documentation, and code quality.

  Requirements:

  • 5+ years of professional back-end development experience, with strong proficiency in either PHP or Node.js and a willingness to develop expertise in the other.
  • Strong knowledge of high-load architecture, distributed systems, Domain-Driven Design (DDD), and CQRS.
  • Solid understanding of software engineering principles and best practices, including SOLID, TDD, CI/CD, Agile development, and automated testing.
  • Professional experience with technologies such as PHP 8.1+, Symfony, Laravel, Yii2, Doctrine, or PHPUnit, or comparable back-end technologies.
  • Experience working with databases and infrastructure such as MySQL, PostgreSQL, MongoDB, Redis, AWS, Kubernetes, and Docker is highly relevant.
  • Strong debugging, testing, troubleshooting, and application-performance optimization skills.
  • Comfortable working with modern engineering and observability tools such as Git, GitLab/GitHub, Grafana, Kibana, Prometheus, and Postman.
  • Practical experience using LLMs and coding assistants, including tools such as Claude or GitHub Copilot, as partners for problem-solving, architectural brainstorming, coding, testing, and development workflows.
  • Strong product mindset, with the ability to prioritize work based on business and customer impact rather than technical preference alone.
  • Demonstrated ownership, critical thinking, adaptability, and ability to operate effectively in a rapidly evolving environment.
  • Excellent collaboration and communication skills, with a good level of spoken and written English.
  • Comfortable working remotely and collaborating asynchronously with an international, distributed team.

  Benefits:

  • Fully remote work within EMEA, including Romania.
  • Flexible working hours, with the ability to start your day as late as 11 AM.
  • Option to work from a modern office environment where available.
  • Private health insurance.
  • 2 additional paid days off dedicated to mental or physical well-being.
  • 1 additional paid day off for your birthday or another personal celebration.
  • Internal and external learning and professional development opportunities.
  • Access to mentorship, internal meetups, and hackathons, both online and on-site.
  • Healthy and free lunch when working from the office.
  • Employee discounts and opportunities to design and order branded merchandise.
  • Regular team-building activities and social events.
  • A supportive, inclusive, and ambitious international engineering environment.
  • Opportunities to work with modern technologies, distributed systems, and AI-assisted software development.