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November 3, 2026

Senior PHP Backend Engineer

Senior • On-site

285,600 - 400,800 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: Senior Backend Engineer (PHP)
  • Focus: scalable, secure, resilient distributed backend services

Description

You will help scale a backend platform for online privacy and personal data protection by designing core application services and eliminating architectural bottlenecks. The role emphasizes reliability, low latency, data security, and end-to-end ownership from technical RFCs and system design through deployment and post-launch stability.

Responsibilities

  • Partner with product managers and stakeholders to translate business requirements into scalable technical proposals
  • Architect, build, and maintain high-traffic, business-critical backend services
  • Drive performance improvements by identifying bottlenecks and optimizing database queries and distributed workflows
  • Lead technical decisions across service boundaries, including domain modeling, data persistence, and deployment pipelines
  • Improve engineering quality through high-standard code reviews, testing practices, and mentoring

Requirements

  • Senior-level production backend experience using PHP (modern 8.x)
  • Familiarity or willingness to work with Go or Node.js/TypeScript
  • Proven track record designing scalable RESTful APIs and clean domain models/microservice or modular architectures
  • Hands-on relational database experience (PostgreSQL, MySQL) with indexing, schema optimization, and caching strategies (e.g., Redis)
  • Ability to drive projects end-to-end and make sound trade-offs between speed, scalability, and technical debt
  • Mastery of automated testing (unit, integration, end-to-end) and CI/CD pipelines
  • Maintainable, well-documented code and strong engineering ownership

Benefits

  • Growth and learning opportunities (learning time, conferences, books)
  • Health and wellness benefits including workouts, physical coach, gym, and mental health checks
  • Choice of tools and technical equipment
  • Community and celebrations (yearly workation, team events)
  • Commuting support via partial public transport cost compensation
  • Work-life balance with office-first model plus up to two remote days/week and broad WFA option
  • Premium Surfshark accounts for you and your family/friends
  • Gross salary range: 5,600–7,200 EUR/month (Lithuania) or 23,800–33,400 PLN/month (Poland), depending on skills and experience

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