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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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