Senior PHP Software Engineer

About the Position

We are seeking a Senior PHP Software Engineer with 7+ years of experience to join our e-commerce platform team in Poland, focusing on backend service architecture.

About the Company

We are an e-commerce platform and a network of travel agencies offering a wide range of travel products. Since 2015, we have been part of Wirtualna Polska Holding – Poland’s largest group of media and e-commerce companies. Together with Travelplanet.pl and the Invia brands across CEE, we are building a unified travel group driven by a shared #TravelMindset. In our daily work, we #Explore better ways to grow, #Engage through real ownership and teamwork, and #Enjoy building experiences that people genuinely look forward to.

Send us your CV and… see you at Invia CEE x Travelplanet.pl x Wakacje.pl! ✈️

Responsibilities

• Support the Team Lead in designing the architecture of services and broader technical solutions, collaborating closely on planning and roadmap decisions
• Consult with the area Architect to ensure proposed solutions align with overall system architecture and standards
• Lead regular mentoring sessions with developers, supporting their technical growth and code quality
• Evaluate architectural options critically, selecting solutions that fit actual business and technical needs while avoiding over-engineering
• Design and maintain REST APIs and event-driven/queue-based integrations across services
• Ensure code quality and reliability through unit and integration testing (PHPUnit) and active participation in code reviews

Requirements

• 7+ years of experience with PHP 7.x/8.x
• Proficiency in a major PHP framework - multi-framework environment (Symfony, Laravel, Slim); minimum 3–4 years of production experience with at least one, with working knowledge of the others and the ability to move between frameworks comfortably
• Hands-on experience with REST API design and development
• Experience writing automated tests with PHPUnit (unit and integration testing)
• Familiarity with the Linux command line (basic level required)
• Strong understanding of relational databases and SQL (PostgreSQL) - schema design, query optimization, indexing, transactions
• NoSQL / caching technologies (Redis, Elasticsearch) - working level
• Git / GitHub (pull requests, code review), Docker
• OOP, SOLID principles, design patterns
• Sound architectural judgment - ability to select solutions appropriate to actual needs and avoid over-engineering (key aspect of this role)
• Event-driven architecture / message queues
• English proficiency at a B2+ level (communicative)

Soft Skills (Required)

• Strong communication - able to clearly explain and justify technical decisions to the Team Lead and the wider team
• Analytical thinking, problem-solving, and the ability to weigh trade-offs
• Collaboration and mentoring - planning with the Team Lead and leading regular development sessions

Nice to Have / Willingness to Learn

• Hands-on experience with Docker and Elasticsearch
• Experience with message brokers like RabbitMQ
• Knowledge of visualization tools like Kibana or Grafana
• Contributing to CI/CD pipelines
• An additional programming language (Go, Python, JS/TS)
• SEO in e-commerce context

We Offer

Workplace safety and comfort:

• Employment based on an employment contract or B2B,
• Full support during the onboarding period under the supervision of an engaging leader/buddy.

Business agency and agility:

• Real influence on business decisions, the ability to take initiatives and implement your ideas.

Development within the organization:

• Individual Development Plan,
• Participation in training courses and conferences to enhance professional competencies.

All-inclusive for Employees:

• A benefits package that you can use according to your preferences – Lux Med medical care, Health and Life Insurance (PZU and Warta), Multisport card, shopping and lunch vouchers, and many other cafeteria offers available on the Worksmile platform,
• Study Tour – trips abroad to explore our product offerings (destination tours and hotel audits),
• A training and webinar package supporting professional and personal development,
• Discounts on our products for employees and their families,
• Possible to work from one of our office in Gdańsk (Alchemia office complex), Wrocław (Legnicka Business Garden), Warsaw (Włochy Business Garden) or remote.
• Casual dress code.

Ready to join the team with a #travelmindset? We’re waiting for you!