Senior Full-Stack Engineer (PHP/React)

• 💰 Salary: 13,000–25,000 PLN gross on CoE / 15,000-28,000 PLN NET on B2B

• 🕦 Full-time

• ☑️ B2B or CoE

• 🏢 Hybrid: 3 days office / 2 days home in Warsaw

We’re looking for a Senior Full-Stack PHP Developer to join a well-established international IT company that builds long-term partnerships with businesses rather than outsourcing. The team works on high-impact platforms in industries such as aviation, banking, B2B marketplaces, and job search solutions.

Requirements

• 3+ years of experience with PHP (Symfony, PSR standards)

• 3+ years of experience with TypeScript/JavaScript and React (Redux)

• Strong understanding of the full application lifecycle

• Experience with PostgreSQL and backend integrations

• Hands-on experience with Docker and modern development workflows

• Confident working in Linux environments (1+ year)

• Active use of Composer and dependency management

• Experience with CI/CD, cross code reviews, and TDD

• English proficiency for daily communication with colleagues and PMs

Nice to Have

• Experience modernizing or upgrading legacy PHP applications

• Familiarity with RabbitMQ, Memcached, Manticore/Sphinx Search

• Experience with SSR, WebPack/Vite, Leaflet

• Frontend testing experience (Jest, React Testing Library, Playwright)

• Knowledge of Kubernetes, Vagrant, SaltStack

• Experience with AI-related solutions or integrations

Key Responsibilities

• Develop and maintain scalable full-stack applications using PHP and React

• Build and integrate backend services, APIs, and messaging systems

• Contribute to architectural decisions and participate in code reviews

• Collaborate closely with product managers and cross-functional teams

• Ensure performance, reliability, and long-term maintainability of applications

• Support CI/CD pipelines and testing practices

• Share knowledge and best practices within the engineering team

What We Offer

• Company-provided work equipment

• Fully paid sick leave

• Healthcare or Multisport

• Annual salary review

• 75% reimbursement for professional education

• Free weekly English classes

Get to know DevsData: We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com/