Senior Full-Stack Engineer (PHP/React) to $7500

💰 Salary: 3,600–6,900 USD CoE / 4,200 -7,800 USD 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:
● 4+ years of experience with PHP (Symfony, PSR standards)
● 4+ 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
● Complimentary lunches
● Annual salary review
● 75% reimbursement for professional education
● Free weekly English classes