Polcode is a global, people-first software house matching ambitious developers with challenging projects. Our team of over 100 professionals builds and improves digital businesses, software platforms, eCommerce stores, websites, and apps.

We are seeking a highly experienced Senior Symfony Developer with strong ownership and the ability to work independently in a backend-focused SaaS environment.

This is a full-time, fully remote engagement (or from our office in Warsaw) for a compact European SaaS platform providing proxy and VPN services. The engagement aligns with European business hours and has the potential for long-term extension.

Key Responsibilities

• Develop, improve, and maintain backend components of the SaaS platform used by European customers.
• Build modules for automated provisioning, refreshing, and configuration of proxy/VPN infrastructure.
• Integrate services with external providers and APIs.
• Extend the SaaS management panel with new features for purchasing, renewing, and managing service packages.
• Implement monitoring, reporting, and traffic analytics mechanisms.
• Optimize performance, scalability, and resource management processes.
• Work on system authorization, customer billing, and account-related automation.
• Create internal tools and endpoints supporting customer operations and administration.
• Modify existing solutions and support the integration of software components.
• Participate in estimations, defining specifications, and shaping timelines.
• Prepare and maintain technical documentation.
• Engage and collaborate effectively with team members across Polcode and the client’s team.

Required Skills & Experience

• Strong commercial experience with PHP and Symfony, preferably in a SaaS environment.
• Solid understanding of backend architecture, REST APIs, and systems integrations.
• Familiarity with AWS, Terraform, infrastructure workflows, and cloud-based environments.
• Experience with MySQL, CI/CD pipelines, deployments, and automation.
• Ability to work independently and take full ownership of delivered features.
• Strong communication skills and readiness to collaborate with teams.
• Comfort working in regular European business hours (approx. 8-16 / 9-17 CET).
• Advanced English (B2+/C1) for smooth technical communication in an international team.

Tech Stack

Backend

• PHP, Symfony, Go, MySQL

Frontend

• React.js, Next.js, Material UI, Redux Toolkit, Redux Toolkit Query, Zustand, Formik, Zod/Yup

Cloud & Infrastructure

• AWS, Terraform, CI/CD, gRPC

Preferred Qualifications

• Experience working with Golang.

Polcoder Perks

• Multisport card, private medical care, life insurance, and meaningful gifts.
• Professional onboarding process.
• Commitment to work-life balance: no overtime, no weekend jobs.
• Flexible work times and location (100% remote or Warsaw office).
• Appreciation for work and feedback.

Compensation: B2B rate: 100-130 PLN/H + VAT.

We encourage you to grow your career, contribute to open source, and follow your passion.