Senior Software Engineer (PHP)

Team: Smoobu

Location: Krakow/Remote within Poland

Commitment: Full-time

Workplace Type: hybrid

In this role, you will

Autonomously plan and execute full-quarter complexity projects, set measurable milestones, manage complex dependencies and scope
Design, develop, and maintain reliable and scalable backend systems supporting subscription lifecycles, billing, and monetization
Partner closely with business stakeholders to refine product direction, recommend impactful improvements delivering customer value, and strengthen feedback loops
Take ownership of business-critical functionality, ensuring correctness, reliability, and maintainability
Propose and implement tangible technical initiatives improving team velocity and overall software quality, and mentor your colleagues
Continuously improve the way we use AI-assisted and agentic coding, hit impossible goals and make it the new normal
Contribute to transforming Smoobu Tech into a cloud-native, service-oriented architecture

What you will bring

Solid experience with modern PHP & Symfony
Advanced knowledge of relational and non-relational databases
Familiarity of Docker and containerized environments
Exceptional understanding of cloud platforms, preferably AWS
Experience in designing and working with event-driven, asynchronous and integration-heavy systems
Excellence in problem-solving skills and a strong sense of ownership
Advanced AI-assisted software development, including agentic coding tools and workflows
Experience in mentoring team members, providing technical guidance, constructive feedback, and support while fostering a collaborative and learning-oriented environment
Entrepreneurial mindset and business curiosity
Excellent English communication skills and the ability to work efficiently in a distributed team
 
Nice to have:
Practical knowledge of SaaS subscription management, recurring billing, payment providers, or monetization platforms
Familiarity with layered architectures, CQRS patterns, Domain-Driven Design principles
Full-stack engineering experience including infrastructure and frontend

What we offer

A working culture that is high-performing, ambitious, collaborative, and fun
Private medical care, sports package, and life insurance
An annual learning budget for professional growth, including courses and conferences, as well as employee-led workshops
Enhanced time-off benefits, with 1 additional day for each year with us (up to 5), giving you more time to rest and recharge
Celebrate your 5th anniversary with 5 additional paid days off and a €500 HomeToGo booking credit
Hybrid working model with 50% office presence
Employee referral bonus
Team-building activities and office perks