CommerceCore

At CommerceCore we don’t wait for momentum – we build it. We move fast, test boldly, and turn ideas into real results. And the real engine behind it all? Our people.

With 200+ ambitious teammates who own their work, learn fast, and lift each other up, this is a place where you’re trusted to think big and move with intent.

We’re now looking for a Senior PHP Developer who's ready to build scalable systems, shape technical decisions, and make a real impact.

WHAT YOU WILL DO:

• Drive backend architecture and technical decisions;
• Design, develop, and optimize scalable, high-load systems;
• Lead complex feature development from idea to production;
• Improve system performance, reliability, and observability (monitoring, logging, alerting);
• Mentor engineers and promote engineering best practices;
• Contribute to product decisions with technical insight;
• Identify and resolve deep technical challenges;
• Ensure security, scalability, and maintainability across systems.

WHAT WE EXPECT:

• 5+ years of hands-on experience building and maintaining scalable, highly available, high-load systems;
• Strong expertise in PHP (Laravel preferred; Symfony also valued);
• Deep understanding of MySQL database;
• Understanding of API design, including idempotency, rate-limiting;
• Familiarity with CI/CD pipelines and modern DevOps practices;
• At least basic understanding of React (or similar framework) and willingness to collaborate closely with frontend teams;
• Experience in e-commerce systems (payments, A/B testing, conversion tracking);
• Strong experience writing testable code and familiarity with software testing patterns.
• Strong focus on secure web application architecture;
• Highly autonomous, solution-oriented, and proactive.

NICE TO HAVE:

• Deep understanding of NoSQL database;
• Experience with event-driven architecture and distributed systems;
• Experience with real-time messaging systems;
• Hands on experience with various payment PSPs;

WE OFFER:

• Salary from €4500 (gross) depending on experience;
• Workplace Flexibility: flexible work arrangements, including a hybrid working model;
• Well-being benefits: Enjoy the flexibility to choose between private health insurance or a wellness budget to support your overall well-being;
• Encouraging learning environment: opportunities for professional development, including a budget for books and online courses, and time for learning;
• Collaborative, dynamic & experienced team: a culture where diverse perspectives are valued and encouraged;
• Regular team building: activities to strengthen bonds with your colleagues through regular team events and outings;
• Referral bonuses: there is an opportunity to receive a reward for recommending someone to the team;
• Modern offices: offices in Vilnius and Kaunas city centers (shower, kitchen, Foosball & other benefits for a comfortable working environment);
• Office Perks: weekly snack refills, bun Wednesdays to brighten your midweek, and company lunch on the last Friday of each month;
• Celebrations & Events: company-wide events and celebrations, such as results overviews, Christmas parties, and summer events;
• Personal Celebrations: recognition of personal milestones and celebrations, such as birthdays and anniversaries.