Senior Software Engineer - PHP

Creditstar Groupis a rapidly growing international consumer finance company, headquartered in Tallinn, Estonia and operating in multiple European markets.

At the core, we are a financial technology company that uses automated processes, algorithms and data analysis to make financial instruments easily available to a population of more than 175 million people in our target markets. We are a team of ambitious professionals who value innovation, effective efficiency, high growth, and high performance. For more information on the group, please visit .

Our vision is to build and deliver digital banking products of the future. If you want to be part of this, here is your chance.

What's in it for you?

• Ownership from day one. You'll shape the technical direction of the platform, not just execute tickets. We trust our engineers to drive decisions.


• A team that values craft. We allocate dedicated capacity to technical debt, run regular architecture discussions, and take engineering quality seriously - not just velocity.

Key Responsibilities:

• Design and evolve scalable backend architecture and core platform services


• Lead technical initiatives from solution design and estimation through production release


• Develop new functionality, improve existing systems, and reduce technical debt


• Ensure system scalability, reliability, performance, and maintainability


• Optimize databases, APIs, caching layers, and background processing


• Identify and resolve production incidents, bottlenecks, and technical risks


• Participate in architectural decision-making and long-term platform evolution


• Conduct code reviews and maintain engineering quality standards


• Mentor developers, support onboarding, and provide technical leadership within the team


• Collaborate with Product, Growth leads, QA, and other engineering teams

Technical:

• 5-7+ years of commercial PHP development experience


• Strong knowledge of modern PHP (8.0+) and backend engineering best practices


• Solid hands-on experience with Yii2 or willing to learn


• Experience with frontend development(Typescript, React)


• Experience designing scalable backend systems with a strong grasp of software architecture and system design principles


• Strong PostgreSQL experience: schema design, indexing, query optimization, performance tuning


• Experience designing APIs and service integrations


• Solid Git workflows, code review practices, and CI/CD experience


• Strong debugging, troubleshooting, and root-cause analysis skills

Leadership & Ownership:

• Proven experience leading major technical initiatives


• Ability to independently drive projects from design to production


• Experience working with large legacy codebases and driving incremental modernisation without disrupting business operations


• Strong estimation, planning, prioritisation, and risk management skills


• Experience mentoring engineers

Soft skills:

• Strong analytical and problem-solving mindset


• Effective communication and collaboration in cross-functional teams


• High autonomy, accountability, and product ownership


• Product-oriented thinking with a focus on business impact.

Nice to have

• Experience in fintech


• Hands-on experience with AI-assisted development tools (Claude Code, Cursor, Copilot, etc.)

• Dynamic, challenging, and rewarding work within a rapidly growing international company;


• Chance to contribute to the business' decision-making processes and making a tangible impact;


• Working with a talented and fun international team.


• Sports or Health insurance compensation


• Paid birthday day- off


• Regular company parties and events;


• Powerful equipment and modern tools;


• On-demand sponsorship for your professional development;


• Competitive remuneration package.