Senior Backend Engineer - FinTech Platform Lead (Remote)

Creditstar Group; Polska; Remote; PLN 246,000 - 295,000; Full time

Benefits offered by this job

Remote work option

Dynamic international team

Competitive remuneration package

Modern Tallinn office

Birthday day off

Job summary

Creditstar Group, a fast-growing international consumer finance technology company, seeks a seasoned PHP backend engineer with leadership responsibilities. You will design scalable backend architecture, lead key initiatives, mentor engineers, and collaborate across product and QA teams.

The role involves optimizing databases and services, maintaining high performance, and driving modernization across legacy systems. Tallinn-based office with remote work options is available.

Qualifications

• 5-7+ years of commercial PHP development experience.
• Strong knowledge of PHP 8.0+ and backend engineering best practices.
• Experience with Yii2 and frontend (TypeScript, React).
• Experience designing scalable backend systems and APIs.
• Strong PostgreSQL experience and query optimization.
• CI/CD, Git workflows, and code reviews.
• Debugging, root-cause analysis, and incident management.
• Leadership: drive major technical initiatives and mentor engineers.

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.

Skills

PHP development

Backend architecture

Leadership

Mentoring

Problem solving

Communication

Tools

Yii2

TypeScript

React

Git

CI/CD

PostgreSQL

Job description

Creditstar Group, a fast-growing international consumer finance technology company, seeks a seasoned PHP backend engineer with leadership responsibilities. You will design scalable backend architecture, lead key initiatives, mentor engineers, and collaborate across product and QA teams.

The role involves optimizing databases and services, maintaining high performance, and driving modernization across legacy systems. Tallinn-based office with remote work options is available.