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ABOUT REIZ TECH Reiz Tech is more than just an IT company. We are a trusted end-to-end IT advisor throughout clients’ business lifecycle. We have a growing global presence in more than 30 countries and regions, united to deliver end-to-end IT solutions. Our talents work together remotely, and low leadership levels are decentralized for better communication, decision-making, and flexibility. ABOUT THE ROLE Join our Development team to support the growth of our fintech product. As a Senior PHP Developer, you will play a key role in designing, building, and scaling high-performance backend systems. You will take ownership of complex technical solutions, contribute to architectural decisions, and ensure the delivery of secure, robust, and maintainable code aligned with fintech industry standards. RESPONSIBILITIES Design, develop, and maintain scalable backend systems using PHP (8.x) and modern frameworks (Symfony). Work effectively with both legacy and modern codebases, ensuring stability, performance, and continuous improvement. Demonstrate a strong ability to analyze, understand, and maintain code independently, using AI tools as a supporting resourcerather than a primary dependency. Architect robust, secure, and high-performing solutions aligned with fintech standards. Build and maintain REST APIs, ensuring proper versioning and backward compatibility. Optimize database performance (MySQL/MariaDB), including query tuning, schema design, and migrations. Implement and maintain CI/CD pipelines and containerized environments (Docker). Ensure code quality through testing strategies (unit, integration, feature tests) and code reviews. Apply SOLID principles, design patterns, and clean architecture in everyday development. Monitor application performance, identify bottlenecks, and implement optimizations. Enforce security best practices (OWASP, secure authentication flows, data protection, GDPR compliance). Collaborate with cross-functional teams to translate business requirements into technical solutions. Mentor junior and mid-level developers through code reviews and technical guidance. Contribute to technical decision-making, challenge requirements constructively, and promote best practices. REQUIREMENTS More than 7+ years of professional experience in software development Expert-level knowledge of PHP 8.x and modern development practices Extensive experience with Laravel or Symfony, including deep framework understanding Strong experience with MySQL or MariaDB (query optimization, schema design, normalization) Solid understanding of REST API design principles Proficiency with Git (branching strategies, code reviews, release workflows) Experience with PHPUnit and defining test strategies Hands-on experience with Docker and containerized production environments Strong knowledge of caching strategies and performance optimization Experience setting up and maintaining CI/CD pipelines (GitHub preferred) Solid understanding of Composer and dependency management Comfortable working in Linux/CLI environments Strong understanding of security best practices in web applications SOFT SKILLS Ability to independently design and architect solutions Strong problem-solving mindset with focus on maintainability and scalability Confidence to challenge requirements and propose better alternatives Ability to translate business needs into technical solutions Experience leading initiatives or small teams Strong written communication skills in async environments NICE TO HAVE Experience in fintech or financial services domain Frontend development skills ( or React) Experience with cloud platforms (Azure preferred) Previous experience in technical interviewing or hiring WHAT WE OFFER Salary range: €5500 - €7000 (GROSS) / month. Fully remote work with flexible work hours and vacation policy. A diverse international work environment that promotes inclusivity and collaboration. Internal mentorship program. Additional healthcare insurance, loyalty days. Compensated professional development opportunities, including learning materials and certification exam fees. Internal events and Learning Sessions. Participation in local events in Lithuania such as wakeboarding, excursions, and Meet and Eat gatherings. Ability to change the project you’re working on. Referral bonuses. For information about your personal data processing, please see our Recruitment Privacy Policy Originally posted on Himalayas