[Hiring] Senior PHP Backend Engineer @Coinspaid

Role Description

Coinspaid Dev is the engineering brand behind the technology, infrastructure, and R&D expertise built within Coinspaid. With more than 120 engineers and over 11 years of industry experience, Coinspaid Dev brings together software engineering, infrastructure, security, and R&D teams with experience building distributed systems and blockchain infrastructure operating across more than 20 blockchain networks.

Coinspaid Dev emerges as an independent engineering brand with a straightforward mission: to advance blockchain infrastructure engineering and contribute practical expertise back to the industry. The structure is new. The experience behind it is not.

• Collaborate with cross-functional and cross-domain teams to gather requirements, design solutions, and deliver features.
• Design, develop, and maintain backend systems using PHP and MySQL (or similar), ensuring they are scalable and maintainable.
• Implement and optimize complex features with a focus on clean, reusable, and efficient code.
• Write unit tests to ensure the reliability and scalability of code.
• Participate in code reviews, architecture discussions, and ensure adherence to best practices in software development.
• Monitor and troubleshoot production systems, ensuring the highest levels of availability, performance, and security.
• Share on-call duties with the team to ensure smooth operations of the systems in production.
• Stay updated with new technologies and trends, and introduce them where appropriate to enhance system performance and maintainability.

Qualifications

• Experience (5+ years) in object-oriented PHP and modern PHP tools and practices: SOLID, KISS, etc.
• Good knowledge of the latest versions of Laravel framework.
• Strong understanding of relational databases like MySQL/PostgreSQL including transaction management.
• Experience in database query optimization, analyzing deadlocks and db performance.
• Experience in designing, implementing, and maintaining message-driven services using Apache Kafka (or other message broker).
• Experience with monitoring tools (Prometheus, Grafana or similar).
• Experience with security best practices.
• Working with Docker/Docker Compose on a daily basis.
• You understand Agile values and principles.
• Good level of spoken and written English (B1+) and Russian.

Requirements

• Nice to have: Understanding crypto industry.
• Experience with Go.

Benefits

• Flexible Benefits: Benefit Bar – up to €230/month.
• A flexible monthly budget you can use for what matters most to you – from sports and mental health to coworking, home office, or medical-related expenses.
• Fully remote work from almost anywhere.
• Optional offices and relocation support.
• Flexible, async-friendly environment.
• Budget for courses, certifications, and professional development.
• Language learning support.
• Cross-team learning and knowledge sharing.
• Medical insurance or reimbursement depending on location.
• Access to mental health support.
• Financial support for important life events.
• Merch shop with rewards system.
• Team offsites and company events.