Senior PHP Backend Engineer

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.

Responsibilities:

• 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

Requirements:

• 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, analysing 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

Nice to have:

• Understanding crypto industry

• Experience with Go