Senior PHP Backend Engineer

Remote - European Region
Engineering – Core Engineering /
Full-time /
Hybrid
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

Why join CryptoProcessing by Coinspaid

You’ll be joining a company that is actively shaping its space – with enough scale to matter and enough room to make an impact.

At Coinspaid, people are expected to think, contribute, and take ownership – and are supported in doing so.

We focus on flexibility, wellbeing, and long-term growth – without overcomplicating how benefits work.

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.

Work & Flexibility

  • Fully remote work from almost anywhere

  • Optional offices and relocation support

  • Flexible, async-friendly environment

Growth & Learning

  • Budget for courses, certifications, and professional development

  • Language learning support

  • Cross-team learning and knowledge sharing

Wellbeing & Support

  • Medical insurance or reimbursement depending on location

  • Access to mental health support

  • Financial support for important life events

Extras

  • Merch shop with rewards system

  • Team offsites and company events

Sounds good? Well then, we can’t wait to see your resume!