Design, develop, and maintain scalable PHP backend systems using Laravel and relational databases. Implement complex features, domain-driven design, messaging, reliable money-handling logic, testing, monitoring, and security practices. Participate in architecture discussions and code reviews, troubleshoot production systems, share on-call responsibilities, and collaborate with cross-functional teams. Daily work includes Docker/Kubernetes-based development and optimization of database and service performance.
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.
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
- Experience (5+ years) in object-oriented PHP and modern PHP tools
- Software design principles (SOLID, KISS, DRY) and layered architecture
- Applied DDD practices: bounded contexts, aggregates, domain events
- 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
- Message-driven services in production with Apache Kafka or a comparable broker
- Handling money in application code: exact arithmetic, explicit rounding rules, multi-currency precision, idempotent money-moving operations
- Security best practices
- Experience with monitoring tools (Prometheus, Grafana or similar)
- Working with Docker/Docker Compose/Kubernetes on a daily basis
- Good level of spoken and written English (B1+) and Russian
- Experience with Go
- Fintech, payments, or crypto domain experience
- High-load
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!
To learn more please visit: https://coinspaid.com/about-us/ & https://coinspaid.com/careers/
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