Join Coinspaid Dev as a Senior Backend Engineer to design, develop, and maintain scalable PHP/MySQL systems for blockchain infrastructure. Focus on high-performance, secure, and distributed solutions while collaborating cross-functionally. Requires 5+ years in PHP, Laravel, and domain-driven design with experience handling financial transactions and Kafka-based messaging.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job 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.
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
- 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
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Nice to have:
- 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
Browse our curated collection of remote jobs across all categories and industries, featuring positions from top companies worldwide.
- 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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