C

Senior Backend Engineer (PHP/MySQL/Kafka)

European Union
Full Remote
This Job is No Longer Active This position is no longer accepting applications
AI Summary

Coinspaid Solutions seeks a Senior Backend Engineer with 5+ years of PHP experience to design, develop, and maintain scalable payment systems. Responsibilities include implementing complex features, optimizing database performance, and ensuring system reliability. Requires strong knowledge of Laravel, MySQL/PostgreSQL, Kafka, and Docker.

Key Highlights
Building blockchain payment infrastructure for the global economy.
Remote-first company with a focus on ownership, trust, and collaboration.
Opportunity to shape the company's space and make an impact.
Key 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

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Technical Skills Required
PHP MySQL PostgreSQL Laravel Apache Kafka Docker Docker Compose Prometheus Grafana
Benefits & Perks
Flexible Benefits Bar – up to €250/month
Fully remote work from almost anywhere
Medical insurance or reimbursement depending on location
Access to mental health support
Budget for courses, certifications, and professional development
Language learning support

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Nice to Have
Understanding crypto industry
Experience with Go

Job Description

Coinspaid Solutions is a fintech company building blockchain payment infrastructure for the global economy.

We design, implement, and scale payment systems that connect digital assets with real-world financial operations. Our solutions help businesses and financial institutions operate efficiently in the evolving digital asset landscape.

For over 11 years, we’ve been developing products that bring crypto payments closer to mainstream adoption. Today, our team includes 350+ professionals working remotely across multiple countries.

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Job Overview
Posted Jun 30, 2026
Employment Full-time
Experience Mid-Senior level
Location European Union
Category Programming
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