Senior PHP Backend Engineer
Coinspaid Dev | EMEA
Full-Time | Remote
Posted
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.We combine the pace of fintech with a long-term approach to building products, teams, and careers. As a remote-first company, we give people flexibility in how they work while maintaining strong collaboration and shared ownership across teams.�� In 2026, Coinspaid was recognized as Best Corporate Culture in the Blockchain Industry in Europe, reflecting our focus on ownership, trust, and collaboration. Responsibilities:Collaborate with cross-functional and cross-domain teams to gather requirements, design solutions, and deliver featuresDesign, develop, and maintain backend systems using PHP and MySQL(or similar), ensuring they are scalable and maintainableImplement and optimize complex features with a focus on clean, reusable, and efficient codeWrite unit tests to ensure the reliability and scalability of codeParticipate in code reviews, architecture discussions, and ensure adherence to best practices in software developmentMonitor and troubleshoot production systems, ensuring the highest levels of availability, performance, and securityShare on-call duties with the team to ensure smooth operations of the systems in productionStay 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 toolsSoftware design principles (SOLID, KISS, DRY) and layered architectureApplied DDD practices: bounded contexts, aggregates, domain eventsGood knowledge of the latest versions of Laravel frameworkStrong understanding of relational databases like MySQL/PostgreSQL including transaction managementExperience in database query optimization, analysing deadlocks and db performanceMessage-driven services in production with Apache Kafka or a comparable brokerHandling money in application code: exact arithmetic, explicit rounding rules, multi-currency precision, idempotent money-moving operationsSecurity best practicesExperience with monitoring tools (Prometheus, Grafana or similar)Working with Docker/Docker Compose/Kubernetes on a daily basisGood level of spoken and written English (B1+) and Russian Nice to have:Experience with GoFintech, payments, or crypto domain experienceHigh-load Why should you choose 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 BenefitsBenefit Bar – up to €250/monthA 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 & FlexibilityFully remote work from almost anywhereOptional offices and relocation supportFlexible, async-friendly environmentGrowth & LearningBudget for courses, certifications, and professional developmentLanguage learning supportCross-team learning and knowledge sharingWellbeing & SupportMedical insurance or reimbursement depending on locationAccess to mental health supportFinancial support for important life eventsExtrasMerch shop with rewards systemTeam offsites and company events Sounds good? Well then, we can’t wait to see your resume!To learn more please visit: &