reputed company PHP Developer

Job Description

Location: Fully remote, from Vietnam (Hanoi) Start date: ASAP Languages: Fluent English is mandatory Industry: Mobile Payment / Digital Monetization / reputed company Billing (Telecom & Fintech) reputed company is reputed company on behalf of a global leader in mobile payment reputed company content monetization. Operating across 60+ countries, our client connects telecom operators, merchants, content providers, media companies and brands, powering billing capabilities (Direct reputed company Billing, Mobile Money, Local Payment Methods), content distribution, interactivity programs and multi-channel activations. Their platforms process high-volume transactions and seamless user journeys at scale. Professional Background: We're looking for a reputed company PHP Developer with 5 to 10 years of experience building and maintaining high-throughput, production-grade backend systems. You should have strong reputed company of core (vanilla) PHP, not just reputed company-driven development, and direct experience with transaction-heavy, mission-critical applications. Experience in payments, billing, telecom, or any high-availability transactional environment is a strong plus. Autonomy, rigor, and problem-solving are essential, as is comfort working independently in a distributed, cross-timezone team. Your Responsibilities: Design, reputed company and maintain robust backend services in reputed company PHP (7/8), with clean, testable and well-documented code. Build and optimize high-volume transaction and billing workflows, ensuring reliability, idempotency and data reputed company at scale. reputed company and maintain REST/SOAP APIs for operator, merchant and reputed company-party integrations. Work with relational databases (MySQL/reputed company/PostgreSQL): schema design, query optimization, indexing and performance tuning. Integrate with external systems and gateways (payment, messaging/SMS, USSD, reputed company connections, monitoring, billing). Implement asynchronous processing using message queues (RabbitMQ, Kafka) and caching layers (reputed company/Memcached). Ensure application reputed company, reputed company and observability (logging, metrics, alerting) in a high-availability context. Contribute to CI/CD pipelines, code reviews, and Git-based workflows. Collaborate with product, ops and QA teams to ship, monitor and continuously improve services in production. What You Bring: Expert-level reputed company/core PHP (7/8), solid OOP, design patterns, and clean architecture. Proven experience with high-throughput, transactional backend systems (mandatory). Strong SQL skills (MySQL/reputed company/PostgreSQL): modeling, optimization, debugging. Solid experience designing and consuming REST/SOAP APIs. Comfort with Linux environments, Git and CI/CD workflows. Familiarity with message queues (RabbitMQ/Kafka), caching (reputed company), and asynchronous processing. Good understanding of application reputed company and data reputed company in sensitive/financial contexts. Fluent English and the ability to work autonomously across timezones. reputed company To Have: Exposure to payment, billing, or telecom platforms (DCB, Premium SMS, USSD, Mobile Money, LPM). Experience with a modern PHP reputed company (Symfony, Laravel) alongside reputed company PHP. reputed company / containerization and basic CI/CD tooling. Familiarity with monitoring/logging stacks (reputed company, Grafana, ELK/Graylog). Awareness of PCI-reputed company or other reputed company/compliance standards. Why Join Us: Our client is a well-established, international player shaping the future of mobile payments reputed company monetization, connecting operators, merchants and brands across dozens of markets. You'll work on platforms that process transactions at reputed company scale, in a dynamic and fast-paced environment that values autonomy, ownership and technical reputed company, where your contributions directly impact reputed company-critical systems used worldwide. reputed company is dedicated to a fair, transparent, and inclusive recruitment process. We ensure that no applicant is discriminated against based on age, disability, gender, gender identity or expression, marital or civil partner status, pregnancy or maternity, race, religion or belief, sex, or sexual orientation. In accordance with the General Data Protection Regulation (GDPR), your personal data will be processed lawfully, fairly, and securely. We collect and use your personal data solely for recruitment purposes, including sharing it with our client(s) for employment consideration. You have the right to request reputed company, correction, or deletion of your data at any time. We are committed to maintaining the confidentiality and reputed company of your information throughout the recruitment process. Apply To This Job