Senior Backend Engineer

Responsibilities:

• Design, develop, and optimize backend services using Laravel
• Architect and maintain secure transaction workflows and wallet systems
• Integrate APIs for payments, crypto/blockchain services, and third-party fintech tools.
• Build and maintain RESTful APIs consumed by our Flutter mobile app.
• Implement queue systems for transaction processing and background jobs.
• Ensure high-level security, performance, and scalability.
• Write clean, testable, and well-documented code.
• Troubleshoot bugs, system bottlenecks, and security vulnerabilities.
• Participate in backend architecture decisions as we move from beta to scale.

Requirements:

• Strong proficiency in PHP and Laravel (3+ years professional experience).
• Proven experience working on fintech, payments, crypto, or blockchain-integrated systems.
• Solid understanding of REST API design and microservices architecture.
• Experience with MySQL or PostgreSQL.
• Knowledge of transaction safety (idempotency, race conditions, atomic operations).
• Experience with queues (Laravel Queue + Redis/RabbitMQ).
• Understanding of financial app security best practices.
• Familiarity with blockchain APIs or crypto wallet systems.
• Experience with Git and CI/CD workflows.
• Ability to work independently and contribute to architectural discussions.

Nice to Have:

• Experience with Docker, Kubernetes, or cloud platforms (AWS/GCP).
• Understanding of KYC/AML compliance systems.
• Experience handling high-traffic or transaction-heavy systems.
• Experience writing automated tests (PHPUnit).

What We Offer:

• Opportunity to build a real fintech/crypto product from beta to scale.
• Key role in backend architecture decisions.
• Flexible working environment.
• Equity options