This role is focused on designing, building, and maintaining reliable financial platforms, particularly in payment systems and ledger architectures, ensuring the integrity, scalability, and security of transactions.Responsibilities : Design, develop, and maintain backend services using PHP (Laravel) Build and manage payment processing workflows (wallets, transfers, settlements, reconciliation) Design and maintain ledger systems ensuring accuracy, idempotency, and auditability Ensure data consistency and integrity across high-volume transaction systems Integrate with external payment providers, banks, and third-party APIs Optimize system performance, scalability, and reliability Implement security best practices (encryption, access control, fraud prevention) Write clean, well-documented, and testable code Participate in architectural decisions and technical reviews Collaborate closely with product, frontend, and DevOps teams.Must Haves: 5+ years of experience as a Backend Engineer Strong proficiency in PHP and Laravel Proven experience with payments platforms, fintech systems, or digital wallets Solid understanding of double-entry ledger systems Experience with relational databases (MySQL, PostgreSQL) Knowledge of RESTful APIs and microservices architecture Experience handling high-throughput, low-latency systems Strong understanding of transactional systems, consistency, and concurrency Familiarity with Git, CI/CD pipelines, and Agile development Experience with scalability of a set of PHP Laravel apps. Previous experience working in startups environment. Candidates must be located in national territoryNice to Haves: Experience with cloud services (AWS, Azure) Knowledge of additional programming languages (e.g., Python, Java) Experience with containerization (Docker, Kubernetes)