Alireza Esmaeeli

Successfully designed and shipped the Gold investment feature in Q3 2025, providing millions of users with direct access to digital gold investment opportunities.

Developed high-performance services using Domain-Driven Design (DDD) and clean/hexagonal architecture, ensuring maintainability and scalability for critical financial applications.

Maintained high automated test coverage, ensuring system quality, reliability, and compliance across complex backend services.

Collaborated effectively with product managers, analysts, and frontend engineers to deliver scalable microservices utilizing Java (Spring Boot), Kafka, Oracle Database, Redis, and Kubernetes.

Implemented secure and compliant financial transaction flows, processing hundreds of thousands of daily transactions with high reliability and scalability.

Drove significant observability and performance improvements by leveraging Prometheus, Grafana, OpenTelemetry, and ELK Stack for proactive issue resolution.

Directed the strategic migration from a monolithic architecture to microservices using Spring Boot (Java 17 & 21), Oracle, and MongoDB, ensuring zero downtime for a 20M+ user platform.

Collaborated with product managers, analysts, and frontend engineers in cross-functional teams to design and deliver high-quality, resilient financial services.

Applied distributed transactions with the Saga pattern and event-driven architecture with Apache Kafka, significantly strengthening system reliability.

Drove CI/CD automation on Kubernetes, enhancing deployment efficiency and mentoring junior developers to improve engineering practices and delivery speed.

Designed and implemented robust data migration and synchronization pipelines with Spring Batch, enabling a smooth transition of millions of customer records during microservices adoption.

Refactored a monolithic social media analytics platform, serving 10K users, into a microservices architecture using Spring Boot, MySQL, and MongoDB for enhanced performance.

Integrated Stripe payment gateway, enabling international payments and expanding global reach for the platform.

Deployed microservices on AWS Cloud, reducing operational costs by 10% and significantly improving scalability and resilience.

Built critical features for an online education platform within a 12-member cross-functional team using Spring Boot, PostgreSQL, and MySQL.

Implemented asynchronous communication between 4 microservices using RabbitMQ, significantly enhancing resiliency and decoupling system dependencies.

Integrated Sonarqube into CI/CD pipelines, ensuring continuous code quality validation and improving development standards.

Designed and implemented a comprehensive monitoring and alerting system with Prometheus and Grafana, significantly improving system uptime and reliability.

Refactored legacy code according to clean-code principles, improving maintainability and long-term productivity for the platform.

Developed and maintained robust backend services using C# to support various applications and system functionalities.

Collaborated with team members on system design and implementation, adhering to coding standards and best practices.

Participated in code reviews and comprehensive testing processes to ensure software quality and reliability.

Assisted in troubleshooting and resolving technical issues, contributing to overall system stability and performance.

Developed core game mechanics and features using C++ for educational and knowledge-based applications.

Optimized game performance and responsiveness to enhance user experience and engagement.

Collaborated with designers and other developers to integrate various game components effectively.

Implemented and debugged complex game logic, ensuring stable and functional gameplay across projects.