Dmitrii Zarandiia

Led global systems integration and analysis projects, driving 15% user engagement growth and 35% onboarding conversion. Built scalable KYC/AML workflows for 50+ jurisdictions, ensuring compliance and reducing risks by 25%. Delivered data-driven A/B testing, optimised architecture with RabbitMQ and NoSQL, and aligned roadmaps with product, engineering and compliance teams.

Delivered digital solutions for top-tier financial clients, focusing on process automation and system integration with Camunda BPM and Apache Kafka. Improved efficiency by 15% through BPMN/UML modeling. Built monitoring frameworks (Grafana, Prometheus) reducing downtime and boosting reliability. Coordinated with cross-functional teams to align business and technical needs, and authored technical documentation for seamless delivery.

Managed development of high-load banking systems with REST APIs, gRPC, and message queues, ensuring scalability and compliance (PCI DSS, GDPR). Re-engineered core processes to boost efficiency, designed secure architectures for regulated environments, and aligned with strict audit standards. Led testing and documentation to validate system stability, security, and business alignment.

Analyzed and documented business requirements for an online payment platform, improving transaction efficiency by 20%. Built a reconciliation system enhancing accuracy and reducing reporting errors. Performed functional testing to ensure stability and compliance, and supported global e-commerce integrations, aligning with local and international regulations for seamless operation.

Conducted data analysis to optimize procurement and resource management, cutting operational costs by 15%. Built BI dashboards and actionable reports to support strategic planning and automation. Partnered with cross-functional teams to improve allocation and reporting workflows, boosting efficiency and transparency across the organization.