Igor Trofimov

Leading 7 backend engineers on high-throughput messaging platform Architected microservices processing tens of thousands of messages/day; event-driven flows & OTT integrations (WhatsApp, Viber, Telegram) Improved platform reliability (-30% incidents) & async latency (-40%) Refactored CI/CD pipelines, doubled deployment frequency; implemented Keycloak/OAuth2 Strengthened integration testing (Testcontainers); handled peak load ~2000 requests/sec

Developed backend for multi-channel customer communication (email, SMS, push); built behavior-driven engagement flows and real-time pattern detection for automated messaging. Introduced A/B testing improving lead quality by ~20%. Participated in GitOps migration reducing deployment errors by 25%. Built AI chatbot backend (ChatGPT) handling thousands of daily conversations. Collaborated with cross-functional teams on scalable architecture and compliant customer messaging across all channels.

Developed and maintained backend services for corporate FX operations and foreign economic activities Integrated systems with MOEX for real-time financial data and transactions Assisted in migrating services to Kubernetes and implementing distributed caching with Redis, improving scalability and performance Implemented microservices and APIs for internal and client-facing financial workflows Collaborated with cross-functional teams to improve reliability and performance of financial services

Led and mentored a distributed team of junior developers and interns across Nigeria, Belarus, and Russia. Designed and developed backend microservices; set up AWS cloud infrastructure with Docker and Kubernetes. Implemented CI/CD pipelines, Kafka messaging, and Prometheus/Grafana observability. Owned backend architecture and key modules, improving scalability, reliability, and performance.

Promoted from Junior to Senior; led monolith → microservices migration (+3× throughput). Built async services with Spring WebFlux & Kafka (–40% latency); containerized and deployed all services in Kubernetes, standardizing infrastructure. Implemented end-to-end CI/CD pipeline (Jenkins → GitLab CI) and observability with Prometheus, Grafana & distributed tracing, improving reliability. Collaborated with international teams including German colleagues, ensuring high scalability and production readiness.

• Administered enterprise network (LAN/WAN, VPN), Windows/Linux servers; implemented IT security measures & incident response; provided Tier 2/3 technical support