Ayan Kasymov

Software Architect with 7+ years of experience building distributed, high-scale systems across fintech, gaming, and marketplace platforms. Expert in designing backend architectures, real-time systems, and API-driven platforms using Clean Architecture and Domain-Driven Design. Strong focus on performance, scalability, and developer experience, with hands-on expertise in AI integrations and modern cloud infrastructure.

Software Architect at OnRecord Networks (2025-10 – Present)

Architecting a distributed SaaS platform focused on high-throughput data processing and graph-based relationships.

• Architecting a distributed SaaS platform focused on high-throughput data processing and graph-based relationships.
• Designed microservices architecture using Domain-Driven Design (DDD) principles to ensure scalability and modularity.
• Implemented graph data modeling with Neo4j to handle complex relational queries efficiently.
• Built resilient backend services with Node.js and Go, leveraging Redis for caching and message brokering.
• Designed event-driven pipelines to support real-time data synchronization and system decoupling.
• Led infrastructure setup using Kubernetes and Terraform for scalable, cloud-native deployments.
• Established engineering standards, code quality practices, and system observability (logging, metrics, tracing).

Senior Full-Stack Engineer at ACV Auctions (2023-06 – 2025-10)

Led development of React-based titles hub and microservices-based REST APIs, with focus on performance and scalability.

• Led development of a React-based titles hub, defining component architecture and building reusable UI components with Storybook to ensure consistency across teams.
• Implemented voice search functionality using React and a Python (speech-to-text), improving accessibility and search experience.
• Developed and maintained microservices-based REST APIs using Node.js and C# (.NET), supporting scalable and efficient backend systems.
• Led migration of Vue.js applications from v2 to v3 and upgraded related dependencies to improve performance, maintainability, and security.
• Integrated Salesforce and third-party APIs (e.g., FedEx) to support CRM workflows and logistics operations across the platform.
• Implemented feature flags and A/B testing for controlled releases and experimentation.
• Collaborated with product and design on epics and managed stories, tasks, and deadlines.
• Participated in on-call rotation with Grafana monitoring and customer support.

Software Engineer at Wildlife Studios (2021-11 – 2023-06)

Built backend systems for live multiplayer games with millions of daily active users.

• Built backend systems for live multiplayer games with millions of daily active users.
• Developed scalable services for player sessions, matchmaking, and in-game events.
• Optimized real-time systems using efficient data structures and caching layers (Redis).
• Worked on analytics pipelines for gameplay data and performance metrics.

Software Engineer at JSC Home Credit Bank (2019-08 – 2021-11)

Developed backend services for credit scoring and financial workflows.

• Developed backend services for credit scoring and financial workflows.
• Designed APIs for internal banking systems to support processing of financial transactions and customer data.

Master's Degree in Computer Science – South Kazakhstan University of Muktar Auezov (2017-09 – 2019-06)

Bachelor's Degree in Computer Science – South Kazakhstan University of Muktar Auezov (2013-09 – 2017-06)