Mikhail S.

Software Developer / Architect
Finmates.com
Fintech Startup: Social platform for traders enabling real-time community updates to influence portfolios and decision-making.

• Architected and Implemented Microservices: Designed and built scalable Java-based microservices using Spring Boot, ensuring high performance and reliability.
• Developed Robust RESTful APIs: Created secure, high-performance APIs to facilitate seamless communication between microservices and external systems.
• Engineered User-Focused Front-End Components: Built responsive React and TypeScript interfaces, improving user experience and platform functionality.
• Integrated Blockchain & Web3 Solutions: Developed blockchain-based modules using Web3 frameworks and ethers.js to interact with DeFi protocols and manage Uniswap liquidity pools for optimized portfolio tracking.
• Enhanced System Security: Implemented secure authentication and authorization using JWT and Keycloak, ensuring data integrity across microservices.
• Managed Scalable Cloud Infrastructure: Designed and deployed AWS architecture (VPC, API Gateway, Lambda, ECS, ECR, DNS, S3, Cloud Map, CloudFormation) to achieve high availability and fault tolerance.
• Processed Real-Time Stock Market Data: Utilized Java WebFlux to consume and process live stock market data, efficiently storing insights in PostgreSQL and streaming updates to users.
• Administered Kubernetes Clusters: Configured and managed Proxmox-based Kubernetes clusters, optimizing resource allocation and handling high-load services.

Senior Cloud Architect / Lead Developer
SliceUp Inc.
AI-driven, real-time big data processing analytical application that predicts failures in IT infrastructure.

• Microservices Architecture: Designed and architected Java-based microservices for real-time big data systems, optimizing the processing of large data volumes within an event-driven microservices framework.
• Team Leadership: Led the development team in creating scalable, high-performance services.
• API Development: Implemented and managed RESTful APIs to ensure seamless communication between microservices and external systems, overseeing the design and architecture of the APIs.
• Security Integration: Enhanced communication security within the microservices architecture by optimizing advanced JSON Web Token (JWT) authentication mechanisms using the Java Spring framework.
• System Integration: Spearheaded the integration of Java Spring applications with Keycloak, Kafka, Flink, and Spring Boot microservices, ensuring a secure and cohesive authentication and authorization workflow.
• Technology Utilization: Employed Java, Spring Boot, WebFlux, Keycloak, Apache Flink, Apache Kafka, Postgres, and ClickHouse DB to develop responsive and scalable systems capable of handling dynamic workloads.
• Monitoring and Observability: Integrated Prometheus, Grafana, and AWS X-Ray for comprehensive monitoring and observability, enabling effective system performance tracking and issue diagnosis.
• Infrastructure Deployment: Built and managed infrastructure on AWS and bare metal servers, including Proxmox VE with Kubernetes cluster, backup servers, DNS, firewalls, and WireGuard VPN. Deployed ETL pipelines using Apache Flink on AWS, including VPC, IAM, EC2, RDS, ECS, S3, API Gateway, Kinesis, Firehose, Kafka, CodeBuild, and CodePipeline.