Ivan Selianto

:phone-svgrepo-com_png: +375 (44) 744-99-56

:email-8-svgrepo-com_png: [email protected]

:telegram-svgrepo-com--2-png: @iselyanto

:linkedin-svgrepo-com_png: Ivan Selianto

Work Experience

2020-2026 Full-stack Developer, Itransition

Cryptocurrency Exchanges Aggregator (2024-2026)

• Industry: Crypto & Finance
• Description: Cryptocurrency Trading System that provides intelligent algorithms for automated trading on various cryptocurrency exchanges.
• Position: Software Developer, Project Lead
• Tools & Technologies: Java, Python, Typescript, AWS Lambda Functions, AWS Cloudwatch, AWS Step Functions, AWS SQN, AWS SQS, AWS API Gateway, Kubernetes, Helm, CI/CD, AWS DynamoDB, AWS Timestream, PostgreSQL, Vault, Redis, Docker, RabbitMQ, Grafana, Prometheus, Swagger
• Responsibilities:
  • Creating project infrastructure.
  • Distribution of tasks within the team.
  • Development new features.
  • Mentoring of other team members.
  • Communication with customer and exchanges support.
  • Conducting a Demo with a presentation of new features and improvements
  • Coordinated release management processes by bridging the gap between Development and DevOps teams, ensuring seamless infrastructure updates.
  • Deployment
  • Technical Support
  • Code Review
• Achievements:
  • Prepared AWS environment.
  • Created flexible and scalable microservice infrastructure
  • Set Up Kubernetes Clusters
  • Configured monitoring, logging, alerting with Grafana/Prometheus/CloudWatch.
  • Implemented CI/CD for all microservices structure and optimized deployment processes to the several environments.
  • Achieved 99.9% system availability by configuring advanced monitoring and auto-healing strategies via CloudWatch and Kubernetes.

Cryptocurrency Market Adapter (2022-2024)

• Industry: Crypto & Finance
• Description: Financial Platform that gathers market data from various exchanges and provides a unified format, centralized API, and historical data to the users.
• Position: Software Developer, Project Lead
• Tools & Technologies: Reactive Java, Python, Kubernetes, Docker, Redis, RabbitMQ, AWS.
• Responsibilities:
  • Creating project infrastructure.
  • Distribution of tasks within the team.
  • Development new features.
  • Communication with customer and exchanges support.
  • Mentoring of other team members.
  • Code Review
• Achievements:
  • Created project infrastructure.
  • Realized market data collectors microservices
  • Developed high-performance connectors for various cryptocurrency exchanges (Binance, Kraken, etc.) using Reactive Java.
  • Configured monitoring, logging, alerting with Grafana/Prometheus/CloudWatch.
  • Created AWS backup stabilization solutions
  • Ensured data integrity and consistency across distributed systems using RabbitMQ for asynchronous messaging.
  • Integrated secure API key management using Vault to protect user assets across multiple exchanges.

Cryptocurrency Strategy Builder (2021-2022)

• Industry: Crypto & Finance
• Description: Fintech Solution offering people build their own custom crypto trading strategies
• Position: Software Developer
• Tools & Technologies: Java, Spring Boot, PostgreSQL, TypeScript, RabbitMQ, Redis.
• Responsibilities:
  • Development of new features
  • Modifications to the project architecture
  • Code Review
  • Deployment
  • Tests Implementation
• Achievements:
  • Reduced database load by implementing intelligent caching strategies with Redis for frequently accessed historical market data.
  • Contributed to the migration of monolith components to a microservices-ready architecture, improving system modularity.

Casino Educational Platform (2020-2021)

• Industry: Education
• Description: A vendor-based Learning Management System on a subscription basis to deliver courses, tests and certificates to its clients. Industry and casino specific training to several casinos across the North America
• Position: Software Developer
• Tools & Technologies: Java, Kotlin, Angular, PostgreSQL, Git.
• Responsibilities:
  • Functional Development
  • Team communication
  • Code optimization
  • Code refactoring
  • Tests Implementation
• Achievements:
  • Wrote and maintained unit and integration tests for functionality.
  • Fixed issues as part of ongoing maintenance.
  • Refactored and cleaned up legacy modules, improving code readability and aligning with project code- and check- style.

Personal Projects

High-Frequency Orderbook Processor

• Tools & Technologies: Rust, Tokio, SBE Websockets, API exchange.
• Description: developed an ultra-low latency, zero-allocation system to ingest and process real-time crypto exchange data via binary streams (SBE). The engine achieves microsecond-level reaction times and high throughput.

Candlesticks Algorithm Discovery Engine

• Tools & Technologies: Python, Pandas, Numpy, Optuna, API exchange.
• Description: Engineered a backtesting framework designed to discover and evaluate quantitative trading strategies across historical market data.

Education

2017-2022 Engineering, Bachelor's degree, Belarusian State Technological University

Languages

English B2

Russian Native