Сергей Сергеев - Резюме Python/Rust developer

4 years

Saratov State University, Computer Security 10.05.01

Python: FastAPI, Threading, SQLAlchemy, Pytest, Flask, Gevent, Alembic, Psycopg2, Asyncio, Typing, Pydantic, BeautifulSoup, Dishka, Aiohttp, Multiprocessing, PyJWT. Rust: PyO3, Rug, Rayon, SQLX, Actix-web, Tokio, Serde_json. Databases & Infrastructure: PostgreSQL, Redis, Docker, Linux, Git, Bash. Integration & Messaging: REST API, RabbitMQ, Apache Kafka, WebSocket, MQTT, Swagger. Authentication & Security: Keycloak, JWT. Additional: Competitive programming.

Английский

Specialization: Back-end developer in Python and Rust with 4 years of commercial experience.
Education: (2020 – February 2026) Saratov National Research State University named after N.G.
Chernyshevsky, Faculty of Computer Science and Information Technologies, Specialty 10.05.01
“Computer Security” (Specialist Degree).
English proficiency: B2 (Upper-Intermediate, conversational).

Work Experience:
LLC 'Intelligent Solutions' (2022 – Present)
1. Currency Arbitrage Platform (Smart currency exchange platform generating profit)
• Automated the process of periodic updating and synchronization of currency data collected
from multiple external platforms using Python-based solutions.
• Developed a Rust microservice responsible for detecting chains of currency transfers based on
aggregated and normalized exchange data.
• Designed and implemented backend logic for the web application, including creation,
configuration, and maintenance of REST APIs for core functional modules.
2. Automated Futures Trading Platform (Microservice architecture)
• Automated collection, aggregation, and preprocessing of market data from external trading
platforms through public APIs.
• Developed a Rust microservice implementing business logic of trading algorithms using
Actix-web for inter-service communication and Tokio for asynchronous processing.
• Implemented backend components responsible for automated trade execution through external
system APIs.
• Designed and implemented a configuration mechanism for trading strategies with support for
parallel execution to ensure scalability for a large number of users.
• Developed a Profit and Loss (PnL) accounting system to analyze performance and
effectiveness of trading strategies.
• Implemented a paper trading simulation mode for secure testing and validation of new trading
algorithms without financial risks.
• Integrated an analytical data collection system to improve optimization, evaluation, and further
development of trading solutions.
• Performed architectural and performance optimization, significantly increasing throughput and
execution speed using multithreading, PyO3 integration, and WebSocket-based communication
with external services.
3. Web Interface for Granulometry Service
• Optimized the mechanism for archiving and exporting historical data from the system to
improve reliability and performance.
4. Cargo Transportation Monitoring System
• Developed a document revocation validation process for vehicles using RabbitMQ-based
message queues.
• Enhanced backend interaction with the driver mobile application, including route generation,
authentication and authorization, route modifications, transportation stage updates, and
deviation tracking.
• Improved the event archiving process related to cargo transportation workflows.
• Implemented driver tracking functionality at checkpoints through a web-based interface.
5. Market Monitoring and Patent Clearance Services for JSC 'Pharmfirm Sotex'
• Acted as technical lead of the project: defined technical solutions, conducted code reviews,
ensured code quality and adherence to architectural standards.
• Designed and implemented project architecture from scratch using hexagonal architecture
principles to ensure scalability, testability, and isolation of domain logic.
• Led the technical implementation of the service and personally developed key system modules.
• Implemented backend using FastAPI, Pydantic, and asynchronous SQLAlchemy.
• Designed and implemented authentication and authorization mechanisms using Keycloak for
access management, Redis for temporary session storage, and JWT (PyJWT) for secure
identity verification.
• Worked with asynchronous processes and WebSocket connections to execute and monitor
long-running requests in real time.
• Ensured service stability and readiness for high-load production environments.
6. Pump Equipment Monitoring Service
• Designed system architecture from scratch using a microservice interaction model for
monitoring and controlling municipal water supply pumping equipment.
• Implemented Rust-based services utilizing an MQTT bus for telemetry reception, processing,
and routing from pump equipment.
• Migrated computational data-processing logic from Node-RED to Rust while preserving existing
algorithms and significantly improving performance, stability, and maintainability.
• Added a dedicated microservice integrating external weather data sources to incorporate
climate factors into monitoring and analytics logic.
• Ensured system scalability and fault tolerance through asynchronous message processing and
decomposition into independent services.

Project Experience
• Cryptocurrency Portfolio Management Service:
• Served as technical lead, independently developing backend components, coordinating
frontend and DevOps teams, and communicating with the client regarding requirements and
architectural decisions.
• Designed backend architecture from scratch using hexagonal architecture to ensure modularity,
scalability, and business logic isolation.
• Implemented backend using FastAPI and Uvicorn, asynchronous database access via
SQLAlchemy (async), dependency injection container (Dishka), integration with external trading
platforms using aiohttp, and JWT-based authentication (PyJWT).