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Vasilii Bulychev

@vasiliibulychev

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Senior Software Developer with expertise in backend systems and performance optimization.

Portugal

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What I'm looking for

I am looking for a challenging role where I can leverage my skills in backend development and system architecture, while contributing to innovative projects in a collaborative environment.

As a Senior Software Developer, I have a proven track record of leading teams and driving innovation in both startups and large companies. My experience includes architecting high-capacity systems, enhancing network security, and streamlining service deployment. I excel in backend development, network services, and system architecture, with a strong proficiency in Python and SQL.

Throughout my career, I have successfully maintained and enhanced complex platforms, focusing on performance optimizations and critical service migrations. My key accomplishments include removing redundant dependencies to improve performance, expanding test coverage, and optimizing database interactions. I am passionate about delivering robust solutions that enhance user experience and drive efficiency.

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Experience

Work history, roles, and key accomplishments

Current

Senior Software Developer

Current

BoostIT

Jan 2024 - Present (1 year 10 months)

Maintained and enhanced a network services platform built on a microservices architecture, handling user requests with traffic peaks reaching dozens of RPS. Focused on improving performance, reliability, and observability under increasing load. Removed redundant backend dependencies, reducing image size and improving performance.

fastAPI Kafka Redis PostgreSQL AWS Microservices Performance Optimization Observability

Senior Software Developer

Revolut

Jan 2022 - Present (3 years 10 months)

Maintained an advanced employee accounting platform, ensuring seamless integration with external services like Jira. Conducted debugging and expanded test coverage to ensure platform robustness. Spearheaded performance improvements by optimizing API handlers and SQL queries.

Python 3 Django DRF Celery

Senior Software Developer

UpbeatSoft

Jan 2020 - Present (5 years 10 months)

Developed and implemented a network topology service with operational simulation capabilities. Engineered system architecture and parsed network device configuration files from Cisco, CheckPoint, and Huawei. Crafted dynamic routes parsing and routing algorithms to determine optimal paths between network nodes.

Python 3 Django DRF Celery

Lead Software Developer

vk.com

Jan 2019 - Present (6 years 10 months)

Designed and architected high-capacity media recommendation systems to ensure robust service delivery with thousands of requests per second. Led a team of five developers, providing guidance and mentorship to enhance team performance. Implemented network services from specification drafting to release.

Python 3 AIO Stack Clickhouse Kafka

Software Developer

Ivideon

Jan 2016 - Present (9 years 10 months)

Developed and maintained a cloud video surveillance platform, facilitating the execution of Python 2-based services through proactive support and troubleshooting. Supported an internal administrative service using AngularJS, enhancing efficiency and streamlining processes. Migrated critical services to Python 3, optimizing performance and ensuring compatibility.

Python 3 Tornado Sanic

Software Developer

Afisha

Jan 2013 - Present (12 years 10 months)

Designed, implemented, and maintained robust backend systems and server-side APIs for media websites. Developed and integrated robust RESTful API tailored for seamless interaction with mobile clients. Utilized Python 2, Django, PostgreSQL, and Nginx to efficiently develop and deploy client-focused solutions.

Django PostgreSQL Nginx RESTful APIs