Ivan
Yatsenko

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Finished gigs

Finished jobs

Website

everwatch.tech

Country

Not specified

Specialization

Hourly rate

Not specified

About me

Senior Full-Stack & Security Engineer (Founder of EverWatch). I build secure, high-performance web applications, websites, and bots from scratch using Ruby on Rails and Python. Why hire me: - Speed & Quality: I deliver production-ready code, not "junior spaghetti". - Security First: I ensure your product is safe from exploits. - Founder Mindset: I understand business goals and deadlines. Services: - Full-Stack Development: Custom websites, SaaS platforms, and landing pages with secure backend. - Bots & Integrations: Telegram bots, payment systems, and Web3 integrations. - Security & Fixes: Audits, penetration testing, and emergency production fixes.

https://www.linkedin.com/in/ivan-yatsenko-924303146/

Work experience

RZD (Russian Railways)

October 2024 – Current time

Job title

Senior Software Engineer

Work experience & achievements

Developing high-load enterprise systems and security infrastructure. - Designing secure APIs and microservices architecture. - Optimizing legacy code and database performance (PostgreSQL). - Ensuring compliance with security standards and data protection protocols.

TalentTech

July 2021 – October 2024

Job title

Senior Ruby on Rails Developer

Work experience & achievements

Built APIs and integrations for HR-tech platform. - Integrated remote web services and payment gateways. - Optimized search engine using ElasticSearch. - Managed high-load backend architecture (Ruby/RoR, MongoDB, PostgreSQL).

Rocketbank

January 2019 – October 2019

Job title

Backend Developer

Work experience & achievements

Backend development for a major FinTech neobank. - Developed APIs for marketing campaigns and user services. - Implemented microservices communication via RabbitMQ. - Why it matters: Experience with banking-grade security and transaction processing.

Evrone

September 2018 – January 2019

Job title

Ruby Developer

Work experience & achievements

Developed a crypto trading bot: - Built a trading bot integrated with Binance API to execute trade signals automatically. - Developed an admin panel for monitoring trades and strategy management. - Handled DDoS mitigation and high-load traffic (Nginx rate limiting).