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Hi, I’m Sergei Petrov, a Senior Software Engineer with 6+ years of experience in architecting distributed web systems using JavaScript, TypeScript, React and Node.js. I’m passionate about delivering scalable solutions and reducing operational overhead through automation. I’ve built multi-service deployments, improved system throughput, and aligned architectures with business goals to drive long-term maintainability. I enjoy collaborating across teams to translate complex requirements into robust, production-grade software.…Hi, I’m Sergei Petrov, a Senior Software Engineer with 6+ years of experience in architecting distributed web systems using JavaScript, TypeScript, React and Node.js. I’m passionate about delivering scalable solutions and reducing operational overhead through automation. I’ve built multi-service deployments, improved system throughput, and aligned architectures with business goals to drive long-term maintainability. I enjoy collaborating across teams to translate complex requirements into robust, production-grade software.

Sergei Petrov

Full Stack Developer, Web Developer, Programmer, +2

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Hi, I’m Sergei Petrov, a Senior Software Engineer with 6+ years of experience in architecting distributed web systems using JavaScript, TypeScript, React and Node.js. I’m passionate about delivering scalable solutions and reducing operational overhead through automation. I’ve built multi-service deployments, improved system throughput, and aligned architectures with business goals to drive long-term maintainability. I enjoy collaborating across teams to translate complex requirements into robust, production-grade software.…Hi, I’m Sergei Petrov, a Senior Software Engineer with 6+ years of experience in architecting distributed web systems using JavaScript, TypeScript, React and Node.js. I’m passionate about delivering scalable solutions and reducing operational overhead through automation. I’ve built multi-service deployments, improved system throughput, and aligned architectures with business goals to drive long-term maintainability. I enjoy collaborating across teams to translate complex requirements into robust, production-grade software.

Available to hire

Hi, I’m Sergei Petrov, a Senior Software Engineer with 6+ years of experience in architecting distributed web systems using JavaScript, TypeScript, React and Node.js. I’m passionate about delivering scalable solutions and reducing operational overhead through automation.

I’ve built multi-service deployments, improved system throughput, and aligned architectures with business goals to drive long-term maintainability. I enjoy collaborating across teams to translate complex requirements into robust, production-grade software.

Skills

Experience Level

Expert

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Expert

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Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Engineer at Velte Tech

February 1, 2025 - February 1, 2025

Led a website performance overhaul by optimizing React rendering and implementing lazy loading, boosting speed by 45% and elevating user retention by 20%. Architected an internal dashboard with Next.js and Node.js to streamline product-team workflows by 35%. Engineered RESTful APIs and microservices to support multi-tenant features, increasing system scalability by 50%. Established Cypress-based integration tests, reducing post-release bugs by 30% and shortening QA cycles by 25%. Rolled out e-commerce modules with React and Express, increasing online sales conversion by 18%. Refactored monolithic services into modular REST APIs with Node.js and PostgreSQL, cutting infrastructure costs by 22%.

Full Stack Developer at VYAPAR

July 1, 2024 - July 1, 2024

Instituted a reusable component library, improving maintainability and reducing development time by 40%. Developed and deployed e-commerce features using Python and Django, increasing transaction processing speed by 45% and enabling 30% higher order volume. Automated continuous deployment workflows via GitHub Actions and Docker, shortening release cycles by 60%. Championed weekly code reviews to enforce best practices, raising code quality scores by 35% and reducing bugs by 20%. Crafted interactive web interfaces with HTML, CSS, and JavaScript to support internal operations, improving operational efficiency by 25%. Converted functional requirements into prototypes and production-ready solutions, cutting delivery time by 30%. Revamped internal tools with a focus on UX, increasing employee adoption by 40%.

Full Stack Developer at Kwork

January 1, 2022 - January 1, 2022

Drove feature updates, bug fixes, and testing cycles, enhancing release stability by 28%. Engaged non-technical stakeholders to integrate feedback and iterate on UI, raising user satisfaction scores by 32%. Orchestrated database migration and optimization (PostgreSQL), improving query performance by 55% and reducing storage costs by 18%. Implemented monitoring and observability stack (Prometheus & Grafana), decreasing mean time to detection by 70% and mean time to resolution by 40%. Led cross-team onboarding and technical documentation initiative, shortening ramp-up time for new hires by 45% and increasing sprint throughput by 22%. Piloted an A/B testing framework for frontend experiments, increasing feature adoption by 27% and conversion on tested pages by 15%.