Top Talent like Serhii are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Serhii Kachanov

Full-stack Engineer
Mobile Developer
Ukraine
Next.js
Flutter
Kotlin
Shopify
React Native
PHP
Node.js
Angular
Django
MySQL
PostgreSQL
Laravel
React
TypeScript
Python
Jira
Available for hire fromNegotiable
Senior Software Engineer with Expertise in Front-end and Cloud Development
Experienced front-end and full-stack developer with a strong background in React, Angular, and cloud infrastructure. Skilled in building scalable, high-performance web applications, implementing CI/CD pipelines, and leading modernization efforts. Passionate about creating user-centric designs and efficient development workflows.

Work History

W

Front-end Engineer II

WillowTreeJan 2020 - Jan 2025 • 5 yrs 1 moPioneered the development of the Customer Profiles product, implementing the UI using TypeScript and React, successfully launching within a tight 3-month timeline. Improved user experience and customization, leading to a better client interface. Worked on AWS infrastructure, utilizing AWS CDK for infrastructure as code, and enhanced deployment strategies. Reduced development time by creating reusable component libraries and enabling continuous integration for APIs with EventBridge.
E

Front-end Engineer

EnigmaJan 2019 - Jan 2020 • 1 yr 1 moTransformed the client-side application using React, improving performance and SEO. Collaborated on design and product teams to develop a React component library, ensuring UI consistency and functionality. Created a visual demonstration for the Engima Small Business API, showcasing product capabilities. Established Cypress test suite for end-to-end testing, ensuring reliable deployment. Participated in recruitment, contributing to team expansion.
C

Senior Software Engineer

CompassJan 2018 - Jan 2019 • 1 yr 1 moLed the migration of AngularJS components to React, modernizing the application's architecture. Developed new features and improved existing ones, enhancing user experience and performance. Collaborated with designers during UI/UX phases, providing insights into user flows. Mentored new hires and facilitated onboarding. Focused on maintaining high code quality, performance, and reliability.
S

Software Engineer

SpringJan 2017 - Jan 2018 • 1 yr 1 moContributed to the development environment, updating and optimizing codebase. Identified inefficiencies and proposed solutions for testing and continuous integration, leading to improved processes. Implemented Prefilter and other features in JavaScript, reducing bugs and improving performance. Integrated analytics and A/B testing libraries, enhancing data collection and experimentation.
A

Software Engineer

ADPJan 2015 - Jan 2017 • 2 yrs 1 moLed the migration of a large monolithic codebase into microservices, ensuring scalability and maintainability. Designed and implemented attribute-based access control (ABAC) system, compliant with XACML specifications. Developed and integrated a Docker-based Selenium testing environment. Contributed to continuous integration workflows, improving deployment cycles.
B

Full-stack Web Developer

BunceeJan 2014 - Jan 2015 • 1 yr 1 moJoined as the second engineer, responsible for full-stack development and scaling the platform. Modernized legacy code, adhering to MVC patterns. Designed a fast, responsive UI and optimized database schemas, enhancing system reliability. Implemented backend features and database relationships, ensuring data integrity and security.

Education

S

Stony Brook University

Bachelor's Degree in Computer Science, Computer Science2011 - 2014

How Pangea Works

Effortlessly discover top talent

We've distilled the candidate search from endless hours down to just a few minutes. Using Pangea's AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company's niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea's fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team's capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We've combined every part of the hiring process into one platform to eliminate the miscommunication that's unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Senior Software Engineer with Expertise in Front-end and Cloud Development
Experienced front-end and full-stack developer with a strong background in React, Angular, and cloud infrastructure. Skilled in building scalable, high-performance web applications, implementing CI/CD pipelines, and leading modernization efforts. Passionate about creating user-centric designs and efficient development workflows.

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call

Top Talent like Serhii are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Serhii Kachanov

Full-stack Engineer
Mobile Developer
Ukraine
Next.js
Flutter
Kotlin
Shopify
React Native
PHP
Node.js
Angular
Django
MySQL
PostgreSQL
Laravel
React
TypeScript
Python
Jira
Available for hire fromNegotiable

Work History

W

Front-end Engineer II

WillowTreeJan 2020 - Jan 2025 • 5 yrs 1 moPioneered the development of the Customer Profiles product, implementing the UI using TypeScript and React, successfully launching within a tight 3-month timeline. Improved user experience and customization, leading to a better client interface. Worked on AWS infrastructure, utilizing AWS CDK for infrastructure as code, and enhanced deployment strategies. Reduced development time by creating reusable component libraries and enabling continuous integration for APIs with EventBridge.
E

Front-end Engineer

EnigmaJan 2019 - Jan 2020 • 1 yr 1 moTransformed the client-side application using React, improving performance and SEO. Collaborated on design and product teams to develop a React component library, ensuring UI consistency and functionality. Created a visual demonstration for the Engima Small Business API, showcasing product capabilities. Established Cypress test suite for end-to-end testing, ensuring reliable deployment. Participated in recruitment, contributing to team expansion.
C

Senior Software Engineer

CompassJan 2018 - Jan 2019 • 1 yr 1 moLed the migration of AngularJS components to React, modernizing the application's architecture. Developed new features and improved existing ones, enhancing user experience and performance. Collaborated with designers during UI/UX phases, providing insights into user flows. Mentored new hires and facilitated onboarding. Focused on maintaining high code quality, performance, and reliability.
S

Software Engineer

SpringJan 2017 - Jan 2018 • 1 yr 1 moContributed to the development environment, updating and optimizing codebase. Identified inefficiencies and proposed solutions for testing and continuous integration, leading to improved processes. Implemented Prefilter and other features in JavaScript, reducing bugs and improving performance. Integrated analytics and A/B testing libraries, enhancing data collection and experimentation.
A

Software Engineer

ADPJan 2015 - Jan 2017 • 2 yrs 1 moLed the migration of a large monolithic codebase into microservices, ensuring scalability and maintainability. Designed and implemented attribute-based access control (ABAC) system, compliant with XACML specifications. Developed and integrated a Docker-based Selenium testing environment. Contributed to continuous integration workflows, improving deployment cycles.
B

Full-stack Web Developer

BunceeJan 2014 - Jan 2015 • 1 yr 1 moJoined as the second engineer, responsible for full-stack development and scaling the platform. Modernized legacy code, adhering to MVC patterns. Designed a fast, responsive UI and optimized database schemas, enhancing system reliability. Implemented backend features and database relationships, ensuring data integrity and security.

Education

S

Stony Brook University

Bachelor's Degree in Computer Science, Computer Science2011 - 2014

How Pangea Works

Effortlessly discover top talent

We've distilled the candidate search from endless hours down to just a few minutes. Using Pangea's AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company's niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea's fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team's capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We've combined every part of the hiring process into one platform to eliminate the miscommunication that's unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Pangea empowers fractional work across the world for marketing and design roles.