Top Talent like Cole 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.

Cole Olshavsky

Frontend Developer • Lackawanna County, PA, US
AWS
CI/CD
Python
Java
Available for hire fromNegotiable
Contracts
Senior Software Engineer @ Dev&Mark | MERN Stack | Node.js | React.js | Next.js | Javascript Expert | AWS
Senior Software Engineer | Front-End Specialist | Full-Stack Innovator With 7+ years of experience in scalable web applications and high-performance front-end development, I specialize in crafting exceptional user experiences, modular architectures, and enterprise-grade solutions. My expertise spans the MERN stack, .NET, AWS, and cloud-native technologies, enabling me to deliver robust, maintainable, and high-performing applications. Front-End Excellence Architected scalable, reusable component libraries with React.js, Next.js, and TypeScript, accelerating development speed by 30%. Designed pixel-perfect, accessible UIs using Tailwind CSS, Material UI, and automated testing tools to ensure WCAG compliance. Optimized frontend performance with atomic CSS, caching strategies, and efficient state management (Redux, Context API, React Hooks). Full-Stack & Scalable Solutions Engineered highly scalable SaaS and enterprise applications, integrating Node.js, Express.js, and GraphQL APIs for seamless backend interactions. Built real-time features with WebSockets, enhancing user engagement by 25% through live notifications and dynamic UI updates. Designed cloud-native architectures using AWS Lambda, S3, and DynamoDB, cutting infrastructure costs by 25% while boosting reliability. Performance, Security & DevOps Developed secure payment gateways with Stripe, PayPal, ensuring PCI compliance and high-volume transaction handling. Automated CI/CD pipelines with Docker & GitLab CI/CD, reducing deployment cycles by 30% and enabling rapid feature rollouts. Led legacy modernization projects, transforming outdated monolithic systems into highly modular, scalable, and maintainable architectures. I thrive in Agile, cross-functional teams, mentoring engineers, optimizing performance, and delivering cutting-edge solutions that drive business success and seamless user experiences. Let’s build something amazing! Tech Stack: Front-End: React.js, Next.js, Redux, TypeScript, Tailwind CSS, Storybook Back-End: Node.js, Express.js, .NET, GraphQL, REST APIs Cloud & DevOps: AWS (Lambda, S3, DynamoDB, ECS), Docker, GitLab CI/CD Other: WebSockets, Redis, PostgreSQL, MongoDB, Jest, Mocha

Projects

AI-Based Workforce Scheduling

Developed a tool that predicts staffing needs based on historical data and analytics, leading to a 15% reduction in labor costs.

E-Commerce Platform Optimization

Led a project to enhance the performance of an e-commerce platform, resulting in a 25% increase in user engagement.

Work History

D

Senior Software Engineer

Dev&MarkBuilt a Scalable, Reusable UI Component Library – Designed a backward-compatible component system, improving code reusability by 30% and accelerating feature delivery. Crafted High-Performance, Scalable Frontends – Engineered modular, responsive UI components with React.js, Next.js, TypeScript, and Storybook, ensuring consistency and maintainability. Optimized Page Performance & Load Times – Boosted speed by 15% using atomic CSS, streamlined database queries, and caching solutions like Redis. Enhanced State Management & User Experience – Leveraged React Hooks, Context API, and Redux, ensuring seamless state-driven interactions across applications. Designed Pixel-Perfect, Accessible UI – Implemented Material UI & Tailwind CSS, automating accessibility checks with axe-core for WCAG 2.0 AA compliance. Implemented Real-Time Features – Integrated WebSockets for live updates and notifications, increasing user engagement by 25%. CI/CD & Deployment Automation – Streamlined workflows using Docker & GitLab CI/CD, reducing deployment cycles by 30%. Secure Payment Gateway Development – Architected a PCI-compliant payment system using React.js, Redux, and Node.js, optimizing secure, high-volume transactions.
3

Senior Software Engineer

3VerticalsApr 2019 - Sep 2021 • 2 yrs 6 mosBuilt a Scalable Authorization System – Developed a distributed authorization system using Open Policy Agent (OPA), improving performance by 30% and securing access control. Modernized Legacy Systems – Upgraded Confluence Cloud with WebSocket-based real-time sync, cutting server costs by $10,000/month and improving performance by 40%. Designed Reusable UI Components – Developed modular, scalable React.js & Next.js front-end components, reducing development time by 30%. Optimized User Experience & Performance – Enhanced UIs using Tailwind CSS, Material UI, and optimized frontend rendering, boosting speed and engagement. Developed Enterprise Features – Created custom Confluence templates for enterprise clients like Microsoft & Slack, improving large-scale content workflows. Integrated Serverless & Cloud Technologies – Built cloud-native solutions with AWS Lambda, S3, DynamoDB, reducing infrastructure costs by 25%. Automated Data Processing – Developed Node.js scripts that cut manual data processing efforts by 50%, streamlining workflows. Real-Time Notifications & API Optimization – Implemented WebSockets & GraphQL APIs, ensuring seamless updates and reducing API response times. Testing & Stability – Achieved 90% test coverage with Jest & Mocha, improving system reliability and reducing regression issues.

Education

U

UC Irvine

Bachelor's degree, Computer Science2015 - 2019

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 @ Dev&Mark | MERN Stack | Node.js | React.js | Next.js | Javascript Expert | AWS
Senior Software Engineer | Front-End Specialist | Full-Stack Innovator With 7+ years of experience in scalable web applications and high-performance front-end development, I specialize in crafting exceptional user experiences, modular architectures, and enterprise-grade solutions. My expertise spans the MERN stack, .NET, AWS, and cloud-native technologies, enabling me to deliver robust, maintainable, and high-performing applications. Front-End Excellence Architected scalable, reusable component libraries with React.js, Next.js, and TypeScript, accelerating development speed by 30%. Designed pixel-perfect, accessible UIs using Tailwind CSS, Material UI, and automated testing tools to ensure WCAG compliance. Optimized frontend performance with atomic CSS, caching strategies, and efficient state management (Redux, Context API, React Hooks). Full-Stack & Scalable Solutions Engineered highly scalable SaaS and enterprise applications, integrating Node.js, Express.js, and GraphQL APIs for seamless backend interactions. Built real-time features with WebSockets, enhancing user engagement by 25% through live notifications and dynamic UI updates. Designed cloud-native architectures using AWS Lambda, S3, and DynamoDB, cutting infrastructure costs by 25% while boosting reliability. Performance, Security & DevOps Developed secure payment gateways with Stripe, PayPal, ensuring PCI compliance and high-volume transaction handling. Automated CI/CD pipelines with Docker & GitLab CI/CD, reducing deployment cycles by 30% and enabling rapid feature rollouts. Led legacy modernization projects, transforming outdated monolithic systems into highly modular, scalable, and maintainable architectures. I thrive in Agile, cross-functional teams, mentoring engineers, optimizing performance, and delivering cutting-edge solutions that drive business success and seamless user experiences. Let’s build something amazing! Tech Stack: Front-End: React.js, Next.js, Redux, TypeScript, Tailwind CSS, Storybook Back-End: Node.js, Express.js, .NET, GraphQL, REST APIs Cloud & DevOps: AWS (Lambda, S3, DynamoDB, ECS), Docker, GitLab CI/CD Other: WebSockets, Redis, PostgreSQL, MongoDB, Jest, Mocha

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 Cole 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.

Cole Olshavsky

Frontend Developer • Lackawanna County, PA, US
AWS
CI/CD
Python
Java
Available for hire fromNegotiable
Contracts

Projects

AI-Based Workforce Scheduling

Developed a tool that predicts staffing needs based on historical data and analytics, leading to a 15% reduction in labor costs.

E-Commerce Platform Optimization

Led a project to enhance the performance of an e-commerce platform, resulting in a 25% increase in user engagement.

Work History

D

Senior Software Engineer

Dev&MarkBuilt a Scalable, Reusable UI Component Library – Designed a backward-compatible component system, improving code reusability by 30% and accelerating feature delivery. Crafted High-Performance, Scalable Frontends – Engineered modular, responsive UI components with React.js, Next.js, TypeScript, and Storybook, ensuring consistency and maintainability. Optimized Page Performance & Load Times – Boosted speed by 15% using atomic CSS, streamlined database queries, and caching solutions like Redis. Enhanced State Management & User Experience – Leveraged React Hooks, Context API, and Redux, ensuring seamless state-driven interactions across applications. Designed Pixel-Perfect, Accessible UI – Implemented Material UI & Tailwind CSS, automating accessibility checks with axe-core for WCAG 2.0 AA compliance. Implemented Real-Time Features – Integrated WebSockets for live updates and notifications, increasing user engagement by 25%. CI/CD & Deployment Automation – Streamlined workflows using Docker & GitLab CI/CD, reducing deployment cycles by 30%. Secure Payment Gateway Development – Architected a PCI-compliant payment system using React.js, Redux, and Node.js, optimizing secure, high-volume transactions.
3

Senior Software Engineer

3VerticalsApr 2019 - Sep 2021 • 2 yrs 6 mosBuilt a Scalable Authorization System – Developed a distributed authorization system using Open Policy Agent (OPA), improving performance by 30% and securing access control. Modernized Legacy Systems – Upgraded Confluence Cloud with WebSocket-based real-time sync, cutting server costs by $10,000/month and improving performance by 40%. Designed Reusable UI Components – Developed modular, scalable React.js & Next.js front-end components, reducing development time by 30%. Optimized User Experience & Performance – Enhanced UIs using Tailwind CSS, Material UI, and optimized frontend rendering, boosting speed and engagement. Developed Enterprise Features – Created custom Confluence templates for enterprise clients like Microsoft & Slack, improving large-scale content workflows. Integrated Serverless & Cloud Technologies – Built cloud-native solutions with AWS Lambda, S3, DynamoDB, reducing infrastructure costs by 25%. Automated Data Processing – Developed Node.js scripts that cut manual data processing efforts by 50%, streamlining workflows. Real-Time Notifications & API Optimization – Implemented WebSockets & GraphQL APIs, ensuring seamless updates and reducing API response times. Testing & Stability – Achieved 90% test coverage with Jest & Mocha, improving system reliability and reducing regression issues.

Education

U

UC Irvine

Bachelor's degree, Computer Science2015 - 2019

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.