Cesar Serrano

Senior Software Engineer

Laurel

Nov 2025 - Current (1 year)

Senior Software Engineer

Kojo

Dec 2024 - Sep 2025 (10 months)

Develop and optimize features for a high-growth SaaS platform supporting the construction materials industry, enabling contractors and suppliers to streamline procurement and project workflows. Collaborate with cross-functional teams (designers, PMs, QA, and product leadership) to deliver scalable, user-friendly solutions that improve adoption and reduce operational bottlenecks. Expert in modern development practices: code reviews, CI/CD pipelines, automated testing, and agile methodologies. Leverage AI-powered developer tools such as Cursor and Claude to accelerate development, improve code quality, and boost overall productivity. Contribute to performance optimizations and database query improvements. Tech stack: Node.js, Express, React,

Software Engineer

Presence

Nov 2021 - Sep 2024 (2 years 11 months)

General Motors Created and maintained REST and GraphQL APIs, dashboards, and time-series data for vehicle and battery management. Leveraged advanced NextJS features such as server-side rendering, server components, lazy loading, request management, and cache revalidation. Gained experience using AI prediction tools (Adobe Experience Platform) to deliver personalized content. Tech Stack: React, React Native, Node, Python, Express, NextJS, Redux, WebSockets, Postgres, MongoDB, GraphQL, Firebase, Azure.

C

Software Engineer

CkikAuto

Nov 2020 - Oct 2021 (1 year)

Developed a marketplace from scratch using React, NextJS, and headless CMS architecture. Delivered a high-performance web application following modern best practices. Configured CI/CD with Vercel, utilizing branch previews to accelerate development. Collaborated closely with Product Owners and clients to translate business needs into technical solutions. Built a design system and atomic components with MUI. Managed AWS lambdas created with Python & Node to build RestFul APIS and microservices architecture. Tech Stack: React, Mui, Wordpress, Contenful, StyledComponents, Emotion, Node, Ruby, Express, NextJS, Redux, WebSockets, Postgres, Vercel, AWS Beanstalk. EC2, S3, Lambda, SNS, SQS.

Software Engineer

Altran

Feb 2017 - Nov 2020 (3 years 10 months)

Ford Motor Company Developed HMI (Human-Machine Interface) applications using QML and ReactJS, transforming Figma designs into interactive applications. Migrated QML UIs to ReactJS, rebuilding all existing business logic from scratch. Built and maintained backend microservices for vehicle data computation using Node and Python. Promoted to Tech Lead, coaching junior engineers and delivering workshops on Git, TypeScript, and React. Tech Stack: QML, React, TypeScript, HTML, CSS, Figma, WebSockets, Python, Node. IBM Created, maintained, and upgraded UI interfaces for IBM Storage Mainframes. Conducted reverse engineering of legacy Java and JavaScript systems to document and plan migrations to modern technologies. Tech Stack: JavaScript, HTML, C

Software Engineer

PriceTravel Holding

Jan 2015 - Feb 2017 (2 years 2 months)

Developed and maintained a SaaS booking engine, managing multi-tenant features for major airlines and agencies like Interjet, Copa Airlines, and Viajes El Corte Inglés. Contributed to a migration from on-premise architecture to AWS EC2. Tech Stack: C#, JavaScript, AngularJS, CSS, HTML, SQL Server, AWS EC2.

W

Web Developer

Nov 2011 - Jan 2015 (3 years 3 months)

Began building websites and Facebook applications using Google and Facebook APIs before graduating college. Worked at a local startup, developing custom apps from scratch to meet client needs. Deployed solutions to VPCs and shared hosting providers like DigitalOcean, Bluehost, and Hostinger. Tech Stack: JavaScript, HTML, CSS, PHP, jQuery, WordPress, Python, Django

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Cesar Serrano

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