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I'm César, a senior WordPress and full-stack developer with 10+ years of experience building scalable, high-performance web solutions. I specialize in custom development, performance optimization and system architecture, and I enjoy collaborating with international teams to solve real business problems with maintainable solutions. I focus on translating complex requirements into robust, reliable software that delivers tangible improvements in user experience, loading times, and Core Web Vitals. I value clean code, solid architecture, and measurable impact for clients and users alike.…I'm César, a senior WordPress and full-stack developer with 10+ years of experience building scalable, high-performance web solutions. I specialize in custom development, performance optimization and system architecture, and I enjoy collaborating with international teams to solve real business problems with maintainable solutions. I focus on translating complex requirements into robust, reliable software that delivers tangible improvements in user experience, loading times, and Core Web Vitals. I value clean code, solid architecture, and measurable impact for clients and users alike.

César Andrés Contreras Pineda

Web Developer, Front-End Developer, Full Stack Developer, +3

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I'm César, a senior WordPress and full-stack developer with 10+ years of experience building scalable, high-performance web solutions. I specialize in custom development, performance optimization and system architecture, and I enjoy collaborating with international teams to solve real business problems with maintainable solutions. I focus on translating complex requirements into robust, reliable software that delivers tangible improvements in user experience, loading times, and Core Web Vitals. I value clean code, solid architecture, and measurable impact for clients and users alike.…I'm César, a senior WordPress and full-stack developer with 10+ years of experience building scalable, high-performance web solutions. I specialize in custom development, performance optimization and system architecture, and I enjoy collaborating with international teams to solve real business problems with maintainable solutions. I focus on translating complex requirements into robust, reliable software that delivers tangible improvements in user experience, loading times, and Core Web Vitals. I value clean code, solid architecture, and measurable impact for clients and users alike.

Available to hire

I’m César, a senior WordPress and full-stack developer with 10+ years of experience building scalable, high-performance web solutions. I specialize in custom development, performance optimization and system architecture, and I enjoy collaborating with international teams to solve real business problems with maintainable solutions.

I focus on translating complex requirements into robust, reliable software that delivers tangible improvements in user experience, loading times, and Core Web Vitals. I value clean code, solid architecture, and measurable impact for clients and users alike.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

Chief Technology Officer at State Government of Guerrero

November 1, 2022 - Present

Development team leader responsible for planning, designing and deploying functional websites and web applications for government agencies. I lead task assignment, create plans and progress reports, and supervise a team of developers to ensure compliance with guidelines and quality standards. I analyze requirements, propose solutions, and maintain and improve citizen-facing WordPress sites, delivering new features using WordPress Builders or custom templates. Technologies include WordPress, CSS, HTML, JavaScript, ReactJS, PHP, MySQL, and cloud infrastructure.

Front-End Web Developer at ALSEA Group (via Bounteous)

May 1, 2022 - November 1, 2022

Remote front-end development for ALSEA Group projects. Responsible for tracking assigned tasks, producing daily status reports, time sheets, version control, and keeping websites and applications in optimal condition for public use. Collaborated with designers and back-end developers to deliver responsive, accessible interfaces.

Sr. Web Developer at DGK México

January 1, 2021 - April 1, 2022

Design, development and deployment of WordPress websites; maintenance and improvement of WordPress sites; build from scratch or child templates as required; develop new features; fix bugs; server and domain administration.

Sr. Web Developer at State Government of Guerrero

June 1, 2012 - October 1, 2021

Design, development and deployment of functional websites in WordPress; assign tasks to team members; track project status; produce daily status reports; ensure websites and applications meet guidelines and serve citizens effectively; analyze requirements and provide technical solutions; plan new developments and enhancements.

Sr. Developer at bPlusTI

January 1, 2016 - December 1, 2018

Lead developer of a small team (2 developers and 1 designer). Web and mobile development for iOS and Android; developed apps including AcaBus transportation system and AlertaGuerrero citizen reporting. Involved in web applications and custom WordPress themes built with PHP, MySQL and related technologies; served as instructor for WordPress training courses.

Senior WordPress Developer at Turitop

January 1, 2025 - Present

Worked on a custom online booking system built on WordPress Multisite. Developed booking logic and custom features, integrated APIs and automated workflows, improved performance and system reliability, and managed servers, instances and deployments in complex production environments.

Senior WordPress Developer at Starke Marketing

January 1, 2023 - January 1, 2025

Delivered custom WordPress solutions for US-based clients. Built custom themes and plugins, improved performance (Core Web Vitals), integrated external services, and resolved production issues.