Javier Peña is a Director of Technology and seasoned software engineer with 10 years of experience building scalable front-end and full-stack products across startups and large companies from Menlo Park to Spain. He combines leadership at Cognition.run with hands-on engineering and product roles—cofounding eStela Streaming and Tawea Technologies while delivering global-facing Laravel, React, GraphQL, and Firebase systems. Javier spent three years as a Senior Frontend Developer at Meta and has led teams using React, Redux, RxJS and Apollo to build high-density UIs and observability tools. He also teaches React professionally, mentors engineering teams on clean code and CI/CD, and has practical .NET and Azure DevOps experience from fintech and payments projects. Outside work he ships indie projects and maintains a public portfolio, reflecting an entrepreneurial mindset and a knack for turning prototypes into multi-country deployments.
10 years of coding experience
11 years of employment as a software developer
Engineer’s Degree Computer Science, Engineer’s Degree Computer Science at Universidad de Almería
Contributions:11 commits, 8 pushes, 1 branch in 2 years 4 months
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Javier Peña - Director Of Technology at Cognition.run