Javier Núñez Araya
@javiernezaraya
Full Stack Engineer specializing in React, TypeScript, and .NET for high-quality web apps.
What I'm looking for
I am a Full Stack Engineer with 7+ years building production systems focused on high-quality web applications using React, TypeScript, and .NET. I lead with testing, performance, and reliable delivery while maintaining strong cross-team collaboration.
I've worked across Azure, Python/FastAPI, Node.js, and multiple databases (PostgreSQL, MongoDB, Cosmos DB), owning architecture and integrations for cloud platforms and services. I have hands-on experience implementing PWAs, service workers, and route-based code splitting to boost performance and offline capability.
As a tech lead and engineer at Tridius and previous roles at Microsoft and Intel, I established CI/CD pipelines, delivery standards, and improved reliability and latency through API management and infrastructure automation. I also built big-data analysis pipelines and production dashboards to drive actionable insights.
I bring a practical, results-driven approach—comfortable designing end-to-end solutions, automating workflows, and shipping scalable systems. I'm passionate about accessible, responsive design and continuous improvement in engineering processes.
Experience
Work history, roles, and key accomplishments
Full Stack Engineer
Infinite Computer Solutions
Jan 2025 - Present (9 months)
Build and maintain high-performance React TypeScript PWAs with service workers and route-based code splitting; collaborate with backend teams to enforce accessibility and improve perceived performance and reliability.
Full Stack Developer
Tridius Technologies
Nov 2022 - Jan 2025 (2 years 2 months)
Served as Tech Lead for an Azure cloud platform, owning architecture and integration across .NET APIs and a React front end; established CI, code-review gates, and delivery standards to improve reliability and latency.
Software Engineer
Microsoft Regional Operations
Jan 2022 - Nov 2022 (10 months)
Modernized cloud engineering systems and refactored .NET Core frameworks to boost performance and developer productivity; built big-data analysis pipelines and dashboards to measure developer engagement.
Product Development Engineer
Intel Corporation
Feb 2020 - Dec 2021 (1 year 10 months)
Automated quality-control workflows with Power BI/Power Apps and implemented internal ticketing with Power Automate; analyzed multi-source data with Python and deployed React + .NET reports on Azure to improve team efficiency.
Junior Developer
Continental Security Group
Jan 2018 - Feb 2020 (2 years 1 month)
Developed an ERP for HR and finance using Blazor, .NET and SQL on Azure and maintained company websites, improving internal processes and online presence.
Education
Degrees, certifications, and relevant coursework
University of Costa Rica
Bachelor of Science, Computer Science
Pursuing a Bachelor of Science in Computer Science focused on software engineering, web technologies, and cloud platforms.
Unidad Pedagógica José Rafael Araya Rojas
High School Diploma, High School
Completed secondary education and obtained a high school diploma in 2014.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
Interested in hiring Javier?
You can contact Javier and 90k+ other talented remote workers on Himalayas.
Message JavierFind your dream job
Sign up now and join over 100,000 remote workers who receive personalized job alerts, curated job matches, and more for free!
