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Hi, I’m Adriana Valentina Tarquino Cespedes, a systems engineer with hands-on experience across full-stack, mobile development, and software quality assurance. I enjoy collaborating in Agile teams to build robust web and mobile applications and I approach problems with a proactive mindset. I’m comfortable working remotely or on-site and I’m always eager to learn new technologies, improve test coverage, performance, and user experience.…Hi, I’m Adriana Valentina Tarquino Cespedes, a systems engineer with hands-on experience across full-stack, mobile development, and software quality assurance. I enjoy collaborating in Agile teams to build robust web and mobile applications and I approach problems with a proactive mindset. I’m comfortable working remotely or on-site and I’m always eager to learn new technologies, improve test coverage, performance, and user experience.

Adriana Valentina Tarquino Cespedes

Full Stack Developer, QA Engineer, Web Developer, +1

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Hi, I’m Adriana Valentina Tarquino Cespedes, a systems engineer with hands-on experience across full-stack, mobile development, and software quality assurance. I enjoy collaborating in Agile teams to build robust web and mobile applications and I approach problems with a proactive mindset. I’m comfortable working remotely or on-site and I’m always eager to learn new technologies, improve test coverage, performance, and user experience.…Hi, I’m Adriana Valentina Tarquino Cespedes, a systems engineer with hands-on experience across full-stack, mobile development, and software quality assurance. I enjoy collaborating in Agile teams to build robust web and mobile applications and I approach problems with a proactive mindset. I’m comfortable working remotely or on-site and I’m always eager to learn new technologies, improve test coverage, performance, and user experience.

Available to hire

Hi, I’m Adriana Valentina Tarquino Cespedes, a systems engineer with hands-on experience across full-stack, mobile development, and software quality assurance. I enjoy collaborating in Agile teams to build robust web and mobile applications and I approach problems with a proactive mindset.

I’m comfortable working remotely or on-site and I’m always eager to learn new technologies, improve test coverage, performance, and user experience.

Skills

Experience Level

Expert

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Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

QA Engineer at DATEC

November 1, 2025 - March 1, 2026

Collaborated with backend developers within the full SDLC to identify, document, and track software defects; participated in code reviews, enforcing best practices in software quality, test coverage, and documentation within an Agile team. Designed and executed automated end-to-end test suites using Playwright and TypeScript, covering critical workflows across the product.

Mobile Developer at Andean UX

February 1, 2025 - August 1, 2025

Developed cross-platform mobile features using React Native and Firebase, delivering real-time data synchronization and performance-optimized UI components. Integrated backend APIs with mobile clients in a collaborative, cross-functional team environment.

Full Stack Developer at NUXWAY TECHNOLOGY

August 1, 2024 - December 1, 2024

Built and deployed RESTful APIs using AWS Lambda and TypeScript, supporting scalable serverless web applications. Optimized MySQL and PostgreSQL database schemas and queries, improving data retrieval performance. Managed AWS cloud infrastructure (Lambda, S3, DynamoDB, IAM) for deployment and storage of production systems. Developed React and Next.js front-end components with seamless backend integration and consistent UI/UX.