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I’m a results-driven full-stack developer with 8+ years of experience building scalable cross-platform applications across mobile, frontend, and backend. I’ve shipped high-performance software for diverse domains and thrive in fast-paced environments where clarity, maintainability, and impact matter. I specialize in JavaScript, PHP, and Python, with hands-on work across React, Laravel, and modern tooling. I enjoy writing clean, efficient code, designing robust architectures, and collaborating with product and design teams to deliver business-focused solutions.…I’m a results-driven full-stack developer with 8+ years of experience building scalable cross-platform applications across mobile, frontend, and backend. I’ve shipped high-performance software for diverse domains and thrive in fast-paced environments where clarity, maintainability, and impact matter. I specialize in JavaScript, PHP, and Python, with hands-on work across React, Laravel, and modern tooling. I enjoy writing clean, efficient code, designing robust architectures, and collaborating with product and design teams to deliver business-focused solutions.

Denis Cesti

Full Stack Developer, Web Developer, Back-End Developer, +2

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I’m a results-driven full-stack developer with 8+ years of experience building scalable cross-platform applications across mobile, frontend, and backend. I’ve shipped high-performance software for diverse domains and thrive in fast-paced environments where clarity, maintainability, and impact matter. I specialize in JavaScript, PHP, and Python, with hands-on work across React, Laravel, and modern tooling. I enjoy writing clean, efficient code, designing robust architectures, and collaborating with product and design teams to deliver business-focused solutions.…I’m a results-driven full-stack developer with 8+ years of experience building scalable cross-platform applications across mobile, frontend, and backend. I’ve shipped high-performance software for diverse domains and thrive in fast-paced environments where clarity, maintainability, and impact matter. I specialize in JavaScript, PHP, and Python, with hands-on work across React, Laravel, and modern tooling. I enjoy writing clean, efficient code, designing robust architectures, and collaborating with product and design teams to deliver business-focused solutions.

Available to hire

I’m a results-driven full-stack developer with 8+ years of experience building scalable cross-platform applications across mobile, frontend, and backend. I’ve shipped high-performance software for diverse domains and thrive in fast-paced environments where clarity, maintainability, and impact matter.

I specialize in JavaScript, PHP, and Python, with hands-on work across React, Laravel, and modern tooling. I enjoy writing clean, efficient code, designing robust architectures, and collaborating with product and design teams to deliver business-focused solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Spanish; Castilian

Advanced

Work Experience

Full Stack Developer at Little Sane Village OÜ

February 1, 2023 - Present

Built modules for web and mobile applications using Laravel, React, and Livewire; implemented AWS account migrations and service configurations; maintained data integrity and improved performance and reliability across deployment scenarios.

AI Trainer at Alignerr

January 1, 2026 - Present

Reviewed and evaluated AI-generated code across complex real-world software engineering tasks; designed prompts, test cases, and evaluation scenarios that stress-test AI coding capabilities.

R&D Analyst at Homo Cosmicus Consultus S.A.C.

June 20, 2015 - December 20, 2017

Drove embedded system design and prototype development; firmware development (C, basic); migrated and integrated testing workflows for embedded platforms.

DevOps Engineer at Innova Scientific S.A.C.

May 20, 2022 - July 20, 2022

Designed and refined data labeling workflows for proprietary datasets used in LLM post-training; ensured data integrity and streamlined deployment scenarios.