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I’m Sunil Dennis, a full stack software engineer with 7 years of professional experience building production-grade web applications and REST APIs. I work across Python and Django (including Django REST Framework) and React with TypeScript, delivering database-driven features, authentication, dashboards, and integrated third-party workflows using clean, maintainable engineering practices. I enjoy taking projects from requirements to design, development, testing, deployment, and production support, collaborating with teams and communicating directly with stakeholders. Alongside standard web development work, I’ve also built AI-powered applications using Google AI Studio and prompt engineering, and I’m comfortable debugging live systems, improving performance, and strengthening reliability through thoughtful architecture and CI/CD practices.…I’m Sunil Dennis, a full stack software engineer with 7 years of professional experience building production-grade web applications and REST APIs. I work across Python and Django (including Django REST Framework) and React with TypeScript, delivering database-driven features, authentication, dashboards, and integrated third-party workflows using clean, maintainable engineering practices. I enjoy taking projects from requirements to design, development, testing, deployment, and production support, collaborating with teams and communicating directly with stakeholders. Alongside standard web development work, I’ve also built AI-powered applications using Google AI Studio and prompt engineering, and I’m comfortable debugging live systems, improving performance, and strengthening reliability through thoughtful architecture and CI/CD practices.

Sunil Dennis

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

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I’m Sunil Dennis, a full stack software engineer with 7 years of professional experience building production-grade web applications and REST APIs. I work across Python and Django (including Django REST Framework) and React with TypeScript, delivering database-driven features, authentication, dashboards, and integrated third-party workflows using clean, maintainable engineering practices. I enjoy taking projects from requirements to design, development, testing, deployment, and production support, collaborating with teams and communicating directly with stakeholders. Alongside standard web development work, I’ve also built AI-powered applications using Google AI Studio and prompt engineering, and I’m comfortable debugging live systems, improving performance, and strengthening reliability through thoughtful architecture and CI/CD practices.…I’m Sunil Dennis, a full stack software engineer with 7 years of professional experience building production-grade web applications and REST APIs. I work across Python and Django (including Django REST Framework) and React with TypeScript, delivering database-driven features, authentication, dashboards, and integrated third-party workflows using clean, maintainable engineering practices. I enjoy taking projects from requirements to design, development, testing, deployment, and production support, collaborating with teams and communicating directly with stakeholders. Alongside standard web development work, I’ve also built AI-powered applications using Google AI Studio and prompt engineering, and I’m comfortable debugging live systems, improving performance, and strengthening reliability through thoughtful architecture and CI/CD practices.

Available to hire

I’m Sunil Dennis, a full stack software engineer with 7 years of professional experience building production-grade web applications and REST APIs. I work across Python and Django (including Django REST Framework) and React with TypeScript, delivering database-driven features, authentication, dashboards, and integrated third-party workflows using clean, maintainable engineering practices.

I enjoy taking projects from requirements to design, development, testing, deployment, and production support, collaborating with teams and communicating directly with stakeholders. Alongside standard web development work, I’ve also built AI-powered applications using Google AI Studio and prompt engineering, and I’m comfortable debugging live systems, improving performance, and strengthening reliability through thoughtful architecture and CI/CD practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Full Stack Developer at MMloqz (MM Låsesmed Group)

March 1, 2021 - November 1, 2025

Developed and maintained 10+ production web applications end-to-end, spanning requirements, design, development, testing, deployment, and production support. Built REST APIs using Python, Django, and Django REST Framework for authentication and business workflows (users, products, orders, payments, dashboards). Architected a production visual website builder and e-commerce CMS with Django REST Framework, React 18, and TypeScript, including drag-and-drop layout editing and API-driven front/back synchronization. Designed database-driven systems using PostgreSQL/MySQL/SQLite, including data models, SQL queries, and validation. Implemented third-party API integrations for logistics and payments, debugged production issues, and improved reliability, maintainability, and performance. Managed deployments on Linux/Ubuntu with Nginx and Gunicorn, and used AWS S3 for storage. Collaborated in a 7-developer team with code reviews and issue tracking, leveraging GitHub Actions for CI.

Freelance Software Developer

July 1, 2018 - February 1, 2021

Delivered end-to-end web applications using Python and Django, handling requirements, development, testing, deployment, and maintenance. Developed REST APIs and database-driven systems based on client needs, and worked directly with clients to clarify requirements and propose practical solutions. Debugged application and API integration issues during development and production support. Also built selected mobile applications using React Native and managed client delivery independently.

Freelance Software Developer at Freelance

July 1, 2018 - February 1, 2021

Delivered end-to-end web applications using Python and Django, handling requirements, development, testing, deployment, and maintenance. Developed REST APIs and database-driven applications aligned with client needs. Worked directly with clients to clarify requirements and implement practical technical solutions, including debugging application and API integration issues during development and production support. Also built selected mobile applications using React Native and managed client delivery independently.

Founder & Technical Developer at Tech Cookie Community

December 1, 2017 - May 1, 2025

Founded and independently developed a technology platform focused on Python, software development, cybersecurity, and emerging technologies. Built and maintained thetechcookie.com, handling development, troubleshooting, and continuous technical improvements. Created practical resources and demos covering Python, web development, APIs, cybersecurity, and AI technologies. Built and experimented with AI-powered applications using Google AI Studio and prompt engineering, and produced technical content reaching a 19K+ YouTube subscriber audience. Managed projects end-to-end from requirements through development, testing, and delivery.