Hi there! I'm a Senior Full-Stack Engineer passionate about building scalable web and mobile applications and crafting enterprise-grade AI solutions. I specialize in Python and Node.js backends, Next.js and React frontends, and orchestrating serverless workflows on AWS and Azure. I love turning complex problems into reliable, production-ready systems and I thrive in cross-functional teams. Beyond coding, I’m eager about AI automation and have a track record deploying production-ready OpenAI pipelines and LangChain apps to streamline developer operations. I value clean architecture, collaborative problem-solving, and continuous learning, and I’m always exploring new ways to optimize performance, security, and user experience.

Sewwandi G

Hi there! I'm a Senior Full-Stack Engineer passionate about building scalable web and mobile applications and crafting enterprise-grade AI solutions. I specialize in Python and Node.js backends, Next.js and React frontends, and orchestrating serverless workflows on AWS and Azure. I love turning complex problems into reliable, production-ready systems and I thrive in cross-functional teams. Beyond coding, I’m eager about AI automation and have a track record deploying production-ready OpenAI pipelines and LangChain apps to streamline developer operations. I value clean architecture, collaborative problem-solving, and continuous learning, and I’m always exploring new ways to optimize performance, security, and user experience.

Available to hire

Hi there! I’m a Senior Full-Stack Engineer passionate about building scalable web and mobile applications and crafting enterprise-grade AI solutions. I specialize in Python and Node.js backends, Next.js and React frontends, and orchestrating serverless workflows on AWS and Azure. I love turning complex problems into reliable, production-ready systems and I thrive in cross-functional teams.

Beyond coding, I’m eager about AI automation and have a track record deploying production-ready OpenAI pipelines and LangChain apps to streamline developer operations. I value clean architecture, collaborative problem-solving, and continuous learning, and I’m always exploring new ways to optimize performance, security, and user experience.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent
Spanish; Castilian
Beginner
French
Advanced

Work Experience

Senior Software Engineer at Invenza Digital Technologies
January 1, 2025 - Present
Engineered and optimized high-performance backend infrastructures and cloud services, ensuring enterprise-grade reliability. Built scalable Node.js backends on AWS, managed relational SQL databases, and designed secure REST APIs for a cloud-integrated platform.
Software Engineer - Remote at Grubtech
January 1, 2023 - December 31, 2025
Monitored and maintained enterprise-grade serverless microservices deployed across AWS EC2 and AWS Lambda infrastructures. Set up CI/CD pipelines and contributed to AI-driven features for mobile and web platforms.
AI Developer - Remote at Gazru (Pvt) Ltd
January 1, 2023 - December 31, 2025
Specialized in utilizing OpenAI APIs, LangChain, and AI-driven features to enhance conversational capabilities. Built an AI-powered multi-language assistant leveraging Angular, Flask, OpenAI, and MongoDB; improved chatbot capabilities and performance.
Intern - Agile Task Lifecycle Management at Dubai Internship (Dubai, UAE)
January 1, 2023 - December 31, 2023
Proactive bug tracking, sprint participation, and agile task lifecycle management using Jira.

Education

BSc Computer Science at Eastern University, Sri Lanka
January 1, 2019 - January 1, 2023

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Computers & Electronics, Professional Services