I am a senior software engineer specializing in scalable web architecture, modern AI integration, and high-performance digital products. My core expertise includes React, TypeScript, Next.js, secure RAG-based LLM systems, cloud services, and modular application architecture. I have worked across financial services, construction technology, nonprofit, and enterprise environments, building banking platforms, content-driven websites, mobile applications, and developer tools. I enjoy translating complex requirements into reliable, accessible, and polished user experiences while collaborating closely with stakeholders and technical teams.

Andrew Pungprakearti

I am a senior software engineer specializing in scalable web architecture, modern AI integration, and high-performance digital products. My core expertise includes React, TypeScript, Next.js, secure RAG-based LLM systems, cloud services, and modular application architecture. I have worked across financial services, construction technology, nonprofit, and enterprise environments, building banking platforms, content-driven websites, mobile applications, and developer tools. I enjoy translating complex requirements into reliable, accessible, and polished user experiences while collaborating closely with stakeholders and technical teams.

Available to hire

I am a senior software engineer specializing in scalable web architecture, modern AI integration, and high-performance digital products. My core expertise includes React, TypeScript, Next.js, secure RAG-based LLM systems, cloud services, and modular application architecture.

I have worked across financial services, construction technology, nonprofit, and enterprise environments, building banking platforms, content-driven websites, mobile applications, and developer tools. I enjoy translating complex requirements into reliable, accessible, and polished user experiences while collaborating closely with stakeholders and technical teams.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Senior Software Engineer, AI at Mitey
January 1, 2026 - March 1, 2026
Built a local Claude-like AI code assistant that scans codebases, creates semantic embeddings, and provides a web interface for chatting with code using a local LLM stack. Architected a hybrid retrieval-augmented generation pipeline combining HNSWLib vector search and exact keyword matching, merged with Reciprocal Rank Fusion. Implemented a persistent local vector index for fast semantic queries, integrated LangChain and the Vercel AI SDK for context-aware chat, and added .gitignore-aware scanning. Prototyped local LLM capabilities using qwen2.5-coder:7b as a private alternative to cloud-based code assistants.
Senior Software Engineer at Jenius Bank
March 1, 2023 - March 1, 2026
Acted as the subject matter expert for a digital banking platform, contributing to the development of a modular application architecture in React and managing application security and performance.
Senior Software Engineer at Freelance
January 1, 2023 - Present
Contracted to implement specialized financial features within an existing cross-platform application. Currently architecting and integrating a secure IAP workflow using React Native and managing the technical roadmap for web projects.
Software Engineer at Rhumbix
October 1, 2021 - December 1, 2022
Lead developer tasked with rebuilding the external website using NextJS, increasing performance and generating leads through various integrations.
Senior Software Engineer at Freelance
January 1, 2021 - Present
Contracted to implement specialized financial features within an existing cross-platform mobile application. Responsible for designing a custom monorepo framework and managing technical roadmaps for clients.
Software Engineer at Aleph Incorporated
February 1, 2019 - October 1, 2021
Created responsive websites for high-profile clients utilizing various tech stacks, developed protected endpoints, and implemented TypeScript and E2E tests.

Education

Bachelor of Arts (BA) at Academy of Art University
January 1, 2003 - January 1, 2007
Bachelor of Arts (BA) at Academy of Art University
January 1, 2003 - January 1, 2007
Bachelor of Arts (BA) in Visual Effects at Academy of Art University
January 11, 2030 - January 1, 2007
Bachelor of Arts in Visual Effects at Academy of Art University
January 11, 2030 - January 1, 2007
Bachelor of Arts in Visual Effects at Academy of Art University
January 11, 2030 - January 1, 2007
Bachelor of Arts in Visual Effects at Academy of Art University
January 11, 2030 - January 1, 2007
Bachelor of Arts in Visual Effects at Academy of Art University
January 11, 2030 - January 1, 2007
Bachelor of Arts in Visual Effects at Academy of Art University
January 11, 2030 - January 1, 2007
Bachelor of Arts in Visual Effects at Academy of Art University
January 1, 2007 - December 31, 2007

Qualifications

Professional Certificate in Full Stack Software Engineering
January 1, 2019 - June 5, 2026
Professional Certificate in Full Stack Software Engineering
January 1, 2019 - June 5, 2026
Professional Certificate in Full Stack Software Engineering
January 1, 2019 - August 20, 2026
Professional Certificate in Full Stack Software Engineering
January 1, 2019 - August 20, 2026
Professional Certificate in Full Stack Software Engineering
January 1, 2019 - August 21, 2026
Professional Certificate in Full Stack Software Engineering
January 1, 2019 - August 21, 2026
Professional Certificate in Full Stack Software Engineering
January 1, 2019 - August 21, 2026
Professional Certificate in Full Stack Software Engineering
January 1, 2019 - August 21, 2026
Professional Certificate in Full Stack Software Engineering
January 1, 2019 - August 21, 2026

Industry Experience

Financial Services, Software & Internet, Non-Profit Organization, Media & Entertainment, Real Estate & Construction, Professional Services, Computers & Electronics