Jasen Lee Full stack Developer

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Senior Software Engineer

cppalliance

Feb 2026 - Current (7 months)

OpenClaw based AI assistance System Development CI-CD QA testing integration with Discord, Slack, Cursor Agent, Mattermost, Newsletter, Reddit, Telegram bot integration. Profile specific Prompt Engineering

Full stack ML engineer

Ultralytics

Dec 2025 - Apr 2026 (5 months)

Defined problem statement, target users (volunteers, SAR coordinators, annotation team, AI engineers, SAR advisors), and detection scope aligned to real SAR workflows: - People and human remains - Belongings (backpacks, tents, sleeping bags) - Tracks (footprints, vehicle tracks) - Shelters (tarps, makeshift covers) - Small items (phones, shoes, hats, clothing scraps, jewelry) - SOS signals, wreckage, and vehicles

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Full stack Engineer

esbconnect Ltd, marketing & data services

Aug 2024 - Feb 2026 (1 year 7 months)

• Architected cloud-native AI pipelines using AWS Lambda, S3, and API Gateway to support scalable inference and data flow. • Build the JS library wrapper aligned with GTM and MS Clarity

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Software Engineer

Evolvist

Nov 2022 - Sep 2023 (11 months)

Built an AI-assisted social post workflow to help users generate, rewrite, and adapt content for different channels (tone, length, and audience), with a focus on reliable output quality instead of “random” generations. Fine-tuned and evaluated open-source LLMs for social copy tasks (LLaMA2 / Hugging Face), including dataset prep, prompt templates, basic safety filters, and human-in-the-loop review to improve consistency. Designed the RAG + orchestration architecture using LangChain, GPT-style models, and a vector database (Pinecone) so the system could reuse brand/context guidance and keep answers more on-topic. Implemented quality checks for marketing content (repeat detection, banned words/claims, and simple tone rules) and created li

Full Stack Engineer

SkyStem

Nov 2021 - Mar 2023 (1 year 5 months)

Redesigned and managed 11 sub-branches of the company github Contributed to CI/CD pipeline automation, and single-handedly carried out all DevOps responsibilities for the team.

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Full Stack Developer

Fyfy

Nov 2021 - May 2022 (7 months)

Led the design and execution of technical projects. Delivered the partner showcase portal (Wordpress plugin) for presentation towards investors in italy. •Saved over 100 hours of the developer's time by optimizing the project deployment pipeline from 35+ minutes to under five minutes. • •Build mobile wallet app(hybrid IOS and Android) for Solana, SPL token based payment EcoSystem using Flutter Contributed to CI/CD pipeline automation, and single handedly carried out all DevOps responsibilities for the team. •PHP, Wordpress Plugin development, Flutter, Github, CI/CD pipeline, Nest JS , Websocket, UI Development, Responsive UI

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Full-stack Web DeveloperAMAZD

Dec 2020 - Oct 2021 (11 months)

Planned and executed the migration from Heroku to Google Cloud for the company's back-end infrastructure, including APIs, databases, caching, workflows, etc. Saved lots of money for the client and improved the scalability of systems. •Implemented notifications for AMAZD's widget that appears on their client's online stores. It boosted the

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Software Engineer

Sparrow Charts

Aug 2019 - Oct 2020 (1 year 3 months)

Used machine learning to help clients understand the demographics of their Twitter followers. Created a microservice to estimate users' age from their Twitter profile using machine learning models. •Designed and implemented a Node.js microservice that helps clients in task management and a goals dashboard to track monthly progress. •Implemented multiple features in their Angular-based customer-facing application, including UI components, supporting query parameters to restore app state, pagination, and caching. •MEAN Stack, Firebase, Google Cloud Platform (GCP), WebSockets, Relational Database Services (RDS), Socket.IO, Architecture, Performance, Event-driven Architecture, REST APIs, CI/CD Pipelines, Docker, Stripe API integration

Junior Full Stack Developer

SweatWorks

Jul 2018 - Mar 2019 (9 months)

Reviewed code, debugged problems and corrected issues under mentor supervision. •collaborated with 3 engineering and design teams to develop web pages and backend as per client's request •Gathered and defined customer requirements to develop clear specifications for project plans. •MERN Stack

Jasen Lee

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Jasen Lee