Daejeong Kim

Tech Lead · Backend Engineer | Full-time, early member

• Proposed Thready and led product design, development, launch, and operation, working with planning, QA, and marketing teammates to build a paid AI content service for creators expanding to Threads.
• Built the backend, AI generation and evaluation systems, and core user and admin workflows. Used human-rated examples to guide generation and recorded LLM evaluation history for review.
• Moved generation to background processing after observing users prepare content in advance. Built an agent prototype exposing existing APIs through MCP and began customer A/B testing of conversational workflows.
• Separated AI execution into its own service and database, retaining product records in the main backend. Used a transactional outbox, retries, and version checks to protect newer state from duplicate or out-of-order delivery.
• Implemented scheduled drafts, approval notifications, and transactional approval commands. Designed recovery to distinguish pre-call failures from unknown external outcomes and resume the existing publishing attempt.
• Led planning, design, and development of a medical knowledge base used in internal consultations. Connected terminology curated by clinic operations teams to help correct medical terms in speech-to-text and translation.
• Led inventory and ordering backends, Redis-based SSO session redesign, and multi-clinic reservation APIs and policies. Co-led the real-time AI consultation backend and implemented operational integrations.
• Owned operations of the company’s Azure infrastructure, managed with Terraform. Consolidated service instances, contributing to an approximately 30–40% reduction in monthly server costs.
• Built a standard FastAPI template to help planning, QA, and design teammates implement features with coding agents. Led product planning, issue tracking, and releases, and helped design AI-assisted company workflows.

Backend Engineer | Freelance, pre-incorporation engagement

• Built the initial dermatology CRM backend and established repository structure, development environments, documentation, and issue and pull-request conventions before MediSolve AI’s incorporation. Joined MediSolve AI full-time in April 2025.

Backend Engineer | Intern, then full-time; company later closed

• Led the manual-capture prepayment integration and added cancellation/refund handling for failed reservations. Moved loyalty-point restoration and pass removal to refund completion.
• Added immediate and scheduled message/email delivery to an existing multilingual follow-up survey flow, with cancellation, rescheduling, and delivery history.

Vision AI Engineer / Product Manager / Backend Engineer | Full-time

• Vision AI Engineer (Dec 2021 - Sep 2022): Contributed to apparel-image analysis model development for SellerCanvas.
• Product Manager (Oct 2022 - Sep 2023): Led SellerCanvas from prototype to v1.0, defining product workflows, feature scope, and release priorities.
• Translated business requirements into technical specifications for enterprise fashion-brand PoCs, coordinating scope, schedules, and technical validation.
• Redesigned the product-page creation workflow, defined product-data criteria with fashion specialists, and designed the page-layout algorithm, contributing as a co-inventor of METHOD FOR DISPLAYING PAGE.
• Backend Engineer (Oct 2023 - Jan 2024): Transitioned into backend development.

Vision AI Engineer | Intern

• Helped establish the student startup Izsol and developed Kidsly, a facial-recognition attendance system. Acquired training data through a national program and trained YOLO models.

Backend & Infrastructure Lead | Team side project

• Led Spring Boot backend development and AWS deployment and monitoring. Used Java, Spring, and Spring Boot across three side projects.

Radio Communications Operator | Discharged as Sergeant

• Set up, operated, and maintained military radio communications infrastructure. Assigned wartime duties included antenna installation and communications-node operation to establish and sustain military communications networks.
• Completed full-term military service.

Game Multimedia major | Graduated