Selected work

All Projects

Products and systems that show how I approach product engineering, frontend architecture, AI-enabled workflows, and production delivery.

Product Engineer

Public source

Job Application Assistant

Self-hosted system for focused job search through company career pages, syncing supported ATS vacancies, explainable matching against confirmed candidate facts, and controlled AI.

Next.jsReactAnt DesignNestJSExpressNode.jsPostgreSQLPrismaTypeScriptZod

Connected Greenhouse, Lever, and Ashby as supported ATS vacancy sources.
Used background sync with deduplication and provenance for collected vacancies.
Applied deterministic matching first, then operator-controlled AI for review support.
Presented explanations, blockers, and status history for matching decisions.

Shows end-to-end product ownership across job-search workflows, reliable data handling, and a controlled AI boundary.

Source Code ↗

Product Engineer

Live product

Social Surface

Review-first product for discovering relevant public X conversations and drafting contextual replies.

Next.jsTypeScriptSupabaseOpenAI APIX API

Turns an offer into search intents, query packs, and a focused candidate inbox.
Uses deterministic collection and relevance filtering before AI-assisted drafting.
Keeps reply review and engagement decisions with the user.

Shows a practical AI-assisted workflow with explicit human control and clear technical boundaries.

Read case study Live Product

Product Engineer / React Native Engineer

Public source

Park Fit

Cross-platform app for organising and joining free outdoor workouts across iOS, Android, and Web.

React NativeExpoTypeScriptSupabasePostgreSQLReact QueryExpo NotificationsNativeWind

Supports member and trainer roles with protected access and RLS-backed data rules.
Provides workout discovery, capacity-aware booking, and session details for attendees.
Covers trainer session management and attendee coordination.
Includes notifications, localization, and native fallbacks across supported platforms.

Shows cross-platform product delivery across protected roles, booking flows, and practical mobile UX.

Source Code ↗Google Play ↗

Product Engineer

Private source

Social Media Assistant

A fitness trainer's Instagram blog content workflow for turning reviewed health and fitness sources into controlled posts.

TypeScriptNode.jsTelegrafSupabaseOpenAIRSSPubMedInstagram Graph API

Collects candidate material from trusted RSS sources and PubMed for an editorial review pipeline.
Runs deterministic eligibility and quality gates before AI source selection, generation, and quality review.
Uses Telegram preview and control for feedback and manual delivery, alongside seamless Instagram autopost.

Shows a source-grounded editorial workflow that combines AI assistance, creator control, and seamless Instagram autopost.

Read case study

Product Engineer

Public source

Workout Diary

Mobile-first, self-hosted PWA personal training diary for progress tracking and practical day-to-day use.

Next.jsReactTypeScriptPWAPostgreSQLDrizzleTanStack QueryIndexedDBservice worker

Speeds logging with prefilled values from prior sets.
Keeps append-only history with records and progress comparisons.
Supports offline drafts and an outbox for later sync.
Uses a PIN for focused personal access on a small self-hosted stack.

Shows a mobile-first PWA designed around quick logging, offline resilience, and dependable training history.

Source Code ↗Live App ↗

Frontend Engineer

Public source

MultiWallet

Frontend architecture case for wallet connection, async data loading, and transaction UX.

Next.jsTypeScriptTanStack QueryAnt Designwagmiviem

Built the project around feature-based frontend architecture.
Separated wallet state, async network data, UI state, and transaction flow logic.
Implemented supported-chain guards, balance loading, and transfer UX.
Used the project to demonstrate frontend structure rather than category positioning.

Shows how I structure frontend code, separate concerns, and handle async product flows.

Source Code ↗

Frontend Engineer

Released app

Book Eater

Released mobile app for line-by-line reading and focused reading practice.

ReactTypeScriptGoogle Play

Built and released a mobile app around focused line-by-line reading.
Designed the reading flow to reduce distraction and support repeat usage.
Focused on simple navigation, readable presentation, and practical personal workflows.

Shows ability to turn a personal product idea into a released mobile app.

Google Play ↗