boldijar — zsh
boldijar@macbook:~$ cat about_me.txt

# whoami
Boldijar Paul

Senior Android engineer (12+ years), iOS too. Kotlin, Jetpack Compose, Swift, SwiftUI.
I build SDKs and apps that make clients happy — server-driven UI, monetization,
paywalls, subscriptions. Client focus and shipping fast matter.

## professional experience

2021 → now  Reps (formerly BigSpring) — AI-powered platform for workforce performance through practice.
             Role: Own Android & iOS apps; lead architecture, CI, paywalls, KMP. Ship features,
             testing, releases. Took over Android, rebuilt from scratch; added iOS ownership.
             Kotlin, Compose, MVI, ViewBinding, Epoxy, GraphQL, Firebase, CircleCI, Swift, SwiftUI.

2021         Hoopmeetrics — Basketball stat tracker and score-keeping app.
             Role: End-to-end Android; validation logic, real-time court/actions, IAP &
             paywalls (Stripe), Play Store, stats SDK. Shipped solo.


2020–2021   Goldman Sachs — Banking app for a major US bank.
             Role: Android in large multi-module codebase. Code reviews, testing,
             server-driven UI for monetization. MVI, Epoxy, Conductor, Dagger2, RxJava. Remote.

2019–2020   CoachUp — Private and group sport coaching app from scratch on Android.
             Role: Full ownership: architecture, payments (Stripe), maps/places, S3,
             Play Store release. Kotlin, MVVM, Koin, Room, Retrofit. iOS as reference.

2018–2019   THENX & Heria Pro — Two fitness apps from scratch.
             Role: Build, ship, maintain both apps. Paywalls, subscriptions (Stripe),
             server-driven UI for creator revenue. Play Store. Solo dev.

2018         Toptal — Freelance after rigorous screening.
             Role: Remote work for diverse clients; SDKs, monetization, varied stacks.

2017         3 Screens Solutions — Android TV apps.
             Role: Multi-module Android TV; led work with Google (Google I/O 2018 invite).
             Leanback, Retrofit, monetization SDKs. Reliable releases.

2015–2017   Appsrise / P3 — Junior dev while at uni. Bundesliga app, READfy, PROtv.
             Role: Java/Kotlin, MVC, Realm, GCM. Play Store releases, subscriptions.
             Fast-paced, remote-friendly team.

2014–2015   3SStudio — First job (high school), hometown.
             Role: Java Android apps; shipped to Play Store with basic in-app features.
             Foundation for the rest.

## education

2015–2018   Bachelor in Computer Science — Babes-Bolyai University, Cluj-Napoca
2018–2021   Master in Science, Technology and Innovation in Public Governance —
             Babes-Bolyai University, Cluj-Napoca

## tech stack

Android (10+ yrs)   Kotlin, Java, GraphQL, REST, databinding, viewbinding, Epoxy,
                    Jetpack Compose, Firebase (analytics, datastore, remote config,
                    FCM), Segment, Kotlin Multiplatform, coroutines, Dagger, Koin,
                    unit tests, Retrofit/OkHttp, Room, MVC/MVVM/MVI, Stripe,
                    Google Maps, Facebook API, Camera API, deeplinking.

iOS (2+ yrs)        Swift, SwiftUI, UIKit, Autolayout, GraphQL, REST, FCM,
                    deeplinking. Keen on hybrid (Flutter) too.

Other               Jenkins, CircleCI, GitHub CI, Lokalise, Flagsmith, Flutter,
                    Python (backend for server-side monetization).

## technologies (related, used today)

Android              Hilt, Koin, Coil, Glide, WorkManager, DataStore, Paging 3,
                    Navigation Component, Baseline Profiles, Macrobenchmark,
                    Kotlin Multiplatform (KMP), Compose Multiplatform, Ktor client,
                    version catalogs, Gradle KTS.

iOS                  SwiftUI, Swift Concurrency (async/await), Combine,
                    StoreKit 2, RevenueCat, Xcode Cloud, TestFlight.

Cross-platform       Flutter, Kotlin Multiplatform, shared GraphQL/REST.

## things I brag about

· Built my own PDF reading library for iOS (pdfy) — dev-friendly SDK, server-driven
  UI, seamless integration for monetized apps.
· THENX & Heria Pro from scratch — love the fitness industry, subscription paywalls
  and features that helped clients grow revenue.
· @3SS: led Android TV work with the Google team, invited to Google I/O 2018.
· Worked across lots of domains; experience covers most kinds of apps, always
  high-quality, iterative, and empathy for clients and users.

## links

LinkedIn  linkedin.com/in/boldijar
inpostor  joc social — cine te mintește?

        
boldijar@macbook:~$
CV — Boldijar Paul
download cv
cuentito — learn spanish through stories or songs
open →
inpostor — joc social de petrecere, cine te mintește?
open →
legacy — old portfolio (~9 years ago)
started young, built stuff in high school — open →