FintechEmbedded AndroidNFC
Android POS Banking & Kehroba Contactless System
Independent full-featured banking transaction app for smart POS terminals.
KotlinISO 8583NFCAIDL+4
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Available for senior roles
Salar Taheri
Senior Android & Embedded POS Engineer
10+ years building mission-critical Android solutions — from biometric eKYC SDKs powering 2.5M+ users to low-level POS hardware & fintech infrastructure.
10+
Years
2.5M+
Users
5+
POS Platforms
99.8%
Crash-Free
By The Numbers
Real-World Impact
A decade of engineering across fintech, biometrics, and embedded hardware.
0+
Years Experience
Building production Android at enterprise scale
0.0M+
Users Impacted
eKYC biometric verifications powered
0+
POS Hardware Platforms
Pax, Amp, Bixolon & more
0.0%
Crash-Free Rate
Across fragmented Android POS vendors
Technical Expertise
Tech Stack
A deep, battle-tested toolkit built across 10+ years of production engineering.
Android & Mobile Core
KotlinJavaDart / FlutterJetpack ComposeAndroid SDKView System & CanvasAIDLNavigation ComponentMaterial Design 3CameraX
Fintech & Embedded POS
ISO 8583JPOSShaparak Kehroba (NFC)Java Card (Applets)APDU ProtocolPax A920Pro SDKAmp8000 SDKESC/POS Thermal PrintersBluetooth SerialSmart Card ReadersPIN-pad Integration
Networking & Protocols
Ktor ClientRetrofitOkHttpWebSocketsTCP SocketsREST APIsProtobufCoroutines & FlowRxJava
Architecture & Patterns
Clean ArchitectureDomain-Driven DesignMVVMMVIMulti-Module GradleHilt / KoinRoom DatabaseDataStore
Security, DevOps & Tools
ProGuard / R8Android KeystoreGitLinuxDockerCI/CDSentrySQL / SQLiteBash
Portfolio
Featured Projects
Production systems spanning fintech infrastructure, biometric SDKs, POS hardware, and web platforms.
SDK DevelopmentBiometricsHigh Scale
UID Biometric eKYC SDK
First-of-its-kind digital identity authentication pipeline in Iran.
★ 2.5M+ active users verified across National Stock Exchange (Sejam) & major banks.
KotlinCameraXWebSocketsREST+2
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FintechGov-TechLarge-Scale POS
Nanino Nationwide Smart Bakery POS Platform
Core client POS infrastructure for government flour subsidy distribution.
★ Active across thousands of bakeries nationally — hundreds of thousands of daily subsidy transactions.
JavaKotlinJPOSTCP Sockets+2
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Cross-PlatformEnterprisePOS
AmnPardaz Electronic Invoicing System
Cross-platform tax compliance tool for retail and corporate merchants.
FlutterDartBLoCREST API+2
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Mobile GameNative PerformanceCreative UI
Dolme Native Word Game
Lightweight Persian word puzzle game published on CafeBazaar.
KotlinJavaCustom Canvas ViewsProperty Animators+1
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IoTEmbedded HardwareField Operations
Tonekabon Municipal Taxi Ticketing System
Field inspection and instant thermal receipt printing suite.
Android SDKCanvas BitmapBluetooth APISerial API+1
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Web AppDevOpsOpen Source
LinuxNetwork.ir — Linux Network & Kernel Tuning Toolbox
Bilingual web toolbox for Linux network optimization, kernel tuning, and DevOps automation.
ReactTypeScriptTailwind CSSFramer Motion+2
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Live SiteWeb AppImage ProcessingSaaS API
Vira — Smart Document Image Processing Service
Intelligent web service for automated document photo standardization and optimization.
★ Serving organizations, universities & national exam systems.
ReactTypeScriptTailwind CSSCanvas API+2
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Live SiteCareer
Professional Journey
2016 to present — building at the intersection of mobile, fintech, and hardware.
- Architected offline-first Android POS app for supermarkets & restaurants using Room Persistence and multi-tier local caching for zero-latency product lookups.
- Engineered AmnPardaz: a Flutter-based tax invoicing system enabling merchants to submit digital invoices to the national tax authority via smart POS terminals.
- Designed queue management & ticketing workflows interfacing with weight scales, barcode scanners, and thermal printers via AIDL and serial protocols.
- Led architectural refactoring toward Domain-Driven Design (DDD) and modular packaging, sustaining a 99.8% crash-free rate across fragmented Android POS vendors.
Resume
Download My CV
Full details of my experience, education, and technical skills in PDF format.
Salar_Taheri_Resume.pdf
Senior Android & Embedded POS Engineer
Get In Touch
Let's Connect
Open to senior Android, fintech, and embedded engineering opportunities. Drop me a message — I typically reply within 24 hours.
Tehran, IranB.Sc. Software Engineering — University of GuilanAvailable for opportunities