SDE-2 at DarioHealthDelhi, India

Vivek Panchal — Senior Android EngineerBuilding Android apps that scale to millions of users.

Google Certified Android Developer with 8+ years architecting production Kotlin apps — healthcare at DarioHealth, fintech at Trustt, ed-tech at StudyIQ, plus agri-tech and on-device ML.

Explore my workGet in touch
Years shipping Android
8+
Users reached
2M+
App crashes at Trustt
−75%
Industries
5

01 / Experience

8+ years, six teams, five industries.

From on-device ML to banking-grade stability — healthcare, fintech, ed-tech, agri-tech and AI/ML.

  1. DarioHealthCurrent

    Healthcare / Wellness · Bangalore, India

    • SDE-2 — AndroidNov 2024 – Present

    Android engineer on a digital health platform serving the US market.

    Impact & architecture
    • Led the app-wide rebrand from Twill to Dario Mind — UI, branding assets and user flows aligned to the new design system.
    • Delivered performance enhancements and full WCAG accessibility compliance for the US market.
    • Kotlin
    • Android SDK
    • MVVM
    • WCAG

  2. Trustt(formerly Novopay)

    Fintech / Banking · Bangalore, India

    • SDE-2 — AndroidJun 2022 – Oct 2024

    Owned stability, architecture and delivery for a banking app.

    • −75% app crashes
    • −70% bugs
    • −80% network latency
    Impact & architecture
    • Optimised the crash-reporting system and data management, cutting app crashes by 75%.
    • Led a complete MVC → MVVM migration, reducing bugs by 70% and improving maintainability.
    • Introduced API call optimisations and caching, reducing network latency by 80%.
    • Established CI/CD pipelines, increasing deployment frequency and automating test workflows.
    • Kotlin
    • MVVM
    • Coroutines & Flow
    • Caching
    • CI/CD

  3. Cypress(Mobsquad)Freelance

    Contract · multiple client projects · Remote · Yerevan, Armenia

    • Sr. Android DeveloperJan 2022 – May 2022

    Contract Android engineering for international clients.

    Impact & architecture
    • Built and deployed mobile apps end to end across multiple client projects.
    • Applied MVVM, Dagger Hilt and Room with advanced threading and app-performance optimisation.
    • Built advanced UI following Material Design guidelines.
    • Kotlin
    • MVVM
    • Hilt
    • Room
    • Material Design

  4. StudyIQ

    EdTech · millions of students · Delhi, India

    • Senior Android DeveloperJul 2020 – Feb 2022

    Re-architected the StudyIQ app used by millions of students.

    • −30% development time
    Impact & architecture
    • Revamped the StudyIQ app architecture with Kotlin, MVVM and Jetpack, reducing development time by 30%.
    • Led the PocketNews migration from MVC to MVVM with Dagger Hilt for better performance and maintainability.
    • Implemented secure data-management protocols to protect user data.
    • Owned unit and UI testing for release quality.
    • Kotlin
    • MVVM
    • Jetpack
    • Hilt
    • ExoPlayer

  5. Broad Stroke Group

    Agri-Tech · New Delhi, India

    • Android DeveloperAug 2019 – Apr 2020

    Turned an agri-tech app around on retention and data visualisation.

    • +80% user retention
    Impact & architecture
    • Improved user retention by 80% through targeted bug fixes, UI/UX improvements and security hardening.
    • Built advanced graph and map features for data visualisation.
    • Partnered with product managers on estimation and delivery timelines.
    • Java
    • Maps
    • Data visualisation

  6. Stackfusion(Parkzap Labs)

    AI/ML · IoT · Gurugram, India

    • Android DeveloperJul 2018 – Aug 2019

    On-device computer vision and IoT products.

    • +95% OCR accuracy
    Impact & architecture
    • Integrated TensorFlow Lite and OpenCV for licence-plate detection, increasing OCR accuracy by 95%.
    • Contributed to IoT products including RFID sensors and automated printers.
    • Mentored junior developers and drove cross-functional work on Android networking.
    • TensorFlow Lite
    • OpenCV
    • IoT
    • Java

02 / Open source

Things I've built in the open.

Side projects where I try out architectures, libraries and APIs before they reach production.

Filter projects by category
View all repositories on GitHub

03 / Skills

What I Do

Technologies and tools I work with

Languages

  • Java
  • Kotlin
  • Python
  • JavaScript
  • SQL

Android

  • Android SDK
  • Jetpack Compose
  • Jetpack
  • Room DB
  • ViewModel
  • Navigation Components
  • WorkManager
  • TensorFlow Lite

Libraries & DI

  • Dagger Hilt
  • Dagger2
  • Coroutines & Flow
  • RxJava
  • Retrofit
  • OkHttp
  • Glide
  • OpenCV

Tools & Platforms

  • Git
  • GitHub
  • CI/CD
  • Gradle
  • Firebase
  • Google Cloud
  • IBM Watson
  • JIRA

Architecture

  • MVVM
  • MVI
  • Clean Architecture
  • Repository Pattern
  • Multi-threading
  • SOLID Principles

Testing

  • Unit Testing
  • UI Testing
  • JUnit
  • Espresso
  • Mockito

04 / Certifications

Certifications

Achievements and credentials

Google2020

Google Certified Android Developer

Google’s Associate Android Developer certification, earned through a hands-on coding exam.

Udemy2023

Jetpack Compose Crash Course

Building declarative Android UI with Jetpack Compose.

Udacity2018

Android Developer Nanodegree

Completed the Android Developer Nanodegree covering advanced Android development topics.

IBM / Coursera2017

IBM Watson Developer

Certified in building AI-powered applications using IBM Watson services including Watson Conversation, Speech-to-Text, and Text-to-Speech.

View credential: IBM Watson Developer

05 / Blog

From the Blog

Writing about Android, architecture, and developer journeys

View All Posts

06 / Education

Education

Academic background

B.Tech — Computer Science & Engineering

Maharshi Dayanand University (MDU)

2013 – 2017 Rohtak, Haryana

Bachelor of Technology in Computer Science & Engineering. Focused on algorithms, data structures, OS, DBMS, and computer networks. Final year project: AI-powered chatbot using IBM Watson.

Senior Secondary (XII) — Science

Delhi Public School

2013 New Delhi

Completed senior secondary education with Physics, Chemistry, Mathematics and Computer Science.

07 / Contact

Get In Touch

Open to opportunities and collaborations

Let's work together!

I'm currently open to new opportunities. Whether you have a project in mind, a role you think I'd be a great fit for, or just want to say hello — my inbox is always open.

Say HelloDownload resume(PDF)