Kshitij Jain

IOS Engineer

Berlin, Berlin, Germany12 yrs 6 mos experience
Highly Stable

Key Highlights

  • 10+ years of experience in high-performance Android development.
  • Led impactful projects boosting user engagement and retention.
  • Expert in Kotlin and modern Android architecture patterns.
Stackforce AI infers this person is a Senior Android Engineer specializing in Fintech and Food-Tech mobile applications.

Contact

Skills

Core Skills

Android DevelopmentKotlinRxjavaSqlite

Other Skills

Agile MethodologiesAndroid SDKAndroid StudioCSSCascading Style Sheets (CSS)Clean ArchitectureCollateral Material DesignDagger 2DebuggingEclipseEnglishGitGithubGoogle AdsHTML

About

Senior Android Engineer | Kotlin | Jetpack Compose | High-Performance Mobile Apps I’m a Senior Android Engineer with 10+ years of experience designing, developing, and optimizing high-performance, scalable Android applications used by millions worldwide. I’ve delivered impactful products across food-tech, mobility & super-app ecosystems, fintech/payments, and media & publishing, consistently improving user experience, retention, and business KPIs. I specialize in modern Android development using Kotlin, Jetpack Compose, Coroutines, RxJava, Dagger Hilt, Retrofit, and Room, applying Clean Architecture, MVVM, and MVI to build maintainable, testable, and reusable codebases. My work often focuses on offline-first solutions, performance tuning, and low-latency user experiences — even on low-end devices and unstable networks. Core Competencies & Keywords for Recruiter Search: - Android SDK, Jetpack Libraries, Compose UI, Material Design - Kotlin, Coroutines, Flow, RxJava, Dagger Hilt, Retrofit, Room, SQLite - MVVM, MVI, MVP, Clean Architecture, Dependency Injection - Performance optimization, ANR prevention, memory management, offline caching - Unit Testing, Espresso, JUnit, Mockito, Robolectric - Agile/Scrum, pair programming, code reviews, mentoring Selected Highlights: - Rebuilt HelloFresh’s referral module into a native Jetpack Compose experience — boosting referral completions and creating one of the company’s most profitable growth channels without marketing spend. - Led creation of Gojek’s Asphalt Design Library — adopted across 100% of app verticals, cutting UI dev time and unifying design for millions of users. - Optimized Jetpack Compose rendering performance at HelloFresh from 6% to 46%, improving load times and smoothness on mid-to-low-tier devices. What sets me apart is my ability to combine deep technical expertise with product thinking — ensuring that complex architectures translate into smooth, reliable, and impactful mobile experiences. Whether leading architecture overhauls, mentoring engineers, or improving app performance, I aim for solutions that are scalable, maintainable, and user-focused.

Experience

12 yrs 6 mos
Total Experience
2 yrs 4 mos
Average Tenure
7 mos
Current Experience

Redcare pharmacy

Senior Android Engineer

Nov 2025Present · 7 mos · Berlin, Germany · On-site

Hellofresh

Senior Android Engineer

Mar 2022Oct 2025 · 3 yrs 7 mos · Berlin, Germany · On-site

  • Virality Team – Focus on Referral System & Performance Optimization
  • Rebuilt the Referral Module: Led the migration of the RAF (Refer-a-Friend) screen from a brittle WebView to a fully native Jetpack Compose implementation — improving load times, enhancing UI responsiveness, and enabling deeper integration with Android features like share intents and deep linking.
  • Delivered High-Impact Features: Designed and implemented multiple referral-related components (e.g., dynamic reward logic, invite cards, credit achievement panels, history views) with pixel-perfect UI and full unit/UI test coverage.
  • Optimized Jetpack Compose Performance: Initiated and executed a rendering performance improvement project — increasing efficiency from 6% to 46%, resulting in smoother animations and better responsiveness on mid-to-low-tier devices.
  • Ensured Code Quality & Maintainability: Applied Clean Architecture and MVI patterns, performed rigorous code reviews, and maintained comprehensive documentation to reduce technical debt and improve scalability.
  • Collaborated Cross-Functionally: Partnered with product managers, UX designers, and backend engineers to refine requirements, align on design decisions, and ensure seamless delivery of features across markets.
Android DevelopmentKotlinJetpack ComposeRxJavaKotlin Coroutines

Gojek tech

2 roles

Lead, Money Management Pod – GoPay (Gojek Group)

Promoted

Apr 2021Feb 2022 · 10 mos

  • Led Android Development for GoPay’s Money Management Pod — overseeing feature delivery, technical direction, and team performance for high-traffic financial management workflows.
  • Mentored and Guided Engineers through code reviews, pair programming, and architectural discussions, raising overall code quality and fostering a collaborative, learning-focused culture.
  • Designed and Delivered New Financial Features that improved user engagement, streamlined money management, and maintained high levels of security and reliability.
  • Optimized Performance for Critical Flows — identified and resolved transaction-related bottlenecks to ensure smooth, low-latency payment experiences, even under high load.
  • Drove Cross-Functional Alignment with product managers, designers, and backend teams to ensure cohesive delivery, meeting business objectives while maintaining technical excellence.
  • Applied Agile Practices — facilitated sprint planning, reviews, and retrospectives to keep the team aligned, productive, and responsive to changing priorities.
Android DevelopmentKotlinModel-view-viewmodel (MVVM)Team LeadershipMobile Payments

Product Engineer - Android

Aug 2018Apr 2021 · 2 yrs 8 mos

  • GoPay – Fintech Features for Millions of Users:
  • Delivered secure, high-performance Android payment flows, ensuring smooth and reliable transactions at scale.
  • Implemented optimizations to reduce latency and improve stability in critical financial operations.
  • Worked closely with backend and security teams to ensure compliance with industry standards and maintain user trust.
  • Asphalt – Gojek’s Internal Design System:
  • Built a Centralized UI Component Library — reusable, scalable, and theme-able components that eliminated layout duplication across multiple verticals (Food, Transport, Payments, etc.).
  • Bridged the Gap Between Design & Engineering — collaborated directly with UX designers to prototype, refine, and implement pixel-perfect, accessible components.
  • Drove adoption of the library through workshops, integration guides, and developer onboarding sessions — eventually achieving 100% adoption across all verticals, saving weeks of development time per feature.
Android DevelopmentKotlinRxJavaUI/UX DevelopmentModel-view-viewmodel (MVVM)

News corp

Mobile Application Developer

Jul 2017Aug 2018 · 1 yr 1 mo · Bengaluru Area, India

  • Built The Sun Android App from the Ground Up — delivering a stable, robust, and scalable news application for the UK’s largest news provider, serving millions of readers.
  • Applied MVP + Clean Architecture to achieve a highly modular, maintainable, and testable codebase with clear separation of concerns.
  • Implemented a Modern Android Stack — Retrofit for networking, Dagger 2 for dependency injection, RxJava for reactive flows, and Mockito for effective testing — optimizing both performance and developer productivity.
  • Established a Comprehensive Testing Strategy — unit, integration, and Espresso UI tests — ensuring high reliability and preventing regressions before release.
  • Worked in Agile Scrum — actively participated in sprint planning, reviews, and stand-ups, fostering close collaboration between developers, QA, designers, and product managers.
Android DevelopmentRxJavaDagger 2Model-View-Presenter (MVP)Modular Development

Appcore labs

2 roles

Associate Android Developer

Dec 2015May 2017 · 1 yr 5 mos

  • Built and Delivered Multiple Android Applications with a strong focus on performance, stability, and user experience across different device types and Android versions.
  • Collaborated with Design Teams to translate UI/UX concepts into intuitive, visually polished interfaces that adhered to Android best practices.
  • Integrated RESTful APIs with robust error handling and efficient data management using SQLite for offline capabilities.
  • Worked Closely with Clients to gather requirements, propose innovative solutions, and ensure alignment between technical delivery and business goals.
  • Applied UI/UX best practices and leveraged core Android components (Activities, Fragments, Services) to create maintainable and scalable codebases.
Android DevelopmentSQLiteRESTful APIsUI/UX Design PrinciplesAndroid SDK

Search Engine Optimization Analyst

Nov 2014Dec 2015 · 1 yr 1 mo

  • Improved Online Visibility for multiple client websites through targeted on-page and off-page SEO strategies, boosting organic search rankings and increasing traffic.
  • Planned and Executed Social Media Campaigns across Facebook, Twitter, and LinkedIn, driving measurable engagement growth.
  • Optimized Social Media Profiles & Content (SMO) for better reach and interaction.
  • Managed Online Reputation (ORM) by addressing negative feedback and promoting positive client reviews.
  • Ran & Optimized Google AdWords Campaigns with improved keyword targeting and higher ROI.
  • Conducted SEO training and workshops across India, sharing best practices and strategies with marketing teams.
Search Engine Optimization (SEO)Social Media Marketing (SMM)Social Media Optimization (SMO)Online Reputation Management (ORM)Google Ads

Webbila inc

Search Engine Optimization Analyst

Jul 2013Oct 2014 · 1 yr 3 mos · Mohali, India

  • Executed On-Page & Off-Page SEO Strategies to improve client website rankings, driving higher organic traffic and visibility.
  • Maintained & Optimized Websites through regular updates, troubleshooting, and performance monitoring to ensure smooth functionality.
  • Delivered End-to-End WordPress Solutions including installation, theme setup, plugin integration, and configuration tailored to client needs.
  • Managed Website Backups & Data Migrations between hosting platforms, ensuring secure transfers with minimal downtime.
  • Provided Direct Technical Support for WordPress-related issues, optimizing performance and resolving technical bottlenecks.
  • Conducted SEO Training & Workshops across India, helping teams adopt effective strategies to improve search performance.
Search Engine Optimization (SEO)WordPress Development & OptimizationWebsite Maintenance & TroubleshootingWebsite Backup & MigrationSEO Training & Knowledge Sharing

Education

Punjab Technical University

Bachelor’s Degree — Computer Science

Jan 2009Jan 2013

Shishu Niketan Sr. Sec. School

Intermediate — Non Medical

Jan 2007Jan 2009

Stackforce found 100+ more professionals with Android Development & Kotlin

Explore similar profiles based on matching skills and experience