Open to Opportunities
Hi, I'm Sakhawat Hossain!

Senior Mobile Engineer

Leading-edge mobile application development with a focus on scalable architecture, CI/CD excellence, and high-impact user experiences.

Global Expertise

Let me introduce the Engineer

Sakhawat Hossain - Senior Android Engineer & Lead Mobile App Developer

Senior Mobile Engineer and Android Expert with 7 years of professional experience. Specializing in high-performance mobile architectures, I've scaled platforms to 1.2M+ daily users while maintaining a 99.99% crash-free rate.

7+
Years of experience
20+
Completed projects
99%
Crash-free users

Profile

  • Fullname: Sakhawat Hossain
  • Birth Date: July 1st, 1997
  • Current Position: Senior Software Engineer at Cefalo
  • Website: https://shakiz.github.io/
  • Email: shakil.py@gmail.com

Skills

  • 90%
    Android
  • 80%
    Java
  • 90%
    Kotlin
  • 85%
    Flutter
  • 85%
    Scrum
  • 85%
    Git
  • 80%
    Agile
  • 80%
    CI/CD
  • 90%
    Clean Architecture
Experience

Lead Mobile App Developer Credentials

Work Experience

Senior Software Engineer

October 2023 - Present

Cefalo

Worked with Before Pay App and CarEye Detect.

Key Responsibilities:

  • Engineered a transition roadmap from native codebases to Flutter, resulting in a 40% reduction in feature development time and 95% code reuse across iOS and Android platforms.
  • Authored technical RFCs comparing Flutter vs. KMP, leading to a strategic decision that optimized the shared business logics.
  • Developed high-performance Flutter-Native bridges (Method Channels) for legacy modules, while enabling incremental migration of existing native features.
  • Architected automated CI/CD pipelines that decreased build-to-deploy time by 50%.
  • Architected and Delivered car damage detection application CarEye Detect to utilize the review process for Wenn ASA.
  • Guided and prepared UI/UX processes for CarEye Detect mobile app.

Software Engineer - Level 2

Jan 2023 - October 2023

Software Engineer

April 2022 - December 2022

Brain Station 23

Took the leadership to develop Banglalink latest Telco features, revamped product journeys, content sections, bus ticketing and make them market ready with the expertise of my team.

Key Responsibilities:

  • Story grooming and planning with respective product owners.
  • Regular support of product UAT with more accuracy.
  • Loyalty Management System for Banglalink Users.
  • Recharge, Product Purchase and Cashback journeys.
  • Engage with the client and analyse business requirements along with the team.
  • Make a reliable solution with the team members and perform regular code revision and knowledge transfer.
  • Discuss sprint tasks and make a proper timeline with efficient deliverables.

Software Engineer

Feb 2021 - April 2022

Jr. Mobile Application Developer

June 2019 - Jan 2021

Save the Children in Bangladesh

I have worked on several national and international projects. Maintaining good communication with clients and satisfying the end-user was the main goal. Regularly participated in on-call rotation and resolved various incidents/issues. Recognized significant issues in those services, produced designs and executed the solution from end to end.

Key Responsibilities:

  • Successfully delivered three LMS and 1 MIS with several modules working alongside with the team. Modules like quiz, assessment, dashboard, quality benchmark etc.
  • Delivered a fully customisable quality benchmark module to perform survey on several questions and sync those data to server for future report.
  • Brainstorming with business analysts and content development team.
  • Directly developing solutions with the field user.
  • Participated frequent client meetings and field visits.

Jr. Android Developer

Oct 2018 - May 2021

ShadoWhite Animators Ltd.

I have worked on two modules on an ERP application. Modules are Sales Module and Collection Module.These modules were being used internally of a local Bangladeshi company named Magnum to collect their sales and cash collection flow.

Education

Masters in Applied Statistics and Data Science

April 2022 - May 2023

Jahangirnagar University

  • Major in mathematical foundation in the data science and statistics fields
  • Statistical Methods, Data Science with Python, Sampling Methodology, etc.
  • Covered big data, and data mining with python too.

BSc. in Software Engineering

Auguust 2015 - September 2019

Daffodil International University

I have completed all the basic to advanced courses of CS. Along with my friends developed and participated some project showcasing event.

Major achievements:

  • 2017 SWE Project ShowCase champion
  • Ranked 3rd in our batch.
Portfolio

Check Out Some of My Works

Explore my portfolio of high-impact Android and Flutter applications. From native systems architecture to cross-platform mobile solutions, these projects demonstrate my expertise as a Lead Mobile App Developer.

Global Solutions

Idea to Product

I help founders and businesses across the USA, Europe, and Asia-Pacific (Singapore, Malaysia, and Japan) transform their vision into market-ready digital products with minimum effort. From zero to MVP, I handle the technical complexity so you can focus on growth.

Rapid MVP Prototyping

Launch fast without compromising quality. I build lean, high-performance MVPs for Mobile and Web that are ready for real users and investor pitches.

Scalable Architecture

Leveraging experience from platforms with 1.2M+ users, I design systems that grow with you. Clean architecture, robust APIs, and cost-effective cloud scaling.

Future-Proof Tech

Native Android, Flutter, and Modern Web stacks. I choose the right tools for your specific market needs to ensure long-term maintainability.

Blog

Latest Thoughts

Technical journals and deep dives into Senior Android Engineering, Flutter internals, and the evolving ecosystem of mobile software architecture.

Contact

Get In Touch

In case of any queries you can send your queries with the below mentioned details!

Email Me At

shakil.py@gmail.com

Contact with me at Mobile/What's App At

Phone/Mobile: (+880) 1688499299