Karthikeyan D S

About me

I'm a developer who turns code into creations 💻, a believer who finds inspiration in every challenge 😃, and a dreamer who envisions the possibilities of tomorrow 💭.

I am a seasoned Lead Software Engineer with of experience specializing in Android and iOS development. Passionate about turning complex problems into elegant, user-friendly solutions, I excel in leading cross-functional teams and delivering high-performance, scalable applications.

My expertise spans optimizing app performance, implementing CI/CD pipelines, and advocating clean coding practices. I have a proven track record of collaborating with major companies to create impactful software and enhancing user experiences through innovative technology. Committed to continuous improvement and mentoring, I thrive on transforming ideas into intuitive, high-quality products.I'm a developer who turns code into creations 💻, a believer who finds inspiration in every challenge 😃, and a dreamer who envisions the possibilities of tomorrow 💭.

What i'm doing

Android Development

The most modern and high-quality apps made at a professional level.
ios

iOS development

High-quality development of iOS Application at the professional level.
Hybrid App Development

Professional expertise in Kotlin Multiplatform, Flutter, Jetpack Compose, and Ionic.

Testimonials

I’ve had the pleasure of working with Karthikeyan on Android development projects, and he consistently deliver high-quality work. His problem-solving skills, technical expertise, and willingness to collaborate make him a valuable team member. I highly recommend Karthikeyan for any Android development role.
I have had the pleasure of working with Karthikeyan for 2 years at BGSW. Throughout this time, he has consistently demonstrated exceptional skills in HMI mobile apllication. Karthikeyan is known for his outstanding work ethic, innovative problem-solving abilities, and dedication to achieving high-quality results. He also excels in team collaboration and communication, often going above and beyond to support colleagues and drive projects forward. Karthikeyan would be a tremendous asset to any organization.
Karthikeyan has shown great enthusiasm and dedication to learning. He quickly pick up new technologies and have made steady progress in improving their coding skills. His attention to detail and willingness to ask questions contribute positively to the team.

worked at

Resume

Experience

Lead Software Engineer Android
Bosch Global Software Technologies, Coimbatore, Tamilnadu Oct 2021 – Present Role: Android Developer.
- Led and directed a 15-member team in end-to-end development of multiple products, including system requirements identification, partner dependency management, software implementation, engineering, and testing.
- Implemented memory-efficient libraries for HMI device panels, reducing memory consumption by 30% and optimizing the APK size by 20% for enhanced user experience.
- Automated the build and release process for the app development life-cycle using Continuous Integration and Deployment (CI/CD) pipelines, eliminating 100% time required for releasing builds manually.
Product Engineer
Scriplogix Analytics India Pvt Ltd, Chennai, Tamilnadu May 2019 – Oct 2021 Role: Hybrid, Native Android & iOS Developer.
- Developed a healthcare application enabling users to search and filter for nearby doctors and hospitals.
- Streamlined and optimized 50+ business logic test cases using Cucumber and Espresso frameworks, resulting in a 40% reduction in unit testing time and 30% improvement in integration testing efficiency.
- Developed and executed incident management strategy, reducing mean time to resolution (MTTR) by 30% and achieving a 95% customer satisfaction rate.
- Mentored and onboarded 8 new team members, providing comprehensive training and support to accelerate their integration into the team; facilitated knowledge sharing sessions to boost team performance and collaboration.
- Enhanced compatibility by adding support for multiple device types and screen sizes, creating responsive user
Member Technical Staff
iKosmik Software Pvt Ltd, Chennai, Tamilnadu June 2017 – Jan 2019 Role: Native Android & iOS Developer.
- Implemented the repository design pattern and MVVM architecture, utilizing Data Binding, View Models, Live Data, Coroutines, and Retrofit APIs extensively to handle multi-threading.
- Reduced local storage space consumption to 50% by converting nearly 10k+ images to lower resolution files.
- Designed and Launched 4 Android applications and 1 iOS application for a billion-dollar company, overseeing end-to-end delivery and also directly engaged with clients to gather requirements and ensure their satisfaction.
Intern Web Developer
Domain2Host, Chennai, Tamilnadu Feb 2017 – Apr 2017 Role: Web Developer.
- Worked as an intern and developed basic website's using HTML, CSS & JavaScript.

Education

BE Computer Science, Dr. Mahalingam College of Engineering & Technology.
June 2013- Apr 2017
Successfully completed BE Computer Science at Dr. Mahalingam College of Engineering & Technology from 2013 to 2017 with an impressive 7.1 CGPA.
Palani Gounder Hr. Sec. School, Tamilnadu.
June 2012- May 2013
Attained a 71% at Palani Gounder Hr. Sec. School, Tamilnadu, during the academic year 2012-2013.

My skills

Android
100%
Kotlin
80%
Java
90%
Android SDK
80%
iOS
65%
Swift
55%
Jetpack Compose
50%

Projects

Lead Software Engineer Android
Bosch Global Software Technologies, Coimbatore, Tamilnadu Oct 2021 – Present

#Project: Jenn Air Wall Oven

Description: Whether you’re a keen baker or prefer a sleeker look in your home, a high-end wall oven can transform your kitchen and use space efficiently. If you’re considering adding one to your kitchen, we’re here to help you discover the different types, features, makes and models available to you. Types include single wall ovens, double wall ovens, electric wall ovens, steam ovens, and even ovens paired with a convection microwave. Popular pairings for built-in wall ovens include warming drawers and high end wall oven-microwave combos, like luxury microwave drawers.
Website
Product Engineer
Scriplogix Analytics India Pvt Ltd, Chennai, Tamilnadu May 2019 – Oct 2021
- #Project: MoBe (Motivational Behavior)
  Description: MoBe is a product which is own by CareCentra(Scriplogix). Various clients like HSHS, Banner, Baylor Scott & White Health and Intermountain are currently using this product who are all leading health care systems with millions of US patients' data. We got all patients clinical data via secured FTP or AWS S3, after got the data perform cleaning / ETL process will load the valid data in database after mask some identical column based on hippa compliances. Based on the patient’s data, we provide Mobile App (MyMoBeMap) for patients with their App login with various features like wearable data tracker, nudging patients to take their pills and fitness program and also provided platform to Care Navigators to monitor patient’s clinical records and wearable details. All data cleaning and ETL process are done in python and visualization done using SQL queries in Power BI and Monthly and weekly roster reports / memo are done using python and excel tool. Production releases are done via AWS S3. Website
  - 1. Android
  - 2. iOS
- #Project: Tele-Consultant
  Description: Application which is Connected to their base Hospitals and their specified Domain Doctor’s and Nurse’s for advice's. By the way of connecting both the End’s our Application Connected and Available for a Chat based on the Available Timings of the Doctor’s and Nurses based on Server Database. And also, a group chat option also available for Patient, Nurse and Doctor’s to share the information’s among them.
Member Technical Staff
iKosmik Software Pvt Ltd, Chennai, Tamilnadu June 2017 – Jan 2019
- #Project: Toilet Karma
  Description: Toilets are a real tough challenge to keep clean, especially in big offices with multiple toilets / restrooms / washrooms in your office, various floors in shopping malls, university buildings and also public toilets! Here is an App to give the power to the user to report any toilet / restroom / washroom issues.
  App Link: 1. Android
  
  Confidential Apps
- #Project: Visitor Management
  Description: Collect Visitor details with the help of the App and inform particular employee about the visitor through the Message and reply back to the visitor's whether the employee available or busy to meet. And if available generates a badge within the app and print's the badge with the available nearby Wi-Fi connected printers.
- #Project: Food Survey Tracker
  Description: For a larger enterprise and Organizations canteen they provide their employees free food's. So, they need to collect the food quality which is provided daily at their canteen's randomly at different locations in their buildings.
- #Project: Vendor Management
  Description: In Big Companies and enterprises internal and external employees were available to do a job. so, we track the daily wages and their companies which they come from and also provide a one-day Employee valid badge with Barcode consist of employee details which is generated with in the Application.
- #Project: Inventory Management
  Description: A Stationery Management Application for an organization to distribute and track the stationeries to their employees whenever they requesting the items through the same app which is developed for both admin and employees.
- #Project: Interview Manager
  Description: Collecting interview Candidate details through the Barcode Scanner with in the app and make entry to the Cloud Database and notify the HR Team and the Team Lead and generate the Badge which is valid for the certain period of time and print the Badge with the help of nearby connected Wi-Fi printers.
- #Project: Smart Shop
  Description: A Shopping application with identifying products using image processing with Firebase as backend. And allow users to add the Item’s in their cart and purchase or remove the item’s in the cart. 1. Android