How to Save some string data in Shared Preferences in Android?
Declare following 2 methods:
Class CacheManager {
public static void saveDataInCache(Activity activity, String key, String value) {
SharedPreferences settings =...
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Md. Najmul Hasan
Mentor
(583 reviews)
US$20.00
For every 15 mins
844
Sessions/Jobs
ABOUT ME
Senior Back-end Engineer |Spring Boot | Android| DS, Algorithm
Senior Back-end Engineer |Spring Boot | Android| DS, Algorithm
Hello there!
I am a Senior Back-end Engineer. I have 8+ years of experience.
I develop using Spring Boot mainly.
Right now I am working as a Mentor at Codementor and did 840+ five star jobs / sessions.
I can also help in guiding assignments on topics like:
- Spring Boot
- Android
- C
- C++
- Java
- Python
- Ruby
- Data Structures
- Algorithms
- Sql (Mysql, PostgreSQL)
- Design Patterns
- Clean Coding
- Refactoring
- Bug fixing etc.
You can connect with me with your problems. I am working here full-time.
Thanks for reaching.
Sincerely
Najmul
Bengali, English
Dhaka (+06:00)
Joined August 2020
EXPERTISE
5 years experience | 10 endorsements
I have developed 2 professional projects for my startup. Please go to onssoftware.com for details. Both of these projects have a Spring B...
I have developed 2 professional projects for my startup. Please go to onssoftware.com for details. Both of these projects have a Spring Boot backend and an Android app as Frontend.
3 years experience | 3 endorsements
10 years experience | 10 endorsements
10 years experience | 55 endorsements
5 years experience | 18 endorsements
1 year experience | 10 endorsements
1 year experience | 18 endorsements
REVIEWS FROM CLIENTS
(583 reviews)
jummy
April 2023
Md. was very helpful and figured out the code errors I was having. He also told me the correct way to fix it. The best.
Jason Dudley
April 2023
Helped me a lot with assembly!
jummy
April 2023
Great mentor and assistance.
Ahmed Alsherey
March 2023
This man helped me a lot!
He is an expert in coding and he can understand you without over explanation and finish the work quickly.
jummy
March 2023
Very knowledgeable and helpful. Will come back again!
Don Botchway
January 2023
Excellent work. Thanks .
Mark
December 2022
Najmul Hasan is an amazing mentor who was able to quickly make a solution of my issue and made sure that I was satisfied with the final product. I reccomed Najmul for your C++ coding needs. Thank you!
Edward Wu
December 2022
Najmul Hasan is professional and friendly, definitely recommended!
jass
December 2022
Great explanation very helpful!
Edward Wu
November 2022
Very friendly and professional, finished the job very fast. Definitely Recommended!
SOCIAL PRESENCE
EMPLOYMENTS
Mentor
Codementor
2020-10-01-Present
1. Completed 715 sessions / jobs with full 5 star rating.
2. Helped in Spring Boot, Android and may other tech skills.
3. Helped pers...
1. Completed 715 sessions / jobs with full 5 star rating.
2. Helped in Spring Boot, Android and may other tech skills.
3. Helped persons in debugging and code review.
Python
Android
Java
View more
Python
Android
Java
C++
MySQL
PostgreSQL
Spring Security
RabbitMQ
Docker
Spring Boot
View more
Founder
ONS Software Inc
2019-03-01-2022-01-01
1. Developed a matrimonial app named "Biye Shadi"
2. An online coaching/studying platform "BCS Battle"
3. Both of these projects have...
1. Developed a matrimonial app named "Biye Shadi"
2. An online coaching/studying platform "BCS Battle"
3. Both of these projects have a Spring Boot backend and an Android app as Frontend.
Android
Java
MongoDB
View more
Android
Java
MongoDB
JUnit
RabbitMQ
Docker
Spring Boot
View more
Senior Software Engineer
QI Analysis Inc
2014-03-01-2019-03-01
1. I have done iOS development for 4+ years. Developed an app "QI CRM" and published it to the
App Store.
2. Contributed to our Java RE...
1. I have done iOS development for 4+ years. Developed an app "QI CRM" and published it to the
App Store.
2. Contributed to our Java REST API project in Dropwizard.
3. Also reduced our cloud cost by 50% using Docker and Terraform.
Java
Docker
DigitalOcean
View more
Java
Docker
DigitalOcean
Swift
Dropwizard
Terraform
iOS
View more
PROJECTS
Biye Shadi
70+
2019
This is a matrimony app. Here users can find their soulmates. Currently it has 200+ user.
This is a matrimony app. Here users can find their soulmates. Currently it has 200+ user.
Android
MongoDB
Amazon S3
View more
Android
MongoDB
Amazon S3
Cron
Spring Boot
Spring data mongodb
Querydsl
View more
BCS Battle
30+
2020
This is an online platform for education. Here users can study and give model tests. Here we take weekly exams nationally and give money ...
This is an online platform for education. Here users can study and give model tests. Here we take weekly exams nationally and give money award to top place holders! Current users: 100+
Android
MongoDB
Amazon S3
View more
Android
MongoDB
Amazon S3
Cron
Spring Boot
Spring data mongodb
Querydsl
View more