Graphic designers
Website designers
Mobile app developers
Software developers
3D artists
Illustration
Other popular skills
Working with international freelancers
Where to find the best developers
Do you need a local freelancer?
Building an international team
Featured jobs
Explore our current list of excited top featured projects.
Find contests
Unleash your talent and find freelancer contests to enter.
Website jobs
Graphic design jobs
Data entry jobs
Mobile app development jobs
Internet marketing jobs
Local jobs
Other popular jobs
Find work in different languages
Enterprise
Power your competitive advantage with Freelancer Enterprise.
Field Services
Deliver expertise anywhere in the world at scale - on demand.
AI for business
Let experts in the latest AI technology transform your business.
Freelancer products
Innovation Challenges
Turn challenges into breakthroughs with the largest innovation hub.
Freelancer API
Use the Freelancer API to access a cloud workforce of skilled freelancers.
Local jobs
Get help in any location, anywhere in the world.
Freelancer services
How it works
How to hire the perfect freelancer for your project
Get ideas
How to get started earning money freelancing
Resources
EXPLORE
5.5
5.5
93%
$50 USD / Hour
・
China (8:45 AM)
・
Joined on September 19, 2009
$50 USD / Hour
・
We specialize on web and mobile software development, especially focusing on cloud-based enterprise mobile application development using Java, Python and web technologies. We're also good at data analytics/machine learning using Python data stack. Java Spring Boot Android Python Django MySQL/PostgreSQL/SQLite/NoSQL Python 2.7/3.5 Numpy/scipy/pandas/matplotlib/sk-learn/nltk/opencv/gensim/keras TensorFlow/DataFlow Hadoop/Spark/Kafka ETL(Data extraction, transformation, load) Web crawling/scraping: scrapy/rapidminer/selenium/phantomjs Data Visualization: d3/bokeh/plotly
Drakner D.
$110 USD
The project was well done, following all the functional requirements and constraints.
Share
pbq is an excellent professional who delivered a service above our expectations. He is expert in Java. We were very pleased. We recommend!
Share
Jason H.
$150 USD
Excellent work. Fast response and the software does exactly what was requested. Would hire again.
Share
Great to work with. Project delivered on time and with added extra for free. Will hire again.
Share
Certifications
UK English
US English
Verifications
On time
81%
On budget
98%
Accept rate
62%
Freelancer
About
Terms
Partners
Apps
