Hossein Seyedmehdi
Verified Expert in Engineering
Software Developer
Ottawa, ON, Canada
Toptal member since October 17, 2019
Hossein is a full-stack software developer with a focus on back-end services and machine learning. During his five years of industry experience, he has worked with teams of all sizes on a variety of customer-oriented projects including system design for wireless companies, fraud protection for a major eCommerce company, and scalable platforms for enterprises. He is great at problem solving and enjoys working on complex ones.
Portfolio
Experience
- Agile Software Development - 5 years
- Linux - 4 years
- Python 3 - 4 years
- Git - 3 years
- Flask - 3 years
- Docker - 3 years
- SQL - 2 years
- Kubernetes - 1 year
Availability
Preferred Environment
Visual Studio Code (VS Code), ITerm, GitHub, Git, Linux
The most amazing...
...thing I've done is to prove a mathematical bound for the spectral efficiency of wireless devices by modeling it as a discrete complex quadratic optimization.
Work Experience
Software Engineer
SurveyMonkey
- Built a microservice to record the activities of users so that the admin of an enterprise account can see usage chars and be able to search and filter based on user, time, or activity. (Python, SQLAlchemy).
- Created an API so that an account admin of an enterprise can provision a massive number of users by importing a comma-separated value file. User provisioning includes modifying existing users or inviting new users by email. (Python, MS SQL, Redis).
- Created a monitoring dashboard for all of our team's service using the NewRelic Query Language so that we can display the availability and response time of our service live on wall monitors.
Software Engineer
Shopify
- Developed code that would pre-fetch data and store it in an elastic search cluster so that they could be searched quickly.
- Revamped our data collection methodology by organizing workshops for all the stakeholders and driving the definition of new schemas. As a result, emitted data to the Kafka message bus were compliant with new schemas.
- Implemented a proprietary data collection solution that provides persistence, enabling offline training of our in-house ML algorithms.
System Engineer
Ericsson
- Collaborated with a team of wireless engineers and researchers spread in Canada and Sweden to design wireless access network algorithms for the 5th generation of LTE and further to optimize their performance which entailed consistently developing optimized algorithms in C++.
- Developed new features in the Ericsson’s in-house network simulator (Java). Designed and implemented the scheduler for inter- and intra-eNB carrier aggregation.
Experience
S&P 500 Live Price to Earning Ratio
Education
Ph.D. in Electrical and Computer Engineering
University of Toronto - Toronto, Ontario, Canada
Master of Engineering Degree in Electrical and Computer Engineering
National University of Singapore - Singapore
Certifications
Artificial Intelligence Nanodegree and Specializations
Udacity (https://confirm.udacity.com/VRTXSLLS)
Skills
Libraries/APIs
SQLAlchemy, React, D3.js, Scikit-learn, NumPy, Pandas
Tools
Git, ITerm, Google Kubernetes Engine (GKE), GitHub
Languages
Python 3, SQL, Python, C++, Java, HTML, CSS2
Frameworks
Flask, Pyramid, Ruby on Rails (RoR)
Paradigms
Agile Software Development
Platforms
Linux, Docker, Kubernetes, Visual Studio Code (VS Code)
Storage
Redis, Elasticsearch, Google Cloud, MySQL
Other
Random Forests, Deep Learning
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