Publication
Django, Flask, and Redis Tutorial: Web Application Session Management Between Python Frameworks
https://www.toptal.com/developers/django/django-flask-and-redis-sharing-user-sessions-between-frameworks
Denis is currently unavailable
Denis Kyorov
Verified Expert in Engineering
Software Developer
London, United Kingdom
Toptal member since February 4, 2014
Bio
Denis is an experienced Python/Go developer (7+ years) who has contributed to a wide range of challenging projects involving distributed systems, back-end RESTful programming, microservice architectures, data pipelines design, and event-driven architectures. He's generally involved in everything back-end related.
Portfolio
Datapipe Europe, Ltd.
Amazon Web Services (AWS), Docker, Python, Terraform, Kubernetes, Go
Gluru, Ltd. (United Kingdom)
Microservices, Kubernetes, CQRS, Event Sourcing, Domain-driven Design (DDD), Go...
DigitalFirstVentures (via Toptal)
Linux, Ansible, Python
Experience
- Python - 15 years
- Test-driven Development (TDD) - 15 years
- Kubernetes - 10 years
- Go - 8 years
- Agile Software Development - 7 years
- CQRS - 7 years
- Event Sourcing - 7 years
- gRPC - 3 years
Preferred Environment
MacOS
The most amazing...
...project I've been involved in is "func," a remote management tool for server automation which I worked on during my participation in Google Summer of Code.
Work Experience
Platform Engineer
2017 - 2018
Datapipe Europe, Ltd.
- Designed/maintained/implemented easy-to-use APIs (managing k8s clusters, databases, network file systems) for the rest of the teams based on GRPC and REST.
- Designed and created APIs to run Terraform modules which were responsible for all of the infrastructure management that other teams were relying on.
- Designed and implemented CI/CD pipelines (unit, integration, smoke) for infrastructure APIs, so full testing can be done before other teams use them.
- Designed and implemented event-driven architecture which was powering the infrastructure APIs which helped having a more reactive and loosely coupled system.
- Worked on a tool which helped other teams install their helm charts as part of their CI/CD pipeline.
Technologies: Amazon Web Services (AWS), Docker, Python, Terraform, Kubernetes, Go
Python/Go Core Back-end Engineer
2014 - 2017
Gluru, Ltd. (United Kingdom)
- Created event-driven architecture with DDD principles and event sourcing in place.
- Helped build a distributed data pipeline With RabbitMQ, Kinesis, and microservices.
- Helped the company to switch to microservice architecture from monolithic in a gradual way and still supporting the production environment.
- Helped implement the data collectors which were at the core of the business and were supplying the data for the distributed pipeline.
Technologies: Microservices, Kubernetes, CQRS, Event Sourcing, Domain-driven Design (DDD), Go, Python
Full-Stack Django Developer
2014 - 2014
DigitalFirstVentures (via Toptal)
- Created an auto scraping system with ScraPy that was collecting data from various sites periodically.
- Created various background tasks that were responsible for heavy tasks with Celery.
- Created a Django REST API for representing the collected data on ElasticSearch.
- Wrote a component that was responsible for collecting and caching geo data for various addresses.
- Created simple to use deployment scripts with Ansible.
Technologies: Linux, Ansible, Python
Back-End Python Web Developer
2013 - 2013
MobSafety
- Worked on platform back-end, which primarily consisted of REST services, for Learnpal, a mobile learning platform for students. Its main purpose is to help schools manage, secure, and utilize mobile devices effectively in the classroom.
- Created a content publishing service for students in which teachers could suggest content from different sources. Involved retrieving data from iTunes, Google Play, and other sources in order to publish them in a unified data format for front-end development.
- Contributed to a service that prevented students from visiting inappropriate sites.
- Worked as the Python team lead in the final stages of the project.
Technologies: REST, Flask, Python
Back-end Python Web Developer
2012 - 2013
Blue Chocolate, Inc.
- Developed and maintained back-end REST API for the application front-end for Getsendtask, a web app for sending tasks between users. The idea was to integrate email clients with task lists so as to simplify the sharing and sending of tasks.
- Created several modules for batch processing with Celery.
- Developed an integration module which allowed users to send tasks to their Google contacts.
- Deployed and released the product back-end.
Back-End Python Developer
2011 - 2012
Shooju
- Created parsers to gather data from a variety of sources and formats (XLS, CSV, remote APIs), as well as convert said data into pre-defined, easy to process formats, for Shooju, a platform for data retrieval.
- Created a multi-processing worker framework for managing data retrieval which scaled according to a client's needs.
- Developed a modified version of the IPython notebook application which allowed users to create data parsers easily within their web browser.
- Worked on a Flask REST API (backed by CouchDB) to manage worker processes which were collecting data from different sources.
Technologies: Flask, ZeroMQ, Python
Embedded Linux Developr, Java Back-end Developer
2010 - 2011
Skynet A.Ş
- Developed C modules (mainly extensions of the Net-SNMP protocol) for an embedded switch project which was running on Linux OS.
- Worked on an embedded ARM project in which I developed a module that allowed a board to update itself when a newer firmware version was available.
- Worked as a Java developer in a remote data reading project which involved reading and organizing data from remote metering devices.
- Created a multi-threaded data processing framework in Java that was able to read many remote metering devices simultaneously.
- Created parser modules for remote metering devices and store the output data in a unified format.
Technologies: Linux, POSIX
Back-End Java Developer
2009 - 2010
Netmera A.Ş
- The company's main product was a social networking web app which was based on Google's OpenSocial framework (now known as Apache Shindig).
- Worked with the Spring MVC framework to handle front-end requests.
- Deployed and managed the company's Linux servers.
- Worked on the Shindig source code to extend their gadget templating engine.
- Created OpenSocial-compatible gadgets.
Technologies: JavaScript, Linux, MySQL
Experience
Event Sourcing Kit (Eskit)
https://github.com/makkalot/eskitEskit is a collection of microservices built on top of Event Sourcing Idea. It can be useful for people who want to try out event sourcing.
Enlivepy – Python HTML Transformation Librarry
https://github.com/makkalot/enlivepyThis is a Python port of Clojure's Enlive library for HTML transformation that I've released recently.
Open-source Projects
https://github.com/makkalotIn my spare time, I love working on open-source projects.
Education
2003 - 2008
Bachelor's Degree in Computer Science
Yildiz Technical University - Istanbul, Turkey
Skills
Libraries/APIs
ZeroMQ, POSIX
Tools
Terraform, Ansible
Languages
Go, Python, JavaScript
Frameworks
gRPC, Flask
Paradigms
Event Sourcing, CQRS, Test-driven Development (TDD), DevOps, Agile Software Development, Concurrent Programming, REST, Microservices
Platforms
Amazon Web Services (AWS), Linux, Google Cloud Platform (GCP), MacOS, Kubernetes, Docker
Storage
MySQL
Other
Edge AI, Domain-driven Design (DDD)
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