Aleksander
From Portugal (GMT+1)
14 years of commercial experience
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projects done748
hours workedOpen
to new offersAleksander – Python, Django, Flask
Meet Aleksander - a Senior Back-End Web Developer with solid experience in Python. He is proficient in various Python implementations and has expertise in event-driven microservices, cloud engineering, and building data pipelines. His experience spans such domains as climate tech, cyber threat intelligence, CRM systems, and more. Apart from coding, Aleksander enjoys reading and playing the piano!
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Potentially possibleExperience Highlights
Lead developer
System that process climate data for buildings. From software point of view it has CDN, API and data processing pipeline. Pipeline is fault tolerant and scalable.
- Designed and impelemnted cloud architecture for data processin
- Designed and implemented initial REST API
- Implemented CI / CD system
- Documented the system
Senior software engineer
System that performs cyber threat intelligence (compromised IP addresses, files, credentials, URLs, etc). It aggregates data from different sources (logs, dark net, crawlers, leaked databases, etc) and performs complex search of company's assets among indicators of compromise.
- Implemented data piplines that automate cyber threat intelligence (usually a chain of services connected trough Kafka queue)
- Implemented REST API for interaction between services
- Implementing REST API for interaction between client side (browser) and backend services
- Documented system, clarified business requirements
Senior software engineer
System that orchestrace an EC2 machines, on each machine there exists an agent that runs a pipeline, aggregates results and sends them to server.
- Designed and implementated of data pipelines
- Refactored legacy code
Senior software engineer
Service that runs a pipeline of ML algorithms on a video stream from doorbels and security cameras.
- Implemented service that runs ML pipeline on video frames
- Clarified requirements, designed architecture, documentated system
Senior software engineer
One of the commercial platforms for e-procurement systems. Web site where businesses may create a supplier for government procurements. All commercial platforms are independent and implement different sets of features, they synchronize data with the central database of government procurements.
- Splitted monolith into microservices
- Designed and implemented couple of microservices
- Designed and implemented client-side library (react, styled-components)
- Implemented complex search page (using new component library)
- Documented the system
- Lead a small team
Senior software engineer
Customer relationship management (CRM) system for one of the largest marketplaces in Ukraine.
- Designed and implemented complex business logic for CRM
- Refactored of legacy code
- Fixed bugs
- Documentated the system
Senior software engineer
Status service that periodically polls APIs and reports incidents.
- Designed and implemented status page
Software engineer
Core library for small-sized games (implemented in Java, could be compiled to Android, iOS and JavaScript).
- Implementated rendering-related and sound-related components of library
- Fixed bugs
- Documentated the library
- Mentored junior developers