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\pagenumbering{gobble}
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\pagenumbering{gobble}
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"Bulevar Oslobodjenja" 150/51, 11042 Belgrade, Serbia
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Bulevar Oslobodjenja 150, 11042 Belgrade, Republic of Serbia
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Tel : +381 62 1436099
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Tel : +381 62 1436099
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E-mail: vladanovic@gmail.com
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E-mail: vladanovic@gmail.com
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\
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## Profile
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## Profile
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Veteran software developer and systems engineer experienced in multiple fields
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Experienced software developer and systems engineer in multiple fields, with
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with a shy of 20 years professional experience. FOSS enthusiast, honorary
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around 20 years professional experience. FOSS enthusiast, honorary member of
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member of Macedonia's Free Software NGO and Belgrade's first hackerspace.
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Macedonia's Free Software NGO and Belgrade's first hackerspace. Designed and
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Designed and implemented distributed and monolith systems in the cloud, on-site
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implemented distributed and monolith systems in the cloud, on-site and in
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and in hybrid infrastructures. Keen on refactoring for the greater good. A long
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hybrid infrastructures. Keen on refactoring for the greater good. A long time
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time GNU/Linux user of many flavors, currently endeavoring to use Fedora
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GNU/Linux user of many flavors, currently endeavoring to use Fedora
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CoreOS, or any other [**OSTree based
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CoreOS, or any other [**OSTree based
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distro**](https://gitea.vp.mk/vladan/workstation-ostree-config) in a production
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distro**](https://forge.vp.mk/vladan/workstation-ostree-config) in a production
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environment. My
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environment. My
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[**Linked-In**](https://www.linkedin.com/in/vladan-popovic-957ab733),
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[**Linked-In**](https://www.linkedin.com/in/vladan-popovic-957ab733),
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[**GitHub**](https://github.com/vladan>) and [**my selfhosted Gitea
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[**GitHub**](https://github.com/vladan>) and [**my selfhosted forge
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server**](https://gitea.vp.mk/vladan) may provide more info if needed.
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server**](https://forge.vp.mk/vladan) may provide more info if needed.
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### Skills and toolset
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### Skills and toolset
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Python is the language and ecosystem I have the most experience with. I've done
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Python is the language and ecosystem I have the most experience with. I've done
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a lot of web apps in Django, Flask, FastAPI and make heavy use of SqlAlchemy.
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a lot of web apps in Django, Flask, FastAPI and made heavy use of SqlAlchemy.
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Nowadays I use AsyncIO for async programming, but used gevent a lot in the past
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Nowadays I use AsyncIO for most Python projects, used gevent before AsyncIO was
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as well. I'm obliged to say I've got to use most of uWSGI's features and love
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introduced. Deployed WSGI apps on uWSGI and love it for its robustness,
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it for its robustness, richness, large set of configuration options and
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richness, large set of configuration options and wonderful documentation.
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wonderful documentation.
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Huge fan of PostgreSQL with some NoSQL experience in Apache CouchDB. I have
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Huge fan of PostgreSQL with some NoSQL experience in Apache CouchDB. I have
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fair experience with Apache Kafka, RabbitMQ, MQTT, ZMQ, gRPC for message
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fair experience with Apache Kafka, RabbitMQ, MQTT, ZMQ, gRPC for message
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@ -41,79 +40,99 @@ sending it through the wire.
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Professionally I used to manage infrastructure on AWS, GCP, OpenStack and
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Professionally I used to manage infrastructure on AWS, GCP, OpenStack and
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employed Ansible on multiple projects. Docker was a thing I've used a lot in
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employed Ansible on multiple projects. Docker was a thing I've used a lot in
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the past, but switched to Podman due to its daemon-less, free nature (as in
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the past, but switched to Podman due to its daemon-less, free [as in
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freedom) and its Kubernetes compatibility.
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freedom] nature and its Kubernetes compatibility.
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### Hobbies and Languages
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### Hobbies
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I spend most of my free time writing Rust, from [**lock-free
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I spend most of my free time writing Rust, from [**lock-free
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queues**](https://github.com/filipdulic/bus-queue) to [**web applications in
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queues**](https://github.com/filipdulic/bus-queue) to [**web applications in
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WebAssembly**](https://git.vp.mk/ui) (must also mention that Elm provided me
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WebAssembly**](https://git.vp.mk/ui) (must also mention that Elm provided me
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with one of the greatest hobby-programming experiences ever). Recently I've
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with one of the greatest hobby-programming experiences ever). Recently I've
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been busy with an [**embedded application in Rust for tracking
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been busy with an [**embedded application in Rust for tracking
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e-bikes**](https://gitea.vp.mk/e-bike-tracker) on an esp32 with a sim module.
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e-bikes**](https://forge.vp.mk/e-bike-tracker) on an esp32 with a sim module.
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I'm an avid table tennis player, frequent hiker (~100k steps/week), pizza and
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I'm an avid table tennis player, frequent hiker (~100k steps/week), pizza and
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bread baker and an ordinary everyday cook. I also enjoy playing video games,
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bread baker and an ordinary everyday cook. I also enjoy playing video games,
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mostly football when in good company.
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mostly football when in good company.
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### Languages
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Macedonian is my native language. I speak English and Serbian fluently and have
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Macedonian is my native language. I speak English and Serbian fluently and have
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a fair German knowledge with a C2 degree in 2001.
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a fair German knowledge with a C2 degree in 2001.
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\
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\
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\
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## Work Experience
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## Work Experience
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#### Self Employed - Rust Developer / Embedded Software Engineer (current)
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#### Self Employed - Rust Developer / Embedded (current)
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\
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\
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Location Based Services for tracking electric bikes. The platform rests on an
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Location Based Services for tracking electric bikes. ESP32 Microcontroller
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ESP32 Microcontroller and is written the Rust. It also contains a SIM modem
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written in Rust that also contains a SIM modem (SIM800L + u-blox NEO-6M GPS
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(sim800l + an ublox neo6m GPS modem is the first implementation, the second is
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modem, or A7670E with embedded GPS module) that sends location information to a
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on A7670E with an embedded GPS module).
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broadcast server (also written in Rust) with a streaming architecture that
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receives locations from all devices (via MQTTS, or HTTPS) and streams those
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locations to designated parties (mobile apps) via websockets.
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#### [Aiven](https://aiven.io/) (2021-2022) - Site Reliability Engineer
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#### [Aiven](https://aiven.io/) (Mar 2021 - Feb 2022) - Site Reliability Engineer
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\
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\
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SRE in a dynamic multi-cloud setup consisting of tens of thousands of nodes,
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SRE in a dynamic multi-cloud setup consisting of close to 100.000 of nodes,
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offering managed Postgres, Kafka, Clickhouse, Mysql, Elastic/Opensearch, etc.
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offering managed Postgres, Kafka, Clickhouse, Mysql, Elastic/Opensearch,
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with platform management software written in Python.
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Cassandra, etc. The platform management software was written entirely in
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Python and hosted on AWS, GCP, Azure, OVH and other smaller cloud providers.
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#### Sigma Technology (2019-2021) - Senior Python/Platform Engineer
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#### Sigma Technology (Oct 2019 - Feb 2021) - Senior Python/Platform Engineer
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\
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\
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Consultant in Ericsson LabOps team in Linköping - Sweden. Worked on automating
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Consultant in Ericsson LabOps team in Linköping - Sweden. Worked on automating
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the infrastructure procurement for the R&D department in Ericssons own private
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the infrastructure procurement for the R&D department in Ericssons on-site
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cloud management solution running on-site. My responsibilities included
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private cloud. My responsibilities included implementing best practices,
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implementing best practices by setting up automation, reviewing most of the
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reviewing most of the code in Gerrit and maintaining a Jenkins CI/CD pipeline
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code in Gerrit and maintaining a Jenkins CI/CD pipeline (code-test-deploy
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(code-test-deploy). The most interesting part for me was to develop a Python
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automation).
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project generator based on Jinja2 that contained configuration for the whole
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pipeline, i.e. tests with Tox, wheels, Sphinx documentation, Docker images and
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publishing to Artifactory.
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#### Seavus - Senior Engineer (2018-2019)
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#### H4 - Senior software engineer (Nov 2018 - Oct 2019)
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\
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\
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Responsible for maintaining a big data pipeline for Sunrise, a Swiss
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Distributed application for managing and editing documents written in
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telecommunications provider. Based on the Hortonworks appliance (Ambari, Spark,
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TypeScript (NodeJS) and PostgreSQL using JSON-RPC for inter-node communication.
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Kafka, HDFS, Hive) with the code written purely in Scala.
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#### TradeCore - Python Lead (2017-2018)
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#### TradeCore - Python Lead (Jul 2017 - Nov 2018)
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\
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\
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Reduced the technical debt by refactoring, planning and discovering bottlenecks
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Reduced the technical debt by refactoring, planning and discovering bottlenecks
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and bad/redundant implementations. Improved the development flow, enforced a
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and bad/redundant implementations. Improved the development flow, enforced a
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stronger code review practice and python coding standards for the main product
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stronger code review practice and Python coding standards for the main product
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written in Django, which also utilized PostgreSQL, ElasticSearch, Celerry, etc.
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written in Django, which also utilized PostgreSQL, ElasticSearch, Celery, etc.
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Introduced a solid CI/CD infrastructure by automating the Selenium tests and
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Introduced a solid CI/CD infrastructure by automating the Selenium tests and
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frontend packaging for ~25 environments, GitLab Review Apps, etc.
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frontend packaging for ~25 environments, GitLab Review Apps, etc. Lead the team
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reworking the product to a microservice architecture and successfully moved
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large parts of the monolith to new services.
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#### Itekako - Software Engineer / Python Lead (2012-2013, 2014-2017)
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#### Itekako - Software Engineer / Python Lead (Jun 2012 - Sep 2013, Sep 2014 - Jun 2017)
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\
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\
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Designed a scalable cloud solution and built a complete platform for home
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Designed and built a scalable platform in the cloud for home security cameras
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security cameras with Python, JSON-RPC with TinyRPC, gevent, Protobuf, FFMpeg,
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written in Python with JSON-RPC as the synchronization protocol hosted with
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uWSGI and Live555, hosted on AWS. Reduced a couple of clients’ development and
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uWSGI on AWS with around a dozen service types: a server that kept a live
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deployment overhead by dockerizing their complete infrastructures. Created a
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connection to every camera over TCP with Protobuf, transcoding server with
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machine-generated-content service by implementing a ranking algorithm in
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FFMpeg, Live555 custom streaming server, a DB/RPC service to handle clients,
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PostgreSQL and optimized critical DB queries.
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file syncing service with SSH key management, a couple of notification
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services, back office service for managing the platform, etc. Other projects
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included reducing development and deployment overhead by dockerizing a couple
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of clients’ complete infrastructures, a machine-generated-content service by
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implementing a ranking algorithm in PostgreSQL, etc.
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#### RedHat - Software Engineer - OpenStack (2013-2014)
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#### RedHat - Software Engineer - OpenStack (Oct 2013 - Sep 2014)
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\
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\
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Development and RPM packaging on OpenStack Nova. Tested, debugged and deployed
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Development and RPM packaging on OpenStack Nova. Tested, debugged and deployed
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various OpenStack scenarios and use cases.
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various OpenStack scenarios and use cases.
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#### Asseko - Software Developer (2010-2012)
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#### Asseko - Software Developer (Dec 2010 - May 2012)
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\
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Part of a new team working on a complete rewrite of a legacy proprietary
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Part of a new team working on a complete rewrite of a legacy proprietary
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Banking Software to C# and MSSQL.
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Banking Software to C# and MSSQL. I was part of a team writing the new software
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that also made the adapters for data migration from the old to the new
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platform.
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