MARIANA GEORGIEVA
Cloud Native Application Developer / Seasoned DevOps And Software Engineer
Sofia
Summary
Cloud native applications developer, seasoned software engineer, DevOps practitioner
Overview
22
22
years of professional experience
11
11
years of post-secondary education
Work History
Cloud Native Application Developer /Senior Software Engineer
Hilti AG
10.2019 - 12.2024
- While developing CI24 I was part of the CNI team and responsible for building core components and tools using Crossplane, terraform, Python, Flux CD, helm, kustomize, Go
- Participate in re-building its state-of-the-art Infrastructure Platform using Kubernetes and Kubermatic Kubernetes Platform
- I was involved in designing, implementing and integrating core Platform features, multiple Kubernetes operators both in Go and Python/YAML with Ansible, multiple packages for custom installations with net/YAML
- As the main DevOps engineer for the Reality Capture/Progress Management project at Hilti AG I participated in designing and implementing the kubernetes operator responsible for prepping the infrastructure and controlling the execution of the model rendering (scan processing)
- Overseeing all load testing, production performance and ensure smooth and seamless operations
- As a Software Engineer/ Cloud native Application Developer part of the Reality Capture/ Progress management team I built and designed most of the API microservices and the entire infrastructure as code.
Software Engineer
Uber
11.2017 - 09.2019
- Implement large scale highly distributed gRPC services with Golang, Kafka
- Maintain and extend the legacy Python invoice service
Senior Software Engineer
Delivery Hero Gmbh
04.2016 - 07.2017
- Develop GIS microservices with Python and Golang in GCE
- Build Kubernetes cluster deployments of open source projects Osrm and Nominatim and country proxy
- Build deployment system for the delivery areas microservice
Senior Software Engineer
ValkFleet
03.2016 - 04.2016
- Company Overview: Delivery hero Gmbh Spin-Off
- Delivery hero Gmbh Spin-Off
Senior Software Engineer
Zeto
03.2014 - 05.2015
- Re-design and implement the cloud architecture and infrastructure of multivendor refrigeration management platform
- Being the first engineer of a startup I was in charge of DevOps, deployments & releases, Scrum processes (sprint planning and sizing), organizing all repositories in GitHub
- Created and enforced Agile development processes, software and system architecture and wrote the majority of code in most system components/apps
Senior Integration Module Developer
Skrill
04.2012 - 11.2013
- Design and develop payment modules for various e-commerce platforms
- Oversee the development of third party modules and integration on high volume ecommerce web sites
- Build and support test and development environment (Skrillbox) for the Integrations Department consisting of CentOS server, mail servers, databases, webserver
- Analyzed and improved the security, implementation and performance of the payment services and platform of Skrill
Perl Developer
Booking.com
07.2011 - 02.2012
- As part of the team in charge of the company's Logging and Event Messaging Services I implemented data aggregations and processing on large data sets using MySQL, Perl ORM, memcached
- Working on the Message Generator (component producing all content which is later passed onto the ME and Message Engine (message services)
- As part of Team-O I was working on the company's internal website and back office, I completed multiple Web 2.0 applications to support the hotels and affiliates business
Web Developer
eCommera
06.2010 - 06.2011
- Develop high load e-commerce systems using Demandware technologies and platform, built and integrate web services (Demandware script, JavaScript, Java, Eclipse IDE, HTML, CSS, XML, XPath, AJAX (jQuery), Selenium IDE)
Lead Software Engineer & Software Architect
Blacksheep
06.2006 - 06.2010
- Design the overall system architecture and implemented all core modules and libraries of all company projects
- Build the company's Perl MVC framework, engaged in various system and network programming projects involving the following OS and technologies: Debian, FreeBSD, Apache, lighttpd, MySQL, SQLite, Perl, C, AJAX (dojo toolkit and standalone), XML, JSON
C++ Software Engineer
TravelstoreMaker
01.2006 - 06.2006
- Implement new features and support existing code base of the company's Internet Booking Engine, parse large XML data structures into tree ADT
- Optimize existing tree traversal code, perform peer code reviews, builds and deployments (OOP, OOD, C++, libXerces, XML, Fedora Core)
Unix Software Engineer
Tumbleweed
07.2004 - 12.2004
- Implement new features, fix design/programming flaws and optimize the current system code of SecureTransport FTP and HTTP server
- Develop new FTP commands according to the RFCs, extend the YACC commands parser of the FTP server, analyze and improve the multi-threaded code of both servers
Software Developer
HeadOff G.I.
08.2002 - 12.2004
- Design and develop multiple network services, participate in a variety of projects associated with online games including client-server and network programming for Linux (C)
- System programming (C, Perl), integrate services in the company's web sites using CGI with C and PHP (mod_php), develop P2P (bittorrent) managing system (C, Perl, PHP, TCP/IP, UDP, Apache, MySQL, Red Hat, Fedora)
Education
Computer Science -
Sofia University St. Kliment Ohridski
01.1999 - 01.2004
Physics and Mathematics - undefined
Sofia Mathematics High School
01.1993 - 01.1999
Skills
Go
Python
C/C
Crossplane
Flux CD
Kustomize
Helm
Databases
Algorithms
MySQL
PostgreSQL
Git
Computer Science
REST
Perl
Jsonnet
RabbitMQ
Kafka
Celery
Django
RegEx
Redis
DynamoDB
Kubernetes
AWS
GCE
Kubermatic
Linkerd
Operator SDK
Docker
Linux
Ansible
Gitlab
Argo
CI/CD
Cloud Native Applications
System Architecture
Software Development
OOP
Distributed Systems
Web Services
Network and system programming
Concurrent programming/patterns
Websites
Passions
- AI
- Crypto
- Cloud computing
- Computing clusters
Timeline
Cloud Native Application Developer /Senior Software Engineer
Hilti AG
10.2019 - 12.2024
Software Engineer
Uber
11.2017 - 09.2019
Senior Software Engineer
Delivery Hero Gmbh
04.2016 - 07.2017
Senior Software Engineer
ValkFleet
03.2016 - 04.2016
Senior Software Engineer
Zeto
03.2014 - 05.2015
Senior Integration Module Developer
Skrill
04.2012 - 11.2013
Perl Developer
Booking.com
07.2011 - 02.2012
Web Developer
eCommera
06.2010 - 06.2011
Lead Software Engineer & Software Architect
Blacksheep
06.2006 - 06.2010
C++ Software Engineer
TravelstoreMaker
01.2006 - 06.2006
Unix Software Engineer
Tumbleweed
07.2004 - 12.2004
Software Developer
HeadOff G.I.
08.2002 - 12.2004
Computer Science -
Sofia University St. Kliment Ohridski
01.1999 - 01.2004
Physics and Mathematics - undefined
Sofia Mathematics High School
01.1993 - 01.1999
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