Recommended expert
Marin Purgar
Principal Architect
Experience
Jan 2024 - Dec 2024
1 yearČakovec, Croatia
Principal Architect
Spertix
Position Summary
Principal Architect at Spertix
Industries
Energy
Business Areas
Information Technology
- Setup Google Workspace, GitHub, Terraform Cloud and Pulumi accounts and initial infrastructure
- Architected infrastructure, application and processes for the assets management application for the power generation industry
- Designed and implemented staging, Q&A, production and ephemeral development environments infrastructure as code using Terraform and Pulumi on AWS and Azure
- Architected and implemented CI and CD pipelines using GitHub Actions
- Modeled data and implemented backend API application using FastAPI, AWS Lambda, AWS API Gateway and DynamoDB
- Architected infrastructure as code for bare metal deployments (colocation)
- Implemented instrumentation, telemetry and observability using OpenTelemetry and OpenObservability
- Architected and implemented XDM and SIEM using Wazuh for proactive monitoring and security posture
- Used Ansible, Puppet and Chef for configuration management
- Scripted with Bash and Python (boto3)
- Managed Git workflows with GitHub and GitLab
Apr 2021 - Sep 2023
2 years 6 monthsNew York, United States
Senior DevSecOps Engineer
A + E Networks
Position Summary
Senior DevSecOps Engineer at A + E Networks
Industries
Media and Entertainment
Business Areas
Information Technology
- Implemented single sign-on using Okta for AWS and GCP accounts used by the platform engineering team
- Consolidated and migrated observability platform from AWS CloudWatch to Datadog
- Developed Fastly and AWS WAF frontend application firewall and threat mitigation rulesets
- Migrated CI/CD pipelines from Travis CI to AWS CodePipeline and CodeBuild
- Designed and implemented git test and release workflow using GitHub Actions and the ELK stack
- Implemented Docker image security scanning and automatic remediation using Trivy, AWS ECR scanning and AWS Security Hub
- Implemented GitOps using Terraform Cloud and migrated existing infrastructure as code from AWS CloudFormation to Terraform
- Designed and implemented incident response workflow and playbooks
- Designed and implemented Databricks infrastructure on AWS with GitHub and Python tooling for jobs and notebooks
- Designed and implemented large dataset cleaning and sanitization for the data science/AI team
- Wrote policies and collaborated on security shift-left paradigm and attack surface reduction for application Docker images
- Ensured compliance with security policies and standards, automating security posture reports and remediation
- Co-authored and conducted tabletop exercises for incident response
- Conducted technical prescreening and placement assessment interviews with job candidates
- Mentored and conducted technology walkthrough sessions with junior and senior new hires
- Technologies: AWS (CloudFormation, CodePipeline, CodeBuild), Terraform Cloud, Databricks, Ansible, Docker, Git, GitHub, Python, OpenTelemetry, Wazuh
Jun 2018 - Mar 2021
2 years 10 monthsBerlin, Germany
Senior DevOps Engineer
Friendsurance
Position Summary
Senior DevOps Engineer at Friendsurance
Industries
Insurance
Business Areas
Information Technology
Operations
- Automated infrastructure for the main web asset and supporting services on AWS using Troposphere and Ansible
- Implemented proactive monitoring (CloudWatch) and incident response
- Migrated capture service from external partners into internal automated AWS infrastructure using Ruby on Rails and Troposphere with Elastic Beanstalk
- Implemented microservices architecture alongside existing monolith using Kubernetes, Istio and Envoy, automated with Terraform on AWS
- Built infrastructure for capture machine learning using AWS ECS and AWS Batch with Troposphere
- Technologies: AWS (CloudFormation), Troposphere, Terraform, Elasticsearch, Jenkins, Ansible, Docker, Git, GitHub, Python, Kubernetes, Istio, Envoy, SciKit-Learn
Oct 2016 - Sep 2017
1 yearBerlin, Germany
Lead Site Reliability Engineer
Wimdu
Position Summary
Lead Site Reliability Engineer at Wimdu
Industries
Tourism
Business Areas
Information Technology
- Migrated main web asset from bare metal servers (Rackspace) to AWS
- Automated infrastructure for supporting services (site-wide search, autocomplete) on AWS using Puppet
- Automated administration of bare metal servers using Chef
- Implemented proactive monitoring (ELK) and incident response (PagerDuty)
- Implemented company-wide infrastructure automation using Terraform
- Sole SRE responsible for all infrastructure automation and operation
- Technologies: AWS (CloudFormation), NGINX, HAProxy, MySQL, MongoDB, Redis, Elasticsearch, ELK Stack, Jenkins, Puppet, Chef, Terraform, Packer, Docker, Git, GitHub, Python
Feb 2016 - Sep 2016
8 monthsRiverside, United States
Senior Software Architect
Life Tree Tech
Position Summary
Senior Software Architect at Life Tree Tech
Industries
Information Technology
Business Areas
Information Technology
Product Development
- Set up source repositories (GitHub), CI deployment (Jenkins) and cloud infrastructure (GCP)
- Migrated existing PHP web asset to Zend Framework 2
- Led a team of four developers with emphasis on PHP standards (PHP-FIG), automated testing (PHPUnit) and quality control
- Ensured horizontal scalability for up to 100K concurrent users
- Technologies: GCP, Docker, GitHub, Jenkins, NGINX, PHP (Zend Framework 2, Doctrine), MySQL, MongoDB, Elasticsearch, Solr
Jul 2014 - Dec 2015
1 year 6 monthsHong Kong
Senior Software Architect and Engineer
Hive
Position Summary
Senior Software Architect and Engineer at Hive
Industries
Information Technology
Media and Entertainment
Business Areas
Information Technology
Operations
Product Development
- Employee number two in seed-funded startup
- Set up source repositories (GitHub), development environment, CI deployment and cloud infrastructure (AWS)
- Architected main PHP web asset using Zend Framework 2
- Scaled system to support 300K active users and 65M HD video streams per month with 1PB storage on custom CEPH cluster with redundancy
- Technologies: AWS, Docker, GitHub, NGINX, PHP (Zend Framework 2), MySQL, MongoDB, RabbitMQ, Solr, CEPH
Feb 2014 - Jun 2014
5 monthsBerlin, Germany
Senior Software Engineer
Rocket Internet
Position Summary
Senior Software Engineer at Rocket Internet
Industries
Banking and Finance
Information Technology
Retail
Business Areas
Information Technology
Product Development
- Part of launch team for Zencap fintech startup later acquired by Funding Circle
- Member of Rocket Internet core team
- Developed Seller Center back office for B2B customers of Lazada, Zalora, Linio and Jumia
- Technologies: PHP (ZF1, ZF2, Symfony), MySQL, MongoDB, RabbitMQ, Redis, Solr
Nov 2011 - Jan 2014
2 years 3 monthsHong Kong
Online Systems Manager
QVIVO
Position Summary
Online Systems Manager at QVIVO
Industries
Information Technology
Business Areas
Information Technology
Operations
Product Development
- Employee number one in seed-funded startup
- Dimensioned and acquired infrastructure including bare metal servers and AWS
- Set up source repositories (GitHub), development environment, CI deployment and cloud infrastructure (AWS)
- Architected and developed main PHP web asset using Zend Framework 2
- Technologies: AWS, PHP (Zend Framework 2), MySQL, MongoDB, RabbitMQ, Solr
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Media and Entertainment, Insurance, Energy, Tourism, and Banking and Finance.
Information Technology
Media and Entertainment
Insurance
Energy
Tourism
Banking and Finance
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Operations, and Product Development.
Information Technology
Operations
Product Development
Skills
- Amazon Web Services (Cloudformation, Ec2, Lambda, S3, Vpc, Iam, Route53, Sqs, Cloudfront, Cloudwatch, Rds, Ecs, Batch, Eks, Dynamodb, Sagemaker)
- Google Cloud Platform (Compute Engine, Kubernetes Engine, Storage, Iam, Bigtable, Pub/sub, Monitoring)
- Php (Zend Frameworks 2 And 3, Apigility, Symfony, Laravel)
- Ci/cd (Aws Codepipeline, Jenkins, Github Actions, Gitlab Ci)
- Configuration Management (Ansible, Puppet, Chef)
- Scripting (Bash, Python, Boto3)
- Git (Github, Gitlab)
- Opentelemetry
- Openobservability
- Wazuh
- Docker (Compose, Swarm, Registry)
- Kubernetes (Istio, Envoy)
- Terraform, Pulumi, Troposphere
- Packer
- Nginx
- Postgresql
- Dynamodb
- Mysql (Percona)
- Mongodb (Atlas)
- Redis
- Elk Stack
- Elasticsearch
- Rabbitmq
- Databricks
- Datadog
- Slack
Languages
Croatian
NativeGerman
AdvancedEnglish
AdvancedStatistics
Experience
Total positions 8
Experience in Information Technology 4.5 y
Avg length 1 y 5 m
Longest experience 2 y 9 m
Global Experience
Countries worked in 4 (Germany, United States, Hong Kong, Croatia)
Primary country Germany
Expertise
Recent roles Principal Architect, Senior DevSecOps Engineer, Senior DevOps Engineer
Main industries Information Technology, Media and Entertainment, Insurance
Main business areas Information Technology, Operations, Product Development
Profile
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Marin based?
Marin is based in Čakovec, Croatia.
What languages does Marin speak?
Marin speaks the following languages: Croatian (Native), German (Advanced), English (Advanced).
How many years of experience does Marin have?
Marin has at least 12 years of experience. During this time, Marin has worked in at least 8 different roles and for 8 different companies. The average length of individual experience is 2 years and 6 months. Note that Marin may not have shared all experience and actually has more experience.
What roles would Marin be best suited for?
Based on recent experience, Marin would be well-suited for roles such as: Principal Architect, Senior DevSecOps Engineer, Senior DevOps Engineer.
What is Marin's latest experience?
Marin's most recent position is Principal Architect at Spertix.
What companies has Marin worked for in recent years?
In recent years, Marin has worked for Spertix, A + E Networks, and Friendsurance.
Which industries is Marin most experienced in?
Marin is most experienced in industries like Information Technology, Media and Entertainment, and Insurance. Marin also has some experience in Energy, Tourism, and Banking and Finance.
Which business areas is Marin most experienced in?
Marin is most experienced in business areas like Information Technology, Operations, and Product Development.
Which industries has Marin worked in recently?
Marin has recently worked in industries like Insurance, Media and Entertainment, and Energy.
Which business areas has Marin worked in recently?
Marin has recently worked in business areas like Information Technology and Operations.
What is the availability of Marin?
The availability of Marin needs to be confirmed.
What is the rate of Marin?
Marin's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Marin?
To hire Marin, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
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Market avg: 630-790 €
Market avg: 630-790 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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