Marin Purgar
Principal Architect
Experience
Principal Architect
Spertix
- 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
Senior DevSecOps Engineer
A + E Networks
- 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
Senior DevOps Engineer
Friendsurance
- 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
Lead Site Reliability Engineer
Wimdu
- 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
Senior Software Architect
Life Tree Tech
- 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
Senior Software Architect and Engineer
Hive
- 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
Senior Software Engineer
Rocket Internet
- 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
Online Systems Manager
QVIVO
- 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
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (4.5 years), Media and Entertainment (4 years), Insurance (3 years), Energy (1 year), Tourism (1 year), and Banking and Finance (0.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (12 years), Operations (6.5 years), and Product Development (4.5 years).
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
Profile
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