Mateusz Drankowski, DevOps Engineer and Developer in Łódź, Poland
Mateusz Drankowski

DevOps Engineer and Developer in Łódź, Poland

Member since March 24, 2020
Mateusz is a self-starting, team-oriented DevOps engineer and cloud economist with years of experience in improving cloud-based systems' resilience, reliability, automation, and efficiency. He’s passionate about DevOps engineering and making the most of the AWS ecosystem. The projects that excite him the most are the ones that present challenges that require creative solutions.
Mateusz is now available for hire

Portfolio

  • Toptal Clients
    Red Hat OpenShift, OpenShift, Kubernetes, HashiCorp Vault, SonarQube, Nexus...
  • Toptal Clients
    Amazon S3 (AWS S3), Amazon EC2 (Amazon Elastic Compute Cloud)
  • Self-employed
    AWS CodeDeploy, Amazon Web Services (AWS), Kubernetes, Docker...

Experience

Location

Łódź, Poland

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), AWS, Linux, Containers, Kubernetes

The most amazing...

...project I've architected, deployed, and managed is a cross-region master-to-master, highly resilient, and scalable big data infrastructure.

Employment

  • DevOps Engineer

    2020 - 2021
    Toptal Clients
    • Took a leadership role in introducing an AWS Service Catalog provisioning system, responsible for building AWS CloudFormation templates for numerous services. Worked with colleagues and the AWS team on defining correct practices.
    • Worked on the migration of the critical tooling from the OpenShift 3.11 to 4.6.
    • Introduced a new high-availability HashiCorp Vault cluster to serve as a company-wide secrets store, built policies, and worked with engineering teams to ensure they have the right knowledge and tools to start using it.
    • Worked with the engineering teams to help them with application containerization—initial deployments, knowledge sharing, debugging, performance monitoring, and best practices.
    • Introduced various proofs-of-concept to validate ideas and possibilities to improve existing tooling.
    • Worked on the cost optimization—licenses renegotiation, right-sizing of existing resources, new cost monitoring dashboards, and provisioning systems amendments—to ensure more efficient choices.
    • Worked with GitLab and GitLab CI/CD pipelines on new products and improved existing ones.
    Technologies: Red Hat OpenShift, OpenShift, Kubernetes, HashiCorp Vault, SonarQube, Nexus, GitLab, GitLab CI/CD, AWS Service Catalog, AWS CloudFormation
  • Cloud Economist

    2020 - 2021
    Toptal Clients
    • Contributed to the reduction of the AWS annual bill by 30%.
    • Introduced savings plans and reduced the overhead and unused fees from reserved instances.
    • Introduced good practices on efficient resource provisioning.
    • Worked on right-sizing across numerous AWS services, including EC2, RDS, S3, FSx, EFS, EBS, S3, EMR, Glue jobs, and others.
    • Worked with stakeholders on many levels, including engineering teams, finance teams, and management, always ensuring clear communication and realistic expectations.
    • Worked extensively with cost and usage reports to create robust, detailed reports and forecasts.
    • Introduced robust cost optimization QuickSight reports following the best practices from the AWS Well-Architected Framework.
    • Worked closely with the AWS TAM and AWS cost experts on resolving immediate or upcoming cost issues with non-default solutions to the challenges I faced.
    Technologies: Amazon S3 (AWS S3), Amazon EC2 (Amazon Elastic Compute Cloud)
  • Lead DevOps Engineer

    2019 - 2020
    Self-employed
    • Architected, deployed, and managed a highly scalable EC2-base infrastructure on AWS for one of the leading theater websites in the world.
    • Configured a Postfix-base email cluster sending up to 5,000,000 emails per day while keeping outstanding deliverability results.
    • Introduced continuous integration and continuous delivery to the stack.
    • Introduced a variety of updates to use systems more efficiently and reduce AWS bills, e.g., reserved instances, colder storage, and auto-scaling.
    • Provided out-of-hours support to work with reliability issues.
    Technologies: AWS CodeDeploy, Amazon Web Services (AWS), Kubernetes, Docker, AWS CloudFormation, Postfix, Amazon Aurora, AWS CodePipeline, Amazon EC2 (Amazon Elastic Compute Cloud), AWS, Architecture, GitHub, AWS ELB, AWS Lambda
  • Technical Architect | Lead DevOps Engineer

    2016 - 2019
    Self-employed
    • Architected, deployed, and managed a highly scalable AWS-based infrastructure for a custom-built multi-tier ERP platform.
    • Worked closely with all stakeholders to define the roadmap and bottlenecks.
    • Introduced robust monitoring and alerting systems and a robust, centralized log management system.
    • Reviewed resources to optimize performance and AWS bills.
    • Improved the resiliency and reliability of systems by introducing auto-scaling for EC2s, read-replicas on RDS, and a variety of other changes for other tiers.
    Technologies: AWS CodeDeploy, Amazon Web Services (AWS), Amazon API Gateway, Amazon ECS (Amazon Elastic Container Service), Docker, AWS CloudFormation, Cost Management, Amazon Route 53, Amazon DynamoDB, Elasticsearch, Relational Database Services (RDS), AWS CodePipeline, Amazon EC2 (Amazon Elastic Compute Cloud), AWS, Architecture, GitHub
  • Head of Platform | Lead DevOps Engineer

    2018 - 2018
    Blubolt
    • Developed and delivered measurable outcomes on a clear public-facing and internal-facing product roadmap.
    • Architected and deployed improvements around continuous integration and continuous delivery.
    • Introduced a variety of improvements for the local working environment.
    • Identified cost savings across all environments and tiers to utilize existing infrastructure more efficiently.
    • Worked continuously on improving the resilience and reliability of AWS-based systems.
    • Served as the principal contact with senior management for major platform incidents that are causing widespread business disruption (internal and external).
    • Worked closely with the commercial team to ensure product development aligns with business priorities.
    Technologies: AWS CodeDeploy, Amazon Web Services (AWS), PCI DSS, Infrastructure as Code (IaC), AWS CodePipeline, CircleCI, Jenkins, Google Cloud Platform (GCP), ECS, PHP, Docker, Vagrant, ELK (Elastic Stack), AWS CloudFormation, AWS, Architecture, Serverless, GitHub, Technical Hiring, Interviewing, VPN
  • Platform Technical Lead

    2017 - 2018
    Blubolt
    • Orchestrated major technical decisions and overall technical strategy to reach the business objectives faster.
    • Delivered major technical milestones (e.g., implementing new frameworks).
    • Managed the team and optimized and maximized productivity.
    • Evangelized the platform and nurtured a great working environment.
    • Architected and deployed a variety of stack improvements.
    Technologies: Amazon Web Services (AWS), Amazon SQS, AWS Push Notification Service (AWS SNS), ELK (Elastic Stack), Sentry, Sumo Logic, AWS CloudFormation, PHP, AWS, Architecture, Serverless, GitHub
  • DevOps Engineer

    2016 - 2017
    Blubolt, Ltd.
    • Improved DevOps practices and culture within the company.
    • Designed, built, and deployed continuous integration tools to help empower the development team.
    • Improved and maintained the working environment to improve the efficiency of development teams.
    • Built, released, and configured production systems.
    • Introduced an automation process across the company to target the bottlenecks on the software delivery.
    • Troubleshot the systems and workflow to target the most disruptive bottlenecks.
    • Contributed to the systems support roster to ensure the high availability of AWS systems.
    Technologies: Amazon Web Services (AWS), Sumo Logic, ELK (Elastic Stack), Jenkins, AWS CloudFormation, Bitbucket Pipelines, CircleCI, Vagrant, Docker, Amazon EC2 (Amazon Elastic Compute Cloud), AWS, GitHub
  • Systems Engineer

    2016 - 2016
    Blubolt, Ltd.
    • Maintained the local, staging, and production server infrastructure on AWS.
    • Improved reliability, performance, and cost-efficiency of the infrastructure to ensure the best end-user experience.
    • Collaborated with management, support, and development teams.
    • Fulfilled my duties on the out-of-hours support roster for AWS systems.
    • Troubleshot bottlenecks across the production and development systems.
    • Built, released, and configured production, staging, and development systems.
    Technologies: Amazon Web Services (AWS), Sentry, Datadog, Sumo Logic, ELK (Elastic Stack), Solr, Elasticsearch, Amazon SQS, AWS Push Notification Service (AWS SNS), Memcached, Relational Database Services (RDS), Amazon EC2 (Amazon Elastic Compute Cloud), AWS
  • Lead Developer at BOMcheck.net

    2013 - 2016
    BOMcheck
    • Served as the lead architect and technical decision-maker in developing a big-data project: BOMcheck.net.
    • Defined and built a cross-region AWS-based infrastructure utilizing EC2, RDS, Elasticsearch, SQS, SNS, and other technologies.
    • Improved performance, reliability, and scalability of the project on both code and systems levels.
    Technologies: Amazon Web Services (AWS), AWS Push Notification Service (AWS SNS), Amazon SQS, Elasticsearch, Relational Database Services (RDS), Amazon EC2 (Amazon Elastic Compute Cloud), AWS, Object-oriented Programming (OOP), PHP, Architecture
  • Web Developer

    2012 - 2013
    Blubolt, Ltd.
    • Developed numerous payment, warehouse, and shipping integrations with most well-known providers in the UK.
    • Implemented new core platform improvements as well as maintained and refactored the code.
    • Developed cutting-edge bespoke features in PHP, JavaScript, and Flex.
    • Provided both internal and external technical support.
    • Worked closely with other programmers, designers, and account managers.
    Technologies: Flex, eCommerce, JavaScript, Object-oriented Programming (OOP), PHP
  • Founder

    2009 - 2012
    Na Zdrowie
    • Founded a successful eCommerce business selling organic goods.
    • Built a variety of PrestaShop extensions using web technologies.
    • Built a company that became one of the most recognizable online organic stores in the local market.
    Technologies: PrestaShop, CSS, HTML, JavaScript, PHP

Experience

  • High-traffic AWS Infrastructure
    http://broadwayworld.com

    TASK DESCRIPTION:

    I handled the AWS architecture, deployment, and maintenance of the world's largest theater and live entertainment website serving several million visitors a month in multiple geographies and languages.

    TASKS ACCOMPLISHED:

    • Migrated the whole infrastructure from scattered VMs to AWS using AWS DataSync and Migration Service.
    • Improved systems resilience by introducing a reliable autoscaling setup with Application Load Balancer, all supported by AWS Lambda functions.
    • Introduced continuous integration and delivery (AWS CodePipeline, AWS CodeCommit, AWS CodeBuild, AWS CodeDeploy).
    • Architected and deployed Postfix-base high-volume mail cluster to improve deliverability while keeping costs in mind.

  • Cost Optimization on the Multi-tenant eCommerce Platform

    I continuously tried to reduce AWS costs on multi-tier multi-tenant eCommerce systems used by many large UK retailers.

    TASKS ACCOMPLISHED:

    • Implemented AWS Trusted Advisor and cost management services to understand AWS costs better and CloudWatch to get more in-depth insights into utilized AWS services.
    • Reviewed existing resources.
    • Implemented saving plans or reserved instances where possible.
    • Implemented spot instances as a part of auto-scaling groups.
    • Monitored resource usage and types and made adjustments when necessary.
    • Performed an S3 replacement with colder storage for less frequently used data types.
    • Reviewed bandwidth.
    • Made auto-scaling adjustments for MySQL and NoSQL databases for less overallocation and following traffic patterns.

  • Test Automation on the eCommerce Platform

    TASKS ACCOMPLISHED:
    • Spearheaded test automation across the company.
    • Used Ghost Inspector as the first layer of acceptance tests.
    • Introduced acceptance and unit tests to an eCommerce platform while working with third-party consultants.
    • Implemented a robust solution to run them across the environments with EKS hosted Selenoid cluster.
    • Worked with team leads and developers to ensure the sustainability of the change.

  • Continuous Integration and Delivery Improvements

    TASKS ACCOMPLISHED:
    • Used Bitbucket pipelines for AWS Lambda functions and Jenkins pipelines for a new branching process.
    • Set up CI/CD, which streamlined the release process and improved the scalability of Jenkins slaves.
    • Introduced build monitoring via Sumo Logic/Hipchat and configuration versioning on Bitbucket—giving teams better visibility over deployments.

  • PCI Compliance

    TASKS ACCOMPLISHED:
    • Served as an integral part of the team tasked with achieving PCI-DSS Level 1 compliance for the eCommerce platform.
    • Made the move to microservice which completely isolated the payment system.
    • Implemented systems hardening.
    • Built a new log management system.
    • Compiled extensive documentation.
    OVERALL PROJECT RESULT:
    All of the above allowed us to breeze through QSA assessments and penetration tests.

  • Development Environment

    TASKS ACCOMPLISHED:
    • Improved the productivity and remote working capabilities of the production team by making and coordinating multiple improvements to the dev environment and tooling.
    • Experimented with a trial of three technologies: Vagrant with Chef-managed VMs, Docker, and OpsWorks-managed Cloud9.
    • Chose to use two solutions: Docker as a primary local working environment with Cloud9 mostly for remote work.

  • Sumo Logic Log Management

    TASKS ACCOMPLISHED:
    • Spearheaded improvements to our log management tooling to reduce maintenance burden, complexity, meet PCI compliance and improve host metrics.
    OVERALL PROJECT RESULT:
    This increased the productivity of teams (a better UI, Log Reduce, Log Compare) and resulted in a 30% cost reduction from ELK and 600% data retention increase

  • Multi-region AWS Infrastructure

    TASKS ACCOMPLISHED:
    • Architected and implemented an AWS infrastructure split into multiple regions (Dublin, Tokyo, and Northern California), with cross-region data replication for MySQL, Elasticsearch, and Memcached.
    • Made extensive utilization of SNS/SQS for cross-region communication and latency based routing on Route 53 with health-checks—resulting in much-improved latency and reliability for clients across the world.

  • Vue.js app with Express API on AWS Lambda

    TASKS ACCOMPLISHED:
    • Architected, built, and deployed a Nuxt.js app.
    • Handled the AWS Lambda setup.
    • Built API endpoints with the Node.js Express framework,
    • Implemented authentication on AWS Cognito.
    • Implemented server-side rendering for a better SEO.

  • Subscriptions

    TASKS ACCOMPLISHED:
    • Provided technical leadership to the team that created a product that reduced support for retailers who have reported "20 inquiries per day to virtually zero since launch." These payments made use of continuous authority on numerous payment providers.

  • Amazon Pay

    TASKS ACCOMPLISHED:
    • Led the technical implementation, delivery, and project coordination of beta pre-launch of Amazon Pay’s multicurrency solution on the platform, while providing valuable technical input to Amazon’s team on their APIs and SDK.

  • AWS Service Catalog Provisioning System

    A robust service catalog system allowing users to provide required resources without hassle, using a custom interface. Included CloudFormation templates that were built by me to ensure they are suitable for the company's needs—allowed options that were in line with the company's policy and cost optimization good practices.

Skills

  • Languages

    PHP, JavaScript, Bash, Bash Script, SQL, HTML, CSS, Python 3, Python, Java, HTML5, Ruby, Go
  • Tools

    AWS ELB, Amazon ECR (Amazon Elastic Container Registry), Git, Shell, AWS CloudFormation, Amazon CloudWatch, AWS IAM, Docker Hub, AWS Systems Manager, GitLab, GitHub, GitLab CI/CD, Jira, Apache, SonarQube, Sumo Logic, ELK (Elastic Stack), Jenkins, Sentry, Chef, Amazon SQS, AWS Push Notification Service (AWS SNS), AWS SES, Amazon ElastiCache, Bitbucket, AWS CLI, Amazon EBS, Amazon Virtual Private Cloud (VPC), AWS CodeCommit, AWS CodeBuild, AWS CodeDeploy, Amazon ECS (Amazon Elastic Container Service), Amazon EKS, AWS Fargate, Vagrant, VirtualBox, Docker Compose, Postfix, Artifactory, VPN, PrestaShop, Solr, AWS SDK, Amazon QuickSight, Helm, Traefik, AWS OpsWorks, CircleCI, Amazon CloudFront CDN, Amazon Athena, Amazon Cognito, VMware, AWS Step Functions, Terraform
  • Paradigms

    Continuous Delivery (CD), Object-oriented Programming (OOP), Continuous Integration (CI), Continuous Deployment, DevOps, Web Architecture, Agile Software Development, Test-driven Development (TDD), Azure DevOps, Microservices, Microservices Architecture, DevSecOps, Agile, Design Patterns
  • Platforms

    AWS Cloud Computing Services, Amazon EC2 (Amazon Elastic Compute Cloud), Amazon Web Services (AWS), OpenShift, AWS Lambda, PagerDuty, Linux, Docker, Kubernetes, Google Cloud Platform (GCP), Red Hat OpenShift, Nexus, Azure
  • Other

    Cost Management, Infrastructure as Code (IaC), CI/CD Pipelines, Architecture, AWS, AWS Auto Scaling, AWS DevOps, Load Balancers, Amazon Route 53, Shell Scripting, Linux Servers, ECS, AWS Service Catalog, Serverless, Containerization, Containers, AWS CodePipeline, Amazon API Gateway, Cloud9, Code Architecture, People Management, Autoscaling, Source Code Review, Task Analysis, Technical Hiring, Interviewing, GitHub Actions, eCommerce, Relational Database Services (RDS), Bitbucket Pipelines, PCI DSS, AWS Managed Services, Prometheus, Artificial Intelligence (AI), HashiCorp Vault, Amazon Elastic Transcoder, Bots, MVP Design, AWS SAM, AWS RDS, AWS Macie, AWS Inspector, Trusted Advisor, Web Security, Team Management, Microsoft Power Automate
  • Frameworks

    Zend Framework, Flex, Laravel 5, Codeception, PHPUnit, Windows PowerShell
  • Libraries/APIs

    jQuery, MooTools, Vue 2, React, Node.js
  • Storage

    PostgreSQL, Elasticsearch, MySQL, NoSQL, Amazon S3 (AWS S3), Amazon DynamoDB, SQL Architecture, Memcached, Datadog, Amazon Aurora, Redis, AWS CodeStar

Education

  • Bachelor's Degree in Systems Engineering
    2009 - 2012
    University of Information Technology and Management COPERNICUS - Wroclaw, Poland

Certifications

  • AWS Certified DevOps Engineer — Professional
    JUNE 2021 - JUNE 2024
    Amazon Web Services

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