Flakron Rexhepaj, Developer in Nuremberg, Bavaria, Germany
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Flakron Rexhepaj

Verified Expert  in Engineering

DevOps Developer

Location
Nuremberg, Bavaria, Germany
Toptal Member Since
March 23, 2022

Flakron is a cloud solutions architect with seven years of experience in high-scale infrastructure optimization, systems administration, and process automation. Flakron has containerized applications, written and deployed infrastructure environments using Infrastructure-as-Code templates, configured AWS resources and services, built release processes using CI/CD pipelines, and supported SaaS-related projects by building customized monitoring solutions.

Portfolio

ASU Pocket - University Technology Office
Amazon Web Services (AWS), CI/CD Pipelines, Infrastructure as Code (IaC)...
Tsundoku Partners LLC
Amazon EC2, Amazon Web Services (AWS), DevOps, AWS Elastic File System...
Exasol
Python, Datadog, Monitoring, Amazon Web Services (AWS), Linux, Code Deployment...

Experience

Availability

Full-time

Preferred Environment

Linux, Ubuntu, Slack, Amazon Web Services (AWS), Python, CI/CD Pipelines, Azure, SaaS, Terraform

The most amazing...

...thing I've worked on is a scalable and complex application infrastructure handling more than five million requests per minute.

Work Experience

DevOps Engineer

2023 - 2023
ASU Pocket - University Technology Office
  • Managed infrastructure resources such as RDS, EC2, Lambda functions, ECS, etc., in multiple environments deployed in various AWS Accounts using Terraform.
  • Created from scratch and operated CI/CD pipelines using AWS CodeBuild, CodeDeploy, and CodePipeline.
  • Built a customized GitHub webhook to send notifications to a Slack alerts channel.
  • Troubleshot and supported developers on day-to-day tasks.
Technologies: Amazon Web Services (AWS), CI/CD Pipelines, Infrastructure as Code (IaC), AWS Lambda, Kubernetes, DevSecOps, SIEM, GitOps, Terraform, AWS CloudFormation, DevOps, Linux, Ubuntu, Slack, Boto 3, Jira, Datadog, Cloud Infrastructure, Monitoring, Amazon EKS

AWS Elasticsearch Expert (Documentation)

2022 - 2022
Tsundoku Partners LLC
  • Built scripts to migrate millions of documents to Elasticsearch.
  • Provisioned and configured Elasticsearch in AWS using CloudFormation.
  • Leveraged an Elasticsearch API using Python to write/read batch documents.
Technologies: Amazon EC2, Amazon Web Services (AWS), DevOps, AWS Elastic File System, Elasticsearch, Linux, Ubuntu, Slack, Python, Boto 3, Jira, AWS Lambda, Cloud Infrastructure

Cloud Engineer

2020 - 2022
Exasol
  • Created and executed automation for cloud operations tasks.
  • Built and supported SaaS-related cloud services and resources.
  • Collaborated with the support engineer team to maintain, monitor, and improve the operation of applications on cloud platforms.
  • Established service-level objectives and built observability to ensure that objectives were met.
  • Created runbooks to empower the support engineer team operating our cloud environments.
  • Troubleshot incidents, identified the root cause for bugs and issues, fixed and documented found bugs and issues, and implemented preventive measures.
Technologies: Python, Datadog, Monitoring, Amazon Web Services (AWS), Linux, Code Deployment, Infrastructure as Code (IaC), Terraform, AWS CloudFormation, AWS Lambda, Amazon API Gateway, Amazon S3 (AWS S3), Amazon Virtual Private Cloud (VPC), Amazon DynamoDB, Databases, SQL, MySQL, Cloud Services, Boto 3, GitHub, Ubuntu, Flow Diagrams, Cloud, Slack, AWS DevOps, Jira, Cloud Infrastructure, Git, Amazon Simple Queue Service (SQS), Draw.io, SaaS, Azure, Site Reliability Engineering (SRE), Grafana, Cloud Migration, DevOps

Automation/DevOps Engineer | Consultant

2019 - 2020
Exasol
  • Automated release tasks using Python and developed a product test framework.
  • Built and deployed CloudFormation templates as an IaC tool.
  • Provisioned and configured AWS resources and services using CloudFormation templates.
  • Developed Python scripts to optimize CI/CD tasks where native built-in functions couldn't do the job.
  • Developed software through Jira using Agile methodology.
Technologies: Infrastructure as Code (IaC), AWS CloudFormation, Python, AWS Lambda, Boto 3, Linux, Cloud, DevOps, CI/CD Pipelines, Amazon Web Services (AWS), Agile, Databases, GitHub, AWS DevOps, Consulting, Object-oriented Programming (OOP), Amazon Simple Queue Service (SQS), Continuous Delivery (CD), Continuous Deployment, Continuous Integration (CI), Slack, Jira, Amazon Virtual Private Cloud (VPC), Azure, CircleCI, PostgreSQL, Ubuntu, SaaS, Cloud Infrastructure, Cloud Migration, Terraform, Monitoring

DevOps Engineer

2018 - 2019
Polymath Labs
  • Designed technical infrastructure diagrams for cloud environments.
  • Provisioned and configured AWS resources and services.
  • Developed continuous integration and continuous delivery of code using an Agile process.
  • Containerized an application using Docker and built a data migration tool with Python.
  • Integrated code quality tools such SonarQube into CI/CD pipelines.
  • Version-controlled source code through Git, Bitbucket, and Azure VSTS.
  • Designed and deployed serverless application infrastructures using Draw.io and serverless framework.
  • Troubleshot, monitored, and reported application usage.
  • Developed software through Jira and Azure VSTS using Agile.
Technologies: Azure, Python, CI/CD Pipelines, Boto 3, Jira, Agile, Flow Diagrams, Draw.io, Amazon Web Services (AWS), Azure DevOps, Amazon DynamoDB, Amazon Simple Queue Service (SQS), Amazon Virtual Private Cloud (VPC), AWS Lambda, DevOps, AWS DevOps, Continuous Deployment, Continuous Delivery (CD), Continuous Integration (CI), Slack, Code Deployment, Cloud Services, AWS CloudFormation, Serverless, Serverless Architecture, API Gateways, Databases, Git, GitHub, Cloud Migration, Jenkins, Architecture, NoSQL, MySQL, APIs, REST APIs, Monitoring, Linux, Docker, Docker Compose, Ubuntu, Cloud Infrastructure, Terraform

Network and QA Engineer

2017 - 2018
3CIS J.S.C.
  • Developed a web application using PHP and Python to distribute commands to different RHEL VMs and store the output for reporting and further analyzing.
  • Installed and maintained Apache web server through XAMPP in CentOS 7.
  • Wrote tests for different internal processes with Python. Wrote full script documentation, including test execution and results.
  • Provided troubleshooting sessions on the various issues of different platforms.
  • Audited and prepared report documents for commercial ports in core routers for commercial port migration.
  • Generated configuration scripts through ANRS and created MOPs for each commercial port service (EPL, EVPL, ENS, EDIA).
Technologies: Linux, Python, CCNA, Cisco, PHP, RHEL, CentOS, Load Balancers, Ubuntu, Monitoring, Network Protocols, IP Routing, Networking, JavaScript, Network Configuration, HTML, Ansible, Chef, Continuous Deployment, Jira, Slack

Digital Identity Application for Arizona State University

https://getpocket.io/
A digital identity application (an e-wallet or educational wallet) for ASU. As a DevOps engineer, I handled the whole application infrastructure on AWS across four environments using Terraform, the release processes with CI/CD pipelines using AWS CodeBuild and CodePipeline, and building customized webhooks for notifications/alerts. The team consisted of 17 colleagues across four teams, where I mainly worked with two other DevOps engineers in the DevOps team.

Document Search Engine

Set up an Elasticsearch cluster and configured its shards. I uploaded over 200,000 Word, PDF, and TXT documents and made them searchable through the cluster. Users could search for documents from a decade back in just milliseconds.

Monitoring Solution for a DBaaS

Customized a monitoring solution for a SaaS product offering analytics databases as a service. The solution was written in Python and leveraged Datadog API to create customer dashboards, add widgets to dashboards, create monitors, configure the alerting thresholds, and notify on-call support engineers when databases run into issues. The team consisted of four DevOps engineers.
2013 - 2017

Bachelor's Degree in Computer Engineering

University of Pristina "Hasan Prishtina" - Pristina, Kosovo

DECEMBER 2023 - DECEMBER 2025

HashiCorp Certified: Terraform Associate (003)

HashiCorp

DECEMBER 2023 - DECEMBER 2026

Amazon Web Services Certified Advanced Networking – Specialty

Amazon Web Services

OCTOBER 2022 - OCTOBER 2025

Amazon Web Services Solutions Architect - Professional

Amazon Web Services

DECEMBER 2021 - DECEMBER 2024

AWS Certified Developer Associate

AWS

APRIL 2020 - APRIL 2023

AWS Certified SysOps Administrator Associate

AWS

NOVEMBER 2011 - PRESENT

Cisco Certified Network Associate

Cisco

Libraries/APIs

REST APIs

Tools

Boto 3, AWS CloudFormation, Terraform, Slack, Jira, Jenkins, CircleCI, Amazon Simple Queue Service (SQS), Amazon Virtual Private Cloud (VPC), Grafana, GitHub, Git, Amazon EKS, Draw.io, GitLab CI/CD, Ansible, Chef, Docker Compose, Amazon Elastic Container Service (Amazon ECS)

Languages

Python, SQL, C#, C++, JavaScript, CSS, HTML, PHP

Platforms

AWS Lambda, Amazon Web Services (AWS), Linux, Ubuntu, Azure, CentOS, Docker, Amazon EC2, Kubernetes, AWS IoT, AWS Elastic Beanstalk

Paradigms

DevOps, Agile, Azure DevOps, Continuous Integration (CI), Continuous Deployment, Continuous Delivery (CD), Serverless Architecture, Object-oriented Programming (OOP), DevSecOps, Automation

Storage

Amazon S3 (AWS S3), Datadog, Databases, MySQL, PostgreSQL, NoSQL, Amazon DynamoDB, Cloud Deployment, AWS Elastic File System, Elasticsearch

Other

CI/CD Pipelines, Infrastructure as Code (IaC), Monitoring, Cloud Infrastructure, Cloud, AWS DevOps, Cloud Services, RHEL, Cloud Migration, Code Deployment, Coding, Consulting, Amazon API Gateway, API Gateways, Load Balancers, APIs, Site Reliability Engineering (SRE), Network Protocols, Serverless, SaaS, Data Structures, IT Project Management, Algorithms, CCNA, Cisco, Flow Diagrams, Cloud Storage, Networking, IP Routing, Network Configuration, Architecture, Cloud Architecture, Data, SIEM, GitOps, Cloud Security, AWS Transit Gateway, Direct Connect (DC), Amazon Route 53, DNS, Amazon RDS, AWS CodePipeline, Cloud Engineering, IT Infrastructure, Datadog API, SaaS Monitoring

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