Reza Jelveh
DevSecOps Expert and Developer
Location
Taipei, Germany
Toptal Member Since
March 6, 2018
Reza has worked as a CTO for various startups and a German government institution with a one billion revenue that needed restructuring. Ever since he dismantled his first VCR over 30 years ago, Reza has been passionate about building meaningful hardware and software that people use and love. His obsession has grown to include a love for solving complex problems across a broad spectrum of technologies.
Reza is available for hire
Hire RezaPortfolio
Acies AI Ltd.
Kubernetes, Helm, Azure Kubernetes Service (AKS), Azure, ClickHouse...
Legartis Technology AG
OpenShift, Ansible, Docker, CI/CD Pipelines, GitLab CI/CD, DevOps...
Computer Vision/3D Printing Data Processing via Toptal
Python, Amazon Web Services (AWS)
Experience
Performance - 15 yearsArchitecture - 12 yearsAgile Software Testing - 7 yearsKubernetes - 4 yearsMachine Learning Automation - 3 yearsTerraform - 3 yearsLocation
Availability
Full-time
Preferred Environment
Vim Text Editor, Linux
The most amazing...
...project I've done was reverse-engineer Apple's bootloader and migrate from VMware to KVM, decreasing maintenance and saving millions of dollars recurring fees.
Work Experience
2021 - 2022
Cloud DevOps Engineer (Kubernetes)
Acies AI Ltd.
- Migrated the entire existing cloud and manually configured components from AWS to Azure Kubernetes Service (AKS) with fully automated deployment.
- Performed Terraform deployment that allows the client to spin up and tear down full environments in a matter of minutes and also gives them the option to white label the whole platform if needed.
- Made a lot of improvements in data consistency and retention policies for selected databases and storage, allowing for better disaster recovery (DR) and overall availability.
- Migrated AWS Lamda first into Azure functions and then into the Kubernetes cluster.
- Implemented in cluster Kafka and redis based serverless processing with full GitOps integration in the cluster.
Technologies: Kubernetes, Helm, Azure Kubernetes Service (AKS), Azure, ClickHouse, Amazon Web Services (AWS), Payment APIs, Argo CD, Flux, AWS Lambda, Azure Functions, OpenFaas, GitOps
2021 - 2022
DevOps Engineer
Legartis Technology AG
- Introduced Terraform to the architecture and migrated GitLab CI to AKS.
- Migrated an Ansible-based container built of the entire infrastructure to GitLab CI from an older OpenShift-v3-based environment to one that runs on different Kubernetes platforms.
- Helped migrate the OpenShift v3 to a privacy-aware Switzerland-based Kubernetes provider with its own Terraform architecture.
Technologies: OpenShift, Ansible, Docker, CI/CD Pipelines, GitLab CI/CD, DevOps, DevOps Engineer, GitLab, Icinga, Apache Kafka, PostgreSQL, Continuous Integration (CI), Kubernetes, Kyverno
2021 - 2021
Architect
Computer Vision/3D Printing Data Processing via Toptal
- Reviewed the current infrastructure and assessed scalability of the current solution.
- Created a multi-tenant AWS design with strict data segregation necessary for the enterprise clients of this 3D printing validation startup.
- Provided scalable design for hybrid sensor to cloud infrastructure.
Technologies: Python, Amazon Web Services (AWS)
2021 - 2021
DevOps Consultant
Toptal Client
- Introduced Autoscaling for Kafka, using CruiseControl.
- Coached the client on how to autoscale Kafka consumer groups in Kafka.
- Advised the client on Kubernetes persistent volume setups and Kafka Clusters across Availability Zones.
Technologies: Apache Kafka, CruiseControl, Prometheus, Azure Kubernetes Service (AKS), Kubernetes
2020 - 2021
Embedded Architect | Global Strategy, Security, and ML Consultant for Self-driving Vehicles
Fortune 500 Automotive Company
- Provided strategic guidance to the CIO and the directors of autonomy solutions on security, platform, integration, and edge computing.
- Advised the Chinese subsidiary on their ML architecture and a way to work together with the North American market without sharing IP due to the shifting global complexities.
- Advocated changes in the global communication and security structure for a major shift in a rapidly changing world.
- Designed an AWS ML cloud infrastructure for LIDAR data processing.
- Designed a Kubernetes enterprise storage solution for hybrid cloud solutions.
- Integrated hardware security module (HSM) for a secure developer's access to infrastructure.
- Designed a Kubernetes enterprise storage solution for hybrid cloud solutions.
Technologies: Amazon Web Services (AWS), Kubernetes, AWS IoT, Industrial Internet of Things (IIoT), Embedded Systems, Internet of Things (IoT), DevOps, Machine Learning, Leadership
2018 - 2021
Freelance Developer
Talkyoo
- Built the original transition to Rails 2 and integrated the payments infrastructure, working closely with the CTO, CEO, and lead designer on commercializing the product and A/B testing migration of the existing free customers.
- Implemented a GitLab CI integration with the Google Cloud platform.
- Designed a Google Cloud architecture with Google Cloud, Google Kubernetes Engine (GKE), and Terraform.
- Terraformed the on-premise vSphere infrastructure and added an ELK Elasticsearch cluster for monitoring.
- Dockerized the platform for Kubernetes use. I migrated the manually installed Kubernetes cluster to an automated Kubespray setup and connected it to the GitLab CI.
Technologies: Cloud, DevOps, Google Kubernetes Engine (GKE), Google Compute Engine (GCE), SaaS, Payment APIs, Card Payments
2020 - 2020
Solution Architect
Industrial 3D Printing Quality Control Startup (via Toptal)
- Designed a multi-tenant secure cloud Kubernetes infrastructure for a platform that supports multiple enterprise clients' secure compartmentalized ML workflows.
- Cooperated with the client to educate and design an easy-to-use job queuing as a step before the ML pipeline for high-velocity integration.
- Educated the client on designing the aforementioned autoscaling solutions with Terraform on AWS.
Technologies: Amazon Web Services (AWS), RQ, Terraform, TensorFlow, Python, SaaS
2020 - 2020
CTO
Toptal Law Firm Client
- Restructured the team, thereby reducing its size by half and improving velocity tenfold; migrated the team to a more accountable, results-driven work mode, and coached the client on how to do so without my help.
- Recruited a new team and trained the CEO on the importance of engineering quality; created an environment for him to take over the lead with minimal effort.
- Led technology and product decisions temporarily along with the development and communication ground rules to allow the CEO to run a new performance team efficiently.
Technologies: Vue, Heroku, Ruby on Rails (RoR), CTO, Mentorship & Coaching, Leadership
2018 - 2020
DevOps Engineer | Team Lead | Software and System Architect | Python and Data Processing Architect
Rio Tinto (via Toptal)
- Architected a scalable containerized solution for a seismic analytics platform for real-time sensor analysis.
- Led a development team and handled resources; advised the client on restructuring previous resources; hired and directed the development of a back-end and front-end application. Introduced asynchronous standups to allow collaboration across timezones.
- Introduced a Django-based REST API for the unified access of processed data. Built a real-time web integration in Django.
- Enhanced a major performance and architectural review and rewrites of all components involved. Rewrote and architected various pieces of Python code into a releasable versionable library.
- Reverse-engineered a legacy database and storage systems for integration in a Kafka streaming re-architecture, significantly reducing the latency in the data access. I built a Kafka-streaming solution for ingesting legacy data in Kotlin.
- Designed and implemented a scalable on-premise Kubernetes-based cluster with deployment in a copper mine. It mirrored the deployment on the cloud for developers without the need for access to the internal corporate processes.
- Developed a Go connector to extract legacy data for stream processing in Kafka.
- Implemented near real-time processing of seismic events. Also, I matched requirements with potential streaming solutions Flink, Pachyderm, Argo, Airflow, NiFi, Spark, and Flink to provide the best solution to the client.
- Rearchitected the application to reduce the amount of data passed around in messages and removed and replaced Kafka dependency for normal messaging to Kafka streams processing where it was necessary.
- Profiled and rewrote major parts of the application, turning them into a Python library, and added Python packaging and testing infrastructure with corresponding build pipelines.
Technologies: Cloud, Azure Kubernetes Service (AKS), DevOps, Ceph, Redis, Kotlin, Go, GlusterFS, MongoDB, Kubernetes, Apache Kafka, Django, Azure, Terraform, Leadership, Cloud Security, ARIS Cloud, Argo CD, Apache Airflow, Spark ML, Continuous Integration (CI), Continuous Delivery (CD), CI/CD Pipelines, GitLab CI/CD, Data Pipelines
2016 - 2019
CTO
Association of Statutory Health Insurance Physicians
- Planned and coordinated the wiring, data center, wireless, and security in the €40 million construction of the new HQ.
- Guided the installation of 100G MTP wiring as well as the necessary core drillings for a future-proof construction.
- Introduced Agile project management to the organization.
- Mentored young developers and product owners to grow further on their own.
- Wrote the blueprint for transitioning the current on-premise domain controller (DC) to a private cloud.
- Guided the transition of network access control, physical access control, and system architecture.
- Introduced Angular and Ruby on Rails for the new web projects.
Technologies: DevOps, .NET, Oracle, Java, VMware, Ruby on Rails (RoR), Ruby, CTO, Mentorship & Coaching, Leadership
2018 - 2018
DevOps Engineer
In One Motion
- Created a one-click solution for generating and updating secure Windows images customized for the Google Cloud to be used with graphic acceleration.
Technologies: Cloud, DevOps, Ansible, Packer, Terraform, Remote Desktop Protocol (RDP), Windows Server, Ruby on Rails (RoR), Ruby
2014 - 2015
Cloud Computing Director
Softsage Solutions
- Reverse-engineered Apple's bootloader and extended the EDK for an OS X boot.
- Automated software development onboarding environments with Ansible.
- Improved Sauce Labs' cloud performance by up to 38% and boot times by over 17%. Analyzed virtualized I/O, networking, and other bottlenecks against a bare-metal performance.
- Designed and built preboot environments to migrate hundreds of Mac minis from VMware to KVM.
- Implemented custom cloud deployment and performance work.
- Developed packer imaging for Mac and Windows images.
Technologies: Cloud, DevOps, BladeCenter H, VMware, Ansible, Python, Ubuntu, Boot, PXE, UEFI, KVM, CTO, Mentorship & Coaching, Leadership
2014 - 2014
Team Lead Web
Fly Victor
- Led a team of web developers to build the new web platform with Angular and the Node.js API.
- Increased the conversion rates for new visits by 29%.
- Oversaw launch process, massively increasing turnaround on first-time private jet charter customers.
Technologies: MongoDB, Angular, WordPress, Percona, Node.js, Leadership, SaaS
2012 - 2013
Software Engineer
Center for Business and Information Technologies
- Reviewed and distributed an XMPP application for the Department of Homeland Security.
- Designed and built the first RESTful Medicaid API.
- Wrote special tooling to allow normal developers to modify data structures in the Dynamics CRM.
- Evaluated the use of AWS GovCloud for Medicaid solutions.
Technologies: Customer Relationship Management (CRM), XMPP, Erlang, Ruby on Rails (RoR), Ruby, .NET
2009 - 2012
Principle Software Architect
talkyoo
- Wrote significant portions of the web application.
- Integrated various payment gateway systems before the age of Stripe.
- Introduced Chef for infrastructure automation.
Technologies: DevOps, SOAP, VMware, Ruby on Rails (RoR), Ruby, Chef
2008 - 2009
Software Architect
TalentRun GmbH
- Improved the database-heavy app substantially along with the Percona engineers.
- Optimized the application by introducing a full-text search and moving all the necessary queries from the relational database.
Technologies: Sphinx Search Engine, Memcached, MySQL, Zend Framework, PHP
2007 - 2008
Junior Engineer
Acculogic, Inc.
- Built a new circuit testing algorithm to improve the performance of the checks against golden boards.
- Constructed custom solutions for Intel to use with their circuit testing machinery.
- Implemented a new circuit testing system using magnetic fields.
Technologies: C++, Integrated Circuits, Information & Communications Technology (ICT)
Experience
Eblotter
Role: CTO | Co-founder
• Designed and developed a price discovery platform for ETL brokers for one of the major securities brokerage firms.
• Built Eblotter with React and Redux on a Ruby on Rails API with PostgreSQL as the datastore.
• Designed and developed a price discovery platform for ETL brokers for one of the major securities brokerage firms.
• Built Eblotter with React and Redux on a Ruby on Rails API with PostgreSQL as the datastore.
Universal Ctags
https://ctags.io/• Forked exuberant Ctags and moved it to a new organization with the amazing work of Masatake Yamato.
Linux | EDKII | EFI | KVM | Qemu
• Fixed initialization of SATA devices.
• Added several protocols and fixes to the open-source UEFI bootloader and Qemu to unmodified macOS to boot in Qemu.
• Added an implementation of an HFS+ filesystem driver to EDKII.
• Created custom Linux boot images to migrate VMware ESXi to Linux.
• Added several protocols and fixes to the open-source UEFI bootloader and Qemu to unmodified macOS to boot in Qemu.
• Added an implementation of an HFS+ filesystem driver to EDKII.
• Created custom Linux boot images to migrate VMware ESXi to Linux.
MPlayer | FFmpeg
• Executed the AltiVec CPU optimizations in the FFmpeg Swscaler.
• Implemented savage graphics for the VIDIX driver.
• Implemented an NSV demuxer.
• Added seeking in Real files without an index.
• Created the first Musepack decoding patch.
• Implemented savage graphics for the VIDIX driver.
• Implemented an NSV demuxer.
• Added seeking in Real files without an index.
• Created the first Musepack decoding patch.
Spca5xx Generic Linux Camera Driver
• Ported Spca5xx to Kernel 2.6.
Embedded Linux and Android Work
• Created Yocto-embedded Linux images for an iMX6 platform.
• Built custom Android images for home video and Mako-based CyanogenMod devices.
• Built custom Android images for home video and Mako-based CyanogenMod devices.
Go FreeNAS API Client
https://github.com/fishman/go-freenas• Wrote a Go FreeNAS API client for use with the Terraform provider that I created.
FreeNAS Terraform Provider
https://github.com/fishman/terraform-provider-freenas/• Created a Terraform FreeNAS provider to manage the NAS from Terraform, making it much nicer and easier to use in production environments.
Satellite Communication Simulator
I added layer 2 to a niche network simulator to simulate layer 2 behavior for Inmarsat satellites. This allowed simulating communication for FDR P2P transfers in Inmarsat zones to estimate the optimal data transfer between planes.
Added Nuvoton | Ducky Support to QMK | ChibiOS
https://qmk.fm/QMK is an embedded keyboard distribution that runs on ChibiOS—an RTOS. I added support for a keyboard I bought and used for a while.
The keyboard uses a Nuvoton NUC123 SoC. I first mainlined support for the Nuvoton platform to ChibiOS and then mainlined the keyboard support to QMK.
I am currently working on porting the platform to Zephyr.
The keyboard uses a Nuvoton NUC123 SoC. I first mainlined support for the Nuvoton platform to ChibiOS and then mainlined the keyboard support to QMK.
I am currently working on porting the platform to Zephyr.
Skills
Languages
Python, Ruby, Assembler x86, C++, C, Solidity, Embedded C, Java, Erlang, PHP, Go, Kotlin, GraphQL
Frameworks
Angular, OpenFaas, AWS HA, Truffle, .NET, Django, Ruby on Rails (RoR), Flux
Libraries/APIs
Ruby on Rails API, Node.js, TensorFlow, Java Security, React, Vue, RQ, Spark ML
Tools
Packer, GitLab CI/CD, GitLab, GitHub, Git, RSpec, Vim Text Editor, Terraform, AWS CloudFormation, Ansible, Helm, Wireshark, Azure Kubernetes Service (AKS), Jenkins, Logstash, Kibana, Elastic, RabbitMQ, Shell, Puppet, Chef, Kafka Streams, VMware, Google Compute Engine (GCE), Google Kubernetes Engine (GKE), Apache Airflow
Paradigms
DevOps, DevSecOps, Agile Software Development, REST, Fuzz Testing, Continuous Integration (CI), Continuous Delivery (CD), Penetration Testing, API Architecture
Platforms
Amazon Web Services (AWS), Azure, KVM, Ubuntu, Docker, Kubernetes, Windows, Linux, Google Cloud Platform (GCP), Apache Kafka, Solaris, Android, AWS Lambda, Azure Functions, Oracle, WordPress, Windows Server, Heroku, Ethereum, Blockchain, Kernel, OpenShift, Icinga, AWS IoT
Storage
Ceph, Redis, NoSQL, MySQL, Memcached, Google Cloud, Data Pipelines, Elasticsearch, Database Performance, PostgreSQL, MongoDB, GlusterFS, ClickHouse
Industry Expertise
IT Security, Security
Other
Cloud, Virtualization, WiFi, SANs, Software-defined Data Centers (SDDC), Performance, Performance Analysis, Back-end Performance, UEFI, Agile Software Testing, Project Management Professional (PMP), CISSP, Linux Internals, Software Engineering, Architecture, Software Architecture, Big Data, Big Data Architecture, Time Series, Stream Processing, Streaming Data, Machine Learning Automation, Authentication, IoT Protocols, Wireless Networking, IoT Security, Fintech, Cloud Security, CI/CD Pipelines, Site Reliability Engineering (SRE), Cloud Architecture, APIs, GitOps, Long-term Evolution (LTE), Unified Threat Management (UTM), Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), Security Audits, PXE, SOAP, Windows Internals, Cryptocurrency, OpenZeppelin, Cryptography, ARM, XMPP, Customer Relationship Management (CRM), Boot, BladeCenter H, Remote Desktop Protocol (RDP), Information & Communications Technology (ICT), Integrated Circuits, CruiseControl, Prometheus, Real-time Operating System (RTOS), ChibiOS/RT, CTO, Mentorship & Coaching, Leadership, FreeNAS, SaaS, ARIS Cloud, DevOps Engineer, Industrial Internet of Things (IIoT), Embedded Systems, Internet of Things (IoT), Machine Learning, Payment APIs, Argo CD, Card Payments, Kyverno
Education
2002 - 2007
Master's Degree (Diplom Ingenieur) in Computer Engineering
Hamburg University of Technology - Hamburg, Germany
Certifications
DECEMBER 2017 - DECEMBER 2020
Certified Information Systems Security Professional (CISSP)
(ISC)2
AUGUST 2017 - AUGUST 2020
Project Management Professional (PMP)®
PMI | Project Management Institute