Yasin Y. - DevOps Architect & Backend Developer

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Dortmund, Germany

Experience

Apr 2024 - Present

1 year 6 months

DevOps Architect & Backend Developer

Schweizerische National Bank

Designing and evolving the DevOps infrastructure in a regulated environment
Migrating, planning, and developing from a monolith to microservices (ASP.NET Core)
Setting up and maintaining CI/CD pipelines (GitLab, Jenkins) to support agile development
Managing artifact repositories with JFrog Artifactory and security scans via Xray
Migrating and integrating source code repositories (SVN → GitLab)
Operating and configuring a container platform with OpenShift
Automating deployments with Ansible, Helm, and the Ansible Automation Platform
Implementing monitoring and alerting solutions with Prometheus
Working closely with the frontend development team to optimize build, test, and release processes
Supporting the establishment of secure and scalable infrastructure processes (Secure SDLC)
Documenting knowledge and sharing it within the team
Leading refinement sessions and designing the backend architecture

May 2023 - Present

2 years 5 months

Managing Director

Team Codex GmbH

Mar 2023 - Mar 2024

1 year 1 month

Lead Platform Engineer & Security Engineer

Deutsche Bundeswehr

Designing and building a platform
Documenting and analyzing business-critical processes
Containerization with Podman
Python scripting for testing
Stakeholder management
Creating and leading internal infrastructure
Coordinating a platform team
High availability, load balancing, and certificate management with Istio
Developing ITILv3 processes
Creating multiple security concepts
Integrating IAM with applications via LDAP (GitLab, Aramis SMA)

Feb 2022 - Apr 2023

1 year 3 months

IT Consultant

Self-Employed

Feb 2022 - Feb 2023

1 year 1 month

Lead Solution Architect

Bundeskriminalamt

Designing mechanisms and patterns for handling requests
Documenting and analyzing business-critical processes
Containerization with Docker
Setting up pipelines with GitLab CI/CD for building, testing, and deploying containerized applications and Spring Boot applications
Creating and leading internal infrastructure
Developing ITILv3 processes
Using Ansible for VM installation and initialization
Coordinating three teams across six projects

Jul 2021 - Jan 2022

7 months

Cloud & Software Engineer

Service Provider

Development of a Java Spring Boot API and a standalone Spring backend
Creating and orchestrating OpenShift, MicroK8s, and Kubernetes clusters
Documenting and presenting storage and persistence in MS SQL
Setting up IP tables
Containerizing over ten applications with Docker
Building pipelines with GitLab CI/CD
Writing over ten Helm charts for cluster deployments
Installing and configuring an AKS cluster with load balancing

Jul 2021 - Jan 2022

7 months

Cloud & DevOps Engineer & Developer

EWE-Tel

Developing serverless functions in AWS Lambda and CloudFront Functions
Restructuring a Terraform monolith, splitting modules, and implementing workspaces
Creating an Ansible playbook to provision customer and developer accounts
Expanding routing tables
Developing a Java Spring Boot API and deploying it to AWS EKS
Storing and persisting data in Elasticsearch and Amazon RDS
Managing certificates with Istio
Building pipelines with GitLab CI/CD
Setting up DNS and file servers
Mirroring and snapshot backups of files
Implementing Grafana and creating dashboards
Extending OIDC in Spring Boot with OpenID claims and scopes

Feb 2021 - Jun 2021

5 months

Cloud & DevOps Engineer

Deutsche Bank

Planning and developing new web applications in Python
Provisioning cloud resources and VMs using Terraform and Ansible
Building automated dev, staging, and prod environments with Terraform
Storing and persisting data in S3 buckets
Introducing monitoring solutions in AWS CloudWatch
Extending AWS RBAC and creating load balancers
Designing and implementing a CI/CD pipeline with GitLab for containerized Docker apps
Integrating real-time data feeds for securities trading in Grafana
Developing and implementing trading algorithms on AWS Lambda
Creating data pipelines for market analysis and storing data in Elasticsearch
Deploying the containerized application to EKS
Using a NAT gateway for publishing

Jun 2020 - Jan 2021

8 months

Lead DevOps Engineer

Deutsche Bank

Developing a Spring Boot REST API in Java to calculate securities trading revenue
Deploying applications to AWS Cloud using GitLab CI/CD
Building cloud infrastructure with AWS RDS, S3 buckets, ELB, EC2, and Auto Scaling groups
Provisioning with Terraform
Configuring servers with Ansible
Building, testing, and deploying as a containerized application in AWS ECS
Extending AWS IAM and RBAC
Implementing robust backup and recovery processes in S3 and RDS
Extending monitoring tools like AWS CloudWatch and Grafana
Doing hands-on requirement analysis with clients
Coordinating infrastructure, processes, and a team of nine

Mar 2020 - May 2020

3 months

Cloud Migrant

Deutsche Bank

Designing and executing the migration of an on-premise application server to Azure
Using Terraform and Ansible to provision Azure resources
Creating an autoscaling concept with Azure VM Scale Sets
Automating provisioning of dev, staging, and prod environments with Terraform and Ansible
Using Artifactory to manage software artifacts
Creating security and networking concepts, including a NAT gateway and private endpoint in a VNet

Oct 2019 - Feb 2020

5 months

DevOps Engineer

IT of the Federal Guild Association for Orthopedic Technology

Containerization of microservices with Docker
Design and development of visual mockups, databases, and project roadmap
Creation of CI/CD pipelines with GitLab CI/CD
Development of a Python tool to speed up development
Use of Artifactory to manage software artifacts
Ensuring good practices in the DevOps process using SonarQube

Mar 2019 - Apr 2022

3 years 2 months

IT Consultant

Pexon Consulting GmbH

Mar 2019 - Sep 2019

7 months

DevOps Engineer

Pflegix

Responsible for all CI/CD pipelines of the development teams
Significantly speeding up and reducing errors in artifact delivery
Building CI/CD pipelines with Azure DevOps and Azure Pipelines
Managing Git repositories in Azure Repos
Maintaining an ASP.NET Core backend

May 2018 - Present

7 years 5 months

Partner

Otel Ihtiyac

Apr 2018 - Feb 2019

11 months

Full Stack Developer

4Grands GmbH

Frontend web development with Angular and Ionic
Implementing support team requirements into individual Angular components
Frontend testing with Cypress
Backend development with Nest.js and Node.js
Design of database models in NoSQL

Apr 2018 - Feb 2019

11 months

Team Lead / Full Stack Developer

4Grands GmbH

Jan 2015 - Mar 2018

3 years 3 months

Full Stack Developer

Enii Solutions GmbH

Mar 2014 - Mar 2018

4 years 1 month

Full Stack Developer

Enii Solutions GmbH

Design and development of mockups, databases, and project roadmaps for backend and frontend (headless CMS)
Co-development of a B2B trading platform between hoteliers and suppliers
Orchestration with Docker and Docker Compose
Deployment of containers on AWS Cloud
Creation and extension of AWS RBAC
Frontend testing with Cypress
Load balancing of frontend and backend
Deployment and administration of NoSQL databases
Leadership of a six-person team with requirements analysis, ticketing, and management
Implementation of OAuth2 and role and permission management