Patrick Florek

I love launching sophisticated applications 🚀 I'm here to automate our processes, to give our team objectives and responsibilities, to help managing technical debt, to decide on strategic architecture, to evolve software incremental and iteratively, match project targets 🚄

Skills

AWS

5+ Years

CFN
SAM
CDK
EKS
ECS
ES
ALB
RDS
DynamoDB
SNS
SQS
SES
S3
EFS
CloudFront
CloudWatch
StepFunctions
Batch
Athena
Glue
IAM
EC2
EBS
VPC

Backend

10+ Years

Java
Groovy
Kotlin
Spring Boot
Quarkus
TypeScript
Node.JS
NestJS
Golang
PHP
Zend
Symfony
Laravel
Python
FastAPI
GraphQL
OpenAPI

Frontend

10+ Years

JavaScript
TypeScript
HTML5
CSS3
Webpack
Angular
Polymer
WebComponents
React
NextJS
Tailwind CSS
Bootstrap
BEM
AtomicDesign

Methodologies

10+ Years

Design Patterns
SOLID Principles
Clean Code
Test-Driven-Development
Domain-Driven-Development
Microservices
Serverless
Event-Driven-Architecture
CI/CD Pipelines
Agile project management

Work Experience (20)

Baden-Württemberg

HiL
GitOps
Python
GitLab CI
GitHub
DataDog
Grafana
Jenkins
Groovy
Golang
Flask
FastAPI
Docker
Debian
Linux
Kaniko
Artifactory
CANoe
Serial
REST
OpenAPI
JSON
YAML
HTML
WebSocket
DLT
DoIP
QNX
NVIDIA Orin
NVIDIA Tegra
ADAS
CI/CD
CleanCode
Test-Driven-Development
Linters
Agile
Mural
Jira

Design and develop a CI/CD-driven platform and framework for Hardware-in-the-Loop testing. Automate software testing and flashing for the autonomous driving control unit. Collaborate, mentor or coach multiple international teams in the internal developer community.

Enhanced overall project efficiency by developing and enabling new automated test cases and critical test features
Maintained consistently low testing times, while ensuring high reliability and stability
Mentored and coached team members in adding new test features and enhanced their development skills
Led individual topics like supporting different platforms, migrations or adding new capabilities
Influenced best practices across the department, modernized development workflows and build up a development community

Nordrhein-Westfalen, Germany

AWS
CDK
GitLab CI
Architecture
Technical Debt
Serverless
Cost effective
Near Shoring
Hands-On
Training on the Job
Agile project management

Create a team of cross-functional specialists and team players developing modern applications. Promote on-premise, cloud and hybrid architectures. Increase quality, reduce project time and decrease expenditure by applying principles and experience.

Successfully bootstrap and run projects and teams
Created long-term partnerships
Speed up developer careers and increase team size

Hessen, Germany

IOT
Cloud
Serverless
AWS
CDK
ALB
ECS
EKS
SES
Aurora
Docker
Kaniko
PHP
Laravel
Livewire
Composer
Tailwind CSS
AlpineJS
TypeScript
Apache ECharts
Linux
Debian Packaging
Embedded
ARM architecture
Mender
OTA Updates
Qt
C++
Golang
GitLab CI
JSON
REST
OpenAPI
OAuth
SOLID
CleanCode
Test-Driven-Development
Jira
Scrum
Kanban
Whiteboard

Take a fleet management with several architectural and security issues to launch. Setup the technical strategy, milestones, architecture, team and the agile process. Leading the team with a hands-on mentality.

Setup the CI/CD infrastructure, toolchains, serverless AWS architecture, evolutionary prototype
Assist in staffing, technical interviews and team building
Give scope, context, objectives and directions to the team members
Train on Best Practices, Design Patterns, Principles, Test-Driven-Development, Tools
Help the team to refine their own agile process, work collaborative and tightly coupled together

Berlin, Germany

AWS
Java
Spring
Maven
JSP
backbone
ReactJS
JavaScript
OpenAPI
Jenkins
Agile
Scrum
Jira

Mitigating the risks after an security assessment

Hamburg, Germany

AWS
CFN
SAM
CDK
S3
ALB
EC2
ECS
RDS
Cloudfront
Serverless
OpenAPI
API Gateway
Lambda
Grafana
Prometheus
GoLang
TypeScript
Python
Keycloak
Ory/Hydra
GitHub Actions
CodePipeline
Agile
Scrum
Miro
Jira

Maintaining the ingress proxies serving billions of requests a month for the platform

Developing serverless REST APIs for downstream teams to integrate their applications by self service
Enabling SysOps of our team to develop by infrastructure-is-code principle with the AWS CDK
Mitigating the risk of legacy code in our new projects by advocating common best practices and principles
Evangelize an agile and pragmatic approach to first ship the minimal viable feature and iteratively improve

Bayern, Germany

TypeScript
React
NextJS
Figma
Express JS
Apollo
GraphQL
AWS
CDK
S3
EKS
CloudFront
Route53
ACM
ALB
X-Ray
DataDog
Java
Spring Boot
OpenAPI
Jooq
Hexagonal architecture
Jenkins
JWT
PostgreSQL
Agile
Scrum
Miro
Jira

Developing a shop to buy cars on the marketplace. Launched after 2.5 months of development.

Leading the financing team hands-on and helping the team members to ship quickly in short increments
Reporting current bottlenecks, discussing on current problems and providing solutions
Train the backend developers to integrate and work with the GraphQL services
Reduce common pitfalls in the use of a reactive component-based UI framework
Developing either on the frontend or backend while integrating the services into AWS as DevOp

Niedersachen, Germany

AWS
EKS
ECS
S3
CloudFront
Java
Spring Boot
Docker
TypeScript
AngularJS
Bootstrap
NestJS
JSON
OpenAPI
GitLab CI
OAuth
KeyCloak
Scrum

Develop an app for hoteliers to provide additional content for their contracted accommodations. Define and align on integration, architecture and technical stories.

Align on collaboration with technical stakeholders
Setup a CI/CD Pipeline, serverless AWS architecture, the backend and frontend prototypes
Train and onboard team members on business requirements and technical solutions
Collaborate with UX/UI-Designer, Developers and Business Analysts

Niedersachen, Germany

Java
Spring Boot
Vaadin
TypeScript
LitElement
Polymer
GitLab CI
MariaDB
Flyway
Docker
OpenAPI
Kanban

Develop a solution for the production information system aiding the manufacturing process. Introduce CI/CD, system integration and iterative development.

Train team members to use GitLab CI/CD, Docker, Spring Boot, Vaadin, OpenAPI
Develop a minimal prototype with Spring Boot and Vaadin
Configure and train to use Migrations, Hibernate and Spring Data
Consult in an on-premise infrastructure and introduce a common application architecture

Hamburg, Germany

AWS
CFN
Glue
Lambda
ECS
SNS
SQS
Terraform
Serverless Framework
MongoDB Atlas
Python
TypeScript
Kotlin
Quarkus
Vert.x
Gradle
GraalVM
Docker
Oauth
Ory
Hydra
GitHub
GitHub Actions

Develop a stream based product information processor and emit change events to subsequents listeners.

Finished the starting prototypes with AWS SNS/SQS/Lambda and AWS Glue/Apache Spark/Sagemaker
Developed an event-driven stream processing pipeline with Quarkus and Vert.x

Nordrhein-Westfalen, Germany

AWS
EKS
ECS
S3
PHP
Python
Docker
CI/CD
IBM DB/2

Develop a solution for a traceable purchasing process. Integrate business intelligence services for the warehouse distribution.

Analyse the requirements by the stakeholders (purchasers, suppliers, data analysts, developers, business units)
Provide an iterative solution integrating existing workflows
Propose the strategic target architecture, the data flow and the collaboration
Consult on the features of containerization, CI/CD Pipeline, AWS architecture

Niedersachsen, Germany

AWS
CDK
ApiGateway
Lambda
EKS
TypeScript
React
Stencil
Apollo
NestJS
GraphQL
OpenAPI
Docker
Java
Spring Boot
GitLab CI
Scrum

Developed a series of Covid-19 self contained services. Defined and setup the serverless architectures.

Deploy middlewares serving millions of requests a day running on AWS Lambda and EKS
Trained the team on modern approaches of serverless architecture and reactive web components
Evolutionary prototype with short development time to production deployment

Niedersachsen, Germany

AWS
CFN
Sceptre
SAM
CDK
EKS
ECS
Batch
StepFunctions
S3
EFS
Aurora
Scrum

Analyse potential optimization and decide. Optimize the AWS operational costs. Improve the provisioned resources, instance pooling, scaling rules and file systems.

Estimate a reduction of operational costs by 60% and finally reduce costs by 75%
Reduce provisioned redundancy to match SLA and risk management requirements
Configure planned down-time in off times for test environments, reduce the amount of test samples significant
Migrate classic EC2 with AWS EKS, ECS, Batch, StepFunctions to save more with pay-on-demand
Inform about progress and further possible solutions for the business and other teams in the company

Niedersachsen, Germany

AWS
CDK
EKS
ApiGateway
Lambda
DynamoDB
SNS
SQS
Java
Spring Boot
TypeScript
NestJS
Apollo
GraphQL
GitLab CI
Docker
Scrum

Develop a Federated GraphQL API providing hotel content used on Frontend and Backend services

Train team members to setup GitLab CI, AWS architecture and to work with microservices and middlewares
Integrate data flows of legacy systems into the Federated GraphQL microservices
Propose a message driven, decoupled and serverless architecture and collaboratively develop

Niedersachsen, Germany

AWS
CFN
SAM
Lambda
S3
Aurora
GitHub
GitHub Actions
TypeScript
NestJS
OpenAPI
React
Redux
Postgres
Redis
Docker
SOLID
Kanban

Develop a platform prototype for bookable appointments. Define and setup the architecture. Train the team in agile development.

Propose a serverless architecture and reactive component based clients
Define an agile development process based on kanban
Train the team to work with component based frameworks

Niedersachsen, Germany

AWS
CFN
Sceptre
EC2
ALB
WAF
ECS
RDS
EFS
SSM
SecretsManager
Lambda
ApiGateway
SES
Java
Spring Boot
PHP
Zend Framework
Docker
Jenkins
GitLab CI
OWASP
CDN
Kanban

Migrate existing on-premise applications, microservices and data integration processes to AWS cloud.

Migrate CI pipelines from Bitbucket, Jenkins, AWS CodeCommit, CodeBuild and CodePipeline to GitLab CI
Decide with the team on the tools used and choose a lift-and-shift approach to reduce expenditures and project time
Refactor applications/services to support hybrid deployments, profile/environment configuration, containerization
Consolidate and migrate millions of images to another CDN with no downtime
Develop a scalable architecture and apply the AWS Well-Architected Framework

Niedersachsen, Germany

Java
Spring Boot
Hibernate
PHP
Zend Framework
Doctrine
Bootstrap
Linux
Docker
Jenkins
MariaDB
Bash
XML
JSON
OpenAPI
SOLID
Test-Driven-Development
CleanCode
Kanban

Take over a legacy cluster of content processing applications to develop and maintain. Finish the migration of a microservice cluster for producing pdf travel documents and offerings to launch.

Add dependency manager, unit tests, coding standards and bumped the version of every software artifact
Propose several software design decisions to reduce development risks and improved the development process
Train the use of test framework, containerization, layered architectures, data mapping frameworks and dependency injection

Niedersachsen, Germany

PHP
Symfony
JavaScript
Polymer
MySQL
Docker
REST
ElasticSearch
Kibana
RabbitMQ
AtomicDesign
Event-Driven-Architecture
Test-Driven-Development
SOLID
Scrum

Develop several features for project of well known fashion brands. Develop a content editor module in the digital asset management, a recurring order service, an invoice print service. Integrating product information management systems, payment providers and order management systems.

Setup a containerized development environment improving the local provisioning
Develop backends and frontends by using scaffolding techniques in half of the planned time
Minimize errors and increase maintainability by applying SOLID principles and test driven development

Nordrhein-Westfalen, Germany

Java
Kotlin
Spring Boot
Axon Framework
Vaadin
MongoDB
Docker
Nexus
Jenkins
SonarQube
Domain-Driven-Design
CQRS
Event Sourcing
HATEOAS
Swagger
GitHub

Develop the administrative context in the domain of structure and agency based access control. Implement the backend micro services and REST API with JSON+HAL.

Apply a hexagonal architecture with CQRS and Event Sourcing
Maintain a high coverage of unit tests, above 90%
Work with the frontend developers on a shared interface as collaborative contract

Niedersachsen, Germany

PHP
Zend Framework
MySQL
SolR
OLAP
JSON
XML
SOAP
HTML5
CSS3
BEM
JavaScript
Bootstrap
jQuery
Bitbucket
Linux
Docker
Vagrant
Kanban

Develop and maintain the custom E-Commerce framework. Develop instances, features, integrations and modules in projects of well known fashion brands. Administer and maintain the production environment.

Setup an OLAP cube for faster and customized reporting, order analytics and key performance indicators
Train the team to work with Docker, object oriented patterns, SOLID principles and unit tests
Identify performance bottlenecks and architectural issues for an iterative and evolutionary improvement
Take over the technical responsibility for projects and team members of a quitting team lead

Nordrhein-Westfalen, Germany

SEW CodeSys
Beckhoff TwinCAT
IEC 61131
Webfactory 2010
CANopen
ModBus
MSSQL
Microsoft Access
Subversion
Windows
Active Directory
Linux
JavaScript
Durandal
KnockoutJS

Develop and maintain the process and plant control application in a cluster of fresnel collectors producing mega watts of solar power.

Administer the server and client infrastructure and apply data security principles and best practices
Train the team members to use version control systems and to apply more design principles
Develop a prototype for the migration from SEW CodeSys to Beckhoff TwinCAT and modularize by PackML/ISA-S88 standards
Develop collaboratively a light sensor with a heat shield protecting from overheating in 200 times concentrated sun light
Develop a responsive web application facing the HMI and Scada systems for production process visualization

Awards

2022

AWS Community Builder

Amazon Web Services (AWS)

The AWS Community Builders program offers technical resources, education, and networking opportunities to AWS technical enthusiasts and emerging thought leaders who are passionate about sharing knowledge and connecting with the technical community.

Certificates

2022-08-12

AWS Certified Solutions Architect – Associate

Amazon Web Services (AWS)

https://www.credly.com/badges/ef8c6b2e-25d8-4752-bee0-513c363cfdb2/public_url

2021-12-27

AWS Certified Developer – Associate

Amazon Web Services (AWS)

https://www.credly.com/badges/3debddaf-e187-4020-a296-a9d50b8ebdfe/public_url

2020-04-03

AWS Certified Cloud Practitioner

Amazon Web Services (AWS)

https://www.credly.com/badges/2734f427-75eb-4b8d-966e-a4620819afb2/public_url

Languages

German

Native speaker

English

Fluent