Fullstack Software Engineer
This is a printout of https://mnio.net/business
Welcome!
Like a mindful architect, I love creating software with focus on quality, sustainability and efficiency.
I gained proven experience with web technologies and distributed systems
with a passion for automation and security.

As a keen developer I am aiming for cleaner code and new challenges with every project.
Located:
Trier / Germany
E-Mail:

Github:
mn-io
Networking:
LinkedIn

Mario Neises

M.Sc.

My Profession

Managing

  • Benefits of Scrum and Agile methodology, experienced as Scrum Master and Product Owner.
  • Thinking from requirement analytics up to test case engineering.
  • Enhancing efficiency by introducing Knowledge Management and Clean Code.

Developing

  • Full-stack experience from RESTful backend services (Spring, NodeJS) up to Single Page Applications (Angular, React) and Android.
  • Aiming for horizontal scaling from monolith to microservices
    with focus on data centric workflow.

DevOps

  • Focus on Continuous Integration and Continuous Delivery with Test Driven Development.
  • Automate everything, deploy often.
  • Deliver from test to production, containerized and in the cloud.

Open for work

I am looking for projects to work as
Fullstack Software Engineer with focus on backend (architecture, security, DevOps).
  • Hands on Java17+ / Kotlin / NodeJS backend, including DevOps from CI/CD to deployment.
  • Conduct agile software projects from requirement and business analytics up to approval.
  • Focus on application security engineering regarding OWASP-Top-10 and Microsoft SDL.
  • Work with dedicated technologies and their performance-focused patterns like
    • realtime databases
      (Firebase, Suprabase, GraphQL)
    • message broker/event streaming
      (RabbitMQ, Kafka)
    • reactive programming
      (RxJava, WebFlux)
  • Rely on microservices and their orchestration via
    Kubernetes, Openshift or OCI, on-premise or in the cloud with focus on security.

Technologies

Languages

Object-oriented, functional and event driven programming.
From Async/Await to RX and streams.
  • Java
  • JavaScript, TypeScript
  • Bash, Shell
  • Scala
  • C#
  • Kotlin
  • PHP
  • XSL

Back-end

Firm with rapid application development and scaffolding.
  • Frameworks:
  • Spring(boot)
  • Kontraktor
  • NodeJS
  • Play!
  • Database and ORM:
  • MariaDB/MySQL/MS SQL
  • JPA/Hibernate
  • SQLite
  • Postgres

Tooling

DevOps related tasks to maintain the application through its lifecycle.
  • Build management/CI:
  • Maven, Gradle, Ant, Jenkins, NPM, yarn
  • Code versioning:
  • git, Pull-Request-Workflow, GitFlow
  • SVN
  • Deployment:
  • Docker, Compose
  • AWS
  • Vagrant, Ansible
  • Kubernetes, Openshift
  • Database versioning:
  • Liquibase
  • Entity Framework

Front-end

Working hand in hand with backend.
  • Single page applications:
  • Angular, ReactJS
  • HTML5 & CSS3:
  • Bootstrap, Material-UI
  • Mobile: Android

Last but not least

  • Unit & integration testing
  • Clean code and architecture
  • Working with agile/scrum toolkit
    in international teams

Experience (extract)

Work related
August 2019 - now Latest employers and contractors on demand.
July 2016 - December 2018 Software Engineer at Sprylab, Berlin, Germany
Back-end: Spring / Java, NodeJS / TypeScript, AWS, DevOps
Front-end: Angular, React / TypeScript

Axel Springer Ringier (Switzerland) - BLICK Payment Services
(Live)

KILT - Blockchain based Trust Market
(article at Heise.de)
June - Oktober 2015 Android App «Coucou - Your Social Mate» (was available on Google PlayTM)
September 2013 - June 2014 Research Employee at University of Applied Sciences Trier for
BMBF funded project
Technical Lead Developer, Play!-Framework
November 2011 - January 2013 Software Developer at Swedbank AS, Tallinn, Estonia
Internet and Mobility Department
Spring / Java, XSL / JSP, JPA / Hibernate / Liquibase

PKI with e-ID contract signing for Latvia and Lithuania

Github and code samples
June 2019 Spring Booter - Spring Boot setup with demo user account handling.
Supports DB versioning, unit-, e2e- and concurrency-tests.
June 2019 jConcurrencyOrchestra - Test framework for Concurrency testing, verfiy that your program behaves correctly on (triggered) race conditions.
March 2016 Android App - streaming data via NFC using Shark P2P framework ( APK )
February 2016,
rewritten in 2018/19		 Key Derivation Generator in ReactJS, TypeScript + Test Coverage
November 2015 Bucketsort in C + Test Coverage
February 2015 Kruskal algorithm in Scala + Test Coverage
January 2015 Examples of basic operations of Neuronal Networks, introduction for
State of the art and current issues with Neuronal Networks and Deep Learning.
April 2014 Continuous Integration Setup on Ubuntu 12.04 LTS with Jenkins, SVN, Trac
April 2014 Zebra Puzzle solver with backtracking, Java, Ant, Ivy + Test Coverage
December 2013 Solving mathematical expressions with Shunting yard algorithm,
distributed and parallel, in Java + Test Coverage

Teaching related
April and September 2016 Teaching «Java for Beginners» at University of Applied Sciences HTW Berlin
April - August 2015 Tutor at University of Applied Sciences HTW Berlin in Mathematics 2, Department Engineering Sciences
September 2013 Teaching preparatory course mathematics Integral and Differential Calculus at University of Applied Sciences Trier
January - March 2013 Voluntary teacher at «Make It Possibles» project by AIESEC, Braga, Portugal
(non IT related teaching)
October 2009 - August 2011 Tutor and Scientific Assistant at University of Applied Sciences Trier
Internet Laboratory, Computer Networks,
Object-oriented Programming, Data Structures and Algorithms
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Impressum

Bei (rechtlichen) Fragen erbitte ich zur Wahrung der Verhältnismäßigkeit
zunächst eine freundliche Kontaktaufnahme über die oben genannten Kommunikationswege.

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