Joni Hahkala

Joni Hahkala Email and Phone Number

Senior Java and DevOps Engineer @ GRASS GmbH Bad Kreuznach
Bad Dürkheim, RP, DE
Joni Hahkala's Location
Mannheim, Baden-Württemberg, Germany, Germany
Joni Hahkala's Contact Details

Joni Hahkala work email

Joni Hahkala personal email

n/a
About Joni Hahkala

Experienced Software Engineer and Architect with skills in Java and Android development, DevOps, Cryptography and Computer Science. Strong information technology professional with a Master of Science (M.Sc.) in Computer Science from Aalto University.

Joni Hahkala's Current Company Details
GRASS GmbH Bad Kreuznach

Grass Gmbh Bad Kreuznach

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Senior Java and DevOps Engineer
Bad Dürkheim, RP, DE
Website:
grass-gmbh.de
Employees:
22
Joni Hahkala Work Experience Details
  • Grass Gmbh Bad Kreuznach
    Senior Java And Devops Engineer
    Grass Gmbh Bad Kreuznach
    Bad Dürkheim, Rp, De
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  • Airplus International
    Senior Java Developer
    Airplus International Sep 2024 - Present
    Neu-Isenburg, Hesse, Germany
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  • Vitagroup
    Senior Backend Developer
    Vitagroup May 2019 - Jan 2024
    Mannheim Area, Germany
    Developed medical data processing, transformation, storage and communication systems linking hospitals and doctor's practices. Implemented CI/CD system with releases and deployments to Kubernetes clusters.
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  • Vitaliberty Gmbh
    Senior Backend Developer
    Vitaliberty Gmbh Dec 2018 - Apr 2019
    Mannheim Area, Germany
    Implemented new features; restructured, simplified and brought up to date existing code; defined apis. Used: Spring boot, Netflix stack, Kafka, Docker, Microservices. Maintained the Android app.
  • Vitaliberty Gmbh
    Senior Anroid Developer
    Vitaliberty Gmbh Mar 2018 - Nov 2018
    Mannheim Area, Germany
    Planned and implemented new app screens and features. Restructured and brought up to date the app codebase and database structure. Defined backend APIs. Used: Live data, data binding, Dagger 2.
  • Baden-Wuerttemberg Cooperative State University (Dhbw)
    Lecturer
    Baden-Wuerttemberg Cooperative State University (Dhbw) May 2018 - Jul 2018
    Course on Distributed Systems for the International Management for Business and Information Technology program.
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  • Syneidis
    Co-Founder, Technical Lead
    Syneidis Jan 2015 - May 2017
    - Technical and functional design of a secure cloud storage system. - Android app, REST JSON Java Spring Boot web service, MongoDB and Infinispan backend. - Dropbox, Google, LinkedIn, Twitter and Facebook integration. - Cloud deployment, system hardening, system administration.- Subcontracting task definitions and management.
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  • Icevault
    System Architect
    Icevault Jan 2014 - Dec 2014
    Designing and developing high security bitcoin vallet and escrow services.
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  • Helsinki Institute Of Physics
    Project Researcher @ Cern
    Helsinki Institute Of Physics Jun 1999 - Dec 2014
    Geneva Area, Switzerland
    2013 – 2014 Design and implementation of secure distributed storage:- Data distribution by striping with Reed-Solomon Forward Error Correcting codes.- Key distribution using Shamir’s secret sharing scheme.- Java client and Tomcat java servers with Infinispan DB.2004 – 2012 Enabling Grids for E-sciencE (EGEE) I, II, III and EGI:- Head of security work package in EGEE II.- Research and further development of the security systems.- Contributing member of the operational security, risk management and virtualorganization management groups.- Source code management, testing, releases, linux packaging, support.2002 – 2003 European DataGrid project:- Design and implementation of a java authentication and certificate verificationsystem for the globally distributed computing Grid.1999 – 2002 TuoviWDM project :- Data visualization and Windows shell integration for a document managementsystem that became a successful spin-off company.
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  • Helsinki Institute Of Physics
    Developer
    Helsinki Institute Of Physics Jun 1996 - May 1999
    Geneva Area, Switzerland/Helsinki, Finland
    Data visualization and user interface work for TuoviWDM project.
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  • Cern (European Organization For Particle Physics Research)
    Reseacher
    Cern (European Organization For Particle Physics Research) Jun 1999 - Dec 2014
    Geneva Area, Switzerland
    View

Joni Hahkala Skills

Grid Computing Computer Science Linux Distributed Systems Java High Performance Computing Bash Python Latex Algorithms Cryptography Scientific Computing Network Security Data Security Programming Open Source Machine Learning Shell Scripting Cloud Computing Cluster Data Privacy Open Source Software Android Development Mongodb Bitcoin Protocol Json Restful Intefaces Rpm Packaging Spring Boot Jira Agile Methodologies

Joni Hahkala Education Details

Frequently Asked Questions about Joni Hahkala

What company does Joni Hahkala work for?

Joni Hahkala works for Grass Gmbh Bad Kreuznach

What is Joni Hahkala's role at the current company?

Joni Hahkala's current role is Senior Java and DevOps Engineer.

What is Joni Hahkala's email address?

Joni Hahkala's email address is jo****@****cern.ch

What schools did Joni Hahkala attend?

Joni Hahkala attended Aalto University.

What skills is Joni Hahkala known for?

Joni Hahkala has skills like Grid Computing, Computer Science, Linux, Distributed Systems, Java, High Performance Computing, Bash, Python, Latex, Algorithms, Cryptography, Scientific Computing.

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