David Hagege

David Hagege Email and Phone Number

CTO at ListenField @ ListenField
David Hagege's Location
Tokyo, Japan, Japan
David Hagege's Contact Details
About David Hagege

As a KISS Developer with a passion for innovation, I am dedicated to building projects that make a positive impact on people's lives.I believe that the key to successful software development is controlling complexity, and I strive to create the simplest solutions possible for the most complex problems.With 15 years of experience building applications, I am proficient in front-end, back-end, and DevOps.I can also develop mobile apps and hardware-based solutions.My creativity and entrepreneurial spirit are constantly fueling new start-up ideas that I am excited to bring to life.Find my full resume here: https://resume.joynetiks.comGithub: https://github.com/pcboySpecialties: Very good experience with Linux (Mostly Gentoo Linux since 2000).Good skills in: Ruby, Ruby on Rails, Typescript, NextJS, GCP, AWS, DevOps, Postgres, PostGIS, Kubernetes, Terraform, Redis, ElasticSearch, Grafana, C and C++, Esp32/esp8266, Arduino, 3D printing, Docker, React, Mobx, Cross Platform dev (Win/OSX/Linux), Bash, PHP, Sqlite, Xlib, Gtk, Qt, [Cmake, CPack, CTest], vim, SQL, NoSQL, CI/CD, SASS/HAML/Compass, d3.js, Android SDK/NDK, Scala, CoffeeScript, Buffer Overflow exploitation (e.g ASLR + NX ON, ROP) and more!...FrontendReact, Mobx, Typescript, Tailwind, Prisma, Fastify, HAML, Slim, Sass, CSS3, Firebase, d3.js, Responsive, Bulma, GTK, QtBackendRuby on Rails, ElasticSearch, Postgresql, PostGIS, GEE, NextJS, Express, Enzyme, Sequelize, Memcache, Sidekiq, RSpec, Grafana, Zsh, MQTT, Scala, Redis, InfluxDB, NoSQL, RabbitMQ, Make, C, C++, VimDevOpsLinux (Gentoo 22 years exp), CI/CD, AWS, GCP, PubSub, CloudRun, Kubernetes, Terraform, Serverless, Traefik, Gitlab, Helm, Caddy, Docker, Plan9HardwarePCB design, CAD, Arduino, ESP32, ASM, 3D PrintingMobileAndroid, SDK, NDKSecurityPE infector in asm x86, Buffer overflow exploitation, ROP gadgets (ASLR bypass), SQL injection, XSS/CSRF, OWASP top 10, Cloud Armor.

David Hagege's Current Company Details
ListenField

Listenfield

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CTO at ListenField
David Hagege Work Experience Details
  • Listenfield
    Cto
    Listenfield Mar 2021 - Present
    Nagoya, Aichi, Jp
    Agritech: Integrated Predictive Agronomic Platform (~30 people start-up). Working with Satellite images to estimate farmers fields' health and when their crops will bloom.
  • Joynetiks
    Founder / Software Engineer
    Joynetiks Jul 2020 - Present
  • Zeppelin Inc.
    Lead Software Engineer
    Zeppelin Inc. Jul 2020 - Dec 2020
    Shibuya-Ku, Tokyo, Jp
    Making the Impossible Possible.
  • Bilingual Recruitment Solutions
    Technical Lead At Bilingual Recruitment Solutions
    Bilingual Recruitment Solutions May 2019 - Jul 2020
    千代田区, 東京都, Jp
    Developed a chrome extension that significantly improved the efficiency of recruiters and saved the company millions of yen.Identified and remedied multiple security vulnerabilities in the company's servers and processes.Set up and supervised Kubernetes clusters with Terraform on GCP to provide easy deployment of all their services. Implemented SSO to protect their services.Created a new website from scratch using React and Rails with Elasticsearch integration, providing a faster and more effective search experience that was fully synchronized with the company's Salesforce system.Made all technical decisions and adhered to really strict compliance regulations.Introduced automatic testing for the engineering hiring process, resulting in a 80% reduction in the number of applicants and saving hours of interview time.
  • En-Japan | Artificial Intelligence Human Resources
    Software Engineer
    En-Japan | Artificial Intelligence Human Resources Dec 2014 - May 2019
    Shinjuku-Ku,, Tokyo, Jp
    Worked on Vibe.work, a tool to analyze your team's morale with machine learning.Developed a highly popular team building platform called https://ludo.team, which continues to have over a thousand active users per month and has attracted clients such as Electronic Arts and BestBuy.Implemented an RPA solution that saved the company nearly 1 million USD annually.Mentored coworkers in Ruby on Rails and provided programming instruction to non-technical team members.Created enscalator, an open source tool for generating AWS CloudFormation templates, saving hundreds of hours of DevOps work within the team.Developed web crawlers to efficiently crawl and index thousands of job postings from across the web.
  • Orange Labs Tokyo/Seoul
    Research Engineer
    Orange Labs Tokyo/Seoul Jun 2012 - Dec 2014
    Issy-Les-Moulineaux, Île-De-France, Fr
    Developed Android apps with a Scala frontend and Ruby backend.Utilized a Kinect sensor to track consumer behavior and gather data on in-store customers.Designed and implemented a hot desk system using mobile phones, wireless charging, and Miracast technology. Had to hack my own Android ROM to make it work seamlessly.Worked on a solution for remotely controlling Android phones for technical support purposes.
  • Myndpage
    Founder
    Myndpage Apr 2011 - Apr 2012
    This is the best company I've ever seen. Everything is so smooth, the communication is great. No useless meetings to plan the next one. And we are working at the edge of technology all the time!
  • Lacie
    Software Development Engineer
    Lacie 2008 - Apr 2010
    Fremont, California, Us
  • Oxalide
    Software Development Trainee
    Oxalide Jun 2007 - Jan 2008

David Hagege Skills

Ruby Git Linux C++ Python C Bash Unix Programming Xml Vim Objective C Ruby On Rails Sql Erlang Mysql Php Subversion Software Development Web Applications Javascript This_skills_part_is_hilarious Jquery Css Qt Sqlite Cross Platform Development Gtk Apache Html Ajax Html5 Web Services Golang Hypermedia Api Scala Android Development Computer Science Operating Systems Amazon Web Services Docker Esp Esp8266 Esp32 Arduino Eagle Pcb 3d Printing Kubernetes Google Kubernetes Engine

David Hagege Education Details

  • Epitech - European Institute Of Technology
    Epitech - European Institute Of Technology
    Programming For Dummies

Frequently Asked Questions about David Hagege

What company does David Hagege work for?

David Hagege works for Listenfield

What is David Hagege's role at the current company?

David Hagege's current role is CTO at ListenField.

What is David Hagege's email address?

David Hagege's email address is da****@****ail.com

What is David Hagege's direct phone number?

David Hagege's direct phone number is +190126*****

What schools did David Hagege attend?

David Hagege attended Epitech - European Institute Of Technology.

What are some of David Hagege's interests?

David Hagege has interest in Functional Programming, Social Media, Japanese Culture And Language, Linux, New Technologies, Plan9, Colemak, Mechanical Keyboards, Operating Systems, Free Software.

What skills is David Hagege known for?

David Hagege has skills like Ruby, Git, Linux, C++, Python, C, Bash, Unix, Programming, Xml, Vim, Objective C.

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