Henricus Louwhoff

Curriculum vitae

Henricus Louwhoff

Email: henricus@louwhoff.org

Birthday: 1982

Languages

• Dutch (ILR Level 5 – Native proficiency)
• English (ILR Level 4 – Full professional proficiency)

Sites

• http://github.com/hl
• https://elixirforum.com/u/hlx
• https://henricuslouwhoff.com

Work Experience

Chief Technology Officer (2019-current)

J&S Services

• Building product aggregator platform for multiple marketplaces and webshops (200M+ product variants) (Elixir/PostgreSQL)
• Building order aggregator and processor platform for multiple marketplaces and webshops (Elixir/PostgreSQL)

Chief Technology Officer (2015-2019)

Just in Ten

During this time I was working for an investment company with the following responsibilities:

• Technical advice for new or running projects and companies
• Setting up the IT department
• Programming the initial MVP or help set up the final product

Novatargeting

• Build a user re-targeting system for the affiliate market (Python/DynamoDB)
• Build an automated bidding system (Elixir/PostgreSQL)

MVP Digital

• Build the backend for a proxy network (Elixir/PostgreSQL)
• Build the hardware nodes for the proxy network (RaspberryPI)

MyMobia

• Advice for building an affiliate marketing CMS (Ruby/RethinkDB)
• Build a broadcast text message system (Elixir/PostgreSQL)

Advalley

• Set up the IT department by moving outsourced work in-house
• Build a new hotel reservation system (Ruby)

Chief Technology Officer (2014-2015)

Clickdealer

• Responsible for tracking system and campaigns (PHP)
• Building new tracking system for campaigns (PHP)

Senior Software Developer (2013-2014)

SEOshop (Lightspeed)

• Maintaining legacy e-commerce platform (PHP)
• Build new e-commerce platform to replace legacy platform (PHP)

Chief Technology Officer (2010 - 2013)

SD&P Global

• Responsible for day-to-day IT operations, planning, and management
• Designing new web/mobile products and services (PHP)

PHP Programmer (2010 - 2013)

SD&P Global

• Maintaining front-end/back-end systems (PHP)
• Developing new front-end/back-end systems (PHP)
• Creating and maintaining B2B API connections (PHP)
• Developing products and systems with international Payment API's (PHP)
• Developing products and systems with international Mobile Billing API's (PHP)
• Technical assistance for international Affiliate partners/networks (PHP)

Web programmer (2009 - 2010)

Interveste Groep BV

• Building and maintaining internal web-based products and services (PHP)

Groupware Engineer (2008 - 2009)

Staffplanning groep

• Building and maintaining internal Lotus Notes databases and applications (Lotus Notes)

Designer (2004 - 2009)

Freelance

• Designing and developing websites and web applications

Webspecialist (2000 - 2008)

IT Construction Company BV

• Designing client websites
• Building client templates for use in company's CMS

Personal projects

PECAN (2017 - current)

Elixir, PostgresSQL, CoackroachDB, ElasticSearch, Nginx, Kubernetes

Phoenix E-Commerce API-first Node build as an umbrella app:

• pecan - business logic (Ecto)
• pecan_api - api layer (GraphQL)
• pecan_pay - payment gateway
• pecan_web - routing layer (Phoenix)

Technical

Skills

Education

Eduvision (2008)

PHP Professional

• Certificate PHP Professional

Koning Willem I College (1997 - 2000)

System Engineer

• Diploma System Engineer