René Weteling - Fullstack developer | Ruby | Elixir | TS | fractional CTO, Felobo B.V.

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Work Background

SemmieSoftware Engineer

Oct. 2023Amsterdam, North Holland, Netherlands · HybridAt Semmie we have a relatively simple architecture that consists of a Ruby monolith that contains an API, OMS (CRM functionality), and an advisor portal. The frontend consists of an Ionic packaged angular app distributed both to iOS and Android. My role is working on DevOps (setting up a review app system on-premise using Dokku and GitHub Actions), working with Azure, but also Rails where I've built multiple features to the API, OMS and Advisor portal.

Odido NederlandElixir | Ruby Developer

Jan. 2022 - Sep. 2023Diemen, Noord-Holland, NederlandWorking for a telecom company comes with a boatload of new challenges, ip stacks, physical devices, complicated fulfillment workflows. And to keep all of that stuff running and integrating smoothly they need quality devs. It’s a nice working environment with knowledgeable people, bleeding edge solutions and legacy from the 90ties so, it’s a devs Walhalla

WBSO Software SpecialistTechnical Subsidy Consultant

Dec. 2020 - Jan. 2022Amsterdam, North Holland, Netherlands

DPG MediaElixir Developer

Nov. 2019 - Jan. 2022Amsterdam Area, NetherlandsMyChannels (part of DPG Media) is responsible for streaming videos, games and all other sorts of digital content served on the more than 18 digital outlets from DPG media (Ad.nl, Volkskrant.nl, Trouw.nl, Parool.nl, etc...). My focus goes out to the elixir backend that serves more than 2.5 million requests a day. Keeping track of the data warehouse, AWS configuration, Fargate deployments etc.

DigiB Front-end developer

Apr. 2019 - Oct. 2019Amsterdam Area, NetherlandsDigiB is the Digital department of Brenntag, a big chemical concern. My role is to help the front-end team out with the B2B e-commerce platform built in: React with Typescript.

The Main IngredientReact | Angular developer

Feb. 2019 - Apr. 2019AmsterdamHelping TMI is always fun. Building ventures, creating MVP’s its awesome! In this period i've helped out with multiple projects of TMI: - Returnista is an app which helps users return online acquired goods. The front end is an react SPA. My role in this project is to help the existing team “get out of the hole” and deliver an overall great experience. - Vivat is the mother company of zwitserleven and others. They have an online portal, my team is responsible for the pension part of it. It’s build with Angular with RxJs and Redux

Ace & TateRuby Developer

May. 2018 - Jan. 2019Amsterdam Area, Netherlands · On-siteAce and Tate is a super cool company that creates awesome glasses for an affordable price, this model has been quite successful for them. So now they need help with the IT growing pains. My activities vary from putting out fires to creating new automated business flows to relieve manual labor.

MangroveRuby Developer

Jan. 2018 - Apr. 2018Rotterdam Area, Netherlands · HybridTankey is a loyalty platform (LP) created by Essent for there other brand EnergieDirect. The fist version of the LP is built within Essent. Meaning that linking other company's proved to be difficult, thats why they have split up Tankey from essent and builind a new and better version of the app. More info about Tankey here My role in this project: - Build a Rails Api to supply the android and ios clients with data - Build an Admin interface where you can see KPI's, export transactions and get insight in what's happening - Build a stable and tracable system, with the new GDPR rules we need to track when what concent is given etc. - Link the backend to a push notification provider (firebase) so that we can notify our users - Talk with the teams to find out what they are building next so that i can suplly the data on forhand - Create a discount calculator, and method to stack discounts - Link the api to the loyalty partners (Energie direct, and more to come), since you only get a discount when you are linked to a specific loyalty partner.

The Main Ingredient B.V.React Native / Node Developer

Dec. 2017 - Feb. 2018Amsterdam Area, Netherlands · On-siteVeiligzondermoeite started out as a experiment from ABN Amro to help their cybersecurity office create awareness with clients of ABN Amro. There are alot of cybersecurity treats that are just not preventable with a technical solution like a firewall or password resets. Human engineering is currently quite hot. Just imagine, some hacker hacked the CEO’s email account, then the CEO goes on a well deserved vacation, and then the hacks sends an email to the chief of finance to pay 10K to some IBAN account. This is a case that you can prevent with awareness and that’s why The main ingredient was tasked by ABN Amro to create this app. My role in this project: - Build a Node.js backend to supply the app with content and send Push notifications when new content is added - Build a React Native app to create awareness about cybersecurity Obviously im not the sole force behing this amazing little app, from The Main Ingredient we had a great programmer, really eager to learn and ive learned allot from him. They also have a great designer, i was really impressed with the speed and accuracy that he can execute an idea or feeling into assets. Then TMI itself, it was great working with these guys, they really know how to manage Agile projects and it was fun!

Roos, de slimme contract assistentFull Stack Engineer

Oct. 2017 - Dec. 2017Amsterdam Area, Netherlands · On-siteHalloRoos is a contract alarm platform where users can set alarms for contracts that will expire in the future so that they can switch providers on time. HalloRoos was looking to extend their functionality and needed a developer to help them reach their goals. The subject itself is somewhat sensitive, but it comes down to a pretty selection then order flow with allot of validations and constraints. Each step is communicated to an API provided to store and manage the data. My role in this project: - Build the pages as described in Rails using Slim, Sass, and CoffeeScript - Connect the pages to virtual models so that we can apply validations - Persist the validated models to the provided API

BotsquadFront-end Developer

Oct. 2017 - Nov. 2017Amsterdam Area, Netherlands · On-siteWith the BotSquad bot, you can create bots for the web, mobile and chat interfaces like facebook, slack, twitter etc. There is a beautiful studio where you can create bots using a friendly and semantic DSL. And preview the bot in real time. My role in this project: - React coding on the Chat client - Creating the API - RnD on the bot itself - Adding features

CodaisseurTeacher

Aug. 2016 - Feb. 2017Amsterdam Area, NetherlandsTo order ones mind it's good practice to relay your knowledge to others. That's precisely what Codaisseur offers me. I've started out by helping out a few times and discovered the usefulness and gratification sharing your knowledge brings.

Revolve MusicIntrim CTO / Full Stack Developer

Apr. 2016 - Sep. 2017Amsterdam Area, Netherlands · On-siteRevolve is a SaaS platform that offers a website builder for musicians. The cool thing about revolve is that its tailored especially for musicians, so there are allot of plugins / connections to other music service providers etc. My role in this project is to build and form a team of developers that can autonomously build features without degrading our code base. See through the user story to get the actual requirement and build it as clean as possible. Make the technical decisions depending the roadmap, environment etc. Most importantly make the founders dream a scalable and maintainable reality. Also prevent the startup from losing time and money in default ICT pitfalls and adding managerial layers / tools as we grow.

LeaplinesSoftware Developer

May. 2015 - Feb. 2016Amsterdam Area, NetherlandsLeaplines is a SaaS that helps company's with there on-boarding process. Providing a curriculum based on the employee's role within the company, with a clear hierarchical method of stimulating the users through there managers. The techniques used in this project are: - Rails - PostgresSQL - CircleCI - Github - Rspec with Capybara ( TDD ) And for the front-end - jQuery - React - Rails UJS My role within this project was quite diverse, from going to the clients to building software to scrum planning etc.

Click.nlFull Stack Developer

Jul. 2012 - Apr. 2015Amsterdam Area, NetherlandsApple developer, backend programmer and all-round web-developer. Including all the quirks of different browsers, operating systems databases and data management.

Biarritz Media BVFull Stack Developer

Aug. 2011 - Jun. 2012Amsterdam Area, NetherlandsBack and front-end developer for multiple websites mainproject is overstappen.nl a interactive switching platform for home base needs and connections.

CaretFull Stack Developer

Dec. 2010 - Aug. 2011Building server-sided programs, scripts and whatnot. Hopefully I'll be programming on the main CMS system called Caret. (part of Click Internet Concepts)

Click.nlFull Stack Developer

Dec. 2008 - Dec. 2010IT programmer in PERL and webdeveloper / architect for click internet concepts.

Laurens Simonse GroepFull Stack Developer

Feb. 2006 - Dec. 2008PHP developer for the compagny sites and internal sites

Weteling SupportOwner

Jan. 2006NetherlandsBuilding awesome products in a short amount of time. Utilizing best practices from agile development and common sense to create great business value. Also interested in new techniques, leading teams, building culture and helping startups find their way in the digital space. Full-stack, All round and ready for new challenges!

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