Laurence de Jong

linkedin.com/in/laurencedejong · github.com/ldej

I'm a Dutch software engineer with over 10 years of experience in developing web applications. I provide technical leadership for small teams. My favourite language is Go, though I've had a lot of fun in Python before. You can wake me up to talk about decentralization.

Experience

Xebia · Senior Consultant | Gurgaon, India · Feb 2020 - Nov 2021

Gave talks on Google Cloud, Go Architecture, IPFS and at the bi-weekly knowledge exchange sessions.
Participated as judge at the Hackathon of the technical university in Dehradun.
Participated in the hiring process by interviewing potential new hires.

Novamedia / Postcode Lotteries · Senior Software Engineer | Amsterdam, Netherlands (remote) · Apr 2021 - Nov 2021

typescriptnodejsexpressreactgraphqlaws amplifyscrum

Developed the Deal or No Deal game for Postcode Lotteries using AWS Amplify.
Implemented NodeJS/Express endpoints for Lambdas that use TypeScript models generated from GraphQL definitions.
Developed a back-end system for generating input for lottery draws.

Action · Senior Software Engineer | Zwaagdijk, Netherlands (remote) · Feb 2021 - May 2021

gogcp cloud rungcp spannergcp cloud builddockerscrum

Created the online webshop for Action. Implemented the product catalog, ordering system and e-mails. Created the backoffice management system for products and orders.
Implemented solutions for integration with external systems for content management and finances.
Configured CI/CD with Cloud Build and created extensive unit and integration tests.

IDFC First Bank · Senior Software Engineer | Gurgaon, India (remote) · Aug 2020 - Feb 2021

gomicroserviceskubernetesgocdoracledbmulesoftscrum

Designed and integrated a fraud detection system.
Created a new microservice which includes authentication, authorization, logging, monitoring, tracing, database migrations, unit tests and integration tests.
Configured GoCD to automatically build and test.

Unifyed · Senior Software Engineer | Gurgaon, India (remote) · Mar 2020 - Jul 2020

mongodbnginxmicroservicesjenkinsscrum

Implemented performance optimizations in a number of ways including hosting static files.
Planned and upgraded their running MongoDB PSA clusters from version 3.4 to 4.2. Upgraded MongoDB drivers in all microservices and resolved compatibility issues.
Implemented automated building and deployment of the platform.

Xebia · Consultant Software Engineer | Hilversum, The Netherlands · May 2017 - Jan 2020

Gave talks on blockchain and IPFS at the bi-weekly knowledge exchange sessions. Participated in bi-monthly innovation days.
Interviewed potential new hires.
Co-organized DjangoGirls Amsterdam 2019.

Duxxie · Platform Developer | Utrecht, The Netherlands · Jun 2018 - Jan 2020

gogcp app engineevent-sourcingalgoliacircleciscrum

Tech lead for the development of the platform.
Migration of App Engine from runtime v1 to v2. Worked with and expanded the custom event-sourcing system. Implemented a catalogue search. Introduced a CMS for the product catalogue.
Onboard external suppliers on the platform and integration of their systems.

Nextail · Full-Stack Developer | Amsterdam, The Netherlands · Jun 2017 - May 2018

gogcp app enginealgoliacirclecivue.jsscrum

Launch of a multi-tenant e-commerce platform.
Incorporate legacy IBM WebSphere e-commerce backend. Implement product catalogue search using Algolia.
Leading development team with remote workers.

Contracts11 · Software Engineer | Groningen, The Netherlands · Feb 2015 - Nov 2016

pythonfalconlivescriptmithrilaws (ec2, ecs, s3)natsdockerrancherelk stackalert-managersmart contractsIoTLoRaWaN

Research and develop a language to describe business processes. Generate models, database schemas, front-end and back-end functionality based on the descriptions.
Developed a back office system for a liquor trader that could process price lists in various formats. The system could show price trends across the market and advise on selling and buying.
DevOps: Set up Jenkins, Postgres with automated migrations, monitoring, logging and alerting using ELK stack. Set up Docker orchestration using Rancher.

Paylogic · Software Developer | Groningen, The Netherlands · Sep 2011 - Sep 2014

pythondjangosqlalchemydjangopytest

Research and select a Continuous Integration tool. Set up Jenkins including a build farm.
Set up automated database generation for local development. Set up automated testing using pytest. Automated database migrations using Alembic. Analyzed and solved database performance issues.
Developed functionality for the ticketing platform.

Ytec · Junior Software Developer | Groningen, The Netherlands · Nov 2009 - Jul 2010

pythondjangojQuery

Building web shops using Python and Django. Building the front-end using JS/jQuery.

Volunteer

Coach @ DjangoGirls

Organised: 03-02-2018 - Amsterdam
Coach in Groningen on 25-05-2019, 03-11-2018, 04-11-2017, 20-05-2017, 12-11-2016, 23-04-2016, 19-09-2015, 21-03-2015, 22-11-2014
Coach in Novi Sad, Serbia on 24-10-2015

Education

Computing Science · Master of Science (MSc) · Software Engineering & Distributed Systems

2012-09 - 2015-09, University of Groningen

Technische Informatica · Bachelor of Applied Science (B.A.Sc.) · Embedded Software Engineering

2007-09 - 2012-07, Hanzehogeschool Groningen