Gertjan is a senior developer, capable of leading a team as a tech lead, scrum master or product owner as long as a large part of his time is spent on writing and/or designing code.
He believes that there is no one best programming language, framework or methodology but that they are all just tools to get the job done. If asked though, his preference lies in functional programming languages that run on the JVM
Senior Developer with a strong experience in Java, .Net and Scala, with excursions to Javascript, Ceylon, Python and Objective C
Specialties: Reactive Applications (Akka), Web based applications, Enterprise Content management, Agile development, Functional programming
Scala Developer @ As a Scala developer building data driven reactive applications and integrations that allow our customers to charge their electric vehicles and manage their chargepoints.
As a Devops making sure these applications can be deployed with one click From April 2014 to Present (1 year 9 months) Amsterdam Area, NetherlandsSenior Product Developer @ As a Technical Product Owner it is my job to translate requirements (epics) from Product Management into user stories for the team to pick up while validating the architecture within our architecture group.
As a Senior Developer i'm part of the team that implements the stories in an agile way in Java, .Net and/or javascript
My main responsibilities are in the targeting and personalization add ons to the Tridion Suite, namely SmartTarget, Outbound E-mail and Audience Manager From January 2011 to March 2014 (3 years 3 months) Product Developer @ Certified Scrummaster From February 2008 to February 2011 (3 years 1 month) Freelance Software Engineer @ Functional/Technical Design, Proof of Concepts, Consulting on concept/design/implementation of websites/webapplications From October 2007 to January 2009 (1 year 4 months) Amsterdam Area, NetherlandsInternet Architect @ Functional Design specifications for websites,
QA for contracted programming teams,
Proof of Concepts and consultancy From January 2007 to October 2007 (10 months) Amsterdam Area, NetherlandsSr Software engineer @ design/build/maintenance of mostly asp based websites
design/build of java spring/cocoon based webapplications From March 2001 to October 2007 (6 years 8 months) Amsterdam Area, NetherlandsSoftware engineer @ Development on their in house web based applications. in asp/vb/com
Responsible for their sonic ESB implementation From 2005 to 2006 (1 year) Software Engineer @ @IND, building web applications in asp/com+, maintenance oh their java based ESB implementation. From 2004 to 2005 (1 year) Senior web developer @ design/build/maintenance of asp based websites From 2000 to 2004 (4 years) Amsterdam Area, NetherlandsWeb developer @ building websites in asp From March 2000 to September 2000 (7 months) GIS developer @ data management, developement, analysis within GIS (ArcInfo) From 1996 to 2000 (4 years)
Gertjan Assies is skilled in: Scala, Java, .NET, Web Applications, REST, Akka, Spray, Functional Programming, Agile Methodologies, Tridion, JavaScript, Scrum, SOA, Web Development, Spring