Tijn Porcelijn work email
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Tijn Porcelijn personal email
Senior software developer with wide expertise.Linux and C++ at heart.I strive to see code evolve over a long period where small increments can gradually change a product's architecture -- improving end-user value while reducing bloat and size.I believe in craftsmanship, eating your own dog food and taking ownership.
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Software EngineerJuvolyThe Hague, Zh, Nl -
Senior Software DeveloperUnified Streaming Aug 2014 - Aug 2024Amsterdam Area, NetherlandsDeveloped MPEG-DASH and HLS packager that works either as off-line CLI tool or as JIT http origin. The latter (implemented as apache or nginx module) allows live streaming ingest for media using fmp4 or mpeg2 transport stream containers. The ingested media is repackaged and stored on disk as CMAF. Besides live ingest and egress I designed and built live MPD capture and remix workflow related to nPVR archive.At the elementary streams level my main expertise is in subtitles. I implemented the iso/iec 14496-30 wvtt codec and transcode interop with textual WebVTT, TTML (imsc1) and cea 608 embedded captions. Other codecs I worked on are h264, AV1, AAC, AC3 and DTS-X. I played a minor role in DRM (buzzwords: Widevine, PlayReady, Fairplay, AES128, Common Encryption) and timed metadata (SCTE 35, CableLabs).Technologies: C++17, BASH, Python, Subversion, Jenkins, LXC/Incus, Docker, Linux, Windows, Intel/AMD and ARM. -
Senior Java DeveloperLivewords Oct 2012 - Jul 2014Amsterdam Area, NetherlandsLivewords, at the time, was small start up. We offered a Java-based SaaS product to internationalize existing websites. It comprised a reverse proxy that does just-in-time text substitution, a website crawler and a translation memory / management interface.We had a successful MVP when I joined, so my main contribution was to build out new features and professionalize the development process. I introduced test driven development concepts, created and ran a CI environment. Proceeded to automate the deployment process and set up service monitoring.Meanwhile in the code base, while building stuff, I added unit tests, DB migrations, integration tests. With seat belts in place, we could safely proceed refactoring for clarity, organizational separation or efficiency.I learned a bunch about front end development, Java, Javascript, XML and HTML. -
Principle Software Engineer, Q-Go Match EngineOracle | Rightnow Jan 2011 - Sep 2012Amsterdam Area, NetherlandsArchitect and developer C++, python, php, bashTechnical lead Match Engine teamScrum masterSystem administrator (VMware, Jenkins CI, SVN, Jira, ...)In January 2011, Q-go was aquired by RightNow, which in turn was bought by Oracle October 2011. -
Senior C++ DeveloperQ-Go Jun 2007 - Jan 2011Architect and lead developer C++, python, php, bashTechnical lead Match Engine team
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Software EngineerFrog Navigation Systems Feb 2006 - 2007Worked as Java developer on supervisory system for Euromax container terminal.- Holonics AVG - Crane interaction (from UML design to working code)- Stateless CORBA - SOAP bridge (using JMS middleware)
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Scientific DeveloperTilburg University 2005 - Feb 2006Scientific programmer for MITCH (http://ilk.uvt.nl/mitch) project at Naturalis, the Dutch National Museum of Natural History (http://www.naturalis.nl). Though located in Leiden, I was officially employed by Tilburg University. -
Scientific DeveloperNaturalis Biodiversity Center 2005 - Feb 2006Scientific programmer for MITCH (http://ilk.uvt.nl/mitch) project at Naturalis, the Dutch National Museum of Natural History (http://www.naturalis.nl). Though located in Leiden, I was officially employed by Tilburg University. -
Software EngineerInfor Global Solutions 2001 - Dec 2004Worked as C++ developer on contstraint solver component of Advanced Scheduler. Intensively used ILOG's constraint solver libraries in MSVC.- About InforAfter buying Infor GMBH, Agilisys changed its name to Infor Global Solutions in 2004. In turn, Agilisys originates from SCT's (Systems & Computer Technologies Corp.) Process division which was sold to investors Golden Gate Capital & Parallax in 2002 and renamed to Agilisys. I joined SCT as a Software Engineer a year before the first name change and witnessed it growing from less 100 employees to over a 1000. -
DeveloperSentient Machine Research Group | Smr-Group 1997 - 1999Implementation, delivery and support of parser/translator for newspaper adds for De Telegraaf.Design and development of web index clustering technology for Ilse search engine.
Tijn Porcelijn Skills
Tijn Porcelijn Education Details
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Computational Linguistics -
Technische Informatica
Frequently Asked Questions about Tijn Porcelijn
What company does Tijn Porcelijn work for?
Tijn Porcelijn works for Juvoly
What is Tijn Porcelijn's role at the current company?
Tijn Porcelijn's current role is Software Engineer.
What is Tijn Porcelijn's email address?
Tijn Porcelijn's email address is ti****@****nder.nl
What schools did Tijn Porcelijn attend?
Tijn Porcelijn attended University Of Amsterdam, Delft University Of Technology.
What skills is Tijn Porcelijn known for?
Tijn Porcelijn has skills like Subversion, Scrum, C++, Linux, Python, Agile Methodologies, Java, Php, Jira, Continuous Integration, Jenkins, Mysql.
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