| Term |
Proficiency (1-10) |
Years Experience |
Last Used |
Project Cross-Reference |
| ActiveMQ |
7 |
1 |
2006 |
Used this JMS
implementation at Shopping.com. |
| Agile/SCRUM |
8 |
11 |
current |
Used by most companies I've
worked with since 2005, most notably Cisco. |
| Algorithms |
9 |
35 |
current |
Depth first recursion over
BTrees, etc. Of course.
To answer a common interview
question, see my hashtable implementation here:
https://github.com/chrishull/github2/tree/master/MyHashtable
|
| Ant |
8 |
15 |
current |
Used in earlier Java
projects. |
| Apache Commons |
8 |
14 |
current |
Used on many projects. |
| Assembly Language |
8 |
30 |
current |
Learned early in my career
for various processors. Used on robots and other personal
projects. PIC Micro most recently. |
| Azure (Microsoft Cloud Service) |
8 |
1 |
current |
I have developed two cloud services
running on Azure while at Walmart Labs. See also Cosmos DB, Redis Cache.
Azure Web Service. Azure SQL Database. |
| BASH |
9 |
15 |
current |
I maintain an Openstack
based server farm and use BASH all the time. |
| C |
7 |
15 |
1980s to mid 2000s |
Used in the 80s and 90s.
Wrote many projects and a couple of Mac games in C. Wrote parts of
the MacOS in C and C++. |
| C# |
0 |
0 |
never |
Would like to use it
sometime. I hear there's a version that now works in open source
environments. |
| Objective C |
5 |
1 |
2010 |
Tinkered around a little
with it using XCode. No real projects developed under Objective C.
|
| C++ |
7 |
15 |
1990s, mid 2000s |
Used at Apple, Netscape,
OpenCountry, Amazon. You can doanload some C++ sample code from my
Code Samples site. |
| CDT |
5 |
2 |
2005 |
Used the Eclipse C
Developers Toolbox at Altera. |
| Cosmos (see Azure) |
8 |
1 |
current |
Developed two Springboot REST
services whose backend is Cosmos. Services run as Docker containers on Azure. |
| CSS |
8 |
5 |
current |
Used on personal websites
and other places. |
| CVS |
8 |
20 |
2010 |
Used at Netscape and
various other comapnies extensively. Wrote CVS manual for Hotmail
and did some CVS admin. |
| Design Patterns |
9 |
20 |
current |
Factory, Singleton, etc. Of
course. Used many places. Purchased the original
Design Patterns book when it was published in 1994.
|
| Docker |
8 |
3 |
current |
Built Docker containes for various projects. |
| Dropwizard (Java RESTful web services) |
8 |
1 |
current |
Used at Apple e-commerce.
Dropwizard is a Java framework for developing ops-friendly, high-performance,
RESTful web services. Dropwizard pulls together stable, mature libraries from
the Java ecosystem. www.dropwizard.io/
|
| Eclipse |
9 |
12 |
current |
I use Eclipse for
everything. I have even written plug-ins for Eclipse. See my
Github page. |
| Eclipse Plugin Development
(PDE) |
8 |
1 |
current |
I developed part of
Cypress' new IDE for the PSoC micorprocessor. The IDE, known as
ModusToolbox is based on a modified Eclipse.
I recently
developed a nice Eclipse plugin and will donate it to the Eclipse
Foundation (am a member). See it on Github. See project page at
http://chrishull.com/projects/eclipse/
|
| Eclipse Rich Client Platform
Testing Tool (RCPTT) |
8 |
1 |
current |
I write RCPTT scripts to
test our work on the Eclipse based IDE at Cypress Semiconductor.
We used RCPTTRunner as part of our automated buids. |
| Flask (Python microframework) |
7 |
1 |
2015 |
I used Flask at Cisco while on the MOS
project. I primarily used it's REST capabilities. |
| GCC toolchain |
7 |
5 |
2010 |
Set up and used on many
projects under Linux. Mostly for embedded systems projects these
days. |
| Git |
9 |
5 |
current |
I use Git for everything
including this website.
I have a Github account at:
http://github.com/chrishull
|
| Gnu Debugger |
4 |
2 |
2005 |
Used off and on, under
Eclipse for remote debugging. |
| Gradle |
8 |
1 |
2016 |
Used recently at Cisco and
NASA. |
| Hardware / EE |
4 |
30 |
current |
PIC / Raspberry Pi. And
associated LEDs, and power transistors to drive three phase
motors. I make things that go blink in the night. :-) See PIC 3
color LED demo.
Yes. To ME, full stack means
Python/Java all the way down to hardware.
|
| Hibernate |
8 |
2 |
current |
Used in a few recent
projects. |
| HTML5 |
7 |
5 |
current |
Used on this website among
other places. |
| iOS |
8 |
1 |
current |
I've been developing a fairly complex app.
App is based on the Parse database. Backend runs on managed cloud (AWS) |
| Java/J2EE |
8 |
18 |
current |
I learned Java in 1998
while at Netscape and use it to this day. I know many standard
Java APIs and several newer ones. |
| JavaScript |
6 |
1 |
2000 |
Learned basic JavaScript
years ago. Have used Node.js more recently. |
| JAXB (Java XML Binding) |
8 |
6 |
current |
Used on several projects
including some of my own. Preferable to old school object
serialization for portability. |
| JAX-RS (Java RESTful API) |
8 |
3 |
2015 |
Used on several projects
including some of my own. See Jersey, Azure, Spring. |
| JBoss |
7 |
1 |
2006 |
Used at Shopping.com.
Everyone uses Tomcat, Jersey these days. |
| Jenkins |
8 |
6 |
current |
CI/CD system used at several places.
See NASA, Walmart Labs, Apple, Cisco |
| Jersey |
8 |
3 |
current |
I've used this JAX-RS
implementation on a number of projects. See JAX-RS, RESTm
Spring. |
| Jetty |
8 |
3 |
current |
Started with Tomcat back in the day but
have been using Eclipse Jetty in recent years. |
| JMS (Java Message Service) |
7 |
1 |
2006 |
Used at Shopping.com and a couple of other places.
The ActiveMQ implementation. |
| JNI (Java Native Interface) |
8 |
2 |
2009 |
Used at Lab126. The
graphics code I wrote for the Kindle had to communicate with a
system in C called MicroWindows. Also wrote power management code
that talked to DBUS via C. |
| JQuery |
1 |
1 |
2002 |
Used as part of the
Quicksilver project at Mediagate, with XSLT. |
| JSON |
9 |
3 |
current |
Used a lot lately to pass
data between Java and Python. See latest Cisco, Jersey, JAXB,
Python dictonaries. Web services. REST. |
| JUnit |
8 |
10 |
current |
Used a lot for automated
testing and TDD (test driven development) during development. Many
of my projects use JUnit. |
| Linux |
8 |
20 |
current |
Used all the time on just
about every project. Also maintina my own servers / private cloud.
|
| Log4j |
8 |
15 |
current |
Used often, many projects.
|
| Macintosh (coding) |
6 |
6 |
1998 |
Worked on the original
MacOS. Currently working in Swift. |
| Maven |
7 |
1 |
current |
Many open source projects
distribute and build via Maven. Also used at Cisco, Walmsrt. |
| Mercurial |
7 |
1 |
2013 |
Same as GIT. Used at
DirecTV. |
| Micoservices |
8 |
6 |
current |
I've developed several microservices
at Cisco, Apple and most recently Walmart Labs. These are SpringBoot
based and in the case of Walmart they run on Azure.
REST (JAX-RS, Java Jersey SpringBoot) based. |
| Node.js |
7 |
1 |
2016 |
Used at Cisco for a few
months. |
| NoSQL (MongoDB) |
7 |
2 |
current |
Used at Cisco and more recently
on a Parse project of my own. |
| OOP: Object Oriented
Programming |
9 |
25 |
current |
Yes of course. I live and
breathe Encapsulation, Method, Message Passing, Polymorphism, and
Abstraction. |
| Open Source Tools |
9 |
18 |
current |
Am femiliar with many and
use all the time. |
| Openstack |
8 |
2 |
current |
I run my own Openstack
cloud and am a frequent contributor to Openstack-Operators. Used
Openstack at Cisco and wrote code for it. See Cisco ESC project in
resume. |
| OSGi |
7 |
1 |
current |
I wrote an Eclipse plugin
which is OSGi based. See project page at
http://chrishull.com/projects/eclipse/
|
| Perl |
7 |
2 |
2005 |
I wrote my first Perl code
creating a guestbook for the Kaubki West website in 1995. Again on
a couple of othre projects. But not a lot lately. I reteach myself
Perl every 5 years or so. |
| PHP |
7 |
2 |
2012 |
Used at OpenCountry and
LinMin. You can download some PHP sample code on my site. |
| Python |
8 |
5 |
current |
I've used Python on a few
Cisco projects. I use it all the time on various personal projects
as well. See the Pluto for Openstack project. |
| RabbitMQ |
7 |
2 |
2016 |
Used at Cisco. RabbitMQ is a pretty straightforward
messaging system with a decent Java interface. |
| RESTful API Development |
8 |
5 |
current |
See Web Services / REST / Azure |
| RxJava |
7 |
1 |
Current |
Used RxJava as part of web service
under Azure at Walmart Labs. The service is largely linear, so
not a lot of chance to make use of parallelization. |
| Spring (SpringBoot, SpringBatch, RESTful services) |
8 |
4 |
Current |
I've been doing a lot of
SpringBoot based development lately. I wrote a few services based on
SpringBoot using JDBC, REST, SQL, SpringBatch, Spring JDBC repositories.
There are several references to Spring in this FAQ. I have extensive
Spring experience. Deployed on Azure, Openstack using Docker. |
| SQL |
8 |
5 |
current |
Used on many projects, but
largely thru Hibernate ORD. Currently working on a project using
JDBC directly, MariaDB on Mac / Linux. See Spring CRUD Repositories. |
| SVN |
8 |
6 |
2013 |
Used a lot at Amazon and
DirecTV. Similar to CVS. These days we all use Git. |
| Swift / iOS |
8 |
1 |
current |
I've been developing a fairly complex app.
App is based on the Parse database. Backend runs on managed cloud (AWS) |
| Test Driven Development |
8 |
12 |
current |
Almost all my projects
involve TDD. It is a common practice. |
| Tomcat |
9 |
15 |
2015 |
I have been using Tomcat
ever since it was Tomkitten. First at Mediagate in 1999. Used on
many recent projects. Using Jetty more often these days. |
| Virtualization
Environments |
8 |
10 |
current |
Started with VMWare /
VShpere / ESXi. Usage mostly. Little API coding. Use Openstack for
the most part these days. I run an Openstack private cloud here in
Sunnyvale. |
| VMWare |
8 |
10 |
current |
See Virtualization
Environments |
| Web Services / REST |
8 |
3 |
current |
Developed code for RESTful
web services in last several positions. See above
technologies. SpringBoot, Tomcat Jersey / JAX-RS / both Hibernate and direct
JDBC / SQL (MariaDB) and NoSQL (MongoDB, briefly) all in Java,
using Python as well. Developed on Macintosh under Eclipse and
deployed on Linux. Also developed RESTful services at LinMin for
Cisco Server Provisioner, 2012. See resume. |
| Windows |
4 |
4 |
1992 |
Not since the early 90s.
Wrote a texture mapping application for ModaCAD on both Mac and
windows when Windows 3.1 first came out. |
| XML |
9 |
15 |
current |
Used all the time on many
projects. Started back in 2000 with xml4j (Java). |
| XPath |
6 |
4 |
2002 |
Used as part of the
Quicksilver project for Mediagate. Not used in a while but XPath
is pretty straightforward. |
| XSLT |
8 |
4 |
2002 |
Build a nice framework
based on Java and XSLT for the Quicksilver project at Mediagate
XSLT is the killer app for XML. |
| Zookeeper |
6 |
1 |
2015 |
Worked with Zookeeper and
MongoDB as part of the MOS project at Cisco. We used Zookeeper to
exchange data between three nodes while running in HA mode. |