HARDWARE
IBM z Systems Mainframes, Raspberry Pi, Beagle Board, Arduino, DSP TMS 320C33, Microcontroller PIC 16F877, Microprocessor MC68000, Altera Stratix FPGA board

OPERATING SYSTEMS
Windows, Mac, UNIX/Linux (CentOS, Ubuntu, RHEL, SLES, OEL), Linux on z Systems; Windows Phone, Android, iOS

ARCHITECTURAL PATTERNS
SOA, Microservices, REST/SOAP, N-tier, MV*, Multilayered, Component-based, Data-centric, Event-driven, Rule-based

TECHNOLOGIES
Mobile, Java EE, IoT, Big Data, Real Time Analytics, Supervised Machine Learning, RPA, I-Apps, Blockchain, Cloud Computing (AWS: ELK Stack, EC2, Lambda, Elastic Load Balancing, Auto Scaling, IAM, VPC, DynamoDB, S3, RDS; GCP: App Engine, Kubernetes Engine, Cloud Functions, Cloud MemoryStore, VPC, BigQuery, Stackdriver; DigitalOcean, Spring Cloud, Cloudflare), OAuth2, JWT, SAML, OpenID, Okta, LDAP, Active Directory, AMQP, API Gateway, Service Mesh, Sidecar Proxy, Circuit Breaker, Spring, Ejb3, Hibernate, AlchemyAPI, Swagger, StrongLoop, Node.js, NPM, RDBMS, NoSQL, PrimeFaces, JSP, JSF, Angular, Bootstrap, React, Materialize, Video Games, OpenGL, PHP7, Zend, Google Web Toolkit, SmartGWT

SOFTWARE
TigerVNC, Postman, McCabe IQ & Logiscope, Blender, Slack, JIRA, Confluence, Firebase, PhpMyAdmin,
DataStage, Data Studio, MySQL WorkBench, Hadoop, Tomcat, Websphere, GlassFish, Weblogic, L(A/E)MP,
Joomla, Drupal, Wordpress, Affinity Designer, VersionOne, MS Office & Project, Lotus Notes, NMS, Remedy,
Modelsim, Matlab, Mplab, Dolphin Smash, NASM, Cadence, Synopsis, Alliance VLSI CAD System, Pspice, Orcad

TOOLS
Spring Tool Suite, Eclipse, IntelliJ, NetBeans, Spring Security, Android Keystore, Docker, Kafka, Redis, Zookeeper, Kubernetes, OpenShift, Sprin Cloud Vault, Spring Cloud Stream, Spring Cloud Netflix (Eureka, Feign, Hystrix, Ribbon, Zuul), Envoy Proxy, HAProxy, Istio, Jenkins, Apache ServiceMix (ActiveMQ, Camel, CXF, Karaf), JBoss Drools, Apache SOLR, RabbitMQ, JMS, RxJava, MantisBT, Common DevOps tools, RTC, IBM Cloud (Bluemix), InfoSphere Streams, Apache Spark, Liquibase, ETL Tools, Jackson, Git, SVN, Maven, Ant, Gradle, Sbt, Gulp, Chrome DevTools, Google Material Design, Retrofit, Glide, RxAndroid, WebKit, MS Visual Studio, IBM Worklight/MobileFirst Platform, Android Studio, Xcode, CocoaPods, Unity, JUnit, Mockito, AssertJ, Cucumber, REST Assured, Spring Test

PROGRAMMING LANGUAGES
Java 8+, PHP, Kotlin, JavaScript, (X)HTML5, CSS3/SASS/LESS, jQuery Mobile, SQL, Liquid, Objective-C/Swift, Scala, TypeScript, WSDL, XML, JSON, YAML, AIDL, C/C++, C#, R, SPL, Assembly, VHDL & VHDL-AMS(Verilog)