Mark Sievers Email & Phone Number

Auckland, New Zealand

Enjoying solving hard problems in a high throughput and fast growing event based ecosystem.Interesting things include* AWS. Heavy use of EC2, Lambda, Kinesis, DynamoDB, RDS.* Docker and friends* Concourse* Lightweight JVM / Java technologies* Big PostgreSQL instances, tuning / optimization etc* Designing and building fault tolerant, scalable, testable, measurable, maintainable high throughput software makes me sleep better.

Auckland, New Zealand

Software engineer on the core services of a Payments processing API.Key technologies* Java 7: Jersey 2, JAX-RS, JPA 2, JDBI, JDBC, Liquibase, Guice 3.0, Dropwizard, Shiro* Go / Golang 1.2 * Cassandra 1.2* Elasticsearch 1.1* H2, PostgreSQL / PostGIS 9.3Key tools / platforms:* Virtualization: Docker, Packer, Vagrant, VirtualBox* Git SCM* Maven builds and Jenkins / Travis Continuous Integration* JUnit, Mockito* Zabbix Monitoring* Ubuntu / OS X * Cloud hosting; Digital Ocean, AWS (S3, EC2, SQS, SNS, Transcoding)Other* Trello project management / scheduling* Functional and Technical Specification composition.

Auckland, New Zealand

I designed and created Django web applications as a Senior Software Developer at &Some, a full stack digital / marketing / strategy agency.Key technologies* Python / Django framework* Celery with RabbitMQ / Redis* Memcached* PostgreSQL * HTML5, JS, CSS + SassKey tools / platforms:* Mercurial + Git source control* Nginx web server* uWSGI * Sentry monitoring* Linux administration (sh, cron, init, syslog, vim)Other* JIRA tracking and Confluence project documentation.* Functional and Technical Specification composition.Key Project:Tangible Media CRM | http://www.tangiblemedia.co.nz/An application for consolidating and managing customers across Tangible Medias magazine stable. The backend handled the web store, member profiles, subscription creation and life cycle, product / issue management and financial and statistical reporting.

Auckland, New Zealand

I worked along side the founder / architect / lead developer of Wenzani on a large geo-social platform.Server side engineering on a Java platform with key technologies including:* J2EE RESTful API with Spring 3.0* MongoDB* Solr search serverKey tools / platforms:* Eclipse IDE* JUnit / Mockito / Hamcrest unit and integration testing* Maven, Jenkins and Chef build and continuous integration stack * Nginx* Jetty servlet container* Amazon EC2, S3 hosting infrastructure* New Relic MonitoringOther* Agile (Scrum) development process* JIRA defect tracking* Trello task scheduling* Google Sites for API documentation and Functional / Technical Specifications* Linux administration and toolingWorked remotely from Auckland for the San Francisco based office.

Sydney, Australia

Software Engineer on the Xumii mobile-social platform.Predominantly server side engineering on a large Java SOA platform with key technologies including:* Full stack J2EE SOA platform including Spring, Hibernate, Quartz, Memcached* MySQL, HSQLDB* Openfire IM server* Extensive Social API integrationKey tools / platforms:* Eclipse IDE* Maven build manager* Perforce source control* Hudson and Cruise control continuous integration* Nagios and Cacti monitoring* CentOS in a self hosted data center.* Tomcat / Jetty * JUnit / DBUnit / JMock / Hamcrest / WebDriver integration and unit testing.* JIRA bug tracking and project management* Linux administration: ssh, shell scripts / bash, cron etcWorked in the Sydney office for ~3.5 years and remotely from Auckland for 8 months.

Sydney, Australia

Contract Developer on the Lonely Planet Phrasebook Catalogue for Android.