Daniel Sohl Email & Phone Number

Wakefield, Massachusetts, United States

Bedford, Ma

Principal back-end developer for Designer module of Oracle ClinicalOne, a multi-tenanted microservice-based clinical trial management application, built with Oracle Weblogic, Oracle DB, Jersey, and Jackson.• As Scrum Master for Designer team, acted as liaison to other scrum teams and product management.• Principal, and often sole, back-end developer for Designer microservice, developed as a greenfield application.• Maintained authorization microservice to grant roles and rights… Show more Principal back-end developer for Designer module of Oracle ClinicalOne, a multi-tenanted microservice-based clinical trial management application, built with Oracle Weblogic, Oracle DB, Jersey, and Jackson.• As Scrum Master for Designer team, acted as liaison to other scrum teams and product management.• Principal, and often sole, back-end developer for Designer microservice, developed as a greenfield application.• Maintained authorization microservice to grant roles and rights to users.• Developed approach to ensure backwards compatibility between different versions of microservice.• Worked closely with UI developers and designers to create end-to-end solution.• Worked with members of other ClinicalOne scrum teams to integrate the product’s modules.• Created REST APIs in JSON for creation, retrieval and updating of clinical trial designs.• Introduced dependency injection (CDI) to project and trained others on its use.• Led effort to improve unit test coverage and other code quality metrics• Assisted team members and members of other teams with technical issues and problem-solving. Show less

Framingham, Ma

Worked on CA ecoMeter, an energy monitoring system built with Java, Tomcat, GWT, servlets, JSF and Flash/Flex, which collects energy- based data from data center equipment, and allows reporting, live monitoring, alerting and visualization, supporting up to 100k devices on one machine.• Scrum Master of 8-person co-located team• Implemented communications layer between remote data collectors and central manager based on JMS.• Designed and developed Calculation Engine, allowing… Show more Worked on CA ecoMeter, an energy monitoring system built with Java, Tomcat, GWT, servlets, JSF and Flash/Flex, which collects energy- based data from data center equipment, and allows reporting, live monitoring, alerting and visualization, supporting up to 100k devices on one machine.• Scrum Master of 8-person co-located team• Implemented communications layer between remote data collectors and central manager based on JMS.• Designed and developed Calculation Engine, allowing users to create custom variables defined in terms of calculation formulae based on collected data. User interface written with GWT; back-end engine interpreted scripts created by UI.• Redesigned data server, a centralized cache of current energy data of all devices, backed by Oracle 10g database.• Debugged database triggers in Oracle in order to improve a database rollup capability in another CA product.• Integrated with other products, both internal and 3rd party, via SOAP and JNI• Served as primary point-of-contact for an early adopter customer. Show less

Boston, Ma

Developed a stand-alone Java application using Swing and JDO used to ensure regulatory compliance of Harvard holdings as well as a SOAP-accessible JavaEE service that maintained a tree of portfolios, each of which has multiple attributes.• Spearheaded adoption of JavaEE 5 technologies at Harvard Managament, including EJB 3, SOAP and JAXB.• Worked alone on both projects, consulting with analysts and end-users to come up with a design, and implemented that design.• Portfolio… Show more Developed a stand-alone Java application using Swing and JDO used to ensure regulatory compliance of Harvard holdings as well as a SOAP-accessible JavaEE service that maintained a tree of portfolios, each of which has multiple attributes.• Spearheaded adoption of JavaEE 5 technologies at Harvard Managament, including EJB 3, SOAP and JAXB.• Worked alone on both projects, consulting with analysts and end-users to come up with a design, and implemented that design.• Portfolio information was stored in a temporal database so the state of the portfolio hierarchy could be viewed and altered at any point, past, present or future. Show less

Boston, Ma

Worked as a member of a small agile team on a variety of products and technologies centered around location tracking of wireless assets on a campus or building scale.• Led effort to transition product database off of MySQL, including analyzing potential target databases, reaching a decision in conjunction with the broader team to move to Derby, and designing utilities to convert existing customer databases.• Designed and implemented a licensing framework utilizing cryptographically… Show more Worked as a member of a small agile team on a variety of products and technologies centered around location tracking of wireless assets on a campus or building scale.• Led effort to transition product database off of MySQL, including analyzing potential target databases, reaching a decision in conjunction with the broader team to move to Derby, and designing utilities to convert existing customer databases.• Designed and implemented a licensing framework utilizing cryptographically signed XML license files to limit access to features.• Designed and wrote a logging system to track device histories (including location, activity and network associations), and an associated reporting system to allow users to find devices based on historical activities.• Added a “condition” module to track user-specified alertable conditions and associate these conditions with the device(s) and location(s) involved. Notification carried out via e-mail, syslog or SNMP trap.• Designed and implemented a “Packet Inspection Engine” to analyze 802.11 packets in real-time for traits indicative of attacks. Show less

Newton, Ma

Worked as a web developer on commercial site geared towards allowing customers to browse furniture and home furnishings, save “favorites” in their portfolio, and find where pieces can be purchased.• Redesigned and developed user registration and portfolio code as part of team to port the site’s database from ObjectStore to Oracle and simultaneously port the back-end code from a custom solution of Java servlets to ATG’s Dynamo platform.• Designed and developed code for registration… Show more Worked as a web developer on commercial site geared towards allowing customers to browse furniture and home furnishings, save “favorites” in their portfolio, and find where pieces can be purchased.• Redesigned and developed user registration and portfolio code as part of team to port the site’s database from ObjectStore to Oracle and simultaneously port the back-end code from a custom solution of Java servlets to ATG’s Dynamo platform.• Designed and developed code for registration user questionnaire. All questions, options, and results were stored in Oracle and dynamically retrieved and displayed. Show less

Bachelor'S Degree, Computer Science

Education record