Jack Caldwell Email & Phone Number

San Diego, California, Us

Key

Frisco, Texas, Us

(MediaKind divested from Ericsson, Feb 2019)Served as Lead developer of feature initiatives spanning distributed worldwide teams, with ownership of subscriber personalization feeds, OSS / BSS management, device management and identity service components.• Developed and owned Cloud Native (SaaS) IPTV components, including End User personalized feeds, management API’s, device restrictions enforcement, and identity management, working remotely with Silicon Valley scrum team.• Development ownership of OSS / BSS Management services and API’s, with oversight of worldwide teams, mentoring junior members and reviewing design and code for best current practices, ensuring on-time delivery of quality components. Member of Architecture Review Board, reviewing OSS API’s and component designs.• Scale Tested 1 million users, optimizing micro service inter-communication, using asynchronous message streams while eliminating unnecessary service to service API calls, reducing latency on average 25%.• Increased code base resiliency by creating end to end functional tests executed within the CI pipeline, applying TDD to deliver Unit Tests with components.Key

Kista, Stockholm, Se

Led team as principal software engineer and scrum master, collaborating across worldwide teams.• Led and managed scrum team of 7 delivering OSS Proxy service of MediaFirst® Cloud TV.• Designed and developed Rest API's for Service Provider BSS integration, ensuring successful Tier 1 service provider integration and migration from previous IPTV platforms.• Led team to develop Advertising Management component (SCTE 130 ADM), adopted in a major Cable service provider’s VOD system.• Led team to deliver VOD multi-screen content delivery platform with low defect rate, collaborating with teams in Stockholm, Montreal, and Denver to implement interfaces with conditional access, charging and provisioning services.• Developed Vod App subscriber provisioning and multi-screen middleware API's, configurable with multiple VOD back offices, enabling smooth migration of clients from legacy to next generation BE.• Led team and division adoption of agile and scrum, iterative development, continuous integration, and automated testing, reducing regression faults and increasing overall quality.Key

Lead developer and open standards specification contributor. • Developed components of the AdPoint® Dynamic Advertising Solution for integration with Cable VOD systems, contributing to 30% increase in VOD system sales growth.• Contributed to development of CableLabs SCTE 130 Dynamic Advertising specification, positioning company product as market leader in on demand streaming dynamic advertising.• Developed Media Manager, enabling advertisements to be merged directly into VOD media content, increasing subscriber monetization by Tier 1 Cable TV service provider.Key

Norcross, Georgia, Us

Lead developer of fault management component in Network Management System. • Developed the fault management component of RAYtracer®, a provisioning and maintenance NMS, facilitating millions in new optical network equipment sales to service providers worldwide.• Collaborated with network element embedded software team, designing custom MIB in support of critical management features, including custom protocol guaranteeing SNMP trap reliability over UDP.• Developed health service check and status polling of managed devices, proactively monitoring device health and network connectivity, providing real time analytics displayed on the alarm dashboard. • Created Network Management System backup and hot standby, meeting requirements to complete sales to multiple US Tier 1 telecom carriers.• Supported certification testing in Tier 1 telecom service provider labs, supporting $250M in sales growth.Key

Master Of Science, Computer Science

Bachelor Of Science, Computer Science, Music