Christopher O. Email & Phone Number

Dallas, Tx, Us

Dallas, Texas, United States

Co-founded a freelance company, effectively balancing project work with continuous skill enhancement.Spearheaded Python development, ensuring the successful delivery of multiple projects with top-notch quality.Mastered Objective-C independently, leading to the launch of five innovative applications.Developed RESTful backends using Python, Django, and Node.js, enabling efficient client-server communication.Engineered iOS clients using Objective-C and Xcode, showcasing expertise in diverse programming environments.Managed a multidisciplinary team, including Android and Node.js developers and a designer, fostering a collaborative and growth-oriented workspace.Implemented Git for version control, maintaining organized and effective codebase management across projects.Acted as the chief decision-maker for design and implementation, steering projects to successful completion.Served as the primary client liaison, prioritizing clear communication and customer satisfaction in each project.

Hanover, Maryland, United States

Managed key system integrations including Firewall, Syslog, and EDR platforms like Crowdstrike.Responsible for maintaining, debugging, and developing new integrations for the Dragos site store platform.Played a crucial role in creating and refining custom APIs, bridging React front-end code with back-end services.Assisted in quality assurance and unit testing, ensuring reliable and robust integrations.Led the Data team's efforts in managing Dragos's extensive data ecosystem, focusing on high availability and efficient operations.Utilized Elasticsearch and RabbitMQ queues for effective data operations and message handling.Developed a unique data import service pipeline for processing various data formats like Delta V, Ovation, and SPDX.Transformed specialized file formats into valuable Dragos platform assets, overseeing upload, parsing, enrichment, association, and indexing processes.Addressed urgent data issues and troubleshooting for customer-related problems, showcasing adaptability and problem-solving expertise in demanding situations.

San Francisco Bay Area

Orchestrated the revamp of the internal self-pay billing system, integrating with Conifer and PayPal, resulting in a significant monthly financial impact and recovering substantial missed invoices.Led a cross-functional team to recover a substantial amount in uncharged fees from the previous year, utilizing Braintree payment APIs and collaborating effectively across legal, finance, design, and customer support.Prioritized and developed backend APIs for healthcare provider applications, enhancing tools for doctors, nurse practitioners, therapists, and other professionals.Identified and resolved critical issues in insurance eligibility and member experience, ensuring operational excellence.Acted as a versatile team player, providing expertise across various projects and teams.Developed and managed JSON-RPC and Django REST Framework API endpoints, improving data integration and service communication.Custom-built platform features based on clinician and stakeholder requests, aligning technology with user needs.Maintained strong communication across teams, facilitating efficient project completion and problem resolution.Contributed to internal data sharing initiatives, integrating Redox for comprehensive and secure health information sharing, respecting data privacy and consent protocols.

Dallas/Fort Worth Area

Led the collaboration with the global Saber2 calculator and environment management team, boosting financial calculation efficiency and resource allocation.Developed a web-based application for streamlined internal communication and external request management, enhancing team coordination and reducing response times.Innovated features for the web app, including admin tools for permission management, data visualization, report generation, and a user-friendly interface.Created a tools page for easy access to UNIX server utilities, aiding non-technical team members with logging and job tracking.Instrumental in migrating bank's code from Python 2.7 to 3.7, focusing on compatibility and compliance during a 7-month project.Developed a Python-based GUI for efficient data backups and transfers, catering to offshore team requirements.Excelled in business requirement analysis, web development, scripting, and debugging, delivering high-quality projects on time.Collaborated with a diverse, international team across Plano, Charlotte, New York, and India, ensuring seamless communication and teamwork.Proficient in Python, Javascript, Flask, Django, AngularJS, Oracle, and SandraDB, consistently delivering robust solutions and supporting development initiatives.

Austin, Texas Area

Contracted to oversee the redesign, redevelopment, and addition of features to the Altruus and aant applications. Used Core Data for local persistence and AFNetworking to communicate with a RESTFUL backend. Utilized Facebook SDK for Facebook login and TwitterKit for linking Twitter accounts. Built custom QR scanner to read QR codes generated by the Altruus website. Application was built based off designer mockups.