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Kelsus is a fully remote engineering team specializing in full-stack solutions that combine native mobile applications with scalable, robust cloud-based backend services.* Specific responsibilities include: - Key member of executive team at Kelsus, responsible for leading technology across the company. - Solidify Kelsus as a trusted software development expert, helping to land customer wins. - Hands-on technology leader participating in all aspects of software development lifecycle, including architecture, design and code. - Identify business strategy and vision for technology efforts, leading to creation of new business opportunities. - Lead software development projects for customer accounts, including managing client relationships and dependencies. - Establish and maintain software engineering best practices across the organization. - Coach, guide and motivate 20+ member engineering team, facilitating continuous improvement through training, process, culture, experience and 1:1s.* Key accomplishments: - Co-founder, CTO and lead developer of Timber, a technology platform for podcast hosting and analytics. - Conceived, researched and co-hosted 100+ episodes of Mobycast, a podcast that dives deep on topics related to building cloud-native software. - Led flagship client project, KBS Services, for 2.5 years, successfully growing account by 100%. - Improve utilization of resources and decrease computing costs by moving from virtual machines to containers. - Drove effort to implement CI/CD pipelines, allowing for simpler, more frequent software deployments. - Lead company-wide initiative to encourage and facilitate employees achieving AWS certifications in solutions architecture and development. - Created and led monthly seminars on engineering best practice topics. - Prepared and led multiple training courses held during company's annual all-team retreats.

Senior software development lead and engineering manager at Arivale, building the software and services that enable Arivale to combine cutting-edge science, personalized data, and tailored coaching to help clients optimize wellness.Specific responsibilities include:* Lead a team of 6-8 software developers; coach, guide, motivate. Drive results and help employees achieve personal goals.* Hiring manager, with both phone and in-person interviewing.* Member of senior leadership team.* Quarterly and annual planning.* Mentoring, code reviews.Key accomplishments:* Containerize services using Docker. Transition all cloud infrastructure to highly available clusters using AWS EC2 Container Service (ECS).* Lead developer for building replacement of critical “coach charting” software. Built prototype in Node.js, with production implementation in Python/Flask. Responsible for design, implementation, transition, training and support.* Lead developer of backend platform for the Arivale mobile app.* Squad lead for project to migrate a complex monolithic application to a collection of micro services to better serve and scale the Arivale client base.* Provide motivation and guidance to transition from RPC-style APIs to a truly RESTful API implementation.Skills/technologies:* Docker, Python, Flask, AWS, ECS, CI/CD, CircleCI, Postgres, Sumo Logic, New Relic, Ops Genie

Lead developer for the Nuiku backend server platform, a system of large-scale, cloud-based services developed in a fast paced, iterative development environment using modern open source technologies such as Node.js, MongoDB, and Redis.Specific responsibilities include:* Lead effort in defining system architecture of the entire platform. Key design considerations include: scalability, performance, availability and modularity.* Take ownership of projects and help mold them, constantly pushing the system and the company as a whole.* Lead developer for 5 separately deployable services, as well as 7 shared components used across the system.* Facilitate collaboration with external team of developers responsible for implementing the iOS client for the Nuiku API platform.* Mentor other software engineers - code reviews, design philosophies, language topics, technology choices.Key accomplishments:* Design of the Nuiku RESTful API (hypermedia-based protocol influenced by HATEOAS principle)* Design and implement the Nuiku API Server. This is the “front door” service, responsible for implementing the Nuiku RESTful API and exposing the core functionality of the Nuiku NLP engine. As part of implementing the Nuiku feature set, it integrates with external services such as Salesforce.com, Microsoft Dynamics, and other CRM systems.* Design and implement abstraction interface that enables quick integration with new CRM systems. * Design and implement message bus for handling background asynchronous tasks. Architected with a pluggable worker interface to easily add new types of work units.* Design and implement integration of user's calendar data with backend data, which intelligently identifies which events correspond to entities in the user's CRM system and generates "before" and "after" meeting actions.* More than 3 years experience with *production* Node.js development. Other key technologies include: JavaScript, MongoDB, Redis, Express.js, Mongoose.js and bash.

Worked on MarketPlace (mobile e-commerce) and the Advertising Platform, a system of services to create, serve and track advertising on mobile devices. Development highlights include: * Part of team that converted complicated legacy build process to a simple "checkout-and-build" process based on Maven 3.* Co-developed a Java based framework for handling crosscutting concerns of logging and monitoring using aspect-oriented programming (AspectJ).* Developed a multi-threaded application for stress & performance testing of framework.* Engaged with other teams within the organization to promote usage & adoption of framework.* Introduced static code analysis (using Sonar) as part of our continuous integration build system.

* Responsible for end-to-end software development; JavaScript, jQuery, HTML/CSS on the front-end, and C#, ASP.NET, SQL on the back-end* Designed and implemented a multi-file image upload system utilizing Ajax for file transfer* Redesigned customer feedback system to utilize DHTML (via jQuery) and Ajax submits; this greatly improved the customer experience by removing the need for browser popups, and decreased server overhead.* Implemented continuous integration system with daily builds based upon CruiseControl.NET and NAnt.

Architected, designed and implemented highly scalable web-based publishing and ordering system. Customer proven technology platform based upon best-of-breed web development technologies such as ASP.NET, C#, XML, XSLT, and XSL-FO. Implemented in 300,000+ lines of code (C#, ASP.NET, XML/XSL).Software development highlights include:* Rendering system using XSL/XSLT which allows multiple presentation targets (web pages and PDF) from single source XML* Storage abstraction layer that load balances and replicates data across a cloud of commodity NAS appliances (over 2.5TB of data stored in the cloud, which includes 1.5+ million unique photos and 12+ million total images)* Custom defect tracking system integrated with primary customer web application* Image processing, including color management* PDF generation and manipulation; imposition for RIP-ready files* Full suite of administration capabilities with multiple access levels (e.g. Admin, Customer Service Rep, Production Partner), including ability to impersonate users* SQL Server database design and development (tables, stored procedures and indexes)* E-commerce system (product database, ordering, credit card processing, fulfillment)* COM module that implements the Java Native Interface (JNI) API for the purpose of directly invoking Java code from the .NET application

* Responsible for all research and development, including product architecture, design and implementation. * Built and fostered strategic relationships with EMC, Veritas, Network Appliance, and other leading technology companies. * Instrumental in raising $24.1 million in financing from top-tier venture capital firms.* Lead software developer for “Leviathan” technology platform which virtualized database access for massive Internet data storage. Developed in C/C++ using techniques such as sockets, completion port I/O & shared memory, system consisted of multiple clustered server applications (NT services), client API (Windows DLL) and built-in virtual IP addressing. * Identified, specified and led effort to develop new product based on “Leviathan” technology to provide a virtual file system. Viathan was one of the first companies to target this product space.* Built and managed a team of 15+ developer, test and IT engineers.

* Led team of 5 software developers on the Internet File Store (IFS) project, a system for storage of large amounts of data to be accessed by web applications. Work led to issuance of 4 patents.* Lead developer on Dynamic Communities project – designed and implemented the Content Server, a repository for storing and accessing community-related data such as images and messages.* Server developer of ChatFind, a caching server (NT service + server side object using shared memory for fast communication), that provides information about the chat network through web pages. Once deployed in the MSN data center, it was noted by the operations team to be one of the most reliable services developed.* Designed and developed a server monitoring service – deployed in the MSN data center to monitor the health of POP3 and SMTP mail servers.* Developer on the MSN 2.5 (Metro) release of the MSN client software – designed and implemented a COM-based object that performs mail-related functionality using the POP3 protocol. * Recipient of two Microsoft “Ship It” awards.

* Technical lead for a DARPA-funded research project - responsible for recommending and implementing architecture decisions, software development and evaluation of new technologies.* Early adopter of Java – successfully developed applications using the alpha version of the Java SDK and the HotJava applet container.* Responsible for specification, design and development of Web-based applications built with Java, JavaScript and C++.