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Dan Downs Email & Phone Number

Mobile Tech Lead, Senior iOS Engineer at Left Hand Software, LLC.
Location: Longmont, Colorado, United States 12 work roles 2 schools
1 work email found @lefthandsoftware.com 2 phones found area 720 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email d****@lefthandsoftware.com
Direct phone (720) ***-****
LinkedIn Profile matched
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Current company
Role
Mobile Tech Lead, Senior iOS Engineer
Location
Longmont, Colorado, United States

Who is Dan Downs? Overview

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Quick answer

Dan Downs is listed as Mobile Tech Lead, Senior iOS Engineer at Left Hand Software, LLC., based in Longmont, Colorado, United States. AeroLeads shows a work email signal at lefthandsoftware.com, phone signal with area code 720, and a matched LinkedIn profile for Dan Downs.

Dan Downs previously worked as Indie Developer at Left Hand Software, Llc. and Software Engineer Manager at Teladoc Health at Teladoc Health. Dan Downs holds Bs, Physics from Stony Brook University.

Company email context

Email format at Left Hand Software, LLC.

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{first}.{last}@lefthandsoftware.com
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AeroLeads found 1 current-domain work email signal for Dan Downs. Compare company email patterns before reaching out.

Profile bio

About Dan Downs

Dan Downs is a Mobile Tech Lead, Senior iOS Engineer at Left Hand Software, LLC.. He possess expertise in objective c, c++, c, software engineering, iphone development and 16 more skills. Colleagues describe him as "Dan and I worked on the same team at Spex Technologies and JS Held LCC. As Senior iOS Engineer, he was consistent in his ability to take on incredibly complex problems, thoroughly and thoughtfully plan solutions, and he always executed and delivered. No problem is too large for Dan. In addition, he was a steady, calming presence to the team, no matter how much pressure or how high the stakes. Dan is a brilliant Software Developer, superb communicator, and a rock-solid team player. I know that Dan will bring all of these things to his next opportunity.", "Dan is a true professional. He comports himself with equanimity in every interaction he has with his colleagues. Dan had a calming effect on me whenever I had the chance to work with him, and I appreciated this immensely as a young product manager. Any project given to Dan was guaranteed to be over-communicated and over delivered upon. If you, as a software development team would prefer to deliver more, faster, and with less stress, adding Dan to your team would be a great idea.", and "I worked with Dan for several years on the Spex Enterprise platform, first at Spex, then at J.S Held. Over the course of that time, he implemented countless feature and infrastructure improvements to our iOS app. He was the single engineer to build and ship an iOS diagramming integration for our platform, which represented massive strategic value to the business and our users. With his years of expertise, he brings a passion and joy for his work. He is a fierce collaborator and thinks creatively to solve the user and technical problems at-hand. As a Product Manager, it was an absolute privilege to work with him."

Listed skills include Objective C, C++, C, Software Engineering, and 17 others.

Current workplace

Dan Downs's current company

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Left Hand Software, LLC.
Left Hand Software, Llc.
Mobile Tech Lead, Senior iOS Engineer
AeroLeads page
12 roles · 19 years

Dan Downs work experience

A career timeline built from the work history available for this profile.

Indie Developer

Current

Longmont, Us

Specifying, designing, developing, testing and releasing iOS applications for small to medium sized clients and projects.

Apr 2023 - Present

Software Engineer Manager At Teladoc Health

Purchase, Ny, Us

Managing iOS developers and applications for video and robotic devices.

Oct 2020 - Jan 2023

Senior Staff Software Engineer

Purchase, Ny, Us

iOS development for InTouch Health iOS apps.

Oct 2020 - Oct 2020

Senior Ios Engineer

Longmont, Us

Pursuing AI/Machine Learning certifications and projects. New skills include using Python to build ANN/CNN's from scratch, Deep Learning networks with Keras/Numpy/Pandas/Matlib, and larger projects using a variety of frameworks such as TensorFlow and PyTorch.

Apr 2020 - Sep 2020

Senior Ios Engineer

Jericho, Ny, Us

Developing the Spex iOS app internally for J.S. Held inspectors.

Jan 2019 - Apr 2020

Senior Ios Engineer

Spex Technologies

Built an inspection app for the insurance industry and solved many interesting engineering problems along the way. The Spex app was used in disaster regions (fires, floods and earthquakes) around the world. Preserving critical data for days and weeks at a time, the data was synced quickly, securely and efficiently when any type of network was available.

2018 - Dec 2018

Senior Ios Engineer

Seattle, Wa, Us

Building and shipping iOS apps for clients around the world.

Oct 2016 - Apr 2018

Senior Software Engineer

Louisville, Colorado, Us

TrainHeroic: Built and deployed an iOS training app which provided realtime interactions between coaches and athletes. The app featured a fast, simple UI for use in the gym, a social network stream, photos and video. Challenges included safe handling of server synchronizations over marginal networks.MakeMusic's Finale app provided a deep dive back into C and C++ to build and maintain cross platform libraries for macOS and Windows. Work involved getting Finale updated with 64bit code, optimized for speed and memory usage on macOS, and a full feature release.

Oct 2014 - Aug 2016

Senior Mobile Engineer

Denver, Colorado, Us

Employment at EffectiveUI gave me the opportunity to work with some of the largest companies in the US building a variety of iOS apps for the aeronautical industry, the banking industry, and the global courier industry. This included the integration of Network/RESTful Services, CoreLocation, CoreAnimation, AVFoundation, CoreData, Blocks, Threading, iAd, Push Notifications, profiling and memory tuning with Instruments, TestFlight, and the handling of App Store peculiarities.

Jan 2011 - Jul 2014

Freelance Ios Engineer

Freelance

Designed, developed and released apps which included children’s games, a bar code reader, a pipe engineering app, coupon redemption app, video karaoke app. Major frameworks: Core Motion, Core Video, Core Graphics, SpriteKit, Multipeer Connectivity, OpenGL, Core Motion, Core Text, Core Data, MapKit, GameKit, Audio Unit.

2008 - 2012 ~4 yrs

Senior Software Engineer

San Jose, Ca, Us

Worked on Constraints, Placer and Router applications. Managed the Longmont team for Xilinx Labs, building a Java SDK to manipulate the runtime parameters of high-end Xilinx chips. Full responsibility for the Guide subsystem in the Xilinx CAD toolchain enabling engineers to reuse designs, saving hours and often days of compile time. See a list of patents below.

Oct 1997 - Jun 2008

Software Engineer

Skyconnect

Low level C++ programming for digital ad insertion in the Cable industry.

Aug 1994 - Jun 1996
2 education records

Dan Downs education

Bs, Physics

Stony Brook University

Applied Physics

Colorado School Of Mines
FAQ

Frequently asked questions about Dan Downs

Quick answers generated from the profile data available on this page.

What company does Dan Downs work for?

Dan Downs works for Left Hand Software, LLC..

What is Dan Downs's role at Left Hand Software, LLC.?

Dan Downs is listed as Mobile Tech Lead, Senior iOS Engineer at Left Hand Software, LLC..

What is Dan Downs's email address?

AeroLeads has found 1 work email signal at @lefthandsoftware.com for Dan Downs at Left Hand Software, LLC..

What is Dan Downs's phone number?

AeroLeads has found 2 phone signal(s) with area code 720 for Dan Downs at Left Hand Software, LLC..

Where is Dan Downs based?

Dan Downs is based in Longmont, Colorado, United States while working with Left Hand Software, LLC..

What companies has Dan Downs worked for?

Dan Downs has worked for Left Hand Software, Llc., Teladoc Health, J.S. Held Llc, Spex Technologies, and Black Pixel.

How can I contact Dan Downs?

You can use AeroLeads to view verified contact signals for Dan Downs at Left Hand Software, LLC., including work email, phone, and LinkedIn data when available.

What schools did Dan Downs attend?

Dan Downs holds Bs, Physics from Stony Brook University.

What skills is Dan Downs known for?

Dan Downs is listed with skills including Objective C, C++, C, Software Engineering, Iphone Development, Object Oriented Design, Mobile Applications, and Perl.

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