David Long: Email & Phone Number

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Backend Software Engineer at OPAQUE Systems|Palo Alto, California, United States

Position:

Backend Software Engineer at OPAQUE Systems

Location:

Palo Alto, California, United States

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Last updated: 2026-07-19

Updated: 2026-07-19

Found email addresses for David Long:

Business emails:

d***d@scale.com,

d********g@opaque.co,

d***g@opaque.co

Personal emails:

d***@yahoo.com,

d***@langtaojin.com,

d***@hotmail.com,

d***@scale.com

Found phones for David Long:

+1-909-***-**61,

+1-870-***-**16,

+1-870-***-**46,

+1-909-***-**43

A different David Long?

Work Experience 6 years

Backend Software Engineer at OPAQUE Systems

Jun 2025 - Current

AI Writing Evaluator - Tier 2 at Scale AI

Apr 2024 - Feb 2026

Full Stack Engineer at Canopy Wave

Aug 2024 - May 2025

Game Developer Intern at LangTaoJin

Dec 2023 - Feb 2024

Back-end Developer Intern at Perfect World Co., Ltd.

May 2023 - Aug 2023

Programmer Internship at Insgeek

Dec 2020 - Feb 2021

David Long started working in 2020, then the employee has changed 5 companies and 5 jobs. On average, David Long works for one company for 9 months.

Their professional focus is Algorithms, Analytical Skills, and Apache Kafka across 3 core areas.

Education

Bachelor's degree at University of California, Berkeley

Frequently Asked Questions

What is David Long's email address?

SignalHire found verified email addresses for David Long, both business and personal. Their business email is d***d@scale.com, and personal emails include d***@yahoo.com, d***@langtaojin.com, and d***@hotmail.com.

What is David Long's phone number?

SignalHire found multiple verified phone numbers for David Long: +1-909-***-**61, +1-870-***-**16, and +1-870-***-**46.

How do I contact David Long at OPAQUE Systems?

You can reach David Long through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is David Long's professional background?

David Long has 6 years of professional experience. They have held roles including AI Writing Evaluator - Tier 2, Full Stack Engineer, and Game Developer Intern at companies such as Scale AI, Canopy Wave, and LangTaoJin. Their education includes Bachelor's degree from University of California, Berkeley.

Is David Long's contact information up to date?

Yes. David Long's SignalHire profile was last updated on 19 July 2026, reflecting their current position as Backend Software Engineer at OPAQUE Systems in San Francisco, California, United States.

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