Andrew Seigner
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Andrew Seigner Email & Phone Number

Software Engineer at Buoyant, Inc. at Buoyant, Inc.
Location: San Francisco, California, United States 12 work roles 2 schools
1 work email found @sig.gy 7 phones found area 415, 805, 818, and 510 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 7 phones

Work email a****@sig.gy
Direct phone (415) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Buoyant, Inc.
Role
Software Engineer at Buoyant, Inc.
Location
San Francisco, California, United States

Who is Andrew Seigner? Overview

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Quick answer

Andrew Seigner is listed as Software Engineer at Buoyant, Inc. at Buoyant, Inc., based in San Francisco, California, United States. AeroLeads shows a work email signal at sig.gy, phone signal with area code 415, 805, 818, 510, and a matched LinkedIn profile for Andrew Seigner.

Andrew Seigner previously worked as Software Engineer at Buoyant, Inc. and Maintainer at Linkerd. Andrew Seigner holds Ba, Applied Mathematics With Cs Emphasis from University Of California, Berkeley.

Company email context

Email format at Buoyant, Inc.

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{first}@sig.gy
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AeroLeads found 1 current-domain work email signal for Andrew Seigner. Compare company email patterns before reaching out.

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Profile bio

About Andrew Seigner

Software Engineer with programming experience in Golang, C, Ruby, and JavaScript. Distributed systems experience working in AWS, Google Cloud, Kubernetes, Apache Mesos, DC/OS, and Docker.https://sig.gy

Listed skills include Software Development, Software Engineering, Mobile Applications, Distributed Systems, and 27 others.

Current workplace

Andrew Seigner's current company

Company context helps verify the profile and gives searchers a useful next step.

Buoyant, Inc.
Buoyant, Inc.
Software Engineer at Buoyant, Inc.
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12 roles

Andrew Seigner work experience

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

Software Engineer

Current
Buoyant, Inc.

San Francisco, California, Us

• Full-stack software engineer helping to design and build an open source high-performance service mesh (https://linkerd.io).• Backend systems in Scala and Go.• Frontend systems in JavaScript / React.• Productionized and deployed systems using Docker, Kubernetes, Azure, Google Cloud, Marathon, Mesos, and EC2.• Speaker at KubeCon + CloudNativeCon North America 2018, Europe 2018, 2019, 2020• Authored blog posts on Linkerd, Conduit, Prometheus, DC/OS, ECS, and Istio: https://blog.linkerd.io/

Oct 2015 - Present

Maintainer

Linkerd

Core maintainer of the open source Linkerd service mesh. Focus areas included metrics/observability/diagnostics, CLI, build/release/installation.

Oct 2015 - Jan 2021

Engineering Manager

Twitter

San Francisco, Ca, Us

• Manager of the Trust & Safety Engineering and Platform Tools teams.• Directly managed 10 to 15 local and remote software engineers.• Responsible for recruiting, promotion, and performance coaching.• Primary customers included Trust & Safety, Platform Operations, Ad Operations, and Media.• Accountable to customers via quarterly roadmap, measurable via pre-defined metrics.• Built and maintained the company's primary tools platform, written in Sinatra and JavaScript, interfaced with over 50 services via Thrift and HTTP, discovered via ZooKeeper.• Built and maintained the company's primary user and authentication realtime audit systems.

Jul 2012 - Oct 2015

Senior Software Engineer

Twitter

San Francisco, Ca, Us

• Full-stack developer on the Trust & Safety Engineering team.• Backend services in Scala and Rails.• Frontend services in Sinatra and JavaScript.• Interfaced directly with customers in Trust & Safety. Gathered requirements, wrote designs, and built systems for government requests for information, DMCA takedowns, and sensitive media.• Built realtime Tweet search system to combat spam and abuse, indexing 30 days of Tweets at 3000 tweets/second.• Oncall for spam and abuse incidents.

Jun 2010 - Jun 2012

Advisor

Agogo Amalgamated, Inc.

New York, Ny, Us

Technical advisor, built prototype RSS aggregator using Rails.

Dec 2011 - May 2012

Co-Founder

Heypic.Me

Realtime Twitter photo display on a Google Map. Built with MySQL, Python/WSGI, PHP, and JS, running on EC2.

Aug 2009 - Jun 2010

Senior Software Engineer

Gracenote

Emeryville, Ca, Us

• Lead developer on Gracenote's PC SDK software suite, used in many desktop software applications including iTunes and Winamp, and in software by Yahoo, Sony, Samsung, LG, and Nokia.• Developer on Gracenote’s Device SDK software suite, used in many consumer electronics devices, including car stereo units by Alpine, Clarion, and Panasonic.

Jan 2008 - May 2010

Software Engineer

Gracenote

Emeryville, Ca, Us

Jan 2004 - Jan 2008

Software Engineer (Contractor)

Gracenote

Emeryville, Ca, Us

Jun 2003 - Jan 2004

Esl Instructor

Oedae Language Institute
Feb 2002 - Feb 2003
2 education records

Andrew Seigner education

Ba, Applied Mathematics With Cs Emphasis

University Of California, Berkeley

Education record

University Of Pittsburgh
FAQ

Frequently asked questions about Andrew Seigner

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

What company does Andrew Seigner work for?

Andrew Seigner works for Buoyant, Inc..

What is Andrew Seigner's role at Buoyant, Inc.?

Andrew Seigner is listed as Software Engineer at Buoyant, Inc. at Buoyant, Inc..

What is Andrew Seigner's email address?

AeroLeads has found 1 work email signal at @sig.gy for Andrew Seigner at Buoyant, Inc..

What is Andrew Seigner's phone number?

AeroLeads has found 7 phone signal(s) with area code 415, 805, 818, 510 for Andrew Seigner at Buoyant, Inc..

Where is Andrew Seigner based?

Andrew Seigner is based in San Francisco, California, United States while working with Buoyant, Inc..

What companies has Andrew Seigner worked for?

Andrew Seigner has worked for Buoyant, Inc., Linkerd, Off The Grid Services, Llc, Code Coup, and Twitter.

How can I contact Andrew Seigner?

You can use AeroLeads to view verified contact signals for Andrew Seigner at Buoyant, Inc., including work email, phone, and LinkedIn data when available.

What schools did Andrew Seigner attend?

Andrew Seigner holds Ba, Applied Mathematics With Cs Emphasis from University Of California, Berkeley.

What skills is Andrew Seigner known for?

Andrew Seigner is listed with skills including Software Development, Software Engineering, Mobile Applications, Distributed Systems, Javascript, C, Agile Methodologies, and Ruby.

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