Sam Bayless
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Sam Bayless Email & Phone Number

Partner Group Engineering Manager at Microsoft
Location: Bellevue, Washington, United States 8 work roles 1 school
3 work emails found @microsoft.com 2 phones found area 425 and 503 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 3 work emails · 2 phones

Work email s****@microsoft.com
Direct phone (425) ***-****
LinkedIn Profile matched
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Current company
Role
Partner Group Engineering Manager
Location
Bellevue, Washington, United States
Company size

Who is Sam Bayless? Overview

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Sam Bayless is listed as Partner Group Engineering Manager at Microsoft, a with 10 employees, based in Bellevue, Washington, United States. AeroLeads shows a work email signal at microsoft.com, phone signal with area code 425, 503, and a matched LinkedIn profile for Sam Bayless.

Sam Bayless previously worked as Principal Software Engineering Manager at Microsoft and Senior Software Development Engineer at Microsoft. Sam Bayless holds Computer Engineering, Computer Engineering from Washington State University.

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Email format at Microsoft

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{first_initial}{last}@microsoft.com
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Profile bio

About Sam Bayless

Professional Skills• 12 years professional C++/C# development experience• Fluent in C, C++, C#• Extensive experience designing, developing and debugging large scale distributed real time online services • Management experience for teams up to 13 people• Background in multi-threaded high performance development• Competent at debugging performance issues using XPERF, WPA and ETW traces• Experience with SQL, XML, HTML, JSON• Passion for game development• Strong leadership skills• Independent learner• Experienced Windows and Linux user• CJIS and IT-2 government clearancesGoalsTo reach my full potential as a software developer and pursue my passion as a game developer while growing in my understanding of sound engineering principles, high performance algorithms and real time online distributed systems.Specialties: Real time online services built for large scale-ability and high availability.

Listed skills include Distributed Systems, High Availability, Search Advertising, Software Engineering, and 15 others.

Current workplace

Sam Bayless's current company

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Microsoft
Microsoft
Partner Group Engineering Manager
Redmond, WA
Website
Employees
10
AeroLeads page
8 roles

Sam Bayless work experience

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

Partner Group Engineering Manager

Current

Redmond, Washington, Us

Manage the team responsible for ObjectStore which is a distributed, low latency, high availability, searchable no SQL data table similar to systems like DynamoDB or MongoDB. ObjectStore has grown its capabilities over the years to include full text search as well as deep learning inferences and vector search. It also supports many levels of compliance such as SOC, FedRamp, ITAR and Air-gapped environments.• Manage a geo-distributed team of 40+ engineers across the US, China and India ensuring excellent collaboration, mentorship and direction.• Drive future vision and planning in order to ensure live site goals and new customer scenarios are met.• Leading compliance efforts including personally attending and leading audits (SOC, FedRamp, ITAR).• Expanded usage beyond Bing into Office and Azure resulting in 10’s of millions of dollars savings.• Bootstrapped a new development team in India of 10 developers getting them highly productive in ~9 months.• Directly lead work to minimize live site effort while scaling the system up from 15k machines hosting 5k tables to 130k machines hosting 30k tables.• Member of production on call loop (the only group manager still doing this on the broader team).• Integrated with several open-source systems including Spark, RocksDB, HBase and HDFS.• ObjectStore Architecture: https://www.microsoft.com/en-us/research/blog/evolution-bings-objectstore/

Dec 2022 - Present

Principal Software Engineering Manager

Redmond, Washington, Us

Manage the team responsible for ObjectStore which is a distributed, low latency, high availability, searchable no SQL data table similar to systems like DynamoDB or MongoDB. ObjectStore has grown its capabilities over the last years to include super efficient graph traversals as well as deep learning inferences and vector search. It also supports many levels of compliance such as SOC, FedRamp and ITAR.• Drive the future vision and planning for the team in order to ensure live site goals are met and new customer scenarios are handled.• Leading effort to create best in industry graph traversal service.• Leading compliance efforts including personally attending and leading audits.• Manage and mentor team members to ensure high quality, moral and team interactions.• Work with Partner teams inside Microsoft to understand their usage scenarios and make sure they are worked back into our plans. • Personally lead work to keep the manual live site effort the same while scaling the system up from 500 machines hosting a dozen tables to 30,000 machines hosting 10,000 tables.• CJIS and IT-2 government clearancesYou can read about ObjectStore here: https://www.microsoft.com/en-us/research/blog/evolution-bings-objectstore/

Dec 2015 - Dec 2022

Senior Software Development Engineer

Redmond, Washington, Us

Work on ObjectStore which is a distributed, low latency, high availability no SQL data table similar to systems like Casandra or MongoDB.• Technical lead responsible for keeping the availability high and that latency low for the live site of the system.• Lead work to keep the manual live site effort the same while scaling the system up from 500 machines host a dozen tables to 15,000 machines hosting 5,000 tables.• Owner of data replication and consistency between replicas.• Member of the top level of live site responsible individuals who respond to issues in real time.• Responsible for mentoring and on-boarding new team members • Participate and sign off on major designs for future features

Mar 2013 - Dec 2015

Software Development Engineer 2

Redmond, Washington, Us

Worked on the next generation of Pegasus system now called ObjectStore. ObjectStore is a distributed, low latency, high availability no SQL data table similar to systems like Casandra or MongoDB. However, unlike Pegasus, ObjectStore runs in a service model instead of a platform model.• Owner of data replication and consistency system between replicas• Member of the top level of live site responsible individuals who respond to issues in real time• Main mentor for new team members to help on-board them to the team• Interfaced with customer teams to help them find the best designs for their applications while using our system

Mar 2011 - Mar 2013

Software Development Engineer

Redmond, Washington, Us

I worked on Pegasus which is a distributed, low latency, high availability no SQL data table similar to systems like Casandra or MongoDB.• Implemented and tested features to improve the cross replica data consistency of the system• Implemented and tested features to improve the customer experience when working with tables• Participated in live site investigations and made fixes to support the stability of the system.

May 2008 - Mar 2011

Indie Game Developer

Etherscape.Io

I am an independent game developer who has shipped on PC, Mobile and Xbox. My games have been downloaded over 1 million times so far.• Majority of the dev work is done by me in Unity C# • Assembled and led a team consisting of artists, sound engineers, writers and developers• Top game has a 4.5/5 star rating with over 1,600 reviews in USA• Integration with Web3 platforms such as EnjinCurrent Game: https://Etherscape.io

Software Development Engineer Intern

Redmond, Washington, Us

Began a project to migrate the Pegasus system onto the Bing datacenter automation platform known as Autopilot. This work was the start of what ultimately resulted in the entire Delivery Engine team moving to adopt Autopilot.

May 2007 - Aug 2007

Systems Integration Intern

Par3 Communications

Worked with large customers such as Bank of America to develop automated telecommunications applications for them such as credit card fraud alerting

May 2006 - Aug 2006
Team & coworkers

Colleagues at Microsoft

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1 education record

Sam Bayless education

  • Washington State University
    Washington State University
    Computer Engineering
FAQ

Frequently asked questions about Sam Bayless

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

What company does Sam Bayless work for?

Sam Bayless works for Microsoft.

What is Sam Bayless's role at Microsoft?

Sam Bayless is listed as Partner Group Engineering Manager at Microsoft.

What is Sam Bayless's email address?

AeroLeads has found 3 work email signals at @microsoft.com for Sam Bayless at Microsoft.

What is Sam Bayless's phone number?

AeroLeads has found 2 phone signal(s) with area code 425, 503 for Sam Bayless at Microsoft.

Where is Sam Bayless based?

Sam Bayless is based in Bellevue, Washington, United States while working with Microsoft.

What companies has Sam Bayless worked for?

Sam Bayless has worked for Microsoft, Etherscape.Io, Microsoft - Adcenter Delivery Engine, and Par3 Communications.

Who are Sam Bayless's colleagues at Microsoft?

Sam Bayless's colleagues at Microsoft include Sujin Gopi, Suellen Costa Dos Santos, Dennis Steltjes, Srini Dodda, and Malik Khyam.

How can I contact Sam Bayless?

You can use AeroLeads to view verified contact signals for Sam Bayless at Microsoft, including work email, phone, and LinkedIn data when available.

What schools did Sam Bayless attend?

Sam Bayless holds Computer Engineering, Computer Engineering from Washington State University.

What skills is Sam Bayless known for?

Sam Bayless is listed with skills including Distributed Systems, High Availability, Search Advertising, Software Engineering, Mobile Game Development, Game Development, Software Development, and Unity3D.

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