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Jonah Mann's Email & Phone Number

Senior Software Engineer at Databricks

Jonah Mann's Email Addresses

jo****[email protected] Personal Email

Jonah Mann's Phone Numbers

(213) ***-*162 Phone number

Jonah Mann's Work Experience


Senior Software Engineer

March 2020 to Present


Senior Software Engineer

April 2016 to February 2020

Marathon Trading LLC

Assistant Trader

July 2015 to February 2016

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Jonah Mann's Education

Lower Merion High School

December 2022 to December 2022

University of Pennsylvania

Bachelor of Applied Science (BAS), Computer Science

December 2022 to December 2022

Jonah Mann's Professional Skills Radar Chart

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Based on our findings, Jonah Mann is ...

52% Left Brained
48% Right Brained

Jonah Mann's Estimated Salary Range

About Jonah Mann's Current Company


Frequently Asked Questions about Jonah Mann

What company does Jonah Mann work for?

Jonah Mann works for Databricks

What is Jonah Mann's role at Databricks?

Jonah Mann is Senior Software Engineer

What is Jonah Mann's personal email address?

Jonah Mann's personal email address is jo****[email protected]

What is Jonah Mann's business email address?

Jonah Mann's business email address is [email protected]***.***

What is Jonah Mann's Phone Number?

Jonah Mann's phone (213) ***-*162

What industry does Jonah Mann work in?

Jonah Mann works in the Computer Software industry.

About Jonah Mann

💼 Past Experience

Jonah Mann's Work experiences:Software Engineer at Databricks in San Francisco, California, United States. . Senior Software Engineer at Google from April 2016 to February 2020 (3 years 11 months) in Mountain View. I worked on the backend of Google Voice.The Google Voice backend is written in Java using the standard Google toolkit. My work primarily focused on data access, retention, and storage. I also worked on various other parts of the codebase, especially notifications, client access permissions, and onboarding flow. I highlight a few projects below.Transaction management infrastructure. Google Voice was originally written with Megastore as its storage backend. Since 2016 all new code has been written atop Spanner, Megastore’s replacement. I built infrastructure which:* Safely maintains the correctness of Megastore’s optimistic concurrency semantics during concurrent modifications to Spanner tables.* Allow domain logic to be storage-system-agnostic.* Minimizes the time locks are held for.* Is used in 750+ files across multiple teams.Google Voice – Vault integration. I TLed Google Voice’s side of our integration with Vault, Google’s legal discovery service. The two main elements of Vault are data retention and search.* Designed the systems.* Led the implementation with support from a team of about five engineers.* Worked with QA and engprod to develop a test plan and write infrastructure to support automated tests.* Championed the project through to its Alpha launch.Team citizenship.* Hosted an intern in summer 2018 who received and accepted a full-time return offer.* Served on Google Voice’s business-hours and nights & weekends oncall rotations.* Led Google Voice’s data retention mapping initiative for GDPR compliance.* Served as Google Voice’s delegate on org-wide batch processing best practices committee.* Facilitated an Effective Java reading group.* Conducted 100+ SWE and PM technical interviews.* Served on intern hiring committee.Assistant Trader at Marathon Trading LLC from July 2015 to February 2016 (8 months) in Radnor, PA. Developed and deployed an automated ETF trading strategy.*Generated a statistical pricing model for the ETF to determine its fair value using R.*Developed trading logic: order strategy, position sizing, hedging strategy, and closing strategy.*Developed safety logic: position limits, panic conditions, and how to handle them.*Implemented the above using C# to subscribe to market data from Bloomberg, generate orders and send them to the exchange via a third-party API.*Created a clean user interface using WPF/xaml.*Wrote and maintained two sets of documentation: one for developers and one for nontechnical users.Periodically developed desktop applications for senior traders upon their request. Examples include apps which:*Calculate and display certain ratios between the movement of certain volatility products to anticipate short-term market movements with minutes’ lead-time.*Monitor hundreds of ETFs in realtime and alert the user if an ETF appears mispriced by any of various metrics. *Calculate and display information about the past and current realized and implied volatility of hundreds of stocksPerformed market

🎓 Education

Jonah Mann's Professional Background:- glaciology, survey work, earth science, forestry, biology- 3 years glaciology research with US Geological Survey- 1 year of research with Pennsylvania State University in Earth Science and Forestry- 1 year of graduate study with University of Pennsylvania in Computer Science- 3 years of undergraduate research in glaciology at Lower Merion High School.

💡 Technical & Interpersonal Skills

Jonah Mann has had experience as a software engineer, financial technology associate, product manager, and technical sergeant with Google. Mann has experience working on the backend of Google Voice, permissions management, and onboarding flows. He also has experience in data access, storage,ricane safety, and desktop applications.

Jonah Mann’s Personal Email Address, Business Email, and Phone Number

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In a nutshell

Jonah Mann's Ranking

Ranked #1,093 out of 21,860 for Senior Software Engineer in California

Jonah Mann's Personality Type

Introversion (I), Sensing (S), Thinking (T), Perceiving (P)

Average Tenure

2 year(s), 0 month(s)

Jonah Mann's Willingness to Change Jobs



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