Apr 2024 - Present
AeroLeads people directory · profile
Jonathan W. Email & Phone Number
Software Engineer | Python
at
Ciena
LinkedIn matched
✓ Verified May 2026
3 data sources
Profile completeness 86%
Current company
Role
Software Engineer | Python
Location
San Francisco Bay Area, United States, United States
Company size
Who is Jonathan W.? Overview
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Quick answer
Jonathan W. is listed as Software Engineer | Python at Ciena, a company with 7424 employees, based in San Francisco Bay Area, United States, United States. AeroLeads shows a matched LinkedIn profile for Jonathan W..
Jonathan W. previously worked as Senior Software Engineer at Ciena and Embedded Software Engineer at Ciena. Jonathan W. holds M.Sc., Electrical & Computer Engineering, 3.89 / 4.0 from University Of California, Davis.
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Ciena
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Profile bio
About Jonathan W.
I am not currently seeking new opportunities at this time.I am an experienced Software Engineer, combining both large company and startup experience through a variety of different Engineering roles.My passion is Software Development, in which I have over 20 years of experience. I have over 15 years of experience developing highly reliable, modular, object-oriented software (not scripts) using Python. Throughout my career, I've demonstrated I can take complicated, challenging technical problems and transform them in working solutions ahead of time and exceeding expectations.Specialities: python, software development, programming, automation, test automation, test, testing, quality assurance, qa, test driven development, tdd, unit test, unittest, continuous integration, mysql, database, big data analysis, data analytics, statistics
Current workplace
Jonathan W.'s current company
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Ciena
9 roles
Jonathan W. work experience
A career timeline built from the work history available for this profile.
Embedded Software Engineer
Jan 2023 - Jun 2024
Manager, Hardware Engineering
Software engineering role within the Hardware R&D team. Responsibilities, include, but are not limited to, the development of advanced calibration algorithms of the hardware and laser optics, utilizing state-of-the-art techniques such as machine learning and neural networks. Programmatically interfacing with Salesforce as it is used as our backend database.
Jun 2021 - Feb 2023
Senior Software Systems Engineer
Nov 2019 - Jun 2021
Jun 2017 - Nov 2019
Software Engineering Manager
- Manager and lead Software Engineer of a team of other Software Engineers. Responsible for developing production test automation software and statistical data analysis.
- Solely developed test automation and calibration software for the AC Battery, Revenue-Grade Metering (RGM) gateway, and 5th-generation microinverter using Python2 on the Eclipse IDE with PyDev.
- Used multithreading for the automation and calibration of the test automation for the gateway product, so many units could be tested and calibrated in parallel.
- Uncovered problems early in the product development phase by developing regression, smoke and unittests that are run nightly via Continuous Integration.
- All software developed is highly reliable and achieved automotive-grade First- Pass Yields (FPY) of 98.5% FPY or higher for high production volumes of 10,000 units/day or more.
- Saved millions of dollars in capital equipment by reducing test automation times.
Aug 2012 - Jun 2017
Senior Software Engineer
- Responsible for developing test automation software. Built in-house a production test automation framework from scratch with database support and grew our automation volume capabilities from nothing to 4M+/yr.
- Defined, architected and implemented the software automation of the entire end-to-end production test processes using Python2 on the Eclipse IDE with PyDev. The automation software is run on 100% of all units that ship.
- Developed calibration software for the first 4 generations of microinverters.
- Developed APIs using MySQLdb and requests to save test results to a MySQL database. Created many innovative tools to control the test process flow via software. For example, developed software to ensure 100% of.
- Using PyInstaller, mercurial and Dell eKace, created tools to bundle the test software into a self-extracting installer that can be deployed to hundreds of client machines within minutes.
- Wore Data Scientist hat on numerous occasions: uncovered numerous key quality issues using statistical data modeling of large sets of data via PANDAS and numpy.
Aug 2008 - Aug 2012
Hardware Engineer
Part of a central team that provided custom hardware and software solutions to support multiple Test Engineering teams. In addition to the Hardware Engineer role, executed multiple other job roles, including Program Manager, CAD Engineer, Manufacturing Engineer, and Buyer/Planner. In this role, I designed PCB hardware to provide voltage margining testing.
Jan 2007 - Aug 2008
Test Development Engineer
- Software Developer of production automated testing for a variety of Cisco's optical telecom products.Key accomplishments include:
- Developed over 100,000 lines of highly reliable software, which automated the testing of Cisco's products in high-mix, low-volume production environments. Used LabWindows CVI and various scripting languages.
- Developed many reusable Object-Oriented software modules for a variety of cross-functional teams within Engineering and Quality Assurance.
- Successfully transferred, supported and maintained dozens of Cisco's products from North American to Asian Contract Manufacturers.
- Led initiatives and implemented models to save costs, overcome capacity/scalability issues, and streamline processes following DMAIC methodologies.
Jan 2001 - Jan 2007
Team & coworkers
Colleagues at Ciena
Other employees you can reach at ciena.com. View company contacts for 7424 employees →
KS
Kumari Shilpi
Colleague at CienaBengaluru, Karnataka, India, India
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PS
Pratik Shingala
Colleague at CienaOttawa, Ontario, Canada, Canada
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NP
Neeraj Purohit
Colleague at CienaChandigarh, India, India
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MA
Mohammed Abu Fares
Colleague at CienaNepean, Ontario, Canada, Canada
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FM
Fabíola Maués
Colleague at CienaUnited Kingdom, United Kingdom
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DN
David Nabi
Colleague at CienaBelfast Metropolitan Area, United Kingdom
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HB
Henry Booker
Colleague at CienaBrooklyn, New York, United States, United States
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DJ
Digvijay Jamwal
Colleague at CienaGurugram, Haryana, India, India
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AJ
Atul Jain
Colleague at CienaGurgaon, Haryana, India, India
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SB
Seema Bharti
Colleague at CienaKanata, Ontario, Canada, Canada
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Kumari Shilpi
Colleague at CienaBengaluru, Karnataka, India, India
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PS
Pratik Shingala
Colleague at CienaOttawa, Ontario, Canada, Canada
View →
NP
Neeraj Purohit
Colleague at CienaChandigarh, India, India
View →
MA
Mohammed Abu Fares
Colleague at CienaNepean, Ontario, Canada, Canada
View →
FM
Fabíola Maués
Colleague at CienaUnited Kingdom, United Kingdom
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DN
David Nabi
Colleague at CienaBelfast Metropolitan Area, United Kingdom
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HB
Henry Booker
Colleague at CienaBrooklyn, New York, United States, United States
View →
DJ
Digvijay Jamwal
Colleague at CienaGurugram, Haryana, India, India
View →
AJ
Atul Jain
Colleague at CienaGurgaon, Haryana, India, India
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SB
Seema Bharti
Colleague at CienaKanata, Ontario, Canada, Canada
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2 education records
Jonathan W. education
M.Sc., Electrical & Computer Engineering, 3.89 / 4.0
B.Sc., Electrical Engineering, Computer Engineering, 3.57 / 4.0
FAQ
Frequently asked questions about Jonathan W.
Quick answers generated from the profile data available on this page.
What company does Jonathan W. work for?
Jonathan W. works for Ciena.
What is Jonathan W.'s role at Ciena?
Jonathan W. is listed as Software Engineer | Python at Ciena.
Where is Jonathan W. based?
Jonathan W. is based in San Francisco Bay Area, United States, United States while working with Ciena.
What companies has Jonathan W. worked for?
Jonathan W. has worked for Ciena, Tibit Communications, Inc., Apple, Enphase Energy, and Cisco.
Who are Jonathan W.'s colleagues at Ciena?
Jonathan W.'s colleagues at Ciena include Kumari Shilpi, Pratik Shingala, Neeraj Purohit, Mohammed Abu Fares, and Fabíola Maués.
How can I contact Jonathan W.?
You can use AeroLeads to view verified contact signals for Jonathan W. at Ciena, including work email, phone, and LinkedIn data when available.
What schools did Jonathan W. attend?
Jonathan W. holds M.Sc., Electrical & Computer Engineering, 3.89 / 4.0 from University Of California, Davis.
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