John Colby
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John Colby Email & Phone Number

Applications Development Group Manager at Citi
Location: Tampa, Florida, United States 8 work roles 4 schools
2 work emails found @ibm.com 1 phone found area 813 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 1 phone

Work email j****@ibm.com
Direct phone (813) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Applications Development Group Manager
Location
Tampa, Florida, United States
Company size

Who is John Colby? Overview

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Quick answer

John Colby is listed as Applications Development Group Manager at Citi, a with 10 employees, based in Tampa, Florida, United States. AeroLeads shows a work email signal at ibm.com, phone signal with area code 813, and a matched LinkedIn profile for John Colby.

John Colby previously worked as Application Development Tech Lead at Citi and Watson Software Engineer at Ibm. John Colby holds Master Of Science (M.S.) In Computer Engineering, Computer Software Engineering from University Of Florida.

Company email context

Email format at Citi

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{first_initial}{last}@ibm.com
89% confidence

AeroLeads found 2 current-domain work email signals for John Colby. Compare company email patterns before reaching out.

Profile bio

About John Colby

Software Engineer with 10+ years of experience of enterprise software development and expertise in front-end development, building interactive and user-centered web applications. Passionate about learning, problem solving, troubleshooting and creating sleek and efficient user experiences. Seeking to utilize wide range of technical skills to add value to clients through high-quality, scalable, and maintainable software.

Listed skills include Software Engineering, Software Development, Java, Algorithms, and 22 others.

Current workplace

John Colby's current company

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

Citi
Citi
Applications Development Group Manager
Mumbai, Maharashtra
Website
Employees
10
AeroLeads page
8 roles

John Colby work experience

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

Applications Development Group Manager

Tampa, Fl, Us

Application Development Tech Lead

New York, New York, Us

Watson Software Engineer

Ibm

Armonk, New York, Ny, Us

Front-end Developer (2013 – 2023)Products: Watson Discovery Tooling (2019 – 2023), Watson Compare & Comply UI (2018 – 2019),Watson Engagement Advisor UI / Tooling (2016 – 2017), Watson Discovery UI (2013 – 2015) • Built and maintained several web applications for a variety of products integrated with IBM’s Watson Cloud APIs • Integrated analytics, feedback, and onboarding frameworks to foster data-driven user experience improvements • Implemented and maintained unit and integration test suites to prevent product quality regressions • Planned and directed test fests to ensure product quality • Deployed releases to production via CI / CD tools • Provided 24/7 support for applications via PagerDuty • Delivered code changes and conducted code reviews leveraging version control tools, primarily git • Exhibited new application functionality in live demos • Contributed to open source projects to improve client integration with IBM Cloud APIs, including richly interactive samples of components library (github.com/JohnWColby) • Collaborated with designers to improve user experience • Visited with clients to better understand real use cases and pain pointsTeam Lead (2020) • Led a dozen developers on the Watson Discovery Tooling team and coordinated resources towards high-value goals • Administered daily scrum and weekly prioritization meetings • Communicated team progress to stake holders throughout the organization • Aided transition to working from home during pandemicBack-end Developer (2015 – 2016) • Maintained scripts to ingest data and documents for Watson Discovery’s general knowledge base • Deployed and monitored weekly ingestion of public source unstructured documents and knowledge graph dataMentor for New IBMers • Guided new hires and interns as they joined IBM and integrated with their respective teams • Engaged new IBMers with career advice and best practices to thrive within IBM

Jun 2013 - Jun 2023

Watson Core Summer Intern

Ibm

Armonk, New York, Ny, Us

- Built tool to execute feature selection on data in order to improve the efficiency of machine learning algorithms, which reduces the time and hardware requirements of the Watson system- Watson is a Q&A system designed to comprehend natural language (IBM.com/Watson)

May 2012 - Jun 2013

Busboy

Chi Omega Sorority (Eta Delta Chapter)
Aug 2008 - May 2013

Ippd Program Engineering Student

Lockheed Martin

UF IPPD project sponsored by Lockheed Martin- Prototyped a remote-controlled and autonomous ATV under Dr. Eric Schwartz- Worked on an interdisciplinary engineering team over two semesters- Designed and created base station interface, network communication protocol, on-board interface, and vehicle autonomy, including waypoint navigation and obstacle avoidance

Aug 2011 - May 2012

Program Coordinator

Ymca Camp Wewa

Planned and oversaw all scheduled activities; directed the day camp program; trained and supervised staff

May 2011 - Aug 2011

Senior Counselor

Ymca Camp Wewa
Jun 2010 - Aug 2010
Team & coworkers

Colleagues at Citi

Other employees you can reach at citibank.com. View company contacts for 10 employees →

4 education records

John Colby education

Master Of Science (M.S.) In Computer Engineering, Computer Software Engineering

University Of Florida

Bachelor Of Science (B.S.), Computer Engineering

University Of Florida

Bachelor Of Arts (B.A.), Mathematics

University Of Florida

Education record

H.B. Plant High School
FAQ

Frequently asked questions about John Colby

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

What company does John Colby work for?

John Colby works for Citi.

What is John Colby's role at Citi?

John Colby is listed as Applications Development Group Manager at Citi.

What is John Colby's email address?

AeroLeads has found 2 work email signals at @ibm.com for John Colby at Citi.

What is John Colby's phone number?

AeroLeads has found 1 phone signal(s) with area code 813 for John Colby at Citi.

Where is John Colby based?

John Colby is based in Tampa, Florida, United States while working with Citi.

What companies has John Colby worked for?

John Colby has worked for Citi, Ibm, Chi Omega Sorority (Eta Delta Chapter), Lockheed Martin, and Ymca Camp Wewa.

Who are John Colby's colleagues at Citi?

John Colby's colleagues at Citi include Jolie Larose, Nina Ocasio, Siddharth Rawat, Amit Udasi, and Amit Naik.

How can I contact John Colby?

You can use AeroLeads to view verified contact signals for John Colby at Citi, including work email, phone, and LinkedIn data when available.

What schools did John Colby attend?

John Colby holds Master Of Science (M.S.) In Computer Engineering, Computer Software Engineering from University Of Florida.

What skills is John Colby known for?

John Colby is listed with skills including Software Engineering, Software Development, Java, Algorithms, Machine Learning, Microsoft Office, Software Design, and Javascript.

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