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Joseph Castillo Email & Phone Number

Full Stack Developer at TrueNorth
Location: Guatemala City, Guatemala, Guatemala 5 work roles 1 school
1 work email found @truenorth.co LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email j****@truenorth.co
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
TrueNorth
Role
Full Stack Developer
Location
Guatemala City, Guatemala, Guatemala
Company size
50 employees

Who is Joseph Castillo? Overview

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Quick answer

Joseph Castillo is listed as Full Stack Developer at TrueNorth, a company with 50 employees, based in Guatemala City, Guatemala, Guatemala. AeroLeads shows a work email signal at truenorth.co and a matched LinkedIn profile for Joseph Castillo.

Joseph Castillo previously worked as Front End Engineer at Truenorth and Founder of the Aryeh Leadership Experience at Autónomo. Joseph Castillo studied at High School Diploma.

Company email context

Email format at TrueNorth

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{first}.{last}@truenorth.co
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AeroLeads found 1 current-domain work email signal for Joseph Castillo. Compare company email patterns before reaching out.

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Profile bio

About Joseph Castillo

An accomplished and result-oriented Full Stack Developer with years of experience in leading projects through all phases of the software development life cycle, specifically, requirements gathering, coding, and testing. Proficient in HTML, CSS, JQuery, SQL, and ReactJS with the ability to quickly adapt to new software packages and programming languages. Experienced in collaborative project work from the implementation phase to the integration phase utilizing source control in an efficient manner. A focused individual who excels at prioritizing, completing multiple tasks simultaneously, and following through to achieve goals. A detail-oriented individual with a highly professional attitude, problem-solving, relationship-building skills, and ability to perform well in a team. Looking for an opportunity in a dynamic organization where my experience will be fully utilized.

Current workplace

Joseph Castillo's current company

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

TrueNorth
Truenorth
Full Stack Developer
san francisco, california, united states
Website
truenorth.co
Employees
50
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Company profile
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5 roles · 9 years

Joseph Castillo work experience

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

Front End Engineer

Current
Truenorth
Mar 2023 - Present

Founder Of The Aryeh Leadership Experience

Current
Autónomo

Israel

May 2020 - Present

Full Stack Developer

Kamwise
  • Involved in all phases of Software Development Life Cycle (SDLC) like gathering the requirements, analysis, design, development, unit testing and deployment of the project.
  • Created JAX-RS RESTful web services for GET, POST, PUT and DELETE requests.
  • Used POSTMAN Rest client for chrome to test all the services.
  • Integrated with backend by making Restful web service calls in AngularJS.
  • Compared usefulness of Static Code Analysis tools in detecting security flaws and code quality.
2020 - Mar 2023

Full Stack Developer

Stormgeo
  • Developed responsive websites based on client requirements.
  • Worked on custom back-end applications for clients.
  • Communicated directly with clients to ascertain their needs.
  • Incorporate collaborative efforts with the team to improve development.
  • Research and learn new technologies and frameworks to improve skills.
  • Organized roles throughout the team to increase productivity.
2018 - 2020 ~2 yrs

Freelance Full Stack Developer

Stormgeo
  • Developed websites using various frameworks and programming technologies including PHP, MySQL, CSS/CSS3
  • Optimized web assets for speed and performance
  • Oversaw troubleshooting of technical issues to solve problems quickly and efficiently using various resources such as Google and Stackoverflow.com
  • Developed wireframes to guide other developers on new website designs
  • Ensured the development of well-designed and testable code.
  • Gathered and evaluated user feedback.
2017 - 2018 ~1 yr
Team & coworkers

Colleagues at TrueNorth

Other employees you can reach at truenorth.co. View company contacts for 50 employees →

DR Danny Ramos Danny Ramos Colleague at TruenorthFramingham, Massachusetts, United States, United States View → FC Facundo Clapier Facundo Clapier Colleague at TruenorthArgentina, Argentina View → RG Richard Gerome Gallofin Richard Gerome Gallofin Colleague at TruenorthPhilippines, Philippines View → MJ Mary Jo Knapper Mary Jo Knapper Colleague at TruenorthBrunswick, Ohio, United States, United States View → TT Tiff Tho Tiff Tho Colleague at TruenorthVancouver, British Columbia, Canada, Canada View → GB Gabriele Block Gabriele Block Colleague at TruenorthOshkosh, Wisconsin, United States, United States View → DO Daniel Osuna Daniel Osuna Colleague at TruenorthArgentina, Argentina View → JI Juan Ignacio Bollero Juan Ignacio Bollero Colleague at TruenorthArgentina, Argentina View → ER Eleanor Ryan Eleanor Ryan Colleague at TruenorthArgentina, Argentina View → SA Sabrina Andrea Funes Sabrina Andrea Funes Colleague at TruenorthArgentina, Argentina View →
1 education record

Joseph Castillo education

  • High School Diploma
    High School Diploma
FAQ

Frequently asked questions about Joseph Castillo

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

What company does Joseph Castillo work for?

Joseph Castillo works for TrueNorth.

What is Joseph Castillo's role at TrueNorth?

Joseph Castillo is listed as Full Stack Developer at TrueNorth.

What is Joseph Castillo's email address?

AeroLeads has found 1 work email signal at @truenorth.co for Joseph Castillo at TrueNorth.

Where is Joseph Castillo based?

Joseph Castillo is based in Guatemala City, Guatemala, Guatemala while working with TrueNorth.

What companies has Joseph Castillo worked for?

Joseph Castillo has worked for Truenorth, Autónomo, Kamwise, and Stormgeo.

Who are Joseph Castillo's colleagues at TrueNorth?

Joseph Castillo's colleagues at TrueNorth include Danny Ramos, Facundo Clapier, Richard Gerome Gallofin, Mary Jo Knapper, and Tiff Tho.

How can I contact Joseph Castillo?

You can use AeroLeads to view verified contact signals for Joseph Castillo at TrueNorth, including work email, phone, and LinkedIn data when available.

What schools did Joseph Castillo attend?

Joseph Castillo studied at High School Diploma.

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