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Martín Ossa Email & Phone Number
Senior Accountant
at
Upsun (formerly Platform.sh)
LinkedIn matched
✓ Verified July 2026
3 data sources
Profile completeness 86%
Current company
Role
Senior Accountant
Location
Montpellier, Occitanie, France
Company size
Who is Martín Ossa? Overview
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Quick answer
Martín Ossa is listed as Senior Accountant at Upsun (formerly Platform.sh), a with 184 employees, based in Montpellier, Occitanie, France. AeroLeads shows a matched LinkedIn profile for Martín Ossa.
Martín Ossa previously worked as Accountant at Platform.Sh and Full Stack Web Developer at High-Lighted Personal Projects. Martín Ossa holds Full-Stack Web Developer, Web/Multimedia Management And Webmaster from Microverse.
Company email context
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Upsun (formerly Platform.sh)
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Profile bio
About Martín Ossa
Hi!I have over 10 years of experience in Finance and Accounting working in multinational environments. Over my carreer, I engaged in different roles such as Internal Control Specialist, AP Specialist and a Collections Team Lead. Here are some of my main achievements:- As a Collections Team Lead: our team broke the all-time record of monthly cash collected amount.- As an Internal Control Specialist: earned "Adequately controlled" country qualification in Corporate Internal Audits.I'm an avid learner, always looking to improve and add new skills. I look forward to connecting with professionals in the industry to explore opportunities to grow. If you think I can benefit your organization, please feel free to reach out!
Current workplace
Martín Ossa's current company
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Upsun (Formerly Platform.Sh)
7 roles
Martín Ossa work experience
A career timeline built from the work history available for this profile.
Accountant
Current
Mar 2024 - Present
Full Stack Web Developer
High-Lighted Personal Projects
- I built and strengthened my skills on React, Redux and Rails by building personal projects.My last works:• CycleCruiser: a webapp for a company that rents motorcyles. User can add and delete motorcycles and create reservations to use them. Login and signup capabilities. Done collaboratively in a 4 member's team.• Space Traverler's Hub: single page web app for a company that provides commercial and scientific space travel services. The application will allow users to book rockets and join selected space missions. Done collaboratively in a 2 member's team.Furthermore, I've also done some projects with HTML, CSS and JavaScript,• Math Magicians: A single page app that displays a calculator and phrase generator app.• MO Bookstore: this site displays a bookstore where you can add and remove books from the collection.- At the same time, I got to mentor new students that started the Microverse program in recent times.
Jan 2023 - Mar 2024
Collections Team Lead
- Achieved an all-time record on monthly cash collected amount, result of a team inititative I carried on.- Managed a remote team for >1 year, boosting productivity and keeping team morale high.- Improved reporting and data analysis using Powerquery and PowerBI.
Jan 2022 - Jul 2022
Internal Control And Ap Specialist
- Achieved an "Adequately controlled" qualification in >2 internal and external audits.- Remediated >10 Internal Control issues found in Self Assessments
Nov 2018 - Dec 2021
Purchasing Specialist
- Increased fulfillment speed of internal requirements for supplies and services- Increased savings on a year-to-year basis
Apr 2016 - Nov 2018
Collections Agent
- Efficiently collected and negotiated with customers- Presented KPIs and projects follow-ups to managment
Apr 2011 - Mar 2016
Team & coworkers
Colleagues at Upsun (formerly Platform.sh)
Other employees you can reach at platform.sh. View company contacts for 184 employees →
DP
Dipak Pawar
Colleague at Upsun (Formerly Platform.Sh)Bengaluru, Karnataka, India
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LA
Laurent Arnoud
Colleague at Upsun (Formerly Platform.Sh)France
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GP
Giuseppe Piraino
Colleague at Upsun (Formerly Platform.Sh)Portugal
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CP
Chantal Pastorek
Colleague at Upsun (Formerly Platform.Sh)Orleans, Ontario, Canada
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AB
Andrew Baxter
Colleague at Upsun (Formerly Platform.Sh)Japan
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FM
Fabian Meissner
Colleague at Upsun (Formerly Platform.Sh)Hof, Bavaria, Germany
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MK
Milos Knezevic
Colleague at Upsun (Formerly Platform.Sh)Serbia
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TW
Thomas Webb
Colleague at Upsun (Formerly Platform.Sh)North Port-Sarasota Area, United States
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JG
Joanie Gauthier
Colleague at Upsun (Formerly Platform.Sh)Antibes, Provence-Alpes-Côte D'Azur, France
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AP
Ayano P.
Colleague at Upsun (Formerly Platform.Sh)Paris, Île-De-France, France
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Dipak Pawar
Colleague at Upsun (Formerly Platform.Sh)Bengaluru, Karnataka, India
View →
LA
Laurent Arnoud
Colleague at Upsun (Formerly Platform.Sh)France
View →
GP
Giuseppe Piraino
Colleague at Upsun (Formerly Platform.Sh)Portugal
View →
CP
Chantal Pastorek
Colleague at Upsun (Formerly Platform.Sh)Orleans, Ontario, Canada
View →
AB
Andrew Baxter
Colleague at Upsun (Formerly Platform.Sh)Japan
View →
FM
Fabian Meissner
Colleague at Upsun (Formerly Platform.Sh)Hof, Bavaria, Germany
View →
MK
Milos Knezevic
Colleague at Upsun (Formerly Platform.Sh)Serbia
View →
TW
Thomas Webb
Colleague at Upsun (Formerly Platform.Sh)North Port-Sarasota Area, United States
View →
JG
Joanie Gauthier
Colleague at Upsun (Formerly Platform.Sh)Antibes, Provence-Alpes-Côte D'Azur, France
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AP
Ayano P.
Colleague at Upsun (Formerly Platform.Sh)Paris, Île-De-France, France
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2 education records
Martín Ossa education
Full-Stack Web Developer, Web/Multimedia Management And Webmaster
Licenciatura, Major In Business Management
Universidad Nacional De Asunción
FAQ
Frequently asked questions about Martín Ossa
Quick answers generated from the profile data available on this page.
What company does Martín Ossa work for?
Martín Ossa works for Upsun (formerly Platform.sh).
What is Martín Ossa's role at Upsun (formerly Platform.sh)?
Martín Ossa is listed as Senior Accountant at Upsun (formerly Platform.sh).
Where is Martín Ossa based?
Martín Ossa is based in Montpellier, Occitanie, France while working with Upsun (formerly Platform.sh).
What companies has Martín Ossa worked for?
Martín Ossa has worked for Upsun (Formerly Platform.Sh), Platform.Sh, High-Lighted Personal Projects, and Dhl Express.
Who are Martín Ossa's colleagues at Upsun (formerly Platform.sh)?
Martín Ossa's colleagues at Upsun (formerly Platform.sh) include Dipak Pawar, Laurent Arnoud, Giuseppe Piraino, Chantal Pastorek, and Andrew Baxter.
How can I contact Martín Ossa?
You can use AeroLeads to view verified contact signals for Martín Ossa at Upsun (formerly Platform.sh), including work email, phone, and LinkedIn data when available.
What schools did Martín Ossa attend?
Martín Ossa holds Full-Stack Web Developer, Web/Multimedia Management And Webmaster from Microverse.
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