Resumé
Mariano
Role: Manual QA
Experience: 5+ years
Profile
Results-oriented IT and QA professional with over 15 years of experience driving quality, risk
management, and process optimization in technology and financial environments. Known for
leading teams, leveraging automation, and creating robust project frameworks to deliver reliable
production systems and actionable business insights.
Skills & Technologies
Programming languages:
JavaScript, Python, TypeScript, SQL
Databases:
MySQL, PostgreSQL, Oracle Database
Operating Systems:
GNU/Linux, Windows.
Frameworks & Libraries:
Postman, JMeter, Playwright, Cypress, Spreadsheets
Tools and IDEs:
Visual Studio Code, Notebook, Eclipse,
ApacheJMeter, DBeaver, Jenkins, PowerShell,
Postman, Confluence, Office tools, Grafana
Others:
Jira, GitHub, HTML, CSS
Experience
Bosonic Digital (USA) — Quality Assurance Lead & Trading Operations
Description: In my role leading Quality Assurance for the Bosonic trading platform, I defined and
executed the overall QA strategy, designing comprehensive protocols to ensure reliability and
client trust in trading operations. I was responsible for building and mentoring a team of QA
engineers, guiding them in the adoption of both manual and automated testing methodologies
to strengthen feature coverage and release performance.
A core focus of my tenure was advancing automation coverage, ultimately exceeding 85% of
feature testing through sophisticated frameworks and tooling. This achievement drove
significant improvements in regression detection and overall release confidence. I closely
coordinated with product managers and developers to refine test protocols and review defect
reports, ensuring cross-functional clarity and systematic defect resolution.
My responsibilities/deliverables were:
•
Defined, strategized, and implemented end-to-end QA protocols, establishing the
foundation for rigorous platform-wide quality controls.
•
Directed and mentored a team of up to 3 QA engineers, driving the adoption of manual
and automated testing methodologies to enhance feature coverage and release
reliability.
•
Coordinated closely with product/project managers and developers, contributing to
precise test protocols and effective defect review processes.
•
Oversaw QA workflows for trading operations, ensuring accuracy in final Net Settlement
and consistency of client transaction records across the system.
Main technologies and tools involved: Postman, JMeter, Playwright, Cypress, Spreadsheets, Git,
JavaScript, Python, SQL.
Methodologies: Agile (Scrum), Waterfall, CI/CD practices.
Team size: 12 (1 Project Manager, 4 QA Engineer, 1 TechLead, 6 Devs, 1 blockchain developer, 1
Devop).
Duration: Sep 2020 – Sep 2025.
Nuevo Banco de Entre Ríos (Argentina) — Management Control Analyst
Description: As Managed Control Analyst at Nuevo Banco de Entre Ríos, I was responsible for
ensuring robust control assurance and effective risk management across a network of 49
branches, operating within Argentina’s regulated banking environment. My role centered on the
continuous development and production of analytical reports that drove operational
improvement and compliance monitoring throughout the organization.
I partnered closely with teams in Risk, Audit, and Compliance to collaboratively design, test, and
maintain comprehensive control frameworks. This cross-functional engagement was vital in
aligning operational procedures with regulatory expectations and internal governance
standards. I spearheaded the deployment of advanced data analytics tools, enabling dynamic
performance tracking and proactive vulnerability assessments that enhanced the bank’s risk
My responsibilities/deliverables were:
•
Maintained and produced analytical reports driving operational improvement and
compliance monitoring.
•
Led the deployment of data analytics tools for performance tracking and vulnerability
assessment.
•
Delivered strategic advice and actionable insights directly to senior management.
Main technologies and tools involved: Excel, SQL, institutional data systems, proprietary banking
risk platforms.
Methodologies: Waterfall, Risk-Based Auditing.
Team Size: 6 (Audit, Compliance, Operations, Accountants).
Duration: Aug 2011 – Mar 2021.
Trascender SRL (Argentina - SF) — IT Junior: DBA, BI Reporting & QA
Description: In my position supporting regional customers, I was responsible for the
administration, monitoring, and continual optimization of SQL databases, ensuring robust data
integrity and system reliability. My work encompassed the development and ongoing
enhancement of BI dashboards, where I transformed complex data into actionable business
intelligence insights, empowering users to make informed decisions.
Collaboration with software development teams was a core aspect of my role, focused on
streamlining data flows and elevating reporting accuracy. I consistently sought opportunities to
learn and adapt new methodologies, spearheading process improvements that benefitted
system efficiency and user experience. Additionally, I benchmarked, documented, and helped
disseminate technology best practices for team-wide adoption, contributing to organizational
knowledge and performance
My responsibilities/deliverables were:
•
Ensured compliance and reliability through test plans and documentation.
•
Collaborated with software teams to improve data flow and reporting precision.
•
Learned and adapted new methodologies, implementing process improvements across
systems.
•
Benchmarked and documented technology best practices for team adoption.
Technologies/Tools: MySQL, Excel, VBA, Jasper BI.
Methodologies: Manual QA, basic Agile documentation, process audits.
Duration: Apr 2008 – Aug 2010
Team Size: 7 (1 Team Leader, 5 Dev, 1 QA/BI/DBA)
Education
Associate Degree in Programming
Universidad Tecnológica Nacional –
Facultad Regional Paraná (UTN-FRP).
Courses
2025
2025
2025
Initiation to AI Development Course
(BigSchool) — ongoing
The course covers essential AI concepts
and development practices, introducing
students to machine learning algorithms,
data preprocessing, model training, and
evaluation techniques. With a focus on
practical implementation, the program
guides participants through building
simple AI applications and understanding
their real-world impact. As the course
progresses, I continue to expand my
proficiency with AI tools, frameworks,
and ethical considerations relevant to
modern AI development
Playwright with JavaScript initiation ongoingThe course provides a practical
introduction to automated web testing
using Playwright, a modern testing
framework for browser-based
applications. Throughout the course,
participants learn fundamental concepts
of Playwright, including setting up the
testing environment, scripting browser
interactions, and validating application
functionality with JavaScript. The training
emphasizes hands-on experience in
building, running, and debugging
automated tests for web pages, covering
key areas like UI verification, user
workflow simulation, and cross-browser
compatibility.
Functional Programming with JavaScript
(LinkedIn) — ongoing/self-taught
The course introduces participants to the
core principles and techniques of
functional programming within the
2025
2011
-
JavaScript ecosystem. The curriculum
explores concepts such as pure functions,
immutability, higher-order functions, and
function composition, emphasizing the
advantages of clean, modular, and
maintainable code. Learners engage with
practical exercises to apply map, reduce,
filter, and other functional paradigms to
real-world programming challenges. The
course also covers best practices in
leveraging functional programming for
state management and data
transformation, enabling students to
write more expressive and efficient
JavaScript applications.
Postman Essential Training (LinkedIn
Learning)
The course on LinkedIn Learning teaches
learners how to write, run, and automate
API tests using Postman, a popular tool
for API testing and automation. The
curriculum is led by Kristin Jackvony and
is designed for those with a basic
understanding of command-line usage
and HTTP requests.
Java Intermediate Level II
The course focuses on advancing Java skills
beyond the basics, using practical projects
and real-world examples to reinforce
learning. This level is typically aimed at
learners who already understand core
concepts like variables, loops, and basic
OOP and want to expand their abilities
with more complex programming
techniques.
Java Basic
The course introduces learners to the
fundamentals of Java programming and
the core concepts needed to start building
simple applications. This type of course is
designed for absolute beginners or
developers who want a fresh start in Java.
Languages
English
Spanish
Upper-Intermediate (B1)
Native
