Hi, I’m Johnny Salgado Márquez, a software architect with over 25 years of experience in analysis, design, and development of systems across financial, healthcare, industrial, and telecommunications sectors. I specialize in web applications, distributed services, information security, and technology project management, and I enjoy turning complex ideas into scalable, secure solutions. I’m a founder of South Consulting & Technology EIRL and Southtech Software Solutions LLC, and I lead teams through architecture decisions, delivery planning, and quality assurance. I’m passionate about mentoring, clean code, and solving challenging problems with pragmatic, value-driven approaches. I’ve balanced hands-on development with leadership roles, enabling organizations to adopt cloud architectures, microservices, and secure software practices while delivering tangible outcomes.

Johnny Walter Salgado Márquez

Hi, I’m Johnny Salgado Márquez, a software architect with over 25 years of experience in analysis, design, and development of systems across financial, healthcare, industrial, and telecommunications sectors. I specialize in web applications, distributed services, information security, and technology project management, and I enjoy turning complex ideas into scalable, secure solutions. I’m a founder of South Consulting & Technology EIRL and Southtech Software Solutions LLC, and I lead teams through architecture decisions, delivery planning, and quality assurance. I’m passionate about mentoring, clean code, and solving challenging problems with pragmatic, value-driven approaches. I’ve balanced hands-on development with leadership roles, enabling organizations to adopt cloud architectures, microservices, and secure software practices while delivering tangible outcomes.

Available to hire

Hi, I’m Johnny Salgado Márquez, a software architect with over 25 years of experience in analysis, design, and development of systems across financial, healthcare, industrial, and telecommunications sectors. I specialize in web applications, distributed services, information security, and technology project management, and I enjoy turning complex ideas into scalable, secure solutions. I’m a founder of South Consulting & Technology EIRL and Southtech Software Solutions LLC, and I lead teams through architecture decisions, delivery planning, and quality assurance.

I’m passionate about mentoring, clean code, and solving challenging problems with pragmatic, value-driven approaches. I’ve balanced hands-on development with leadership roles, enabling organizations to adopt cloud architectures, microservices, and secure software practices while delivering tangible outcomes.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Owner at South Consulting & Technology EIRL
November 1, 2009 - Present
Founder and principal contributor providing software architecture, backend development, QA leadership, and cloud consulting. Led QA initiatives for Universidad Continental de Huancayo (2023–2025), including stress testing, clean code validation, and OWASP vulnerability prevention; served as Technical Lead for the InterbankBenefit project; guided internet banking development and AWS cloud architectures (EC2, RDS, S3, Lambda, API Gateway).
QA Lead at Universidad Continental de Huancayo
January 1, 2023 - January 1, 2025
QA lead focusing on stress testing, clean code validation, and OWASP vulnerability prevention for university projects.
Frontend Technical Lead at KashIO
January 1, 2023 - August 1, 2023
Led frontend technical direction and development efforts for health-related project initiatives.
Senior Backend Developer at Health
September 1, 2020 - March 1, 2022
Senior backend developer focusing on Python-based services and system performance.
Senior Backend Developer at Mynomx
November 1, 2018 - September 1, 2020
Senior backend developer on remote projects in the USA; Python-based service development.
IT Manager at DP Comunicaciones SAC
January 1, 2013 - January 1, 2017
REST API development, RabbitMQ integration, and performance optimization; achieved significant improvements in response time and energy efficiency.

Education

Bachelor's Degree in Computer Systems at Universidad Utel
January 11, 2030 - May 14, 2026
Computer Engineering (incomplete) at Universidad San Martín de Porres
January 11, 2030 - May 14, 2026

Qualifications

LangChain, LangGraph and Agents IA with Python
January 1, 2026 - May 14, 2026
Python hacking - ciberseguridad y hacking ético
January 1, 2026 - May 14, 2026
Foundations: Data, Data, Everywhere
January 1, 2025 - May 14, 2026
Introducción a la Ingeniería de Software
January 1, 2023 - May 14, 2026
Secure Software Design
January 1, 2021 - May 14, 2026
Introduction to Data Science in Python
January 1, 2017 - May 14, 2026
Java Programming: Object-Oriented Design of Data Structures
January 1, 2015 - May 14, 2026
Live Video Encoding and Capture
January 1, 2014 - May 14, 2026
ISO 27001 Facilitator
January 1, 2014 - May 14, 2026
PMBOK
January 1, 2013 - May 14, 2026

Industry Experience

Financial Services, Healthcare, Software & Internet, Education, Telecommunications