Available for consulting

Senior Software Engineering & Technical Leadership

Helping startups and enterprises build scalable software, modernize systems, and solve complex engineering challenges.

0 Years Experience
0 Projects Delivered
0 Companies

Trusted by industry leaders

Engineering Expertise

From architecture to delivery, I help companies build reliable software, modernize legacy systems, and execute complex initiatives with clarity and speed.

Architecture & Modernization

Monolith to microservices, APIs, scalable systems, cloud transitions.

Delivery & Leadership

Technical ownership, mentoring, roadmap execution, cross-team alignment.

Reliability & Operations

CI/CD, observability, performance, secure production systems.

Education & Mentoring

Programming instruction, software engineering coaching, technical mentoring, and team enablement.

Experience

18+ years building mission-critical systems across fintech, banking, healthcare, telecom, and enterprise technology.

K

Senior Software Engineer

Konfío
Jan 2026 — Present Now Remote / MX

Core Fintech platform (Python/Flask) + NestJS/TypeScript migration; financial system integrations and on-call operational support.

PythonFlaskNestJSFintech
OP

Technical Lead

Office Practicum
Oct 2025 — Present Now Remote

Directing company-wide security remediation across Java, Python, TypeScript, and Go codebases — reducing critical vulnerability exposure.

JavaPythonTypeScriptSecurity
Ko

Technical Lead

Koronet
Oct 2025 — Apr 2026 Remote

Led ColdFusion ERP migration to Java + Spring Boot microservices; built automation for data migration, CI/CD, and testing workflows.

JavaSpring BootColdFusionMicroservices
Dx

Technical Lead

DexCare
Mar 2025 — Jul 2025 Remote

Healthcare integrations using HL7, REST, GraphQL, gRPC, and FastAPI, deployed on Kubernetes and AWS.

HL7FastAPIgRPCKubernetes
Mb

Senior Software Engineer

Masabi
Oct 2024 — Jul 2025 Remote

Ticketing and transit platform APIs — Kotlin, Java 17, Spring Boot, and Terraform — with CI/CD pipelines.

KotlinJava 17Spring BootTerraform
Rk

Senior Software Engineer

Roku
Jun 2024 — Nov 2024 Remote

Backend systems for customer onboarding and personalization platforms at consumer scale.

BackendMicroservicesHigh-Scale
VV

Technical Lead

Virgin Voyages
Jan 2023 — Jul 2023 Remote

Led CRM modernization and cloud migration on AWS, GCP, and Next.js with distributed systems architecture.

AWSGCPNext.jsCRM
Ph

Lead Software Engineer

Philips
Jun 2021 — Jan 2026 Amsterdam, NL (Remote)

Led monolith-to-microservices migration on AWS; Java/Spring Boot backend, Angular frontend, Terraform DevOps, and technical hiring.

JavaSpring BootAngularTerraform
G

Technical Lead & DevOps

Globant
Sep 2017 — Jun 2021 Remote / Global

Core banking platform migration to microservices (Java, Kubernetes/OpenShift); CI/CD and IaC on AWS and Azure with Terraform and Packer.

JavaKubernetesTerraformAWS
V

Lead Software Engineer

Verizon
Oct 2013 — Sep 2017 NJ, USA

Core Sales and CRM platform modules; Agile team facilitation and backend development — Java 8, Spring Boot, React, and MongoDB.

JavaSpring BootReactMongoDB
AG

Lead Software Engineer

Avatar Global
Jul 2013 — Oct 2013 Remote

Core ecommerce platform on IBM WebSphere Commerce with external system API integrations.

IBM WebSphereJavaE-commerce
Q

Senior Software Engineer

Qualitri
Feb 2013 — Jul 2013 Remote / France

Java/ZooKeeper HA framework; migrated legacy desktop app to AWS-hosted GWT web platform with NLP analytics.

JavaZooKeeperGWTAWS
Cb

Programming Instructor

Cibertec
Oct 2012 — Dec 2025 Lima, PE

Delivered programming courses in Java, Python, software architecture, distributed systems, and agile methodologies; mentored future software engineers and IT professionals.

JavaPythonTeachingMentoringAgile
E

Senior Software Engineer

Efact
Jan 2010 — Feb 2013 Lima, PE

Architected Peru's first interactive e-invoicing system — Java, Spring, MongoDB, ActiveMQ — with SUNAT and ERP compliance integrations.

JavaSpringMongoDBActiveMQ
Sw

Software Engineer

Smartworkz
Aug 2008 — Dec 2009 Remote / Denmark

Migrated Excel budgeting tools to Java desktop app with Pentaho BI analytics, MySQL persistence, and custom PDF reporting.

JavaMySQLPentahoHibernate

Featured Projects

Complex problems solved with clean engineering and systems thinking.

Technical Lead Oct 2025 – Apr 2026

Koronet

ColdFusion ERP maintenance and migration to microservices for the floral industry.

  • Maintained a ColdFusion-based ERP system for the floral industry.
  • Led migration of core and integration modules to microservices using Java + Spring Boot.
  • Implemented automation scripts for daily operations, data migration, testing, and deployments.
JavaSpring BootColdFusionMicroservices
Technical Lead Oct 2025 – Present

Office Practicum

Company-wide security remediation across multi-language codebases.

  • Directed a company-wide security remediation program.
  • Reduced critical vulnerability exposure across Java, Python, TypeScript, and Go codebases.
JavaPythonTypeScriptGoSecurity
Technical Lead Mar 2025 – Jul 2025

DexCare

Healthcare integrations across multiple protocols and cloud platforms.

  • Built healthcare integrations using HL7, REST, GraphQL, gRPC, FastAPI, Kubernetes, and AWS.
HL7FastAPIgRPCKubernetesAWS
Senior Software Engineer Oct 2024 – Jul 2025

Masabi

Ticketing and transit platform APIs with modern JVM stack.

  • Designed ticketing and platform APIs using Kotlin, Java 17, Spring Boot, Terraform, and CI/CD pipelines.
KotlinJava 17Spring BootTerraformCI/CD
Senior Software Engineer Jun 2024 – Nov 2024

Roku

Backend systems for high-scale consumer onboarding and personalization.

  • Delivered backend systems for customer onboarding and personalization platforms in high-scale consumer products.
BackendMicroservicesHigh-Scale
Technical Lead Jan 2023 – Jul 2023

Virgin Voyages

CRM modernization and cloud migration across multiple platforms.

  • Led CRM modernization and cloud migration initiatives involving AWS, GCP, Next.js, and distributed systems.
AWSGCPNext.jsCRM

Beyond the Code

When I'm not building software, I enjoy music, cooking, learning, and spending time with my four cats. These passions fuel my creativity and keep my perspective fresh — balance makes better engineers.

About Marcelo

Senior Software Engineer, Technical Leader, and Programming Instructor with 18+ years of experience designing and delivering high-impact systems across fintech, banking, healthcare, telecom, and enterprise environments.

Specialized in backend engineering, distributed systems, cloud platforms, and leading teams through complex technical challenges — from greenfield builds to large-scale modernization programs.

Known for bringing clarity to ambiguity, pragmatic execution, and long-term thinking to every decision — and a genuine commitment to mentoring engineers and sharing technical knowledge.

Java Spring Boot Amazon Web Services Python JavaScript TypeScript SQL noSQL APIs Integration Microservices CI/CD

Core Values

Ownership
Clarity
Quality
Pragmatism
Trust
Continuous Growth

Get In Touch

Ready to discuss your next project or engineering challenge? I'd love to connect.