Resume of ERVIN RIVAS M. • Peerlist

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ERVIN RIVAS M.

Software Architecture Leader & Custom Software Expert with 10+ years scaling high-availability systems. Ex-CTO.

Joined 05 Sep 2026

Experience

10 years, 5 months

C. M. Technologies LLC.

Head of Infrastructure

Jan 2025 - Present (1 yr, 8 m) • remote • full-time

☁️ Direct global Cloud Infrastructure, DevSecOps, and Governance strategy for Factoring software platforms, orchestrating multi-account AWS environments via CloudFormation (IaC) following strict modularity principles.

🧩 Architected service decoupling and domain boundaries, applying Clean Architecture and SOLID principles to inject high cohesion across polyglot codebases (Java, Python, Kotlin, Shell, YML), integrating AI/LLMs, Stytch B2B auth, DocuSign API, Vaadin, Keycloak, and QuickSight analytics.

🛡️ Hardened operational resilience and security posture, driving code-level and cloud infrastructure pentesting remediation with specialized security vendors, while orchestrating threat prevention with SentinelOne, DataDog, Cloudflare, and AWS WAF.

🌐 Governed enterprise DNS and identity architecture, ensuring zero-downtime multi-platform DNS configurations and fault-tolerant identity boundaries.

Product Management

LeadershipProject ManagementWeb DevelopmentInfrastructure

Java

PythonWeb Design

MongoDBLLMs

Senior Software Engineer

Jul 2023 - Dec 2025 (2 yr, 5 m) • remote • full-time

🧩 Engineered core functional modules for the transactional Factoring platform, leveraging software design best practices to ensure high maintainability, scalability, and system efficiency.

🔍 Optimized application performance and code quality, executing deep-code analysis and continuous refactoring to resolve latency bottlenecks across critical business workflows.

🏗️ Implemented advanced design patterns for high availability, building a highly modular and configurable software architecture capable of supporting dynamic business rules.

🤖 Integrated AI assistants and LLM-powered autonomous agents, automating developer workflows, accelerating delivery cycles, and embedding next-generation features into the platform.

Spring Boot

Java

PostgreSQLAuroraAPI DevelopmentAPI TestingSoftware Development

Selenium

MongoDB

Github

B2Chat

Backend Developer

Apr 2022 - Apr 2023 (1 yr, < 1 m) • remote • full-time

⚡ Refactored core messaging backend systems, eliminating performance bottlenecks and decoupling tight dependencies to achieve high horizontal scalability under high-concurrency traffic.

💳 Engineered fault-tolerant payment gateway integration architectures (like Placetopay), ensuring transactional idempotency and strict security protocols for financial processing.

📊 Designed executive analytics and reporting pipelines, delivering real-time operational metrics and dashboards for C-suite decision-making.

Spring Boot

Java

SQL

PostgreSQL

JavaScript

PythonSoftware EngineerAgile Methodologiesanalytics

IMSYS

CTO

Dec 2020 - Mar 2022 (1 yr, 3 m) • cali, co • full-time

Tech Lead

Jan 2019 - Nov 2020 (1 yr, 10 m) • cali, co • full-time

🚀 Deployed event-driven cloud architectures and DevSecOps pipelines, leveraging AWS SQS, SNS, Spring Boot microservices, clean design patterns, and continuous deployment workflows.

During my technical leadership at IMSYS, I spearheaded the design and development of our next-generation custom software ecosystem. By applying clean architecture, modular decoupling, and enterprise-grade scalability, we converted technical innovation into core business equity. This architectural evolution led to successful market validation, attracting strategic partners who acquired a stake in the company driven by the high value and commercial potential of the newly developed assets.

Product Management

LeadershipProduct DesignProject ManagementStrategyWeb DevelopmentSoftware Architect and DeveloperAgile Methodologies

ReactJSWeb Developer