I’m looking for a role where I can take real ownership, understand the product and the business behind it, and help turn problems into simple and reliable solutions. I enjoy working across backend and fullstack, making technical decisions, and working directly with the team to improve the product.
Looking for a job
Carlos Renato Hernández Rivas
@carlosrenatohernndez
Senior Backend Engineer at GrowthOptix who cut contact-profile read latency from 18 seconds to 1 millisecond.
NicaraguaWhat I'm looking for
I’m a Software Engineer with 10+ years of experience building backend and full-stack products. I enjoy understanding how a business works, finding where technology can improve the process, and turning those needs into simple, reliable systems.
In my most recent role at GrowthOptix, I worked on APIs, integrations and data flows connecting platforms like Google Ads, Meta Ads, Stripe and PayPal. I’ve also worked on e-commerce and operational systems where reliability and the user experience really matter.
I like taking ownership, working directly with stakeholders and making technical decisions based on the product, not just the code. More recently, I’ve also been using Claude Code, Codex and OpenCode as part of my daily workflow.
Experience
Work history, roles, and key accomplishments
GR
Senior Software Engineer
GrowthOptix
Aug 2025 - Aug 2026 (1 year)
Designed and implemented end-to-end integrations for major ad platforms, engineered event-driven data pipelines, and cut contact-profile read latency from ~18s to ~1ms. Built a multi-tenant marketing-attribution platform with 340+ isolated databases and 30M+ documents.
BS
Software Engineer / Backend Specialist
BEON Tech Studio
Jul 2017 - Mar 2025 (7 years 8 months)
Designed and built backend architectures for enterprise CMS, e-commerce, and custom platforms, and led a team of 4 developers. Architected cloud infrastructure on AWS and hardened backend security on large production systems.
M
Web Application Engineer
724 Media
Nov 2016 - Jul 2017 (8 months)
Developed and maintained web systems for local companies across 3 projects, collaborating with product and design teams. Built and maintained API-driven application functionality.
Built and maintained backend-heavy web applications and large databases for international clients. Developed full-stack web interfaces using Vue.js and Bootstrap.
SC
Web Developer
Spark Coders
May 2014 - Apr 2015 (11 months)
Maintained e-commerce and CMS platforms using CodeIgniter, WordPress, and Shopify. Integrated payment gateways and third-party APIs into client web platforms.
Education
Degrees, certifications, and relevant coursework
Universidad Nacional de Ingeniería
Bachelor's Degree, Computer Engineering
2011 - 2016
Bachelor's Degree in Computer Engineering from Universidad Nacional de Ingeniería, Managua, Nicaragua, completed in 2016.
Tech stack
Software and tools used professionally
Availability
Looking for a job
Location
NicaraguaAuthorized to work in
Salary expectations
46k-96k USD
Job categories
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