Gonzalo Arana
@gonzaloarana
I build high-performance cloud, backend, and systems platforms from TypeScript/AWS to C/C++.
ArgentinaWhat I'm looking for
I've built backend, cloud, and systems platforms for Exodus, Amazon Ring, Movistar, and national ISP services over 25+ years. Most recently at Exodus, I standardized backend observability, unified services on one web framework, hardened dependencies, and restructured PostgreSQL-backed push notifications ahead of an AWS deprecation.
At Amazon Ring, I led the web teams through the ramp-up of ring.com's TypeScript, Next.js, and React microservices platform on ECS Fargate. I re-architected infrastructure from CloudFormation to CDK, delivered OAuth 2.0 PKCE-based UnifiedAuth, extended web session handling, fixed Node.js memory leaks, and improved Node.js performance 6x through TLS offloading and an RSA-to-ECC migration.
Earlier, I designed MiMovistar's Node.js backend and push-messaging platform serving approximately 2 million devices, and led e-commerce, hosting, ISP, and portal systems. My foundations are in Linux, C/C++, networking, load balancing, databases, and performance tuning.
I also build and contribute to open source, including agent-comm for AI coding-agent communication, C/C++ LLM inference tooling, a CLOB matching engine, and scalability and security improvements to Squid 3. I'm based in Argentina, work fluently in English, and prefer remote work in GMT-3.
Experience
Work history, roles, and key accomplishments
Senior Backend Engineer
Exodus
Jun 2025 - Jul 2026 (1 year 1 month)
Standardized observability across backend services, unified all backend services on a single web framework, and contributed to security hardening. Restructured the push-notification system ahead of an AWS service deprecation.
SDE L6, Tech Lead (Web)
Amazon / Ring
Oct 2019 - May 2025 (5 years 7 months)
Led the ramp-up of ring.com's v2 platform using TypeScript/Next.js/React microservices on ECS Fargate. Re-architected web infrastructure from CloudFormation to AWS CDK, designed re-authentication, delivered UnifiedAuth, and improved Node.js performance 6x.
IT Consultant
Acrons (Movistar)
Nov 2014 - Oct 2019 (4 years 11 months)
Designed, implemented, and tuned the backend platform for the MiMovistar mobile app, including a push-messaging system serving approximately 2 million devices. Built and tuned the administration tool for the backends.
IT Manager
MVG LatAm
Jan 2011 - Nov 2014 (3 years 10 months)
Led development of e-commerce sites with checkout flows for 20+ products, multi-language and multi-currency support. Integrated Ubersmith billing system with hosting and software license providers and payment gateways.
IT Manager
UOL Sinectis
Apr 2006 - Jan 2011 (4 years 9 months)
Managed IT resources for a national ISP and web portal. Developed UOL's content management system and designed the v2 web hosting platform.
Project Leader
Sinectis
Oct 1999 - Mar 2006 (6 years 5 months)
Systems programming for a national ISP, including online HTTP content compression, overdue-client notifications, and migrations of Oracle-to-MySQL and webmail to mod_perl. Contributed epoll support and scalability fixes to Squid 3.
Education
Degrees, certifications, and relevant coursework
Universidad de Buenos Aires
Electrical Engineer, Electrical Engineering
1995 - 2002
Activities and societies: Teaching Assistant, Linear Algebra II, UBA School of Engineering, 1997-2002.
Earned an Electrical Engineer degree from the Universidad de Buenos Aires, with coursework spanning 1995 to 2002.
Tech stack
Software and tools used professionally
Availability
Location
ArgentinaAuthorized to work in
Portfolio
github.com/garana/agent-commJob categories
Skills
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