Timezone overlap
9h overlap with US East · Argentina
English level
Upper Intermediate
Self-assessed via CEFR ladder
(es)Skills & tools
Skills
Tools
About
Joaquín is a Senior Ruby Fullstack Engineer at Razor, bringing nearly two decades of experience delivering web applications. His background spans e-commerce, cybersecurity, and SaaS, where he has consistently built robust systems and scalable APIs. He is adept at improving performance and shipping maintainable, well-tested code that supports business growth. Prior to Razor, he served as a Web Engineer at Bespoke Post and held Senior Ruby on Rails Developer roles at Kenna Security and Synack, Inc. He earned degrees in Software Engineering and Systems Engineering from the University of Buenos Aires. Joaquín thrives in product-focused teams, where he enjoys shipping high-impact features, mentoring others, and helping to build reliable, maintainable systems. He values strong engineering practices and continuous learning, always seeking to contribute to collaborative environments.
Highlights
- A full‑stack Ruby on Rails engineer with nearly 20 years of experience delivering web applications across e‑commerce, cybersecurity, and SaaS.
Work preferences
- Job type
- Freelance / Independent, Full-time, Part-time
- Company size / type
- Early-stage startup (0-20), Growth-stage startup (21-200)
- Culture
- Early-stage startup (0-20), Growth-stage startup (21-200)
- Industries
- E-commerce, Information Technology
- Hours
- EST business hours
- Remote experience
- Based in Buenos Aires, Argentina. Worked for companies in San Francisco, New York, and Chicago
- Available from
- Aug 2026
Salary context
Benchmarks for SMB non-tech role · Senior (7+ yrs).
US figures from BLS OEWS 2024 + Glassdoor; India figures from US SMB offshore vendor pricing. Adjusted for the candidate's seniority.
Work experience
- Sr Ruby Fullstack Engineer · RazorJan 2024 — Jan 2025
- Led A/B tests and registration flow improvements that increased checkout conversion and revenue. - Refactored internal APIs and enhanced Ul responsiveness, improving performance on mobile. - Defined and executed the testing strategy across…
- Web Engineer · Bespoke PostJan 2022 — Jan 2023USUS company · remote
- Built and maintained core features across both the customer-facing platform and internal admin CMS, including API development, feature implementation, and security improvements. - Improved user engagement and conversion through data-driven UI…
- Sr Ruby on Rails Developer · Kenna SecurityJan 2021 — Jan 2022USUS company · remote
- Led the team to decouple a React frontend from a monolithic repo, enhancing scalability and development velocity. - Contributed to both the Data Export and Vulnerability Intelligence teams on the design and rollout of new APIs for premium clients…
- Sr Ruby on Rails Developer · Synack, Inc.Jan 2020 — Jan 2021USUS company · remote
- Modernized backend APIs for the Operations team to decouple the frontend from the legacy monolith, enabling independent development between teams. - Designed Ul components in React with a focus on reusability and performance. - Strengthened test…
- Sr Ruby Developer · Wecode.ioJan 2016 — Jan 2020
- Led the development of multiple full-stack applications, covering everything from requirements gathering to production deployment. - Designed and implemented user management, scheduling systems, and complex data workflows for aviation schools and…
- Sr Ruby Developer · Deviget LLCJan 2015 — Jan 2016
- Worked on the design and development of different features, like authorization workflows, internal reports. - Helped to make important improvements on the quality of the code base and test suite.
- Ruby on Rails Developer · Altoros SystemsJan 2012 — Jan 2014
- Design and development of web applications with Ruby on Rails
Education
- — · University of Buenos Aires2001—2009AR· Software Engineering