Senior Backend Engineer - Vibesec

OX SecurityArgentina only

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Description

OX Security is securing the AI-driven SDLC from prompt to production. We're building the next generation of security technology for a world where AI is changing how software is built, deployed, and attacked.

We're looking for a strong Senior Backend Engineer to join VIBESEC, the team building our AI security products. This is one of the most exciting places to be at OX right now: a brand new product, in a domain that changes every single day, with real customers already shaping what we build next.

You'll join a small, senior, globally distributed team of six engineers across Europe, Israel and Argentina. You'll own features end to end, from the first conversation with Product through design, build and production. Because the domain is new, your technical judgment will shape the architecture rather than follow it.

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Senior Backend Engineer - Vibesec

OX SecurityArgentina only

Apply now

Opens the original posting.

Apply now

Share job

Copy link or share on social media.

Apply on the original site

Companies in this catalog do not charge applicants. Never send money to apply.

Description

OX Security is securing the AI-driven SDLC from prompt to production. We're building the next generation of security technology for a world where AI is changing how software is built, deployed, and attacked.

We're looking for a strong Senior Backend Engineer to join VIBESEC, the team building our AI security products. This is one of the most exciting places to be at OX right now: a brand new product, in a domain that changes every single day, with real customers already shaping what we build next.

You'll join a small, senior, globally distributed team of six engineers across Europe, Israel and Argentina. You'll own features end to end, from the first conversation with Product through design, build and production. Because the domain is new, your technical judgment will shape the architecture rather than follow it.

If you want to build something genuinely new, at the point where AI and security meet, let's talk.

Responsibilities

What You'll Be Doing

Design and build the backend of our AI security products in Node.js and TypeScript, running across cloud environments and endpoints
Own features end to end, from business requirements through architecture, implementation, delivery and production quality
Work closely with Product and directly with customers, turning fast-moving business needs into robust technical solutions
Partner with Product, Design, and other engineering teams on complex cross-company projects
Make and defend architectural decisions in a domain with no established playbook, where the right answer this quarter may not be the right answer next quarter
Set the technical bar for a senior team, and raise it through code reviews, design discussions and examples

Requirements

What We're Looking For

6+ years of hands-on backend development experience Strong, production-level experience with Node.js and TypeScript (must-have) Proven ability to design and deliver solutions for complex, distributed systems Strong ownership and accountability, with high independence and the ability to manage multiple stakeholders A track record of taking features from requirement to production, with production-grade code Comfort with ambiguity and rapid change, and the judgment to know when to move fast and when to build for the long run Excellent English and strong communication in a fully distributed team The "AI-First" Spark: You are an early adopter of AI technologies and are passionate about finding ways to use AI to improve developer experience and system performance.

Bonus Points for :

Experience with microservices architecture
Background in cybersecurity or endpoint agent development
Experience delivering customer-value-driven products in fast-paced startup environments
Hands-on work with LLMs, AI agents or AI-powered product features
Employment & Benefits Package (via Commit)

We partner with Commit offshore , who acts as our official local Employer of Record, to manage payroll, local compliance, and provide top-tier benefits for our Argentina-based team members:

100% Remote: Full-time position based anywhere in Argentina, requiring standard daily availability and reasonable working hours overlap with our Israel and EU teams.

Paid Time Off (PTO): 20 days of annual leave & 5 Sick Days to support your health and work-life balance.

Gifts & Events: Gifts on your birthday & holidays, along with company events to keep you connected and appreciated.

Originally posted on Himalayas

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