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Security Engineer (Remote – Hungary)

AI Summary
EverAI is seeking a hands-on Security Engineer to own application security for its rapidly scaling AI companionship platform. The role centers on weekly code reviews, vulnerability discovery and remediation, external audit and penetration-test coordination, and security automation. The engineer will operate as the company’s primary security specialist, reporting to the CTO and communicating risk clearly to technical and non-technical stakeholders. The position also covers AI/LLM security threats such as prompt injection and jailbreaks, lightweight GRC work, and occasional on-call alert coverage.
Remote from
Hungary
Salary
EUR 65k–85k / yr
Department
Cybersecurity
Employment
Full Time
Experience
Director
Published
Apply before
11 Dec 2026
Listing views
18
Application actions
0
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Opportunity details

About this role.

Our Vision & Products

🚀 EverAI — Building the Future of AI Companionship

One of the Top 15 Largest & Fastest-Growing AI Companies in the World

50 Million Users in 2 years — Help Us Reach 100M first, 500M next

At EverAI, we’re shaping what it means to connect with AI. With 50 million users and counting, we’re not just building products — we’re creating entirely new categories.

Our flagship product is the world’s largest AI companionship platform, redefining relationships for millions. It is governed by our proprietary moderation system, EverGuard — an internal AI designed to ensure everything we build is safe, ethical, and human-first.

And we’re only just getting started!

Our Team

We are an enthusiastic, passionate and hardworking team of ≈ 100 people. Our founding team has strong entrepreneurial experience building and scaling web products from 0 to IPO.

Alexis Soulopoulos [CEO]

• 10+ years in Tech Executive Leadership

• Co-Founder Mad Paws Holdings (from 0 to IPO)

• Forbes 30 under 30 + Deloitte TechFast50 ’22 & ‘23

Michael Monin [Co-founder & CTO]

• 10+ years as CTO / COO (web2/web3), 3 years in AI/LLM

• Serial-entrepreneur: MTK Digital (exited / 0->$20m revenue) and Zipchat (AI Chatbot for E-commerce brands)

Thomas Lacroix [Co-founder & CMO]

• 8+ years in Customer Acquisition & E-commerce Growth

• Serial-entrepreneur: Curatible (sold to Blackstone) and MTK Digital (exited / 0->$20m revenue)

Maruša Fasano [CFO/Legal]

• 25+ years in Finance, Strategy, M&A

• Ex-CFO/M&A @Curatible (exited to Blackstone)

• Ex-President of the Board @SotremoSA (exited)

• Co-founder/CFO @SoftOne (exited)

Your Role

As a Security Engineer, you’ll own application security for a fast-growing AI companionship platform. This is a hands-on AppSec role: you’ll review code, find real vulnerabilities and drive fixes across the stack. You’ll be the main security person in the company, reporting directly to our CTO and Co-Founder. You’ll set direction yourself and explain risk clearly to non-security colleagues. Our product includes AI-generated content, including NSFW content, and you’ll also keep an eye on AI-specific threats like prompt injection. Real ownership from day one.

This isn’t an infrastructure, networking or DevSecOps role: we’re looking for application security depth.

Key Responsibilities

Application security (the core of the role)

  • Review code every week to catch vulnerabilities before they ship

  • Find, prioritize and drive fixes for real vulnerabilities across the stack, not surface-level issues

Audits and pentests

  • Coordinate external security audits and penetration tests

  • Challenge findings where needed, and follow them through to fixes

Engineering and automation

  • Automate security work and build the tools you need to scale it

  • Use AI tools daily in your security work: code review, pentests and scripting

Ownership and communication

  • Own security end to end with little support, and decide what matters most

  • Explain technical risk in plain words to the team and leadership

  • Cover security alerts, including occasional night and weekend on-call

Also part of the role (lighter)

  • Keep a simple risk register and GRC documentation up to date

  • Share security updates with the team and run awareness training

  • Watch emerging AI threats (prompt injection, jailbreaks, content filter bypass) and incidents at our AI providers

Your Qualifications

Must-haves

  • 2+ years of hands-on security experience

  • Hands-on AppSec, not compliance only: you review code regularly and can walk us through a real vulnerability you found and fixed

  • Audits and pentests: you’ve coordinated an external audit or pentest and followed the findings through to fixes

  • Engineering workflows: you ship code with Git/GitHub, script in Python or Bash, and have recent hands-on work on a modern web stack (e.g. Rails, Node; GCP, Heroku or similar)

  • Ownership with little support: you’ve been the sole or lead security person, or owned a security area on your own. You’ve reviewed code or tested systems every week in the last 2 years, and you explain risk clearly to non-technical people

  • AI in your daily work: you use AI tools every day in your security work

  • A hacker mindset: You love breaking things to make them safer, and security isn’t only your job: you do it for fun too, through bug bounties, CTFs, research, write-ups or your own tools.

Nice-to-haves

  • ⭐ AI/LLM security testing (prompt injection, jailbreaking): a strong plus

  • Experience at an AI company or a scale-up

  • GRC awareness

  • Familiarity with MDM and access management

Soft Skills

🗣 Strong communication & collaborative skills (perfectly fluent in English)

🧢 Goal-orientated, ownership and commitment

⚡️ Doer mindset – we are moving fast and we need people who can find the right balance between executing, planning and strategy

🧢 Humble – willing to learn, open to feedback

🍭 #NSFW – you are comfortable working in an environment with products that are based on uncensored models and content

Why EverAI?

📈 Exponential Growth: From 50M users in 2 years, to 100M next — and 500M beyond

🚀 Track Record of Category-Creating Innovation: We consistently launch world-first AI applications — setting the pace, not following it

🌍 Global Impact: Top-tier user growth, real-world adoption, and cultural relevance

🧠 Proven Leadership: A senior team that’s launched, scaled, and exited & IPO’d multiple scale ups — now fully focused on reshaping AI companionship

👥 Elite Remote Team: 100% remote and built to win — world-class talent from Tier 1 tech companies, with a culture of ownership, velocity, and radical creativity

🛡️ Ethical Core: Our AI ecosystem is governed by EverGuard, our proprietary AI moderation technology, ensuring responsible development at scale

What We Offer

✍️ Contract Type: We prefer B2B, but we’re flexible, what matters is long-term commitment and impact
📍 Work From Anywhere: Fully remote. Choose the environment where you do your best work
🏝️ Paid Time Off: 4 weeks (20 working days) of PTO per year to recharge and reset
👨‍👩‍👧‍👦 Annual Gathering: A yearly in-person meetup to connect, brainstorm, and celebrate wins together
❤️‍🩹 Health & Wellness Support: Monthly allowance of 100 USD for health insurance expenses & access to unlimited 1:1 sessions with psychologists and lifestyle experts through OpenUp (also available to up to three of your family members)
🏢 Co-Working Space Budget: Work from a co-working space up to twice per month (35 EUR / 40 USD per visit) to stay inspired and connected
📚 Learning Budget: Dedicated funds to support your professional growth: courses, books, conferences, events, or certifications
💻 Company Laptop & Equipment: Laptop provided + monitor budget up to 250 USD + keyboard/mouse/mic/headphones budget up to 150 USD
⚡ AI Tools Access: Premium access to ChatGPT, Hugging Face, Claude Code, and any other tool needed to excel at your job, power your ideas and workflows

🎯 Top Tier Talent Is Our Multiplier

We’re a fully remote group of A-players from Tier 1 tech, led by an exec team who’ve launched, scaled, and exited multiple companies. We move fast, and care deeply about what we build — and who we build it with.

We’re looking for exceptional talent ready to ship & distribute world-first AI products at scale, fast, and co-create with us this category-defining business.

If that’s you — reach out and apply!

Apply now >

This job listing has been manually reviewed by the Jobicy Trust & Safety Team for compliance with our posting guidelines, including verification of the company's legitimacy, accuracy of job details, clarity of remote work policy, and absence of misleading or fraudulent content.

Role DNA

A quick view of the complexity, pace, ownership and collaboration implied by the job description.

Job Complexity

5/5
EasyHard

Pace & Pressure

5/5
RelaxedFast-paced

Autonomy Level

5/5
GuidedFull ownership

Communication Load

5/5
IndependentCollaborative
AI insightThis is a broad, high-ownership AppSec role in a fast-moving AI company, with responsibility for both technical execution and security strategy. Success requires practical code-review depth, independent prioritization, and the ability to drive remediation across teams.

Salary analysis

Estimated compensation compared with the broader EU market for similar roles.

Estimated job median (per year)Highly competitive
€75,000
EU market range (per year)€60k–€90k
AI insightThe employer discloses a yearly base compensation range of EUR 65,000–85,000, with a midpoint of EUR 75,000. Estimated European market pay for an application-focused Security Engineer with independent ownership is EUR 60,000–90,000 per year; this is an AI estimate rather than verified salary research.

Core skills

Skills and capabilities most closely associated with this opportunity.

Sample interview questions
Describe a significant vulnerability you found during a code review and how you drove it to remediation.

I would explain the vulnerability’s attack path, business impact, severity rationale, and the secure design or code change needed. I would also describe partnering with the engineering owner, validating the fix, adding regression coverage, and documenting any preventive control.

How would you establish an application-security program as the primary security engineer in a fast-growing company?

I would begin with asset and data-flow visibility, then prioritize the highest-risk applications and attack paths. I would introduce lightweight secure-review practices, a remediation workflow with owners and deadlines, targeted automation, and a clear risk register that leadership can use for decisions.

How do you evaluate and prioritize findings from an external penetration test?

I validate exploitability and affected scope, assess business context, and challenge findings that are not reproducible or materially impactful. For accepted findings, I assign accountable owners, agree remediation timelines based on risk, track progress, and retest fixes before closure.

What security risks are particularly important for an AI companionship platform?

Key risks include prompt injection, jailbreaks, unsafe tool use, content-filter bypasses, data leakage through model inputs or outputs, insecure integrations, and abuse of account or payment workflows. I would combine application controls with AI-specific testing, monitoring, red teaming, and incident-response procedures.

How would you communicate a critical security risk to a non-technical executive?

I would avoid jargon and explain what could happen, who or what is affected, how likely it is, and the cost of delaying action. I would present a recommended decision, the resources required, a mitigation timeline, and any residual risk in clear business terms.

This analysis is generated from the job description. Salary estimates, role characteristics and sample answers are guidance, not employer-provided facts.
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