---
title: 'Software Engineer (Portugal) at HiddenLayer'
canonical: 'https://feeny.ai/job/software-engineer-portugal-hiddenlayer-lisbon-23ns7m127a7v'
type: 'job'
last_seen: '2026-11-05'
---

# Software Engineer (Portugal) at HiddenLayer

- **Company:** HiddenLayer
- **Location:** Lisbon, Portugal
- **Work type:** remote
- **Posted:** 2026-11-03
- **Last confirmed live:** 2026-11-05
- **Apply:** https://job-boards.greenhouse.io/hiddenlayer/jobs/4676069007

## Job description

Software Engineer (Portugal)

## ABOUT THE ROLE:

This is a fully remote, full-time role for an experienced platform engineer comfortable working for a rapidly growing Series-B startup. You'll work on challenging projects involving cloud architecture, containerization, and CI/CD pipelines. At HiddenLayer our services are written in Go and are fully containerized running on multiple Kubernetes clusters deployed with ArgoCD. We also value and use other CNCF FOSS software such as Prometheus, Thanos, and Fluentd/Fluentbit.

## WHO WE ARE:

HiddenLayer protects the world’s most valuable technologies from adversarial AI attacks. We were founded by AI professionals and security specialists with first-hand experience of how insidious adversarial AI attacks can be to detect and defend against. Determined to prove that these attacks were preventable, the team developed a unique, patent-pending, productized solution to support organizations in accelerating their adoption of AI securely.

Our dedication to innovation has been recognized by prestigious awards such as RSA's Innovation Sandbox Winner, CB Insights AI 100, CyberTech 100, and SC's Most Promising Early-Stage Start-up.

## WHAT YOU’LL DO:

- Design, implement, and maintain scalable, secure, and highly available cloud infrastructure.
- Develop and optimize containerized applications using Docker.
- Collaborate with development teams to create seamless CI/CD pipelines using GitHub Actions or equivalent tools.
- Manage and improve existing AWS infrastructure and explore opportunities to integrate with Azure for multi-cloud capabilities.
- Drive the adoption of best practices in DevOps, cloud security, and cost optimization.
- Troubleshoot and resolve complex infrastructure issues in a timely manner.

## WHO YOU ARE:

- 5+ years of experience in platform engineering, with a strong focus on AWS.
- Familiarity with Kubernetes or other container orchestration platforms.
- Proficiency in Docker and container orchestration.
- Hands-on experience with GitHub for CI/CD pipelines and source code management.
- Solid understanding of Linux systems, networking, and cloud security.
- Proven track record of building and managing production-grade cloud infrastructure.
- Excellent problem-solving skills and the ability to work independently in a remote environment.

WHY HIDDENLAYER?

We just raised $100M in Series B funding led by Delta-v Capital, with backing from Morgan Stanley, Microsoft's venture arm, Booz Allen Hamilton, and others. It's a validation of what we've built: 10x revenue growth, 50+ new enterprise customers, and deployments across defense, finance, and the world's largest AI platforms. This funding goes straight into expanding our platform and GTM capabilities, and into growing our team globally.

Attracting and retaining the very best people is our #1 priority. That’s why we offer our team best-in-class benefits, including:

- Fully Remote: We are a completely remote global team. Though we’re distributed, we are intentional about getting the team together. We offer a generous stipend for your home office setup, annual upgrades to ensure you have a comfortable workspace and a monthly stipend for internet/phone expenses.
- Comprehensive Health & Wellness Benefits: Better than your average startup healthcare benefits. We also offer vision, dental, and 401k offerings.
- Flexible Time Off: Enjoy unlimited and flexible time off for all salaried employees, in addition to paid company holidays.
- Commitment to Learning and Development: We support personal growth and education through a dedicated L&D fund that can be used for training, conferences, certifications and industry events.
- Diversity, Equity, and Inclusion: We are committed to building a diverse team with individuals from various backgrounds, experiences, abilities, and perspectives, and we are proud to be an equal opportunity employer.

To learn more about HiddenLayer visit[HiddenLayer](http://www.hiddenlayer.com/) and follow us on[LinkedIn](https://www.linkedin.com/company/hiddenlayersec/) or[Twitter](https://twitter.com/hiddenlayersec).

HiddenLayer  is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, age, marital status, political affiliation, sexual orientation, gender identity, genetic information, disability or protected veteran status. We are committed to providing a workplace free of any discrimination or harassment.

## About HiddenLayer

## Company Overview
- **One-liner**: HiddenLayer provides a comprehensive AI security platform to protect machine learning models, algorithms, and data from adversarial threats across the entire AI lifecycle.
- **Entity Type**: Private (Venture Capital-Backed, Series A)
- **Headquarters**: Austin, Texas, United States
- **Founded**: 2022
- **Founders**: Chris Sestito (CEO & Co-Founder), Tanner Burns (Co-Founder & Chief Scientist), Christopher “Tito” Sestito (Co-Founder & CIO)

## Core Business
- **Primary industry**: Cybersecurity, Artificial Intelligence & Machine Learning
- **Target customers**: B2B – enterprise and government organizations deploying agentic, generative, and predictive AI
- **Mission or purpose statement**: “Securing the future of AI” – enabling safe, responsible, and scalable AI deployment by defending against AI-specific threats.

## Products & Services
- **HiddenLayer AI Security Platform**: An integrated suite of modules that discover, protect, simulate attacks on, and monitor AI assets.
  - **AI Discovery**: Identifies and inventories all AI applications, models, and assets in an environment.
  - **AI Supply Chain Security**: Analyzes risks and protects AI models and assets during development and deployment.
  - **AI Attack Simulation**: Continually identifies threats and validates defenses for agentic and generative AI applications.
  - **AI Runtime Security**: A firewall that monitors, detects, and responds in real time to adversarial threats on deployed AI.
- **Pre-built integrations** into CI/CD, MLOps, Data Pipelines, and SIEM/SOAR.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed (latest funding: Series A of $50M in September 2023)
- **Key Metric**: Total funding raised – $55.8M (as of PitchBook, including a seed round and a $100K accelerator investment in 2022)
- **Notable Investors/Partners**: 10 investors (names not provided in search results); validated by Gartner, RSAC, and leading industry analysts
- **Growth Signals**: 167 employees; 50+ issued patents; “rapidly growing” team as stated on careers page; partnership with world-leading enterprises and governments

## Competitive Advantages
- **Research‑First Moat**: Founded by security researchers who discovered the first-ever AI-specific malware; ongoing vulnerability disclosure (CVEs, frameworks, methodologies) drives product innovation.
- **Patented Technology**: Over 50 issued patents covering adversarial attack detection, model output steering, and privacy attack detection.
- **Platform Depth**: Single platform covering discovery, supply chain security, attack simulation, and runtime protection – not just a point solution.
- **Industry Validation**: Recognized by Gartner, RSAC, and industry analysts for leadership in AI security.

## Strategic Focus
- **Current priorities**: Deepening protection for agentic and generative AI, expanding enterprise and government adoption, and maintaining leadership in adversarial AI research.
- **Growth direction**: Scaling the platform across the full AI lifecycle, broadening integrations, and hiring rapidly across engineering, research, and sales/marketing.

## Why Work Here
- **Culture & Values**: “Research First,” “Collaboration with Purpose,” “Relentless Curiosity,” “Integrity in Innovation” – a mission‑driven environment at the intersection of innovation and defense.
- **Remote‑First**: Distributed team with flexible, remote‑first structure; twice‑yearly in‑person company offsites to build trust and tackle big challenges.
- **Benefits**: 100% company‑paid medical, dental, and vision; 8–12 weeks fully paid parental leave; flexible time off; work‑life flexibility.
- **Engineering & Research Focus**: Roles in Engineering, Research, and Sales & Marketing – opportunities to work on cutting‑edge AI security threats and contribute to the open security community.

## Sources
1. [hiddenlayer.com](https://www.hiddenlayer.com/)
2. [hiddenlayer.com/careers](https://www.hiddenlayer.com/careers)
3. [hiddenlayer.com/about-us](https://www.hiddenlayer.com/about-us)
4. [pitchbook.com](https://pitchbook.com/profiles/company/501766-93)
5. [hiddenlayer.com/insight/life-at-hiddenlayer](https://www.hiddenlayer.com/insight/life-at-hiddenlayer-where-bold-thinkers-secure-the-future-of-ai)

## Other roles at HiddenLayer

- [Technical Engineering Lead (Portugal)](https://feeny.ai/job/technical-engineering-lead-portugal-hiddenlayer-lisbon-p7njeyx5qtzg) — Lisbon, Portugal
- [Technical Product Manager for AI Security Products (Portugal)](https://feeny.ai/job/technical-product-manager-for-ai-security-products-portugal-hiddenlayer-lisbon-pc12fwg46m4k) — Lisbon, Portugal
- [Channel Account Manager](https://feeny.ai/job/channel-account-manager-hiddenlayer-remote-2961zk53swyj)
- [Director of Federal Sales](https://feeny.ai/job/director-of-federal-sales-hiddenlayer-washington-vkstmaqaxcrk) — Washington, DC
- [AI Solutions Architect- Pre-sales (UK)](https://feeny.ai/job/ai-solutions-architect-pre-sales-uk-hiddenlayer-united-kingdom-edw61339axa2) — United Kingdom
- [Enterprise Account Director- Southeast](https://feeny.ai/job/enterprise-account-director-southeast-hiddenlayer-nashville-3fhc0rkte1b7) — Nashville, TN / Atlanta, GA / Knoxville, TN
- [Enterprise Account Director- Pacific Northwest](https://feeny.ai/job/enterprise-account-director-pacific-northwest-hiddenlayer-seattle-zdjf6hcsw2cm) — Seattle, WA
- [Enterprise Account Director- Mountain Region](https://feeny.ai/job/enterprise-account-director-mountain-region-hiddenlayer-denver-a7vwktcrdncy) — Denver, CO
- [VP of Sales Engineering (Pre-sales)](https://feeny.ai/job/vp-of-sales-engineering-pre-sales-hiddenlayer-united-states-dd4bab5j72zx) — United States
- [Enterprise Account Director- SoCal](https://feeny.ai/job/enterprise-account-director-socal-hiddenlayer-southern-kx1248ht5k0r) — Southern, CA