Senior Application Security Engineer — AI-Powered Platform

OutSystems - Software em Rede S.A.; Portugal; Remote; EUR 90,000 - 120,000; Full time

Job summary

OutSystems seeks a Senior Security Engineer for the Application Security team to independently deliver security outcomes across our AI-powered low-code platform. You will own moderately complex security projects, partner with engineering, product, and legal teams, and mentor junior engineers while strengthening security relationships.

You will drive security across the full SDLC, secure AI-generated workflows, and contribute to secure-by-default patterns, guardrails, and tooling to enable

Qualifications

• Proven experience executing application security work in modern, cloud-native environments.
• Strong grounding in secure design and threat modeling; vulnerability intake, triage, remediation.
• Ability to independently manage and deliver moderately complex security tasks from start to finish.
• Comfortable working across application, cloud, and platform security within a defined scope.
• Ability to write and reason about code; build or extend security tooling and automation; review AI-generated or low-code workflows.
• Practical experience with AWS (required), Kubernetes, and microservices architectures.
• Clear understanding of when to apply penetration testing, red teaming, and purple teaming.
• Strong communicator and mentor to junior colleagues; proactive in unknown problem scenarios.

Responsibilities

• Drive security work across all phases of the SDLC from design to release.
• Own delivery of moderately complex security projects or features.
• Secure AI-powered and agentic capabilities early in design, not as an afterthought.
• Conduct focused security assessments of applications, APIs, internal services, and platform components.
• Develop secure-by-default patterns, guardrails, and paved roads that scale security.
• Improve security tooling, tune signal quality, and reduce noise.
• Mentor junior engineers and new hires within Product Security.
• Strengthen stakeholder relationships and deliver reliable security outcomes.

Skills

Application security

Secure design

Threat modeling

Remediation

Code reading

Security tooling

AI-generated code security

AWS

Kubernetes

Microservices

Tools

AWS

Kubernetes

CI/CD tooling

Job description

OutSystems seeks a Senior Security Engineer for the Application Security team to independently deliver security outcomes across our AI-powered low-code platform. You will own moderately complex security projects, partner with engineering, product, and legal teams, and mentor junior engineers while strengthening security relationships.

You will drive security across the full SDLC, secure AI-generated workflows, and contribute to secure-by-default patterns, guardrails, and tooling to enable