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Senior Engineer (Platform & Security)

Palestine, Ramallah and Al-Bireh · Job Posted May 26, 2026
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Job Description

We are hiring a Senior Engineer (Platform & Security) to join the engineering team behind one of Mental’s flagship products. You will start with a focused, well-defined initial scope in cross-platform applications and data protection, and grow into a broader leadership role on the platform as you ramp. This is a hands-on senior engineering role for someone who writes production code every week, thinks rigorously about security and reliability, and is comfortable owning a vertical slice of a real product used by enterprise customers. You will work closely with the platform lead team and contribute directly to architectural decisions on the work you own.

Job Responsibility

  • Design, build, and ship production features across web and native client surfaces, owning your work from spec to launch
  • Write clean, well-tested, well-documented code in JavaScript / TypeScript
  • Apply security-engineering thinking to every feature you build — input validation, authentication, authorisation, secure storage, transport security, and least-privilege design
  • Contribute to architectural decisions on the platform, with the support of and in collaboration with the platform lead team
  • Integrate lightweight computer-vision or ML components into client applications when the work calls for it, optimising for on-device performance and privacy
  • Build and maintain backend services and data pipelines on AWS (S3, CloudFront, Cognito, SNS, SES)
  • Participate in code reviews, technical design reviews, and on-call rotations
  • Mentor mid-level and junior engineers on the team, and contribute to engineering standards and best practices
  • Communicate clearly with the platform lead team, product, and executive stakeholders — raising risks early, scoping work realistically, and pushing back constructively when needed

Requirements

  • 5+ years of production software engineering, with at least 2 years in a senior or senior-leaning role
  • Strong full-stack web development experience: JavaScript / TypeScript, Next.js, React, Node.js, Express, MongoDB, Redis
  • Solid backend and AWS DevOps experience: S3, CloudFront, Cognito, SNS, SES, deployment pipelines, observability, and cost-awareness
  • Demonstrable security and cryptography fundamentals: secure authentication, encryption at rest and in transit, key management, secure session handling, and a habit of threat-modelling features as you design them
  • Working knowledge of computer vision and machine learning fundamentals — comfortable integrating pre-trained models and working with TensorFlow, PyTorch, or OpenCV at a practical level (deep ML research experience is not required)
  • Experience operating production systems: on-call exposure, incident response, post-mortems, and ownership of reliability metrics
  • Excellent communication in English, comfortable working in a distributed, multicultural team

Nice to have

  • Cross-platform desktop application experience (Electron, Tauri, or Kotlin Multiplatform / Compose Multiplatform)
  • Experience with DRM, watermarking, anti-tamper systems, or other content-protection technologies
  • On-device ML deployment experience (TensorFlow Lite, Core ML, ONNX Runtime)
  • Experience with Unity, Unreal, or React-Unity-WebGL integration
  • Compliance experience: GDPR, UAE data protection law, or sector-specific data-residency requirements
  • Open-source contributions, technical writing, or conference talks
  • Native mobile experience on Android (Kotlin) or iOS (Swift), with an understanding of platform constraints, lifecycle, and security primitives
  • Experience with AWS EC2 and compute-layer infrastructure

What we offer

  • A senior seat on a small, capable engineering team building products that real enterprise customers depend on
  • A clearly defined initial scope so you can ship meaningful work fast, with a growth path into broader platform leadership
  • Hands-on technical work spanning web, mobile, backend, security, and applied ML / CV — not maintenance work
  • A supportive environment that values craft, depth, and direct communication
  • Competitive compensation aligned with experience, and meaningful career growth as the company scales internationally

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