Full Stack Engineer

4 hours ago

Hanoi Capital Region, Vietnam ActiveFence Full time

ABOUT ACTIVEFENCE

ActiveFence is the leading tool stack for Trust & Safety teams, worldwide. By relying on ActiveFence's end-to-end solution, Trust & Safety teams - of all sizes - can keep users safe from the widest spectrum of online harms, unwanted content, and malicious behavior, including child safety, disinformation, fraud, hate speech, terror, nudity, and more.

Using cutting-edge AI and a team of world-class subject-matter experts to continuously collect, analyze, and contextualize data, ActiveFence ensures that in an ever-changing world, customers are always two steps ahead of bad actors. As a result, Trust & Safety teams can be proactive and provide maximum protection to users across a multitude of abuse areas, in 70+ languages.

Backed by leading Silicon Valley investors such as CRV and Norwest, ActiveFence has raised $100M to date; employs 300 people worldwide, and has contributed to the online safety of billions of users across the globe.

ABOUT THE POSITION

About the Role:

We are looking for a highly skilled and proactive Full-stack Developer to join our team for maternity leave cover, with the possibility of transitioning into a full-time role. This position is ideal for an analytical problem-solver who thrives in dynamic environments and can seamlessly integrate technical expertise with business acumen to deliver impactful solutions.

Responsibilities:

  • Build and maintain production-grade frontend and backend systems that power our AI platform
  • Own features end-to-end: design → implement → deploy → monitor → improve
  • Build observability and monitoring across the stack (Coralogix, OpenTelemetry, or similar)
  • Partner with the AI and data teams to deliver platform capabilities that support multi-agent systems
  • Help establish engineering best practices; drive code quality, reviews, and standards
  • Move fast using AI coding tools - Cursor, Claude Code, or similar

REQUIREMENTS

  • 4+ years hands-on full stack development in production environments
  • Strong React/TypeScript and Python experience
  • Production experience with cloud infrastructure (AWS, Docker, CI/CD)
  • Passion for AI-assisted development and agentic coding (Experience with Cursor, Calude Code, GH Co-Pilot, etc)
  • Fast learner who actively explores new tools and technologies
  • Enthusiasm for sharing knowledge and evangelizing what works

Nice to have

  • Observability tools: Coralogix, Datadog, OpenTelemetry
  • Experience with IaC (Terraform)
  • Background in security, trust & safety, or similar domains

If you are a forward-thinking data professional who can quickly adapt, innovate, and deliver, we invite you to join our team for this exciting opportunity.
Apply today to make an impact

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