Full Stack Engineer

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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