Senior Backend Engineer

We are seeking a talented senior Backend Engineer to join our team to help design, develop, and maintain the backend infrastructure of our emerging and growing client-side security product. As a Backend Developer, you will be responsible for creating micro-services that protect against client-side attacks, always evolve the system according to the latest security trends and compliance, and ensuring the system is highly scalable.

What you'll do

How You’ll Make an Impact -

• Architect for Scale: Lead the design and implementation of distributed systems engineered to process hundreds of thousands of requests per second while maintaining strict latency targets within tens of milliseconds.

• Own the Lifecycle: Take full accountability for the entire software development lifecycle—from initial architectural design and coding to rollout, observability, and long-term system health.

• Collaborate across Functions: Partner closely with product and engineering teams to transform ambitious product goals into high-performance technical reality.

Our Pragmatic Tech Stack -
We use a suite of tools specifically chosen to handle our unique scale and performance requirements:

• Core Backend: Go

• Messaging: Kafka, Redis Pub/Sub, GCP Pub/Sub.

• Data: MongoDB, Postgres, Redis, BigQuery.

• Infrastructure & Orchestration: Kubernetes, ArgoCD, Pulumi, Crossplane.

• CI/CD: GitHub Actions, Jenkins.

• Cloud Platforms: Multi-cloud environment (GCP, AWS, Azure).

Who you are

• High-Performance Specialist: 5+ years of experience building backend services and a deep understanding of modern distributed system design.

• Technical Proficiency: High proficiency in at least one backend language such as Go, Java, Scala, or similar. You should have a strong command of concurrency and multithreading. (Experience with Node.js is a plus).

• Reliability Mindset: A solid understanding of networking, monitoring, and alerting frameworks, with a proven track record of troubleshooting and optimizing complex production systems.

• Versatile Work Style: You are equally comfortable working independently on complex technical problems, contributing as part of a collaborative team, or taking the lead on major projects and initiatives.

  Why Join Us?

  • Solve Elite Engineering Challenges: Work on systems where every millisecond and every byte of optimization matters.

  • True Autonomy: We value engineers who take the lead. You’ll have the freedom to make critical design decisions and see them through to production.

  • Multi-Cloud Experience: Gain hands-on exposure to a sophisticated multi-cloud environment (AWS, GCP, Azure) and a modern GitOps-driven infrastructure.

About HUMAN Security

HUMAN was founded in a Brooklyn sci-fi bookstore with a hacker mindset and the lofty mission of making the internet safer by putting humans first. Today, our Human Defense Platform safeguards enterprises from sophisticated bots, fraud, and account abuse, verifying the humanity of more than 20 trillion interactions per week for the world’s biggest brands and internet platforms.

HUMAN is an equal opportunity workplace dedicated to protecting the internet's integrity for everyone. We believe in putting people first, embracing diversity of thought from our global teams, and welcoming all individuals to share their unique experiences as we fight cybercrime together. We support our Humans with a comprehensive total rewards package for personal and professional development, including well-being and learning stipends, flexible work options, and dedicated time off. While our HQ is in NYC, we have teams worldwide.

HUMAN is growing fast, and there’s never been a more meaningful time to join us. If you thrive on solving complex problems and want to help shape the future of cybersecurity, join us as we build a safer, more human internet.

If you are an individual with a disability or special need that requires accommodation, please contact us directly.