Mid Level Backend Engineer

What we do:
Halcyon is the industrys first dedicated adaptive security platform that combines multiple proprietary advanced prevention engines along with AI models focused specifically on stopping ransomware.

Who we are:
Halcyon was formed in 2021 by a team of cyber industry veterans after battling the scourge of ransomware (and advanced threats) for years at some of the largest global security vendors. Comprised of leaders from Cylance (now Blackberry) Accuvant (now Optiv) Fireye and ISS X-Force (now IBM) Halcyon is focused on building products and solutions for mid-market and enterprise customers.

As a remote-native completely distributed global team we recognize great talent can exist anywhere. We invite you to apply to a job youre interested in and well work a plan to meet your needs.

• Contribute to feature development across our data platform and public API services including ingestion transformation and enrichment of security data.
• Collaborate with product and platform engineers to align on system design architecture and data flow.
• Develop test deploy and monitor Scala-based backend services that are reliable secure and performant.
• Support our gradual migration of certain APIs from Scala to C# ensuring consistency and continuity.
• Maintain high standards for code quality documentation and operational reliability.
• Participate in design discussions code reviews and incident response.
• Support and enhance our Python-based security analysis platform including malware analysis engines automated threat detection and machine learning model workflows.

• 4-7 years of backend engineering experience with recent experience in a jvm-based codebase.
• Exposure to C# or interest in learning it as part of a migration path.
• Strong understanding of APIs messaging systems (Kafka) and modern data stores (Postgres DynamoDB OpenSearch).
• Experience building services in a cloud-native environment preferably AWS.
• Working knowledge of containers and Kubernetes.
• Comfortable working in a remote-first asynchronous team environment.

• Familiarity with functional programming patterns and idiomatic Scala.
• Experience with Terraform Helm and GitHub Actions.
• Familiarity with observability tools (Prometheus Grafana CloudWatch).
• Prior work in security products data pipelines or high-availability systems.
• Python development experience particularly with security analysis tools and malware detection frameworks (YARA PE analysis binary analysis).
• Familiarity with machine learning workflows AutoML and MLflow for model deployment and management.
• Experience with binary analysis libraries (LIEF ssdeep TLSH) and security tooling integration.

Benefits:

Halcyon offers the following benefits to eligible employees:

• Comprehensive healthcare (medical dental and vision) with premiums paid in full for employees and dependents.

• 401k plan with a generous employer contribution.

• Short and long-term disability coverage basic life and AD&D insurance plans.

• Medical and dependent care FSA options.

• Flexible PTO policy.

• Parental leave.

• Generous equity offering.

The Company reserves the right to modify or change these benefits programs at any time with or without notice. #LI-DNI

Base Salary Range: $120000 - $170000

Bonus Target: 10%

In accordance with applicable state and federal laws the range provided is Halcyons reasonable estimate of the base compensation for this role. The actual amount may differ based on non-discriminatory factors such as experience knowledge skills abilities and location. Base pay is one part of the total package that is provided to compensate and recognize employees for their work and this role may be eligible for additional discretionary bonuses/incentives and equity in the Company.

We understand it takes a diverse team of highly intelligent passionate curious and creative people to develop the exceptional product we are building. Our dynamic team has incredible perspectives to share just as we know you do and we take great pride in being an equal opportunity employer.