Senior Backend Cloud Engineer
Posted 11hrs ago
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Job Description
Senior Backend Cloud Engineer building Scala and Rust cloud services for Halcyon’s anti-ransomware security platform. Leading data platform, API, migration, and security analysis engineering.
Responsibilities:
- Lead the design and delivery of features across the data platform and public API services, including ingestion, transformation, and enrichment of security data.
- Drive system design, architecture, and data flow decisions with product and platform engineering.
- Build, deploy, and own Scala-based backend services in production, maintaining reliability, security, and performance.
- Help execute migration of selected APIs from Scala to Rust.
- Set standards for code quality, documentation, and operational excellence.
- Lead design reviews and code reviews; participate in on-call and incident response.
- Support and enhance the Python-based security analysis platform, including malware analysis engines, automated threat detection, and machine learning model workflows.
Requirements:
- 5+ years of backend engineering experience, with recent experience in a JVM-based codebase.
- A track record of designing and owning distributed systems from start to finish.
- Experience with Rust, or a well-formed view of when it’s the right tool, and the ability to help guide a migration.
- 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.
- Bonus: Familiarity with functional programming patterns and idiomatic Scala.
- Bonus: Experience with Databricks and ClickHouse or similar lakehouse and analytical/OLAP data stores.
- Bonus: Experience with Terraform, Helm, and GitHub Actions.
- Bonus: Familiarity with observability tools including Prometheus, Grafana, and CloudWatch.
- Bonus: Prior work on security products, data pipelines, or high-availability systems.
- Bonus: Python development experience with security analysis tools and malware detection frameworks such as YARA, PE analysis, and binary analysis.
- Bonus: Familiarity with machine learning workflows, AutoML, and MLflow for model deployment and management.
- Bonus: Experience with binary analysis libraries including LIEF, ssdeep, and TLSH and security tooling integration.
Benefits:
- 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.
- Discretionary bonuses/incentives may be available.



















