Backend Engineer

Backend engineer - Indigo Platform LevelBlue/Cybereason · Tokyo, Japan MUST BE LOCATED IN JAPAN At Level Blue/Cybereason, we are developing Indigo, our next-generation platform designed for high-throughput ingestion, processing, and real-time analysis of EDR, XDR, and MDR telemetry. The system is architected to handle millions of concurrent security events per second, requiring high-concurrency backend services written primarily in Rust, deployed across low-latency distributed infrastructure. We are looking for a Full-Stack Engineer with a strong backend focus to own core components of the Indigo platform, optimizing for data integrity, low latency, and system reliability at scale. Key Responsibilities • System Architecture & Development: Design, implement, and maintain scalable backend services and supporting front-end interfaces for the Indigo platform. • Data Ingestion & Processing: Build and optimize high-throughput data pipelines capable of ingesting and parsing large volumes of real-time security logs and metrics. • Performance Optimization: Continuously profile, benchmark, and optimize distributed services to maintain minimal processing latency under heavy workloads. • API & Integration Engineering: Design and implement resilient, secure APIs to interface with various enterprise IT and cybersecurity tools. • Security & Compliance: Ensure all platform components adhere to strict security standards, incorporating robust encryption, token-based authentication (OAuth 2.0), and data protection protocols. Technical Qualifications Required Experience • Professional Experience: 5+ years of full-stack or backend-heavy development experience building distributed, high-throughput systems. • Core Languages: Strong proficiency in Rust is required. Familiarity with Go, Java, or C++ is highly valued. • Data Pipelines & Streaming: Hands-on experience with Apache Kafka, the ELK stack, and distributed data processing frameworks (e.g., Flink, Spark, Redis). • Infrastructure & Cloud: Proven experience with cloud-native environments, microservices architectures, and containerization (Docker, Kubernetes). • Databases: Strong understanding of SQL and NoSQL databases, including optimization for high-write, data-heavy environments. • Observability: Familiarity with telemetry routing and monitoring tools like Datadog and Vector. Preferred Qualifications • Familiarity with SIEM systems or the application of machine learning within data streams. • Experience with time-series databases, data warehousing solutions, and GraphQL. • Knowledge of Infrastructure as Code (IaC) tools and modern DevOps/SRE practices. #LI-Remote More About Cybereason: Our culture and how we operate reflects in our shared values. Our #Defenders are individuals with diverse skill sets and backgrounds who are driven to innovate and scale with our growing organization. We are a team that strives to learn from each other, solve challenging problems, and work collaboratively toward our goal of reversing the adversary advantage. Core Values: • Win As One: The power of an individual is less than the power of a team. • Ever Evolving: Change keeps us at the forefront, so we encourage it. • Daring: To achieve the impossible, we must dare to be different. • Obsessed with Customers: We believe gaining our customers’ trust is the most important part of what we do. • Never Give Up: We are tenacious and resilient, and we never stop. • UbU: We believe people can only unlock their full potential when they work somewhere that accepts who they are. If these values resonate with you and our vision excites you, join us today and help us end cyber attacks from the endpoint to everywhere! #Defenders Don’t meet every single requirement? Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. At Cybereason we are dedicated to building a diverse, inclusive, and authentic workplace (#uBu), so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyways. You may be just the right candidate for this or other roles.