This job has expired

This job posting is no longer active and is not accepting applications. Explore similar roles below!

Fable Security
Posted 4mo ago

Software Engineer - Platform/Infrastructure

Fable Security
San Francisco, California, United States
$160k-$225k/yrHybridFull Time
Responsibilities
  • Design backend
  • Operate systems
  • Improve reliability
Requirements
  • 3–7+ years backend/infrastructure experience
  • Distributed systems
  • Real-time/batch data processing
  • Cloud (AWS/GCP)
  • Scalable, reliable systems
  • Cross-functional collaboration
Technical tools mentioned
KafkaSparkAWSGCPAirflow

Job description

About Fable Security

AI-driven threats and human error are today’s biggest enterprise security risks. Cybercriminals don’t hack systems—they exploit people. Human errors drive 70% of security breaches, making human behavior the primary and growing attack surface. At Fable, we believe that the right tools can convert people from targets to another layer of defense.

Fable is the human risk platform that directly shapes employee behavior. Designed for simplicity and enterprise scale, our agentic platform synthesizes complex employee data, pinpoints risky behaviors, and deploys highly relevant interventions to people automatically, in real time, right where they work.

Backed by Redpoint Ventures and Greylock Partners and founded by early Abnormal Security team members, Fable is solving cybersecurity’s biggest challenge in a multi-billion-dollar market. Our team includes alumni from Meta, Twitter, Flexport, and top-tier universities like Waterloo, Columbia, Berkeley, Purdue, CMU, Stanford, UCLA, and USC. We are experiencing explosive growth, making this a career-defining opportunity to join and shape the future of security.

Why Join Us

  • Build and scale the foundational data infrastructure powering a category-defining product

  • Work closely with engineering, data science, and product teams to operationalize data at scale

  • Join a small, high-caliber team where you’ll have outsized ownership and impact

At an early-stage company, every engineer directly shapes how the product works and evolves. You’ll help define not just the system—but the way the company thinks about data.

Your Role

As a Platform / Infrastructure Engineer, you will build and scale the core systems that power Fable’s product and data workflows.

You’ll work across backend systems from real-time services to data pipeline. You’ll ensure reliability, scalability, and performance across the stack. You’ll collaborate closely with data and ML teams and contribute to the systems that ingest, process, and serve data.

This is a highly cross-functional role where you’ll partner with engineering, data, and product teams to build robust, production-grade systems that scale with the company.

Responsibilities

  • Design, build, and operate scalable backend and infrastructure systems

  • Develop and maintain services that support real-time and batch data processing

  • Contribute to core platform components (compute, storage, orchestration, and tooling)

  • Improve system reliability, observability, and performance across services and workflows

  • Collaborate with data and ML teams to support data ingestion, processing, and production use cases

  • Optimize systems for scalability, cost, and efficiency in cloud environments

  • Build internal tools and abstractions that improve developer velocity and system consistency

  • Contribute to secure and compliant infrastructure design

Your Skillset: Must-Have

  • 3–7+ years of experience in backend, infrastructure, or platform engineering

  • Experience building and operating distributed systems at scale

  • Familiarity with real-time or batch data processing systems (e.g., Kafka, Spark, or similar technologies)

  • Strong understanding of system design, scalability, and reliability principles

  • Experience with cloud platforms (AWS/GCP) and distributed storage systems

  • Ability to work across the stack and collaborate with cross-functional teams

  • Comfort operating in a fast-moving startup environment with high ownership

Nice-to-Have

  • Experience with data infrastructure or data platforms

  • Familiarity with stream processing or messaging systems

  • Exposure to ML infrastructure or data-driven product features

  • Experience with workflow orchestration tools (Airflow, etc.)

  • Background in security or high-sensitivity data environments

How We Work

  • We value impact over process—you’ll ship quickly and iterate

  • Engineers have high ownership and autonomy

  • We operate with tight feedback loops across product and engineering

  • We prioritize technical rigor, simplicity, and long-term scalability

Compensation & Benefits

  • Competitive salary + equity

  • Health, dental, vision coverage

  • Flexible PTO

  • Opportunity to join at an early stage and shape the company’s foundation

Why This Role Matters

Data is core to the product. You’ll be responsible for building the systems that enable:

  • Reliable, production-grade data for customers and internal teams

  • Real-time decision-making

  • Scalable analytics and experimentation

Your work will directly impact how the company builds, ships, and scales.

The estimated salary range for this position is estimated to be $160K - $225K / year. Total compensation for this position may also include Restricted Stock units, sign-on bonus and other potential future incentives. Further note that total compensation for this position will be determined by each individual’s relevant qualifications, work experience, skills, and other factors.

Fable Security is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status or other characteristics protected by law.

About Fable Security

AI-driven platform managing human risk and employee security behavior.

Year founded
2024
Employees
49
Organization type
Private
Latest investment
Raised $86.30M Series B (2025) — led by Greylock, Redpoint Ventures
Headquarters
US

Similar jobs

Software Engineer roles near San Francisco, California
3h
Save
Mark Applied
Hide
Senior Software Engineer
Dallas or Ashburn or Boston or New York City or San Francisco or Chicago or Santa Clara or Seattle or San Jose or Denver or Austin or Charlotte
$150k-$170k/yr RemoteFull Time
Digital Realty
Digital RealtyNYSE: DLR: Provides global data center, colocation, and interconnection solutions.
5+ YOEBachelor's degree in a technical discipline, 5+ years of software development, programming in multiple named languages, AI and cloud-native development, embedded systems, industrial protocols, and technical leadership.
Python, C++, C, Rust, Go, Java, JavaScript, TypeScript, OpenAI, Azure OpenAI, Anthropic Claude, LangChain, Semantic Kernel, AutoGen, CrewAI, RAG, Azure, AWS, GCP, Docker, Kubernetes, CI/CD, Git, Embedded Linux, RTOS, ARM, STM32, ESP32, NXP, PLC, SCADA, Building Management Systems (BMS), Industrial IoT, Ethernet, Serial Communications, MQTT, Modbus, CAN Bus, I²C, SPI, BACnet, OPC-UA, Profinet, EtherNet/IP
5h
Save
Mark Applied
Hide
Principal Software Developer – AI/ML Performance Validation & Systems Testing
San Jose, California, United States
$210k-$360k/yr HybridFull Time
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
Expert Python and strong C++ for software validation and test infrastructure; deep expertise in GPU, AI/ML, HPC, or distributed systems; experience with multi-GPU validation and release qualification; BS, MS, or PhD in a related field or equivalent experience.
ROCm, GitHub Actions, Jenkins, Python, C++, GitHub, PCIe, Infinity Fabric, xGMI, BMC, IPMI, Ethernet, InfiniBand, UALink, PyTorch, vLLM, Triton, JAX, MLPerf, CUDA, oneAPI, SYCL, TensorFlow, MPI, RCCL/NCCL, UCX, Libfabric, Linux, MCP, RAG, rocprof, Omniperf, Nsight, Redfish, PDU
5h
Save
Mark Applied
Hide
Software Engineer II, Frontend Agentic AI
San Francisco, California, United States
$140k-$192k/yr OnsiteFull Time
Okta
OktaNASDAQ: OKTA: Provide secure identity management and authentication for enterprises.
Requires 5+ years of relevant experience, with 3+ years in front-end engineering and deep React and TypeScript expertise. Requires production LLM interfaces, real-time UIs, state management, and strong product and communication skills.
React, TypeScript, WebSockets, LangChain, LangGraph, Vercel AI SDK
5h
Save
Mark Applied
Hide
Staff Software Engineer, Platform
San Francisco, California, United States
$189k-$236k/yr HybridFull Time
Motive
Motive: Provides an AI-powered fleet management and physical operations platform.
5+ YOERequires 5–8 years of software engineering experience, modern programming language expertise, scalable distributed systems, APIs, cloud-native services, technical judgment, and mentoring experience.
Go, Ruby, Python, Java, Kotlin, Swift
5h
Save
Mark Applied
Hide
Senior Software Engineer - Billing Platform
Menlo Park, California, United States
$200k-$288k/yr OnsiteFull Time
Snowflake
SnowflakeNYSE: SNOW: Cloud-based platform for data storage, processing, and analytics.
5+ YOE5+ years building large-scale distributed systems; bachelor's or master's in computer science or related field or equivalent experience; proficiency in Java, Scala, Python, or Go; strong database, data modeling, reliability, and communication skills.
Cortex Code CLI, Snowflake Intelligence, Java, Scala, Python, Go, SQL, CI/CD, Snowpark, Streams/Tasks, Iceberg, Streamlit, Cortex AI
5h
Save
Mark Applied
Hide
Senior Staff Software Engineer, AI Infrastructure
Sunnyvale, California, United States
$198k-$326k/yr HybridFull Time
LinkedInNASDAQ: MSFT: Professional social network for career development and job recruitment.
5+ YOERequires a bachelor's degree or equivalent experience, 5+ years in software development and large-scale infrastructure, 5+ years programming, 2+ years technical leadership, and distributed systems expertise.
Python, C++, Java, Go, Rust, Scala, LLMs, OTEL, OpenInferenceTelemetry
6h
Save
Mark Applied
Hide
Software Engineer III, Playback Services
San Francisco, California, United States
$17k-$205k/yr HybridFull Time
Crunchyroll
Crunchyroll: Operates a global streaming platform for anime and manga.
5+ YOERequires 5+ years of professional software development, backend services experience, TypeScript or Go, AWS or GCP, distributed systems, video streaming, APIs, and production debugging skills.
TypeScript, Go, AWS, GCP
6h
Save
Mark Applied
Hide
Senior Software Engineer
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
HybridFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
5+ YOERequires 5+ years of software engineering experience, strong Python or Go coding skills, distributed systems expertise, and experience with load testing, fault injection, chaos engineering, or developer infrastructure.
Python, Go, Kubernetes, CI/CD
This job has expired