Senior Software Engineer, Backend (Agentic AI)
Sift Stack, Inc.Base Salary
$200k - $250k/yr
Responsibilities
- Talk directly to customers and partner with product to turn hardware review workflows into agent capabilities.
- Design, ship, and operate agentic systems that reason over large-scale time-series data and hardware context.
- Build agent tool interfaces, sandboxed execution, context and memory management, compaction algorithms, skills, and guardrails.
- Build distributed systems for real-time streaming, disconnect recovery, and resumption across restarts.
- Design job-based systems that schedule, scale, and tear down agent workloads on Kubernetes in cloud and on-premises environments.
- Develop and maintain Sift’s MCP server for querying telemetry.
- Design and implement APIs powering agentic capabilities.
- Build evaluation suites and production instrumentation for quality, latency, cost, and failure modes.
- Integrate and assess frontier models across providers.
Requirements
- 8+ years of professional software engineering experience.
- Experience building APIs and complex backend services with Go, Python, Rust, or similar technologies.
- Working knowledge of distributed systems fundamentals.
- Interest in experimenting with new AI agents, models, and features.
- Ability to own a product area, work with customers, decide what to build, and ship it.
- U.S. citizen, lawful permanent resident, or other qualifying U.S. Person status required for ITAR/EAR compliance.
Benefits
- Hybrid collaboration in person twice weekly on Mondays and Thursdays.
- Full in-person week every two months.
- Relocation support to Los Angeles or the option to work from the San Francisco office for the right candidate.
- Equity and benefits are provided.
- U.S. Person status is required for ITAR/EAR compliance.
Tech Stack
Categories
About Sift Stack, Inc.
Sift is transforming how modern machines are built and operated. Our platform goes beyond traditional monitoring, enabling automated data review that catches unusual conditions in systems too complex for manual checks. This not only enhances reliability but also dramatically speeds up development cycles. At our core, we provide a unified solution for ingesting, storing, and analyzing vast amounts of machine data. By combining powerful data processing with easy-to-use visualizations, we help engineers make sense of enormous amounts of information. From spacecraft to self-driving cars, Sift is the backbone of innovation for companies pushing technology to new limits. Born from the challenges of spaceflight, Sift aims to accelerate technological progress. We believe that by giving engineers better tools to understand and improve their creations, we can unlock a new era of innovation. Our mission goes beyond solving today's engineering problems; we're building the foundation for a future where the most ambitious machines are developed with confidence, run with precision, and constantly improved. We're also tackling related challenges like simplifying regulatory compliance, and improving manufacturing processes. By connecting data from various sources—from sensors to manufacturing records to regulatory requirements—we're empowering a new generation of engineers to build the technologies that will shape our world. Join us in our journey to usher in this new age of reliable, groundbreaking technology. Whether you're launching rockets, developing autonomous systems, or advancing energy and transportation, Sift is your partner in turning vast amounts of data into insights that drive innovation forward.