Prophecy · 9 hours ago
Staff/Principal Software Engineer (AI Agents)
San Francisco, California, United States (Hybrid)
Full-time
Hybrid
Senior Level, Lead/Staff
$300K/yr - $500K/yr
5+ years expProphecy is a leader in AI-native data preparation and analysis, revolutionizing how enterprises turn data chaos into reliable insights. The Staff/Principal Software Engineer (AI Agents) will own coding-agent services and architecture, mentor engineers, and design state-of-the-art coding agents for ETL and data analysis.
AnalyticsArtificial Intelligence (AI)Cloud Data ServicesEnterprise SoftwareInformation TechnologySaaS
Responsibilities
Own coding-agent services and architecture end-to-end
Mentor engineers and lead on the toughest technical problems
Design, code and ship state-of-the-art coding agents for ETL and data analysis
Drive both early exploration / prototyping and expanding our production platform
Build evaluation frameworks, testing harnesses, and observability/governance
Optimize prompts, context engineering, model selection, fine-tuning, and cost/performance
Qualification
Required
Shipped production single or multi-agent systems (code generation, workflow orchestration, or chatbots)
Hands-on with agentic frameworks (LangChain, LlamaIndex, CrewAI, or custom)
Prompt engineering and evaluation harness implementation
Strong backend engineering: microservices, high-throughput/low-latency systems, async processing, API design, cloud deployment (k8s, AWS)
Fluent in several of programming languages: Python, Go, Java, or Scala
Shipped features in large codebases (>500k LOC)
Led 2+ user-facing AI projects from ambiguity to production impact
Active hands-on coder: prototypes weekly, debugs production, unblocks teams
Daily user of AI coding agents (Cursor, Claude Code, etc.)
Enforces MLOps rigor: CI/CD, observability, A/B testing, on-call culture
Partnered cross-functionally with PMs/execs on roadmap and metrics
Showed Extreme Ownership & Startup Mentality – build and ship fast, fix things themselves, and care deeply about user impact
5+ years in industry
Preferred
Code generation models and agents (Codex, text-to-SQL), semantic extraction, or knowledge graphs (Neo4j, Neptune)
Compiler development (SQL, Python, Scala) or tooling (VSCode extensions, LSP, debuggers)
ML/LLM experience with fine-tuning (SFT, DPO, RLHF), distillation, quantization
RAG systems and vector databases (Pinecone, Weaviate, pgvector)
ETL pipelines with Spark or data processing at scale
Open-source AI/ML contributions (Hugging Face, PyTorch, etc.)
Track record driving technical strategy and build/buy decisions
Benefits
Prophecy covers 99% of employee health insurance premiums and 75% for dependents
We offer $200 per month towards remote work, wellness, gyms, massages, facials, and more!
Flexible PTO
Professional development allowance
Company sponsored Long Term Disability and Life Insurance, FSA/HSA, dental, vision, and more
Company
Prophecy
Prophecy is the AI data prep & analysis platform. We make business data teams incredibly productive with AI agentic coworkers.
51-200 employees
H1B Sponsorship
Prophecy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
2022 (1)
2020 (1)
Funding
Current Stage
Growth StageTotal Funding
$159.25MKey Investors
Smith Point CapitalInsight PartnersSignalFire
2025-01-16Series B· $47M
2024-10-10Series B· $38.8M
2023-10-02Series B· $35M
Leadership Team
Maciej Szpakowski
Co-Founder
Vikas Marwaha
Co-Founder
Recent News
Dallas Venture Capital
2025-04-26
website-files.com
2025-04-26
Singtel Innov8 Ventures
2025-04-26
Company data provided by crunchbase