Senior Software Engineer, RLE
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Job Description
Senior Software Engineer building interactive systems for reinforcement learning at Handshake. Collaborating with AI labs and Fortune 500 partners to develop scalable platforms.
Responsibilities:
- Build and scale our reinforcement learning environments and the platforms behind them
- Drive architecture for scalable, reliable, extensible environment systems and data generation pipelines
- Partner with Research, Product, and Ops to turn ambiguous needs into production systems
- Build modular, plug-and-play domains that integrate cleanly with training and evaluation loops
- Raise the bar on reliability, observability, performance, and data quality
Requirements:
- 6+ years building backend, distributed systems, or ML infrastructure
- Proficiency with ReactJS and TypeScript, with deep knowledge of backend architectures.
- Strong command of relational databases (e.g., PostgreSQL), data modeling, system design, and distributed systems principles.
- Experience with cloud infrastructure (AWS, GCP), CI/CD pipelines, and operating production systems at scale.
- Experience with RL training infrastructure, simulation systems, or evaluation platforms (Nice to Have)
- Working in an operations-heavy, tech-enabled environment (Nice to Have)
- Experience supporting applied ML or AI research teams (Nice to Have)
Benefits:
- 🎯 Ownership: Equity in a fast-growing company
- 💰 Financial Wellness: 401(k) match, competitive compensation, financial coaching
- 🍼 Family Support: Paid parental leave, fertility benefits, parental coaching
- 💝 Wellbeing: Medical, dental, and vision, mental health support, $500 wellness stipend
- 📚 Growth: $2,000 learning stipend, ongoing development
- 💻 Office: Commuting support, free lunch, and gym in our SF office
- 🏝 Time Off: Flexible PTO, 15 holidays + 2 flex days
- 🤝 Connection: Team outings & referral bonuses
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