Staff Software Engineer, RLE

Handshake

Staff Software Engineer leading architecture and evolution of Reinforcement Learning Environments at Handshake. Collaborating with teams to enhance AI model learning and system design.

Posted 4/24/2026full-timeRemote • California • 🇺🇸 United StatesLead💰 $265,500 - $295,000 per yearWebsite

Tech Stack

Tools & technologies

CloudDistributed SystemsTypeScript

About the role

Key responsibilities & impact

Define and drive architecture for scalable, extensible RLE systems and data pipelines
Lead development of platform capabilities enabling rapid domain creation
Partner with Research, Product, and Ops to shape strategy and execution
Set standards for reliability, observability, performance, and data quality
Mentor engineers and elevate engineering excellence across the team
Identify and solve systemic bottlenecks in scaling environments and data generation

Requirements

What you’ll need

8+ years of experience in distributed systems, backend infrastructure, or ML platforms
Deep expertise in system design, data modeling, and scalable architectures
Strong proficiency with TypeScript, backend systems, and modern web stacks
Proven experience operating high-scale production systems in cloud environments
Track record of technical leadership and cross-functional influence
Nice to Have: Experience with RL infrastructure, simulation systems, or evaluation frameworks
Background supporting applied AI/ML research teams
Experience building platform-level abstractions used across multiple teams

Benefits

Comp & perks

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

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

distributed systemsbackend infrastructureML platformssystem designdata modelingscalable architecturesTypeScriptcloud environmentshigh-scale production systemsplatform-level abstractions

Soft Skills

technical leadershipcross-functional influencementoringengineering excellenceproblem-solving