Handshake logo
Handshake

Helping all students and recent grads find their next opportunity.

Senior Software Engineer, RLE

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 501-1,000Since 2014H1B SponsorCompany SiteLinkedIn

Location

California

Posted

36 days ago

Salary

$225K - $250K / year

Seniority

Senior

Job Description

Senior Software Engineer, RLE

Handshake

• 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

Job 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

Related Job Pages

More Full-stack Engineer Jobs

NetBox Labs logo

Staff Software Engineer – Tech Lead

NetBox Labs

We make it easier to build and manage complex networks.

Full TimeRemoteTeam 11-50Since 2023H1B No Sponsor

• Drive technical direction across our Observability team, ensuring alignment between product goals, system design, and engineering execution. • Design, build, and maintain backend systems supporting NetBox Labs' SaaS and on-premise products, including open-source, source-available, and commercial offerings. • Guide how teams structure technical domains, define clear service boundaries, and evolve contracts and interfaces over time. • Collaborate with platform, product, and infrastructure teams to ensure backend systems integrate cohesively across authentication, authorization, billing, and data layers. • Mentor engineers across teams through code reviews, design sessions, and ongoing technical coaching; driving good outcomes within their domains, not just your own. • Operate what you build: participate in deployment, monitoring, and on-call rotations to ensure reliability. • Partner with product managers and engineering directors to translate roadmap goals into well-scoped engineering plans: breaking large initiatives into phases, surfacing risks early, and keeping technical and product timelines in sync. • Contribute to technical documentation, internal knowledge sharing, and raising the overall engineering bar.

United States
$215K - $262K / year
Job Closed
Cozey logo

Senior Software Engineer

Cozey

Thoughtfully designed furniture, made for modern living.

Full TimeRemoteTeam 51-200H1B No Sponsor

• Build new features for our flagship product — the Cozey Operating System (COS) • Create in-house tools and platforms to replace third-party solutions • Develop AI agents to automate and streamline warehouse management workflows • Collaborate closely with operations and product teams to identify pain points and rapidly launch impactful solutions • Own projects end-to-end — from design and architecture to implementation and deployment

Canada
Vanta logo

Senior Fullstack Software Engineer, Test Experience

Vanta

Vanta is the leading trust management platform that helps simplify & centralize security for organizations of all sizes.

Full TimeRemoteTeam 201-500Since 2018H1B Sponsor

• Design, develop, and own new product functionality and/or infrastructure leveraging modern frameworks and tooling (TypeScript, React, Node.js) • Lead high impact projects with multiple stakeholders and engineers to enable our business and team to scale • Set direction for critical technical surface areas, enabling us to stay ahead of continued rapid growth • Work with talented and kind engineers to make a significant impact on our customer base, enabling them to improve and review their security posture • Contribute to building Vanta’s engineering culture as we grow

United States
$195K - $229K / year
Job Closed
Vanta logo

Senior Fullstack Engineer, Emerging Products – Product Platform

Vanta

Vanta is the leading trust management platform that helps simplify & centralize security for organizations of all sizes.

Full TimeRemoteTeam 201-500Since 2018H1B Sponsor

• Lead complex projects with multiple stakeholders and engineers to accelerate our roadmap and land impact faster. • Collaborate with other teams and engineers across Vanta on cross-cutting engineering initiatives or on building common product primitives. • Mentor engineers up to your own level; assigning them tasks and helping them develop their skills over the course of each project. • Make effective tradeoffs that consider business priorities, user experience, and a sustainable technical foundation.

United States
$195K - $229K / year