Pronoia Energy: Developing room-temperature macroscopic quantum energy storage technology.
Deep on-prem backend and systems engineering experience, sandboxing/untrusted-code isolation expertise, security-first infrastructure mindset, self-starter comfortable with rapid iteration and cross-disciplinary work.
San Francisco or Waterloo or New York City or Connecticut or New Jersey or Seattle or Los Angeles or San Diego
$149k-$299k/yrHybridFull Time
TextNow: Provides free, ad-supported mobile calling and texting services.
4+ YOE4+ years software engineering experience; strong CS fundamentals; experience with distributed systems, databases, APIs, and cloud infrastructure; proficiency in one or more modern programming languages; strong communication and collaboration skills.
Los Angeles or San Francisco or Seattle or United States or United Kingdom or Ireland or Poland or Germany or Australia
$280k-$330k/yrHybridFull Time
Whatnot: Social marketplace for buying and selling via live streams
10+ YOE7+ Mgmt10+ years platform/infrastructure engineering experience with 7+ years managing engineering teams; strong backend systems knowledge; hands-on credibility with Python, Elixir, or Go; exceptional communication and leadership.
Bellevue or Seattle or San Francisco or Palo Alto or Los Angeles
$195k-$343k/yrOnsiteFull Time
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
9+ YOEBachelor's in CS/Engineering or equivalent; 9+ years software development experience (reduced with advanced degree); proven technical lead experience building and operating large-scale distributed backend systems; strong system design and leadership skills.
Senior Platform Engineer, Data & AI Infrastructure
Durham or New York City or Los Angeles or Phoenix
$140k-$160k/yrHybridFull Time
McKinney: Provides strategic advertising and creative marketing services to brands.
4+ YOE4+ years of professional software engineering with backend focus; strong Python, cloud, and data tooling; experience with AI/LLM integration and security best practices.
9+ YOEBachelor's or equivalent experience, 9+ years software development, proven technical leadership on large distributed backend systems, experience with system design and platform direction, strong communication and mentoring skills.
Zoo: Develops infrastructure and AI-powered tools for hardware design.
Senior systems, platform, or infrastructure engineering with Rust expertise; strong backend/infrastructure focus; experience with distributed systems, databases, APIs, and IaC; autonomous, proactive, and customer-focused.
Rust, Databases, API design, Distributed systems, Infrastructure as code, Containers, React
Commure: AI-powered software platform for healthcare workflow and administrative automation.
8+ YOE8+ years software engineering experience designing and operating secure, scalable authentication/authorization and distributed backend systems; experience with Kubernetes and cloud-native infrastructure; strong technical leadership and mentorship.
Match GroupNasdaq: MTCH: Provider of a global portfolio of online dating services.
Staff/Principal-level hands-on engineer to build end-to-end frontend, backend, AI systems, and infrastructure; strong product judgment, reliability, privacy, and scalability focus.
Volund Manufacturing: Designs and manufactures jet engines for defense and aerospace.
3+ YOE3+ years professional software engineering; full-stack experience across frontend, backend, and infrastructure; experience with Go, React + TypeScript, cloud (Azure), Kubernetes and Terraform; familiarity with Teamcenter/Odoo integrations and security/compliance (ITAR, CMMC, NIST). Must be a U.S. person.
TubeScience: Data-driven performance video production for social media advertising.
Senior full-stack engineer to lead frontend tooling, backend services, and cloud infrastructure for production AI integrations; strong JavaScript and Python skills, low-level language experience, media pipeline knowledge, observability and distributed systems expertise.
Anduril Industries: Defense technology building autonomous military hardware and software.
Experience building backend software and developer tooling; ownership of services, pipelines, and infrastructure; familiarity with cloud, CI/CD, and infrastructure-as-code; U.S. Person eligible for Top Secret clearance.
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
10+ YOE10+ years software engineering experience; designing and owning backend infrastructure that integrates edge hardware, ML, data platforms, and visualization; strong collaboration and execution in cross-functional R&D settings.
Sift: Software platform for high-frequency hardware telemetry observability.
3+ YOE3+ years professional software engineering; frontend experience (React, NextJS); backend experience (Go, Python, Rust); product ownership and customer-facing work; experience with AI agents, Kubernetes, and cloud infrastructure.
Esri: Developing software for digital mapping and spatial data analysis.
5+ YOE5+ years software product development; experience with cloud infrastructure, backend services, data pipelines; strong skills in TypeScript/JavaScript or C++/.NET/Python; agile and git proficiency; bachelor's degree in CS or related field.
Vast.ai: Decentralized marketplace for GPU cloud computing resources.
3+ YOE3+ years backend engineering plus 3+ years product management experience; hands-on with security, scalability, reliability, infra tooling, distributed systems, observability; startup experience preferred.
2+ YOE2+ years software engineering experience in production; product/design experience; strong communication; experience with data modeling, ETL, APIs, frontend/backend, hardware integration, ML or infrastructure.