Weekly digest
Week of 27 July 2026
60 of 125 listed below
125 new roles this week across 35 companies; the biggest movers: OpenAI (+18), Valar Atomics (+11), LangChain (+9).
Research
- Member of Technical Staff - Research Software Engineer - Safety Evaluations Infrastructure — Reflection AI Builds open AI models that enable anyone to control and shape intelligent systems
- Member of Technical Staff - ML Scientist, Japanese Multimodal — Liquid AI Builds efficient foundation models that run on-device across phones, cars, and edge hardware without sending d
- Member of Technical Staff (Model Behavior) — Perplexity AI-powered answer engine that provides conversational, source-backed responses to user queries
- Applied Scientist, EMEA — Mistral AI Builds open-source AI models and platforms for deploying custom generative AI agents and applications
ML engineering
- Member of Technical Staff, AI Training Infrastructure — Fireworks AI Inference engine for deploying and fine-tuning open-source AI models with low-latency, high-throughput serving
- Member of Technical Staff - Applied ML, Japanese Multimodal — Liquid AI
- AI Product Engineer - Nexus — Fireworks AI
- Data Scientist, Ads Demand — OpenAI Develops AI systems including large language models like ChatGPT for research and commercial use
Applied AI
- Implementations Manager — Numeric AI platform automating financial close, reconciliations, and cash management for accounting teams
- Applied AI, Forward Deployed Engineer - Cybersecurity (Canada) — Mistral AI
- AI Deployment Strategist — Fireworks AI
- Software Engineer, Applied AI — Numeric
Infrastructure
- Member of Technical Staff - GPU Infrastructure Engineer — Liquid AI
- Land Development & Due Diligence Lead — OpenAI
- Senior Third-Party Risk Specialist — Mistral AI
- Sr. Security Engineer - GRC Fintech & Financial Services — xAI Develops Grok, an AI platform offering reasoning, code, voice, image, and video capabilities through a unified
Data
- Senior OT Data Engineer — Valar Atomics Builds high-temperature gas reactors for industrial power, hydrogen, and clean fuel production at scale
Software
- Senior Product Engineer, Fullstack — Together AI Together AI is a cloud-based platform specializing in artificial intelligence infrastructure and tools
- Senior Software Engineer, Customer Insights — Together AI
- Software Engineer - Data Aquisition (systems) — OpenAI
- Software Engineer, API Agents — OpenAI
- Software Engineer, API Multimodal — OpenAI
Hardware
- Staff Mechanical Engineer — Mariana Minerals Software-first developer and operator of critical mineral projects for energy, AI, and defense
- Principal Systems Engineer, Aircraft Simulation and Design Integration — Mach Industries Develops low-cost autonomous aerospace and defense systems including drones, munitions, and propulsion compone
- Member of Technical Staff - Design Engineer — Valthos AI systems that identify biological threats and design medical countermeasures in real time
- Principal Instrumentation & Control Engineer — Valar Atomics
- Prototype Engineering Lead — Etched Etched.ai is a technology startup developing specialized hardware for large language model (LLM) inference
- Senior Electrical Engineer - Platforms (Power Systems) — Saronic Saronic Technologies develops advanced autonomous surface vessels for naval and maritime applications
- Senior Conceptual Design Engineer - Advanced Concepts — Mach Industries
- Senior MDAO Engineer — Mach Industries
- Senior Process Engineer — Valar Atomics
- Senior Thermal-Hydraulics Analysis Engineer — Valar Atomics
- Electrical Engineer – UUVs & Undersea Electronics — Saronic
Science
- Member of Technical Staff - Applied Computational Biologist — Valthos
- Research Leader / Senior Scientist (In vitro / Cellular Pharmacology), Cambridge, MA — Isomorphic Laboratories Builds AI models to accelerate drug discovery and design novel medicines
- Research Leader / Senior Scientist (In vivo Pharmacology & Translational Sciences), Cambridge, MA — Isomorphic Laboratories
Product
- Product Manager, Agent Development — Sierra Conversational AI platform that deploys customized agents across chat, voice, email, and SMS for customer supp
Design
Go-to-market
- Regional Director — Modal Modal is a cloud-based serverless computing platform designed for data science and machine learning teams
- Director of Commercial Sales — LangChain Framework and platform for building, testing, deploying, and monitoring LLM-powered agents
- Account Director, Digital Natives Growth — OpenAI
- Account Director, Large Enterprise — OpenAI
- Enablement Lead, Programs — Mistral AI
- Sales Enablement Lead — Fireworks AI
- Scientific Developer Relations Manager — CuspAI Uses AI and molecular simulation to accelerate materials discovery for pharma, biotech, and clean energy
- Senior Manager, Product Partnerships — OpenRouter Unified API gateway providing access to 500+ AI models across 80+ providers with intelligent routing
- Growth - Lifecycle Lead — OpenAI
- Account Manager - Brazil — ElevenLabs AI platform generating realistic speech, music, and sound effects across 70+ languages
- Mid-Market Sales Lead - East — ElevenLabs
- Solutions Marketing Lead, SMB — Lovable AI platform that generates production-ready web applications and websites from natural language descriptions
Operations
- Director of Mining and Technical Services — Mariana Minerals
- Supply Chain Systems & Governance, Director — Valar Atomics
- Head of Technical Accounting — Etched
- Technical Program Manager, Human Data Annotation (Code) — Mistral AI
- Recruiting Manager — Sierra
- Lead Revenue Accounting, Technical (Strategic Partnerships) — OpenAI
- Manager, Facilities Operations - Memphis — xAI
- Global Supply Manager — Valar Atomics
General
- Ricursive at DAC 2026 — Introduce Yourself — Ricursive Intelligence Designs AI chips using machine learning to optimize semiconductor development and inference performance
Every line links to the role on Liftoff Jobs, and from there to the company's own board. · Past issues · Search the whole index
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