Member of Technical Staff [Agent]
NeoCognition
About the Role As a Member of Technical Staff [Agent] at NeoCognition , you’ll be one of the founding engineers transforming our research into real, user-facing products and developer experiences. You’ll work across the full stack — from backend APIs and data infrastructure to front-end interfaces and SDKs — to make our large language model (LLM) agent research usable and impactful. This role blends product engineering with systems thinking: you’ll build not only applications but also the developer tools and libraries that make those applications scalable, reliable, and delightful to use. You’ll collaborate closely with research scientists, platform engineers, and UX researchers to define, build, and ship the next generation of AI-powered products and developer experiences. Responsibilities Design, build, and maintain production-ready applications and developer tools , including web apps, APIs, SDKs, and internal libraries. Drive the end-to-end product lifecycle — from concept and prototype to launch, iteration, and user feedback. Translate cutting‑edge research outputs into robust, usable product features and developer‑facing abstractions. Contribute to the architecture, design, and scalability of systems as usage grows. Collaborate across research, design, and infrastructure teams to align product goals with technical feasibility. Define and uphold engineering excellence — testing, CI/CD, documentation, and deployment best practices. Build tools and abstractions that make it easier for both internal teams and external developers to leverage our AI systems. Qualifications Required: Proven experience in shipping and maintaining full‑cycle software products — from prototype to production to iteration. Strong programming skills in Python , TypeScript/JavaScript , or equivalent, with experience in modern web frameworks (e.g., React, Next.js, FastAPI, Flask). Solid understanding of application architecture, scaling, and reliability in a cloud environment (AWS, GCP, or equivalent). Experience building developer tools, SDKs, or shared libraries used by other engineers or external developers. Ability to thrive in a fast‑moving, early‑stage environment with high autonomy and cross‑functional collaboration. Nice to have: Experience integrating AI or LLM‑based features into production applications. Familiarity with API design and developer experience (DX) best practices. Background in open‑source contributions or building platforms others depend on. Interest in product design, usability, and the end‑user experience of developer tools. #J-18808-Ljbffr NeoCognition
$180k
Overview Member of Technical Staff - Coding Agents. Join to apply for the Member of Technical Staff - Coding Agents role at xAI. xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small...SuggestedFull timeWork at officeWork from homeRelocation- ...autonomous proactive security from the ground up, reinforcing the tradecraft of elite red teamers into purpose-built security models and agents that discover risk and remediate it before organizations are breached. Led by Kevin Mandia, founder of Mandiant ($5.4B exit to...SuggestedWork at officeFlexible hours
- ...coworkers for fraud, financial crime, and compliance teams. Our agents investigate every transaction and user around the clock —... ...a dozen tabs. As one of our first engineers, you'll shape the technical foundation of Socratix AI (YC S25). We build AI agents that investigate...SuggestedWork at officeWeekend work3 days per week
- ...systems, headquartered in Palo Alto. We’re led by industry veterans and draw from top research institutions, creating a platform where agents autonomously reason over complex data. You’ll shape the backend, LLM stack, and evaluation layers, collaborating closely with...Suggested
- ...the forefront of AI—backed by world-class institutional investors and strategic partners. We are looking for an exceptional Member of Technical Staff to help design, build, and scale core components of our next-generation AI compute platform. Key Responsibilities Core...Suggested
DensityAI
Mountain View, CA4 days ago - About The Role RadixArk is seeking a Member of Technical Staff: Accelerator Systems to push the limits of performance for frontier AI systems. Most performance engineering assumes a single vendor's stack. This role assumes none. You\'ll bring up, optimize, and maintain...Flexible hours
- Member of Technical Staff, Research Evaluations Sanas is pioneering the future of human communication. Founded by a team of Stanford researchers and entrepreneurs with deep industry experience, Sanas has developed the world's first real-time speech AI platform capable of...
- ...engaging, more meaningful, and more fun than passive content — and we think everyone should be able to make them. As a Frontend Member of Technical Staff (MTS), you’ll help make that a reality. You’ll own the creation and play experiences that millions of users touch every...
- ...founding team from Anthropic, Google DeepMind, Meta SuperIntelligence, xAI, Apple and Intel. What You'll Do As a Founding Member of the Technical Staff at Architect, you'll be at the forefront of training AI models for chip design, verification and exploration tasks. You...
- Member of Technical Staff — Kernel / Compiler / Communication About the Role RadixArk is seeking a Member of Technical Staff — Kernel / Compiler / Communication to push the limits of performance for frontier AI systems. You will work at the lowest layers of the stack —...Flexible hours
$180k
...invited to a 15 minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the... ..., you will enter the main process, which consists of 2 technical interviews and 1 project deep-dive interview: Practical coding...Temporary work- ...founding team from Anthropic, Google DeepMind, Meta SuperIntelligence, xAI, Apple and Intel. What You’ll Do As a Founding Member of the Technical Staff on the RTL Design team at Architect, you’ll own the AI-driven microarchitecture and RTL design of the memory subsystem...
- About the Role RadixArk is looking for a Member of Technical Staff (Cluster / Platform) to architect and scale the core compute platform that powers frontier-level AI training and inference. You will design and operate highly reliable, high-performance GPU/TPU clusters...Flexible hours
- About The Role RadixArk is hiring a Member of Technical Staff — CI Engineer to own the infrastructure that keeps SGLang moving. Our CI system runs 300+ GPU tests across NVIDIA, AMD, Intel, and Ascend hardware pools, gating every commit to one of the fastest‑growing open...Flexible hoursNight shift
$180k
Member of Technical Staff, Pre-training Data Infrastructure xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. All employees...Temporary workRelocation- Member of Technical Staff, LLM Post-Training, Applied Sanas is pioneering the future of human communication. Founded by a team of Stanford researchers and entrepreneurs with deep industry experience, Sanas has developed the world's first real-time speech AI platform capable...
- Member of Technical Staff — Diffusion Model About the Role RadixArk is seeking a Member of Technical Staff — Diffusion Model to advance the frontier of generative modeling. You will work on cutting-edge diffusion and flow-based models for image, video, and multimodal generation...Flexible hours
- Member of Technical Staff Physical AI (Robotics / World Models) Palo Alto, CA About Orbifold AI Orbifold AI advances the frontier of physical AI... ...shipping the next generation of world models and embodied agents You love being on the cutting edge of RL, physical AI and...Shift work
- Job Description MosaixSoft, Inc. is recruiting for our Los Altos, CA office: Member of the Technical Staff (job code #37659). Design, architect, and implement software projects by studying and predicting information needs, system flow, resource usage, and the scalability...Work at office
- RadixArk is seeking a Member of Technical Staff — Training to build and scale the systems that train frontier AI models. You will work on large-scale distributed training infrastructure for LLMs and generative models, pushing the limits of scale, efficiency, and reliability...Flexible hours
- ...founding team from Anthropic, Google DeepMind, Meta SuperIntelligence, xAI, Apple and Intel. What You'll Do As a Founding Member of the Technical Staff on the RTL Design team at Architect, you'll own the AI-driven microarchitecture and RTL design of mission-critical SoC...
- RadixArk is seeking a Member of Technical Staff — Inference to push the limits of large-scale AI inference. You will work on the core systems that serve frontier models at scale, optimizing performance, latency, throughput, and cost across thousands of GPUs. This role...WorldwideFlexible hours
$120k - $200k
...building high-performance AI systems. About the Role As a Member of Technical Staff, Platform, you'll build full-stack product features for our... ...features in production is a strong plus. Knowledge of building AI agents into products. Product-minded: you ask 'why should we build...Flexible hours- We are looking for a Member of Technical Staff with strong Python skills and a passion for building scalable platforms for AI and ML workloads. As MTS, you'll influence strategic decisions, partner closely with the founding team, and play a critical role in shaping Activeloop...
- ...founding team from Anthropic, Google DeepMind, Meta SuperIntelligence, xAI, Apple and Intel. What You'll Do As a Founding Member of the Technical Staff on the Design Verification team at Architect, you'll own the verification strategy behind AI-generated designs taping...Night shift
- ...SuperIntelligence, xAI, Apple and Intel. What You'll Do As a Founding Member of the Technical Staff - Formal Methods at Architect Labs, you'll work on the... ...ML research teams: your formal layer is the oracle the agent loop optimizes against, and the boundary between "provable...
- ...SuperIntelligence, xAI, Apple and Intel. What You’ll Do As Member of the Technical Staff - Software at Architect, you’ll build the core platform... ...interfaces for chip engineers to interact with intelligent agents. You’ll shape the developer experience end‑to‑end—from indexing...
- About the Role As a Member of Technical Staff [Platform] at NeoCognition , you’ll design and build the internal systems that power everything we do — from research experiments to product deployments. You’ll create the tooling, infrastructure, and developer experience that...
- RadixArk is hiring a Member of Technical Staff — CI Engineer to own the infrastructure that keeps SGLang moving. Our CI system runs 300+ GPU tests across NVIDIA, AMD, Intel, and Ascend hardware pools, gating every commit to one of the fastest-growing open-source LLM inference...Flexible hoursNight shift
$500 per month
...engaging, more meaningful, and more fun than passive content - and we think everyone should be able to make them. As a Frontend Member of Technical Staff (MTS), you’ll help make that a reality. You’ll own the creation and play experiences that millions of users touch every...Work at officeFlexible hours
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