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- ...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
- ...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
$120k - $200k
...high-performance AI systems. About the Role As a Member of Technical Staff, Platform, you'll build full-stack product features Expers... ...production is a strong plus. Knowledge in building AI Agents into productinos Product-minded: you ask "why should...SuggestedFull timeFlexible hoursAbaka AI
Mountain View, CA1 day ago- ...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...SuggestedWork at office
MosaixSoft, Inc.
Los Altos, CA1 day ago $324k - $396k
...About the Role Member of Technical Staff (X.AI LLC; Palo Alto, CA): Introduce innovative techniques and analyses to the AI field to facilitate breakthroughs in quantitative reasoning and language understanding. Stabilize large language model training, pipeline parallelism...Remote workXai
Palo Alto, CA3 days ago- ...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...
Architect Labs
Palo Alto, CA1 day ago - ...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...
$200k - $300k
...drug discovery and biomedical research. We are looking for a Member of Technical Staff to help design, build, and deploy the systems that power... ...work. You will work across the technical stack, including AI agents, scientific data infrastructure, developer tools, and...Work experience placementWork at officeVisa sponsorship- ...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
- ...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 Engineering...
- 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...
$180k
Member Of Technical Staff - Cloud Infrastructure SpaceXAI’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. This organization...Temporary work- 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...
- ...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...
- ...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...
- 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 — Kernel / Compiler / Communication RadixArk is seeking a deeply technical engineer who pushes the limits of performance for frontier AI systems. You will work at the lowest layers of the stack—kernels, runtimes, compilers, and communication libraries...Flexible hours
- ...work. If your application passes this stage, you will be invited to a 15-30 minutes phone interview, during which a member of our team will ask technical questions. If you clear the phone interview, you will proceed to next steps: Meet and greet with the wider team Our...Temporary workH1bRelocationWork visa
- About The Role 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...Flexible hours
$180k
Member of Technical Staff - Pre-Training About 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, highly motivated, and focused on engineering excellence. This organization...Temporary work- Member Of Technical Staff - Extreme-Scale Sparse Linear Algebra, Domain Decomposition & GPU Solver Architecture Vinci | Full-Time | Remote / Hybrid The Mission At Vinci, we are building the AI-enabled infrastructure that modern hardware programs use to converge on physics...Full timeRemote work
$180k
Member of Technical Staff - Data Platform SpaceXAI’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. This organization is...Temporary work$180k - $250k
Member of Technical Staff -- TPU Systems (JAX / XLA / PALLAS) About the Role RadixArk is looking for a TPU Systems Engineer to build high-performance inference and training systems using JAX, XLA, and Pallas. You'll push large-model workloads to their limits on TPU hardware...Full timeFlexible hours$324k - $396k
...have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. Member of Technical Staff (X.AI LLC; Palo Alto, CA): Introduce innovative techniques and analyses to theAI field to facilitate breakthroughs in quantitative...Remote 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 Design Verification team at Architect, you'll own the verification strategy behind AI-generated designs taping...Night shift
$180k
Member of Technical Staff - Multimodal Understanding About 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, highly motivated, and focused on engineering excellence. This...Temporary work$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- Member of Technical Staff — Supercomputing About the Role RadixArk is hiring a Member of Technical Staff — Supercomputing to help build, deploy, and operate production‑grade AI infrastructure for frontier‑scale inference and training workloads. This role sits at the intersection...Flexible hours
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