Rust Jobs

The CNI team builds and operates systems that enable Cloudflare's enterprise customers to connect their networks directly to Cloudflare via private, dedicated interconnects. This product, Cloudflare Network Interconnect (CNI), supports various interconnect types across hundreds of global locations and is foundational to key services like Magic Transit, Cloudflare WAN, Zero Trust, and application security for major clients. As a member of this team, you will develop and enhance the systems responsible for provisioning, monitoring, and orchestrating these private network interconnects at scale. You will collaborate with Product Management, Network Engineering, and Infrastructure teams on significant initiatives to integrate enterprise customers directly into Cloudflare's global network.

€54k - €75k

Perplexity is looking for a Tech Lead Manager (TLM) to lead and grow its Agents engineering team. This team comprises AI/ML, backend, and full-stack engineers focused on building agentic experiences within the Comet ecosystem. The vision is to create AI agents that can fulfill user intentions through open-ended interactions with the world. As the Agents TLM, you will combine AI expertise, product intuition, and engineering management skills to push the boundaries of what AI agents can achieve for millions of users. You will lead, develop, and support a team in tackling significant challenges in AI, such as designing agents for digital navigation, training models for complex decision-making, ensuring excellent user experiences across various platforms, developing secure agentic capabilities, and optimizing agent-environment interactions.

Perplexity is seeking energetic engineers to join our highly driven Agents engineering team. The Agents team collaborates to build harnesses and AI systems powering delightful agentic experiences, including Perplexity Computer, the Comet ecosystem, and our Agent API. Our vision is to empower users with agents that faithfully actualize their intent through open-ended interactions with the world. As an engineer on our Agents team, you will bring AI expertise, sharp product intuition, and a tinkerer's mindset to advance the frontier of what agents can accomplish for our millions of devoted users, working across applied research and engineering to solve open problems in AI.

Replit

Replit is seeking a Staff Software Engineer to join the Product Platform team, specifically focusing on Identity & Authorization. This role is crucial for building and operating the systems that protect critical interactions across Replit's platform, including how people, agents, sandboxes, and services prove their identity and permissions. The work is high-leverage, ensuring that clear, reliable, and easy-to-adopt identity and policy systems enable all other teams to move faster and more securely. The team values curiosity, clear thinking, and collaborative, open work, prioritizing reasoning and building skills.

Perplexity is building the foundations for agentic AI, transforming knowledge into action for millions of users. The Agent Capabilities team is at the forefront of AI research and product innovation, responsible for translating frontier AI breakthroughs into reusable product capabilities. This role offers broad ownership at the intersection of AI research, agent systems, platform engineering, and product innovation, allowing you to evaluate emerging models, identify user value, and build reliable, scalable experiences for users and agents.

Cloudforce One is Cloudflare’s threat operations and research team, focused on identifying and disrupting cyber threats, from criminal activity to nation-state sponsored APTs. The team collaborates with external organizations and internal Cloudflare teams to develop operational tradecraft and expand threat intelligence sources for expedited threat hunting and remediation. Leveraging data from one of the world’s largest global networks, team members analyze unique data points at scale to synthesize actionable threat intelligence and protect customers. As a Software Engineer on this team, you will manage the full software development lifecycle for systems supporting threat disruption and legal response. This involves translating complex legal and security requirements into robust, scalable, and high-performance applications that enhance internet safety and power.

Runpod is seeking a Senior Storage Engineer to join their remote-first Infrastructure team. This role is critical to the AI Developer Cloud, focusing on the design, scaling, and reliability of Runpod's multi-region storage ecosystem, which includes network volumes, local NVMe, and S3-compatible object storage. You will be responsible for implementing and maintaining distributed storage deployments, writing code and automation to manage them, and contributing to strategic decisions about future storage systems. This hands-on position requires a deep understanding of storage internals, performance tuning, and a proactive approach to problem-solving and continuous improvement, directly impacting the performance and reliability of AI workloads for over a million developers.

$180k - $260k

Anthropic

Anthropic is seeking a Performance Engineer for its Inference Engine team. The inference engine is a critical in-house software component that manages the entire token path, from batching requests to coordinating forward passes across accelerator platforms. This role involves building and optimizing this system at scale to enhance throughput, cost-efficiency, reliability, and latency. You will leverage your deep understanding of hardware and bandwidth metrics to model and solve performance bottlenecks. This is a highly technical and impactful position for engineers who thrive on accelerator programming, high-performance host-device coordination, and large-scale distributed systems.

Replit

As a New Grad Software Engineer, you will join a team of exceptional builders working on products that are reshaping how the world creates software. You'll have the opportunity to work on everything from our AI-powered development platform to the distributed systems that enable real-time collaboration for millions of developers. This is a chance to define your career while defining the future of software development. You'll work on problems that matter, with the autonomy to drive solutions and the support to grow into a technical leader.

Nabla is seeking a Full-Stack Engineer to join one of their cross-functional squads, contributing end-to-end to specific product areas. This role involves building and improving product features across web and desktop platforms, contributing to back-end APIs and services, and collaborating closely with Product, ML, and Design teams to bring projects from conception to production. The engineering team is lean, fast-moving, and deeply technical, focused on delivering AI into clinical settings reliably and at scale. Nabla is backed by a $70M Series C funding round and is at the forefront of developing AI assistants for healthcare, aiming to restore the human connection in medicine.

Cloudflare is seeking a Senior Distributed Systems Engineer to join the Cache team. This team builds and operates the high-performance reverse proxy and caching data plane at Cloudflare's edge, built on Pingora, Cloudflare's open-source Rust framework. The role involves working on backend routing, load balancing, cache storage, globally distributed purge, Tiered Cache routing, and production observability. You will design, implement, test, roll out, and operate these systems, ensuring performance, correctness, and resilience across Cloudflare's global network. This position is ideal for individuals who enjoy tackling complex problems related to latency, correctness, and reliability in large-scale distributed systems.

$194k - $266k

This role is designed for new graduates who are eager to work on real-world AI systems in production from day one. As a Member of Technical Staff at Fireworks, you will write and deploy code that operates on one of the world's most active inference platforms, serving hundreds of models to developers and enterprises at a massive scale. You will be matched to a team based on your strengths and interests, with potential work spanning inference and performance, model training and fine-tuning, distributed systems and cloud infrastructure, developer platform and APIs, or product and full-stack application engineering. You will be supported by a senior engineer mentor and a structured ramp-up program, starting with well-scoped problems and progressing to owning features and systems independently. The company emphasizes a fast-paced environment with a high bar and a commitment to employee development.

Fireworks is seeking PhD graduates to join their Systems Infrastructure team. This role is designed for individuals finishing their PhD in Computer Science, Computer Engineering, Electrical Engineering, or a similar field, who are interested in applying their research to large-scale, real-world AI infrastructure. You will be responsible for designing and building the core systems that power Fireworks, including schedulers, storage systems, and networks, to ensure efficient operation of tens of thousands of accelerators and low inference latency. You will tackle complex problems such as optimizing job placement on heterogeneous hardware, high-speed data movement for model weights, and maintaining saturated datacenter networks. You will be paired with a senior engineer mentor and work on impactful projects from day one, with start dates flexible around thesis defense.

Anthropic

Anthropic's Security Governance, Risk, and Compliance (GRC) team is responsible for ensuring the company meets its security and control commitments. This role focuses on the Sarbanes-Oxley (SOX) control environment over the technology stack, crucial for a public company. The position involves defining control requirements and acceptance criteria for IT general controls (ITGCs) in partnership with Internal Audit, and validating that implemented systems meet these requirements. The role also encompasses owning product management for control design methodology and continuous control monitoring, initially for ITGCs and expanding to other security and compliance areas.

SpaceXAI is seeking a Member of Technical Staff to join their multimodal team and advance the understanding and generation of AI across image, video, audio, and text. This role involves working across the full stack, from data curation and pre-training to alignment, infrastructure, and end-to-end product experiences. You will collaborate with various teams to deliver cutting-edge multimodal reasoning, world modeling, tool use, agentic behaviors, and human-AI collaboration capabilities. The goal is to build models that can perceive, reason about, and interact with the world in real-time at an unprecedented level.

$180k - $440k

SpaceXAI is building a high-performance inference platform that serves Grok to millions of users daily with exceptional speed and reliability. As a Member of Technical Staff - Inference, you will be responsible for designing and optimizing large-scale model serving systems from end-to-end. This includes distributed infrastructure components like global KV cache, continuous batching, and load balancing, as well as deep low-level optimizations such as GPU kernels, quantization, and speculative decoding. This is a high-impact role where your contributions will directly influence the speed and reliability of user interactions with Grok at a massive scale.

$180k - $440k

SpaceXAI is building AI systems to understand the universe and aid humanity's pursuit of knowledge. The X Search team is responsible for the core search engine that powers discovery on X, owning the full end-to-end search stack from real-time retrieval and indexing to ranking and the end-user search experience. The goal is to create the most relevant, fast, and intelligent search experience on the internet by combining state-of-the-art information retrieval systems with Grok's reasoning capabilities.

$180k - $440k

As a backend engineer, you will design and build scalable, high-performance systems that power subscriptions infrastructure, new monetized products, user growth, and creator monetization. You will work on mission-critical infrastructure that processes millions of transactions, optimizes user acquisition and retention, and enables creators to earn a living through their content. This is a unique opportunity to make a large-scale revenue impact while creating products that users and businesses love.

$150k - $400k

SpaceXAI is seeking exceptional storage & database engineers to join a new project focused on deeply integrating advanced AI infrastructure into a platform used by millions of users monthly. The team is building a new storage tier to power training, inference, recommendations, and real-time data extraction. This involves developing and operating an exabyte-scale S3-compatible object store, a multi-tenant transactional key/value store serving hundreds of millions of requests per second, a caching tier serving billions of requests per second, a scalable vector database for recommendation systems, and other specialized databases.

$180k - $440k

The Data Platform team builds and operates the infrastructure responsible for all large-scale data transport and processing across the company. We own and manage core systems including Apache Kafka, HDFS, Spark, Flink, and Trino, enabling real-time ML pipelines, feed ranking, experimentation, analytics, and observability at petabyte scale. Our team deals with latency-critical workloads, high-throughput streaming, and distributed compute systems that require fault tolerance, performance, and absolute reliability. As a software engineer on the Data Platform team, you will design, build, and operate the distributed systems powering SpaceXAI's data movement and compute. You will take ownership of infrastructure components that process trillions of events daily, driving the scalability, performance, and reliability of the systems that power product and ML workloads across the company.

$180k - $440k