Objective-C Developer - Full-time Remote Opportunity

Join CoreWeave as a Senior Software Engineer on our Developer Experience - Delivery Team, where you'll be instrumental in ensuring the reliability, scalability, and usability of our core application management platform. This role involves leveraging modern Kubernetes practices to develop and enhance internal services, allowing our teams to efficiently manage application lifecycles within our cutting-edge cloud infrastructure. Collaborate with a talented group of engineers to tackle diverse challenges in a supportive and high-performing environment.

About CoreWeave:CoreWeave is recognized as The Essential Cloud for AI™, specifically designed by pioneers for pioneers. Our platform empowers innovators to confidently build and scale AI, backed by leading AI labs, startups, and global enterprises. Our infrastructure is built for superior performance, combined with deep technical expertise, allowing us to accelerate breakthroughs and transform compute into capability. Founded in 2017, we proudly became a publicly traded entity (Nasdaq: CRWV) in March 2025. Discover more at www.coreweave.com.What You’ll Do:About the Team:Our team is dedicated to constructing and managing secure, high-performance runtime environments that facilitate multi-tenant Kubernetes platforms at scale. Positioned at the crossroads of container runtimes, lightweight virtualization, GPU infrastructure, and Linux systems engineering, our mission revolves around providing robust, isolated, and efficient execution environments for GPU-accelerated and AI-driven workloads. We collaborate closely with security, platform, and GPU infrastructure teams to establish and execute best-in-class standards for isolation and performance.About the Role:In this position, you will design, build, and enhance secure sandboxed runtime environments for workloads operating on Kubernetes, with a significant focus on runtime isolation, performance, and security. You will develop platforms that integrate container runtimes, lightweight virtual machines, and virtualization technologies, engineering support for GPU-accelerated workloads in multi-tenant settings. Your daily responsibilities will include designing GPU-aware sandboxing and scheduling strategies, optimizing containerization and I/O performance for latency-sensitive workloads, and constructing systems capable of safely executing untrusted or shared GPU workloads. Additionally, you will contribute to architectural decisions surrounding Linux internals, container runtimes, virtualization layers, and GPU drivers to ensure enduring scalability and operational excellence.Who You Are:3+ years of experience in systems, platform, infrastructure, or production engineering roles, with a proven track record of building and operating software at scale.

Join CoreWeave, the leading cloud provider for AI, as a Senior Software Engineer focusing on our innovative Server Fleet Infrastructure. In this role, you will design and develop software solutions that manage complex infrastructures across globally distributed data centers, utilizing technologies such as Go, Python, Ansible, and Kubernetes. You will be instrumental in automating bare metal systems and enhancing fleet lifecycle management, ensuring efficient and reliable infrastructure that supports the largest AI workloads globally. Collaborate with a talented team in a dynamic environment where your insights and expertise will shape the future of cloud computing.

Join CoreWeave's Artifact Management team and become a key player in building and operating a large-scale distributed system designed to store, serve, and update artifacts at unprecedented levels. We are searching for engineers who are passionate about crafting high-performance, storage-efficient systems that empower critical development workflows. In this role, you will develop a robust platform that allows developers to securely and seamlessly publish their artifacts, enhancing their productivity and innovation.

CoreWeave stands at the forefront of AI cloud infrastructure. Our platform is crafted for innovators, by innovators, delivering the technology, tools, and teams necessary for confident AI development and scaling. Trusted by leading AI labs, startups, and global enterprises, we combine unparalleled infrastructure performance with deep technical expertise to foster significant breakthroughs and transform compute capabilities. Established in 2017, CoreWeave went public on Nasdaq (CRWV) in March 2025. Discover more at www.coreweave.com.About This RoleCoreWeave is rapidly expanding its AI-focused cloud infrastructure, establishing new data centers at an unprecedented rate. The complexity inherent in planning, tracking, and orchestrating each build necessitates specialized tooling that is currently unavailable.We are assembling a dedicated team to develop this tooling in-house. The aim is to create a high-performance internal platform that empowers network engineers, fleet engineers, operations, and other infrastructure teams to plan, visualize, and manage extensive infrastructure across numerous locations.As a Senior Backend Engineer on this team, you will play a pivotal role in designing, building, and maintaining the data layer, APIs, and services that drive these essential tools. Your mission will be to develop customized software that accurately models our infrastructure at both physical and logical levels, facilitating planning, coordination, and automation within some of the most advanced AI data centers.You will collaborate closely with frontend engineers to deliver rich user experiences built on your backend solutions. Additionally, you will oversee the deployment and operational management of these services, ensuring scalability, redundancy, and effective monitoring.

CoreWeave is the definitive cloud platform for AI™, designed to empower innovators by providing cutting-edge technology, tools, and a dedicated team. Our infrastructure is trusted by top AI labs, startups, and major enterprises, enabling them to build and scale AI solutions with unparalleled confidence. Founded in 2017 and public as of March 2025 (Nasdaq: CRWV), CoreWeave has been recognized as one of the TIME100 most influential companies of 2024, serving a vital role in the evolution of AI technology.At CoreWeave, we thrive in a fast-paced environment where adaptability is essential. Our culture promotes career-defining opportunities for those who excel in dynamic situations. If you are a problem solver with a passion for making a substantial impact, we invite you to join our team and tackle some of the most exhilarating challenges in the technology landscape.Join CoreWeave and contribute to advancing the intelligence that drives innovation.

CoreWeave is hiring a Senior Software Engineer focused on Source Control and Governance. This position is based in Livingston, NJ, New York, NY, Sunnyvale, CA, or Bellevue, WA. Role overview This role centers on leading improvements in software development processes, with a strong emphasis on source control and governance. The Senior Software Engineer will work closely with teams across the company to strengthen codebase integrity and security. What you will do Lead initiatives to integrate advanced source control systems and governance frameworks. Collaborate with engineers and other departments to implement effective version control practices. Promote best practices that support secure and reliable code management. Impact Your work will help streamline development workflows and support innovation within CoreWeave's engineering teams.

CoreWeave is searching for a dynamic and innovative Senior Software Engineer specializing in Network Services to spearhead the architecture, scaling, and operational excellence of our advanced network services. In this role, you will address the intricate challenges of designing and managing world-class network services tailored for the most demanding AI workloads globally. Your focus will be on achieving unparalleled service quality, scalability, and performance, while developing comprehensive monitoring and alerting systems for our network services. Collaborating closely with your team, you will execute our network service roadmap, drive innovation, and uphold the reliability, security, and scalability of the CoreWeave Cloud Platform.

Join our innovative startup, fabergent, where we are pioneering software solutions for IoT devices as well as developing web and mobile applications. We are seeking a skilled Java Full Stack Developer who will be an integral part of our core engineering team, tackling complex engineering challenges and contributing to the evolution of our technology stack.As a core team member, you will gain a comprehensive understanding of both client-side and server-side technologies, making impactful design decisions. Our environment encourages learning and growth, so if you encounter unfamiliar technologies, you will have the chance to quickly get up to speed.Key Technologies:JavaJavaScriptHTMLCSSAngularJSLinux / UbuntuGit / GitHubAdditional Technologies (Bonus Points):RubyObjective-CCRuby on RailsiOS SDKAndroid SDKCordovaGruntJS / GulpJsGradleOur application architecture includes both web views and native Android UI functionalities. Your primary focus will be on programming in Java and JavaScript, with opportunities to contribute to REST APIs and iOS applications.We value quality over quantity in coding and expect team members to manage their time effectively. Familiarity with programming design principles and testing methodologies such as unit, integration, and GUI testing is essential.Our team embraces Agile practices, utilizing Scrum methodologies and project management tools like Jira for pull requests and task tracking.Our office, located in Livingston, NJ, fosters a collaborative and creative environment with daily cooked lunches, whiteboard walls for brainstorming, a cozy couch, and even a jam section for music enthusiasts!Salary: Depends on Experience (DOE)

Join CoreWeave as a Software Engineer II on our Artifact Management team, where you will play a pivotal role in designing and operating a high-performance distributed system that handles artifact storage, serving, and updates at a massive scale. Your expertise will empower developers to securely and seamlessly publish their artifacts, driving innovation and efficiency in AI development workflows.

CoreWeave is The Essential Cloud for AI™. Designed for innovators by innovators, we provide a robust platform filled with advanced technology, tools, and expert teams that empower visionaries to confidently build and scale AI solutions. Renowned by top AI laboratories, startups, and global enterprises, CoreWeave merges outstanding infrastructure performance with extensive technical expertise to foster groundbreaking advancements and transform computational power into tangible capabilities. Established in 2017, CoreWeave went public on Nasdaq (CRWV) in March 2025. Discover more at www.coreweave.com.We are seeking a highly skilled Senior Network Engineer to enhance our dynamic Data Center Network Engineering Team. In this pivotal role, you will be instrumental in designing, deploying, and overseeing the data center network that supports CoreWeave's AI and Hyperscale GPU cloud infrastructure.

About CoreWeave CoreWeave is The Essential Cloud for AI™. The company provides a platform of technology, tools, and teams that support innovators building and scaling AI solutions. CoreWeave's infrastructure is trusted by leading AI labs, startups, and enterprises for its performance and reliability. CoreWeave is publicly traded on Nasdaq (CRWV) as of March 2025. Learn more at www.coreweave.com. Role Overview: Senior Storage Engineer As part of the Storage Engine Team, the Senior Storage Engineer designs and develops managed storage products that meet the needs of demanding AI workloads. This role involves close collaboration with engineering teams across infrastructure, compute, and platform to ensure storage services are reliable, scalable, and high-performing. What You Will Do Design and build distributed storage solutions that support scaling for data-intensive AI workloads. Develop exabyte-scale, S3-compatible object storage and integrate dedicated storage clusters for a variety of customer environments. Apply technologies such as RDMA, GPU Direct Storage, and distributed filesystem protocols (NFS, FUSE) to improve storage performance and efficiency. Lead projects to strengthen the reliability, durability, security, and observability of the storage stack. Work with operations teams to monitor, troubleshoot, and refine storage systems in production settings. Create metrics and dashboards that track storage performance and health. Analyze telemetry and system data to identify ways to improve throughput, latency, and resilience. Collaborate with platform, product, and infrastructure teams to deliver seamless storage capabilities across the stack. Mentor other engineers and share knowledge on building distributed, high-performance storage systems. Locations Livingston, NJ / New York, NY / Sunnyvale, CA / Bellevue, WA

Join CoreWeave as a Production Engineer in our dynamic Tooling and Frameworks team. You will be instrumental in enhancing our reliability initiatives by collaborating closely with Support and Customer Experience teams. Your primary responsibility will be to design, build, and enhance internal tools that foster a Direct-to-Expert support model. You'll leverage AI to streamline workflows, enabling quick diagnostics and seamless platform integrations that elevate customer experiences and reduce time-to-resolution across our cloud services.

CoreWeave, the Essential Cloud for AI™, is designed for innovators by innovators. Our platform offers a cutting-edge suite of technology, tools, and expert teams that empower creators to confidently build and scale AI solutions. By leveraging superior infrastructure performance and deep technical expertise, we help accelerate breakthroughs in AI for leading labs, startups, and global enterprises. Established in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Discover more at www.coreweave.com.About the RoleJoin our Production Engineering team to ensure that CoreWeave’s cloud infrastructure delivers unparalleled reliability, performance, and operational excellence. We are seeking a Senior Production Engineer to take hands-on ownership of critical tools that drive reliability and ensure successful delivery.As a Senior Production Engineer, you will engage deeply across the cloud stack, focusing on designing, implementing, deploying, and operating systems that enhance delivery velocity, service availability, and operational safety. You will lead end-to-end technical projects, maintain long-term systems, and bolster our operational foundations through robust engineering investments.This position is ideal for someone passionate about building, debugging, and operating production systems. Collaboration with service owners is key, but your primary impact will stem from the reliability, quality, and maturity of the systems you deliver and maintain over time.What You’ll DoAssume hands-on ownership of vital systems and frameworks, guiding their architecture, implementation, and continued evolution.Lead the complete delivery of engineering projects aimed at enhancing availability, scalability, operational automation, and failure recovery.Develop and sustain observability, alerting, automated remediation, and resilience testing for the systems you support.Contribute to incident response as a subject matter expert; facilitate thorough root-cause investigations.

About the Role Domino's Pizza in Livingston is hiring Delivery Drivers. This position focuses on bringing orders to customers quickly and safely while representing the Domino's brand with a friendly attitude. What You Will Do Deliver pizzas and other menu items to homes and businesses Ensure each order reaches the customer promptly and in great condition Provide helpful, courteous service during every delivery What We Look For Motivation to work independently and as part of a team Comfort working on the road and interacting with customers Commitment to reliable, on-time deliveries

Join CoreWeave as a Senior Production Engineer and take ownership of essential tooling that drives reliability and operational excellence in our cloud infrastructure. In this pivotal role, you will design, implement, deploy, and enhance systems that ensure top-tier delivery velocity, service availability, and operational safety. Your expertise will lead end-to-end technical projects while maintaining and improving long-lived systems that the team oversees. If you have a passion for building, debugging, and operating production systems, this is the opportunity for you. Collaborate closely with service owners to make a significant impact on our reliability and performance.

Join CoreWeave as a Senior Security Engineer specializing in Security Orchestration, Automation, and Response (SOAR). In this pivotal role, you will collaborate with our Detection and Response team to empower swift actions against security threats across our enterprise. Your expertise will help design, deploy, and maintain SOAR capabilities for our multi-billion dollar platform-as-a-service, ensuring our security infrastructure remains robust and efficient. You will develop automations that interact with various internal and external products, enhance decision-making processes, and leverage AI tools to provide security personnel with critical context for incidents. This position demands writing production-quality code with thorough testing to support a mature internal service offering within our security organization.

CoreWeave is The Essential Cloud for AI™. Designed by innovators for innovators, CoreWeave provides a robust platform of advanced technology and exceptional teams, empowering organizations to confidently build and scale AI solutions. As a trusted partner for leading AI labs, startups, and global enterprises, CoreWeave integrates unmatched infrastructure performance with extensive technical expertise, driving innovation and transforming compute capabilities into actionable results. Since its inception in 2017, CoreWeave has rapidly advanced, becoming a publicly traded company (Nasdaq: CRWV) in March 2025. Explore more at www.coreweave.com.What You’ll Do:Description of the TeamThe IT Business Systems (GTM) team at CoreWeave is responsible for the application stack that facilitates the entire customer journey—from lead generation to quoting and cash collection. This team designs and manages systems that underpin a rapidly growing AI cloud business, collaborating closely with Revenue Operations, Marketing Operations, Finance, Billing, and Customer Experience to deliver scalable, compliant, and automated workflows.About the role:As a Senior Salesforce Engineer, you will take on a pivotal role as a hands-on technical leader, tasked with designing, building, and operating Salesforce solutions across Sales Cloud, Revenue Cloud/CPQ, and GTM integrations. You will tackle high-impact projects including post-acquisition system integrations, the implementation of a new usage-based billing platform, and enhancements within quoting, forecasting, and revenue operations. This role demands deep expertise in CPQ workflows while also overseeing broader platform architecture and integrations with finance and GTM systems. You will work cross-functionally with GTM, Finance, and IT leadership to create scalable, dependable solutions that position CoreWeave for continued success.

The Senior Security Engineer - PKI & Secrets role at CoreWeave sits within the Security Foundations team. This team is responsible for protecting the CoreWeave Cloud, covering everything from data centers and GPU fleets to the platform layers that support customer AI workloads. The PKI & Secrets group manages the cryptographic infrastructure that ensures CoreWeave’s data and systems remain confidential, authentic, and tamper-resistant. Areas of focus include public key infrastructure (PKI), secrets management, hardware security modules (HSMs), key management, and code signing. This position involves close collaboration with teams across the company to deliver cryptographic services that meet high standards for security, reliability, and scalability. What you will do Design, implement, and maintain PKI infrastructure, including certificate authority (CA) hierarchies, issuance policies, certificate lifecycle management, and trust distribution for both Kubernetes clusters and bare-metal hosts. Manage and improve secrets management platforms, focusing on access policies, secret lifecycle governance, and integration using tools such as External Secrets Operator and cert-manager. Operate and scale HSM infrastructure, handling PKCS#11 integration, key ceremony procedures, and high-availability designs to support certificate authorities and signing services. Contribute to the development of key management systems and related security protocols. Locations This position is available in Livingston, NJ; New York, NY; Sunnyvale, CA; Bellevue, WA; and San Francisco, CA.