Software Engineer II, Data Infrastructure

Software Engineer II, Data Infrastructure

Core Weave is The Essential Cloud for AI™. Built for pioneers by pioneers, Core Weave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, Core Weave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, Core Weave became a publicly traded company (Nasdaq: CRWV) in March 2025.

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The Applications Engineering team within Core Weave’s Data Infrastructure organization builds AI-powered software that turns Core Weave’s data into decisions and action. The team delivers interactive analytics experiences and first-party applications, embedding intelligent workflows directly into business processes to drive impact at scale.

We’re looking for a strong Software Engineer II to join the Applications Engineering team to build AI-enabled software and self‑service applications that make data easier to discover, query, and analyze. In this role, you will design and build production software that helps remove friction from how teams interact with data, enabling the company to move faster and smarter. You’ll work on AI-powered services such as intelligent query interfaces, scalable data access APIs, and automation that reduces manual effort for both technical and non-technical users.

You’ll collaborate closely with senior engineers, data engineers, and platform teams to deliver reliable, well-tested systems, while growing your skills in distributed computing, cloud-native development, and applied AI. This is a hands‑on role with real ownership, meaningful impact, and strong mentorship in a fast-moving environment.

• 5+ years of professional software engineering experience building and maintaining production systems
• Proficiency in at least one general-purpose programming language such as Python, Type Script, Go, Java, C#, or C++
• Experience designing and building backend services and APIs (e.g., REST, gRPC)
• Experience with modern web frameworks for full-stack development (e.g., FastAPI, Flask, React, Next.js)
• Working knowledge of software engineering fundamentals, including testing, version control, and CI workflows
• Experience using Kubernetes to develop and deploy cloud-native applications
• Experience writing clean, maintainable code and contributing to shared codebases

• Exposure to AI/ML-enabled application development, including LLM-based features, agents, or automation.
• Familiarity with modern AI and agent frameworks such as Lang Chain, Llama Index, or Guidance.
• Experience building RAG-style systems using vector databases such as Chroma or Pinecone.
• Familiarity with tools used in data and streaming systems (e.g., Spark, Kafka, Ray).

• You enjoy building software that helps other teams move faster
• You’re curious about applying AI to real product and infrastructure problems
• You like working on systems that sit at the intersection of data, platforms, and user experience

At Core Weave, we work hard, have fun, and move fast! We’re in an exciting stage of hyper‑growth that you will not want to miss out on. We’re not afraid of a little chaos, and we’re constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values:

• Be Curious at Your Core
• Act Like an Owner
• Empower Employees
• Deliver Best-in-Class Client Experiences
• Achieve More Together

We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and provides the opportunity to develop innovative solutions to complex problems. As we get set for take off, the growth opportunities within the organization are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too.

Come join us!

The base salary range for this role is $99,000 to $145,000. The starting salary will be determined based on…