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Working at Atlassian

Atlassians can choose where they work – whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity. Interviews and onboarding are conducted virtually, a part of being a distributed-first company.

Be the backbone of Atlassian’s Agentic AI Integration Products : The Agentic AI Integrations team is responsible for the industry-leading Rovo MCP Server, Agent to Agent integrations as well as on the mission to catapult Atlassian value by leveraging cutting-edge AI capabilities like Claude Skills, ChatGPT/Claude Apps etc., essentially we will be working on anything and everything with AI integrations into the Atlassian ecosystem.

Knack to work on bleeding-edge AI technologies: Passionate to explore and learn AI transformative technologies and quickly pivot from prototyping new initiatives to building highly-scalable enterprise-grade AI products that will be used by 1000s of developers and enterprise users.

ML performance, quality, and systems acumen-ship: Experience in tuning MCP or agent-facing servers for latency, reliability, token efficiency, and tool-selection quality; including dynamic tool discovery, context and response optimization, observability, automated evals, and semantic retrieval using embeddings, vector search, hybrid ranking, and reranking.

  • Design, build, and evolve MCP servers, tools, and agent-facing APIs with concise schemas, predictable errors, safe mutations, and clear outcome-oriented contracts.

  • Develop accessible, responsive, and performant React and TypeScript experiences that make agent capabilities, MCP tools, and A2A interactions easy to discover, configure, and use.

  • Build reusable components, design-system patterns, and frontend architecture that support consistent, scalable user experiences across AI-powered products.

  • Integrate GraphQL and REST APIs, SDKs, streaming responses, and real-time data into reliable, user-friendly AI workflows.

  • Optimize token and context efficiency through dynamic tool discovery, lazy loading, bounded responses, pagination, selective field retrieval, caching, and reduced tool-call loops.

  • Improve end-to-end performance and reliability across front-end clients, gateways, MCP servers, search services, and downstream product systems through observability, tracing, SLOs, and production diagnostics.

  • Build semantic retrieval capabilities using embeddings, chunking, vector indexes, hybrid search, metadata and permission filters, ranking, reranking, and freshness strategies.

  • Define and operate AI/ML quality programs with JTBD-based evaluations, benchmark datasets, groundedness and relevance metrics, hallucination and bias detection, safety testing, and human feedback.

  • Integrate automated evaluations into CI/CD and release gates to detect regressions across model, prompt, tool, and retrieval changes.

  • Implement enterprise security and partner cross-functionally to deliver maintainable, well-tested AI integrations, including OAuth 2.1, tenant isolation, audit logging, prompt-injection defenses, and confirmation flows for high-impact actions.

  • 7+ years of software engineering experience building and operating enterprise systems, APIs, or cloud-native products.

  • Strong proficiency in TypeScript/JavaScript and modern front-end development with React; experience building accessible, responsive, and performant web applications.

  • Hands-on experience designing or integrating MCP servers, tools, agent-facing APIs, or related context and agent frameworks.

  • Demonstrated ability to apply distributed-systems principles, including concurrency, connection pooling, caching, retries, timeouts, backpressure, autoscaling, and load shedding.

  • Experience measuring and improving latency, throughput, saturation, error rates, availability, token consumption, and end-to-end task cost.

  • Practical experience with AI/ML evaluation and quality engineering, including benchmark design, groundedness, relevance, safety, hallucination detection, bias analysis, monitoring, and regression prevention.

  • Knowledge of semantic search and retrieval systems, including embeddings, vector databases or indexes, hybrid retrieval, ranking, reranking, and permission-aware filtering.

  • Experience integrating GraphQL, REST, JSON Schema, streaming APIs, SDKs, and event-driven systems into reliable product experiences.

  • Proficiency in at least one additional systems or back-end language such as Python or Go, with strong testing and API design practices.

  • Proven ability to lead cross-functional engineering initiatives, communicate clearly with technical and non-technical partners, and mentor other engineers.

Preferred Skills

  • Familiarity with MCP architecture, A2A specification, and agent collaboration frameworks (e.g., MCP servers, UI clients, and adapters).

  • Experience with observability, vector databases, and secure model-to-model communication.

  • Background in enterprise integration patterns, API governance, or developer experience platforms.

  • Contributions to open-source AI frameworks or standards development initiatives.

Why Join

  • Work at the forefront of AI interoperability and system design.

  • Influence emerging standards that define how agents and models communicate.

    • Collaborate with top engineers and research partners building the next layer of enterprise AI infrastructure.

View all jobs from Atlassian

Senior ML Performance Engineer - Mountain View, CA, USA, San Francisco, CA, USA, Seattle, WA, USA

Mountain View, CA, USA, San Francisco, CA, USA, Seattle, WA, USA
Full time
Posted 2 months ago
Logo of Atlassian
Atlassian
I.T., digital & online media services
5,001-10,000 employees
162 jobs
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