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Principal Engineer - AI/ML Jobs

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Principal Application Engineer, Marketing Technologies
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Join Atlassian's IT Marketing Technology team as a Principal Application Engineer. You will architect enterprise-level Martech solutions using platforms like Marketo and Salesforce. This role, based in key US tech hubs, requires 12+ years of experience and offers comprehensive benefits including ...
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United States , San Francisco; Mountain View; Austin
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205800.00 - 274400.00 USD / Year
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Atlassian
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Senior Principal Engineer Core Data Platform
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Lead the strategy for our exabyte-scale Core Data Platform as a Senior Principal Engineer. Design highly available, cloud-native storage architectures on AWS and mentor a talented engineering team. This senior role, based in key US tech hubs, combines deep technical leadership with shaping compan...
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United States , Seattle; San Francisco; Mountain View
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198300.00 - 318600.00 USD / Year
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Atlassian
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Principal Machine Learning System Engineer
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Lead the design and deployment of scalable ML systems and infrastructure in Seattle or San Francisco. Translate complex models into production-ready solutions, optimizing performance and reliability. Drive architectural decisions for cloud-based platforms while mentoring teams and promoting MLOps...
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United States , Seattle; San Francisco
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190300.00 - 305600.00 USD / Year
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Atlassian
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Senior Principal Machine Learning Systems Engineer
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Lead the development of foundational AI infrastructure at Atlassian as a Senior Principal ML Engineer. You will design systems, train complex models, and integrate AI capabilities across products. Requires 10+ years of ML experience, expertise in Python/Java, and cloud data platforms. Based in Se...
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United States , Seattle; San Francisco; Austin
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243100.00 - 407200.00 USD / Year
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Atlassian
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Senior Principal Software Engineer
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Lead large-scale, business-critical projects as a Senior Principal Software Engineer in Bengaluru. You will define long-term architecture for ITSM, leveraging 15+ years of cloud-native SaaS expertise. This role requires deep experience with AWS, distributed systems, and aligning technical solutio...
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India , Bengaluru
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Not provided
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Atlassian
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Senior Principal Engineer, Cloud Security
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Join Atlassian's Cloud Security team in Sydney as a Senior Principal Engineer. Design and implement large-scale, secure distributed systems for enterprise cloud readiness. Leverage 10+ years of software experience, including 4+ in architecture, with deep SaaS/PaaS/IaaS and AWS expertise. Enjoy he...
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Australia , Sydney
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Not provided
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Atlassian
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Principal Machine Learning Engineer
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Lead AI innovation as a Principal Machine Learning Engineer at Atlassian's Central AI in Canada. Design and scale cutting-edge ML models and LLM applications using Python/Java, Spark, and AWS. Collaborate cross-functionally to integrate cohesive AI experiences across products, with a focus on pra...
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Canada
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Atlassian
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Principal Full Stack Software Engineer
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Join our team in Gdańsk as a Principal Full Stack Engineer, shaping the Jira Align product used by Fortune 500 companies. Leverage your 10+ years of expertise in .NET/C#, web apps, and REST APIs to solve complex problems and mentor a global team. We value a security-first mindset and experience w...
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Poland , Gdańsk
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324000.00 - 433200.00 PLN / Year
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Atlassian
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Principal Backend Software Engineer
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Lead backend development for Atlassian's JiraAlign in Gdańsk, impacting millions of global enterprise users. Utilize your 10+ years of experience and deep .NET/C# architectural skills to guide projects from design to launch. Enjoy health coverage, paid volunteer days, and a role mentoring junior ...
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Poland , Gdańsk
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324900.00 - 433200.00 PLN / Year
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Atlassian
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Principal Engineer
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Join Atlassian as a Principal Engineer in Sydney, driving frontend applications at scale. Utilize your expertise in React, TypeScript, and modern JavaScript to build high-quality, scalable UI systems. Enjoy a distributed-first culture with flexible work and comprehensive benefits like health cove...
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Australia , Sydney
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Atlassian
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Principal Frontend Software Engineer
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Lead frontend development for Atlassian's core products like Jira and Confluence in Sydney. You will build scalable, high-quality UI systems using modern JavaScript, React, and testing frameworks. This senior role involves mentoring engineers and offers health coverage and wellness benefits.
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Australia , Sydney
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Atlassian
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Principal Software Engineer - Central AI
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Lead the technical vision for AI-driven search and data ecosystems at Atlassian. This senior role requires 12+ years in cloud-native SaaS and AWS, focusing on high-scale, distributed systems. You'll architect core infrastructure, mentor engineers, and shape the future of AI. Based in key US tech ...
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United States , Mountain View; San Francisco; Austin; New York
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170800.00 - 274300.00 USD / Year
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Atlassian
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Senior Principal Machine Learning Engineer - LLM Post-Training and Optimization
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Lead the optimization of Large Language Models (LLMs) at Atlassian in Mountain View. This senior role requires deep expertise in transformer architectures, model fine-tuning, and techniques like quantization and distillation. You will deploy efficient, production-ready models in a collaborative e...
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United States , Mountain View
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243100.00 - 407200.00 USD / Year
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Atlassian
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Principal Software Engineer
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Lead complex architecture and mentor teams as a Principal Software Engineer. Tackle our largest technical challenges and deliver solutions used across products. Enjoy flexible work from Mountain View or San Francisco with health coverage and wellness benefits.
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United States , Mountain View; San Francisco
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170800.00 - 274300.00 USD / Year
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Atlassian
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Principal Software Engineer - Kubernetes Storage
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Lead the development of high-scale Kubernetes storage systems for Atlassian's Managed Search platform in Sydney. You will design, operate, and automate stateful applications on AWS, ensuring reliability and reducing TCO. This role requires deep expertise in Kubernetes, Java/Kotlin, and operationa...
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Australia , Sydney
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Atlassian
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Principal Site Reliability Engineer
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Join our SRE team as a Principal Engineer in San Francisco or Mountain View. You will advocate for reliability, scaling cloud services on AWS/GCP/Azure, and driving complex initiatives. We seek an expert with 8+ years in Java and 5+ in cloud & high-availability systems. Enjoy equity, bonuses, and...
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United States , San Francisco; Mountain View
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170800.00 - 274300.00 USD / Year
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Atlassian
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Senior Principal Software Engineer
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Shape the technical future of Jira as a Senior Principal Software Engineer in Sydney. Drive architectural strategy and operational excellence across a 250+ engineer platform. Leverage 10+ years of experience, including Java proficiency, to solve complex, large-scale challenges. Enjoy health cover...
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Australia , Sydney
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Not provided
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Atlassian
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Principal Software Engineer
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Lead complex architecture and mentor junior engineers as a Principal Software Engineer. This remote role in India requires 10+ years of expertise in Java, C#, or C/C++. Enjoy the flexibility to work from anywhere while tackling the team's most significant technical challenges.
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India , Remote
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Atlassian
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Principal Full Stack Engineer
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Lead the integration of AI into finance systems as a Principal Full Stack Engineer in San Francisco. Architect and develop full-stack solutions using Java, Python, React, and Node.js with Oracle Cloud and AWS/GCP. Mentor junior engineers while building innovative products with health coverage and...
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United States , San Francisco
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Salary
170800.00 - 274300.00 USD / Year
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Atlassian
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Until further notice
Senior Principal Software Engineer
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Lead complex, large-scale technical initiatives as a Senior Principal Software Engineer in San Francisco. This role requires 10+ years of senior engineering experience and 5+ years as a Technical Lead, with expertise in FedRAMP/DoD compliance. You will architect solutions, mentor principals, and ...
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United States , San Francisco
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Salary
198300.00 - 318600.00 USD / Year
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Atlassian
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Until further notice
Embark on a leadership career at the pinnacle of technical innovation by exploring Principal Engineer - AI/ML jobs. A Principal Engineer in Artificial Intelligence and Machine Learning is a strategic visionary and a technical master, responsible for setting the technological direction for an organization's most ambitious AI initiatives. This is not an individual contributor role in the traditional sense; it is a force multiplier, blending deep hands-on expertise with architectural oversight, mentorship, and cross-functional leadership to transform complex business problems into scalable, intelligent solutions powered by AI. Professionals in these senior roles typically bear a comprehensive set of responsibilities. They lead the architectural design and long-term strategy for AI/ML systems, ensuring they are robust, scalable, and aligned with business objectives. A key part of their duties involves conducting research and development to evaluate and integrate state-of-the-art algorithms and models, pushing the boundaries of what is technically possible. They provide technical leadership and mentorship to engineering teams, elevating the entire organization's capabilities through code reviews, best practice dissemination, and setting high standards for quality and innovation. Principal Engineers are also crucial in driving the entire machine learning lifecycle, from data acquisition and pipeline creation to model training, deployment, monitoring, and continuous iteration in production environments. They act as a bridge, communicating complex technical concepts to non-technical stakeholders and collaborating with product managers, data scientists, and business leaders to ensure successful project outcomes. Furthermore, they are often tasked with establishing technical governance, making critical stack and tooling decisions, and identifying and mitigating technical risks. To qualify for Principal Engineer - AI/ML jobs, candidates must possess a formidable combination of education, experience, and skills. Typically, a Master's or Ph.D. in Computer Science, Statistics, or a related field is expected, coupled with 10+ years of progressive software engineering experience, with a significant portion dedicated to AI/ML. A deep, practical understanding of machine learning frameworks like TensorFlow or PyTorch is essential, as is proficiency in programming languages such as Python, Java, or Scala. Expertise in cloud platforms (AWS, GCP, Azure) and MLOps practices for automating the ML lifecycle is a standard requirement. Beyond technical prowess, successful candidates demonstrate exceptional leadership, strategic thinking, and communication skills. They have a proven track record of architecting and delivering complex, large-scale AI systems into production and possess the ability to mentor senior engineers and influence technical strategy across an organization. If you are ready to shape the future of technology and lead from the front, discovering the right Principal Engineer - AI/ML jobs is your next critical step.

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