Reasoning jobs in bellevue, wa

.NET Developer With Facets and Healthcare Experience

Remote or Mountlake Terrace, Washington

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6d ago

.NET Developer with advanced proficiency in SQL and proven expertise in healthcare applications. Hands-on experience in Facets - Member, Claims, Providers, Accum and open access services (web / REST services APIs). Preferability to have experience to design, build, and deploy intelligent systems powered by Generative AI and Agentic AI frameworks. The successful candidate will be responsible for designing, developing, and supporting .NET-based solutions that facilitate healthcare workflows and co

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Depends on Experience

Principal Machine Learning System Engineer

Remote or Seattle, Washington

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Today

Overview 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. Responsibilities As a Principal Machine Learning Systems Engineer on the Search Platform team, you set the technical direction for search infrastructure that powers Rovo, Jira, Confluence, and

Full-time

USD 209,700.00 - 273,775.00 per year

Software Development Engineer, Amazon Private Brands

Seattle, Washington

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16d ago

Are you a Sr. Software Development Engineer (SDE ) looking for a change? We are looking for a creative and innovative engineer for APB's Product Lifecycle Management (PLM) tool Private Brands Central (PBC) to build internal and external facing customer experiences as well as Gen AI solutions to drive efficiency on new product development workflows. Key job responsibilities - Design and build autonomous agent systems that decompose complex, multi-step problems into executable plans, integrating t

Full-time

USD 168,100.00 - 227,400.00 per year

Research Engineer Graduate (Agentic Arch) - 2027 Start (PhD)

Seattle, Washington

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Today

Responsibilities The TikTok Agentic Arch team is building AI-native engineering infrastructure that transforms how software is designed, built, and operated at TikTok scale. We research and deploy reliable long-horizon agents that can reason over large codebases, interact with complex tools and environments, and complete consequential engineering work across distributed production systems. Our environment provides a unique opportunity to advance agent research through real-world execution feedb

Full-time

USD 153,900.00 - 300,960.00 per year

Principal Agentic AI Engineer

Seattle, Washington

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Today

What you can expect ZoomMate ( seeks a Principal AI Agent Engineer, Research Engineer, or Applied Scientist to develop its AI Agent System framework and infrastructure. This position focuses on creating the agent harness, including runtime, orchestration, tool integration, memory, and evaluation layers. These components enable downstream ZoomMate Agent products. The role involves collaborating directly with product teams to implement the framework into practical applications. The successful can

Full-time

USD 206,600.00 - 451,800.00 per year

Machine learning Engineer - Agentic Retrieval

Seattle, Washington

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Today

What you can expect Zoom is looking for a Machine Learning Engineer to join our Agentic Retrieval team. You will design and build the core retrieval and reasoning systems that power Zoom's AI Companion - enabling AI agents to search, reason over, and act on enterprise knowledge to deliver high- quality, trustworthy, and actionable answers at scale. About the Team The Agentic Retrieval team sits within Zoom's GenAI Engineering organization and is responsible for building a multi-tenant, permis

Full-time

USD 151,800.00 - 332,200.00 per year

Staff Security Engineer, Detection & Response

Bellevue, Washington

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7d ago

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you're ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team + role We are building an elite team, applying frontier technologies to the world's biggest financial problems. We're looking for bold thinker

Full-time

USD 217,000.00 - 255,000.00 per year

Research Engineer Intern, Agentic Systems & AI Infrastructure (TikTok-Generalized Arch) - 2027 Summer

Seattle, Washington

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Today

Responsibilities TikTok is an international short video platform available in over 150 countries and regions, where we aim to inspire creativity and bring joy by helping people discover authentic and interesting moments. TikTok has offices around the world, with global headquarters in Los Angeles and Singapore, and additional offices in New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo, among others. The TikTok Agentic Arch team is building AI-native engineering infrastr

Full-time

USD 42.75 - 42.75 per hour

Test Engineer 2

Everett, Washington

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Today

Exempt- Summary This position coordinates all aspects of testing from test design to test implementation and reporting with engineering and operations. Test programs typically involve full scale fatigue and static evaluations of aircraft interior components and assemblies. Essential Duties and Responsibilities include the following with other duties as assigned: Provide test fixture and tooling concepts to designers for detailed design, provide direction to test technicians for test set-ups,

Full-time

USD 82,500.00 - 118,000.00 per year

Machine Learning Engineer Graduate (E-Commerce Recommendation Mall) - 2027 Start (PhD)

Seattle, Washington

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Today

Responsibilities Our E-commerce Recommendation Team is responsible for building up and scaling our recommendation system to provide the best shopping experience for our TikTok users. We are looking for talented individuals to join our team. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth. Successful candidates must be able to commit to an onboarding date by the end of the year. Please state your availability and graduation d

Full-time

USD 153,900.00 - 300,960.00 per year

Mechanical Engineer - Federal

Seattle, Washington

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Today

Stantec's Buildings team is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists, and technologists are passionate about the power of design. Our collaborative culture and our innovative, sustainable approach to projects help us create buildings that matter to our world. Together, we are enhancing the quality of life globally through design. Join us and design your place with Stantec. Stantec

Full-time

USD 91,200.00 - 132,300.00 per year

Applied AI Engineer, Inference

Bellevue, Washington

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11d ago

CoreWeave is The Essential Cloud for AI . Built for pioneers by pioneers, CoreWeave 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, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Le

Full-time

USD 188,000.00 - 275,000.00 per year

Principal Research Engineer

Redmond, Washington

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Today

Overview Microsoft Research Americas is seeking a Principal Research Engineer to help advance how foundation models are trained, adapted, evaluated, and improved. You will work with researchers and engineers to turn promising model ideas into reproducible experiments and measurable improvements that can support multiple research initiatives. In this role, you will lead hands-on work across model pretraining, continued pretraining, fine-tuning, and post-training. You will deepen your experience

Full-time

USD 142,800.00 - 274,800.00 per year

Software Engineer, Superhuman Database Infrastructure

Seattle, Washington

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Today

Superhuman offers a dynamic hybrid working model for this role. This flexible approach gives team members the best of both worlds: plenty of focus time along with in-person collaboration that helps foster trust, innovation, and a strong team culture. About Superhuman Grammarly is now part of Superhuman, the AI productivity platform on a mission to unlock the superhuman potential in everyone. The Superhuman suite of apps and agents brings AI wherever people work, integrating with over 1 million

Full-time

USD 163,500.00 - 284,000.00 per year

Machine Learning Engineer Graduate (E-Commerce Recommendation Mall) - 2027 Start

Seattle, Washington

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Today

Full-time

USD 121,600.00 - 243,200.00 per year

Senior Mechanical Engineer - Federal

Seattle, Washington

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Today

Job Description Stantec's Buildings practice keeps people at its heart, recognizing that our shared journey forward is shaped by the meaningful and responsive places we design. Our Federal Buildings sector group is seeking qualified candidates to support our growing practice. Every day we apply our expertise, creativity, and passion to propel communities into the future. Join us to bring transformational building solutions to life. Come join Stantec, a Top 10 global design firm in our Federal B

Full-time

USD 151,700.00 - 227,600.00 per year

Staff Software Engineer, AI/ML

Seattle, Washington

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Today

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. Building A

Full-time

USD 271,000.00 per year

Mechanical Engineer - Federal

Seattle, Washington

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Today

Full-time

USD 91,200.00 - 132,300.00 per year

Machine Learning Engineer Intern (E-Commerce Recommendation Mall) - 2027 Start (PhD)

Seattle, Washington

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Today

Responsibilities Our E-commerce Recommendation Team is responsible for building up and scaling our recommendation system to provide the best shopping experience for our TikTok users. We are looking for talented individuals to join us for an internship. PhD internships at Our Company provide students with the opportunity to actively contribute to our products and research, as well as to the organization's future plans and emerging technologies. Our dynamic internship experience blends hands-on l

Full-time

USD 57.00 - 57.00 per hour

Mechanical Engineer - Federal

Lynnwood, Washington

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Today

Full-time

USD 91,200.00 - 132,300.00 per year

Reasoning jobs in Bellevue, WA, USA