Jobs in the United States

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Added 1 min ago
Infrastructure Engineer II
Emergent Holdings, Inc.
Corinth, MS
SUMMARY: The Infrastructure Engineer II role is responsible for the operations of secure and highly available computing platforms, servers, and networks. This role is responsible for…
Added 2 mins ago
Senior Software Engineer (Institutional, Financing)
Coinbase
Jackson, MS
As a Senior Software Engineer on the Financing Engineering team within the Institutional group, you'll design, build, and scale the systems that safely manage billions of dollars in loans…
Added 2 mins ago
Infrastructure Engineer I
Emergent Holdings, Inc.
Jackson, MS
Job Description: SUMMARY: The Infrastructure Engineer I role is responsible for the operations of secure and highly available computing platforms, servers, and networks. This role is…
Added 2 mins ago
Director - Customer Response Engineering
Trellix
Jackson, MS
Partner with Technical Support, Customer Success, Product Management, and Engineering so issues reach the right engineer fast and customer feedback reaches the roadmap.
Added 18 mins ago
Mechanical Engineer
Veeco Instruments Inc.
PLAINVIEW, NY
Apply now Mechanical Engineer Location: US - NY - PlainviewRequisition ID: 20262 About VeecoYou probably don't realize it, but what we do at Veeco touches the lives of every person, every…
Added 19 mins ago
Senior Software Engineer (Institutional, Financing)
Coinbase
Albany, NY
As a Senior Software Engineer on the Financing Engineering team within the Institutional group, you'll design, build, and scale the systems that safely manage billions of dollars in loans…
Added 19 mins ago
Tactical Engineer
IBM
Albany, NY
…the world will rely on tomorrow. From advancing AI and hybrid cloud to pioneering practical quantum computing, we anticipate challenges and unlock new opportunities for clients, partners,…
Added 19 mins ago
Director - Customer Response Engineering
Trellix
Albany, NY
Partner with Technical Support, Customer Success, Product Management, and Engineering so issues reach the right engineer fast and customer feedback reaches the roadmap.
Added 20 mins ago
Lead DevOps Engineer
Octus
NEW YORK, NY
Added 20 mins ago
AI Infrastructure Engineer
BlackRock
New York, NY
As an AI-Enabled Infrastructure and Systems Engineer, you will combine deep infrastructure expertise with modern software engineering practices to design, build, and operate the platforms…
Added 20 mins ago
AE
Sr Agentic AI Engineer - Core Platforms
American Express
New York, NY
- $123,000 to $215,250 USD / year
The Inference Engineer is responsible for independently designing, optimizing, and operating scalable production inference services that enable enterprise AI and machine learning solutions.…
Added 20 mins ago
Infrastructure Operations Engineer (IT Infrastructure Engineer 1) - Provisional (Repost)
CUNY
New York, NY
The Infrastructure Operations Engineer is responsible for the engineering, administration, optimization, and operational management of the University's enterprise observability and…
Added 20 mins ago
AE
Senior Data Engineer - Amex Ads, Offers, and Dining Technology
American Express
New York, NY
- $123,000 to $215,250 USD / year
Develop scalable data processing solutions using Python, SQL, and AWS cloud services while ensuring performance, reliability, and maintainability.
Added 20 mins ago
Senior Data Engineer Hybrid
ApTask Global Workforce
NEW YORK, NY
Aptask Global Workforce (AGW) is seeking a Senior Data Engineer for a Hybrid position with a Major Media and Entertainment Company located in New York, NY.As a Senior Data Engineer, you'll…
Added 20 mins ago
Software Engineer, VOD
NBC Universal
New York, NY
The VOD Engineering team is looking for a Software Engineer to join our engineering team responsible for building and supporting business critical video workflows, systems, and…
Added 20 mins ago
Architect Advanced
Mphasis Corporation
NEW YORK, NY
…usable information for business requirements. As a knowledge Engineer, you'll play a crucial role in ensuring data retrieval, reliability, quality, and efficiency within the organization…
Added 21 mins ago
Senior Software Engineer
EPAM Systems
New York, NY
Engineering Excellence: Participate in architecture reviews, code reviews, and platform-wide initiatives while driving reliability, scalability, security, and maintainability across the…
Added 26 mins ago
Senior QA Engineer - Data And AI
Digital Federal Credit Union
Chelmsford, MA
The Senior Quality Engineer - AI & Automation extends traditional quality assurance responsibilities by leading modern quality engineering practices across automated testing, AI-assisted…
Added 47 mins ago
Software Engineer
CoreLogic Solutions, LLC
Dallas, TX
Troubleshoot, debug, and resolve application issues to ensure reliability, performance, and scalability.
Added 50 mins ago
DevOps Engineer
Cascade Dafo Inc
Ferndale, WA
The DevOps Engineer supports a hybrid Linux and cloud environment by designing, implementing, and maintaining the infrastructure, automation, and deployment processes that enable reliable…
Added 1 hour ago
Group Product Manager, Data Center Software and Operations
Google
Sunnyvale, CA
…Operations (DC Ops), Google Compute Engine (GCE), and Site Reliability Engineer (SRE) accelerating dock-to-quota capacity, ensuring machine avaialbility with optimized Mean Time To Repair…
Added 1 hour ago
Staff Software Engineer, Infrastructure
Google
Sunnyvale, CA
In this role, you'll define and drive the technical architecture of Google Cloud's open-source agent platform and developer substrate. As a Staff Software Engineer on our team, you will set…
Added 1 hour ago
Critical Infrastructure Mechanical Engineer, Field Engineering
Amazon Data Services, Inc.
Herndon, VA
…infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that…
Added 1 hour ago
Mechanical Field Engineer, IAD North Field Engineering
Amazon Data Services, Inc.
Herndon, VA
…infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that…
Added 1 hour ago
Critical Infrastructure Senior Mechanical Engineer- Data Center and Rack Testing Facility, Field Engineering
Amazon Data Services, Inc.
Florence, KY
…logistics of rack hardware before deployment to data centers. The engineer will support the facility's cooling infrastructure (not the IT equipment itself), ensuring the physical…

Amazon.com Services LLC

Sr. SDE, AWS Agentic WorkSpaces - Forefront (Agentic Harness)

Seattle, WA, United States

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Job details

Posting language: English
Posted: Sep 14, 2026

Original job description

AWS Applied AI Solutions (AAIS) is building toward a future where every business innovates with Amazon AI teammates. To get there, we build AI solutions that improve human capabilities and transform entire business functions. We create end-to-end products that surprise and delight out-of-the-box, making complex things easy and hard things possible, with no cloud experience required. We start with customers who embrace the future and build bridges to meet the rest where they are. We pursue ambitious opportunities with conviction, and we are looking for builders who share that mindset.

Do you want to build the agentic platform that millions of administrators rely on to run their cloud desktops? The AWS WorkSpaces Forefront team is reinventing how customers discover onboard and manage WorkSpaces by embedding generative AI directly into our consoles and SDK. As a Senior Software Development Engineer you will be a key contributor to our agentic harness - the always-on platform layer that hosts our LLM agents: the agent loop and orchestration routing across a mixture of specialized experts personalization and memory tool/function calling over MCP retrieval and - a major area of focus for this role - the ranking and evaluation systems that decide what each agent surfaces and prove it's getting better over time. This is the shared substrate that powers AI experiences across multiple WorkSpaces products and you'll help shape and scale it alongside a team of strong engineers.

We are a fungible mix of front-end back-end and ML/AI engineers driving higher customer conversion through AI-powered onboarding building a suite of AI capabilities into our consoles - LLM agents personalization recommendations and experimentation - and unifying our platform at the architectural level. The harness is where these come together: a mixture-of-experts agent platform on Amazon Bedrock (AgentCore/Strands) MCP servers that give agents persistent working memory and typed access to backend services a RAG-backed knowledge base for conversational Q&A ranking and relevance layers that order recommendations and retrieved context and offline/online evaluation harnesses that measure agent quality and gate every change.

At Amazon we hire the best minds in technology to innovate and build on behalf of our customers. As a Senior SDE you'll lead the design and delivery of major components of the harness - with a particular emphasis on ranking and evaluation - tackle ambiguous greenfield problems where no playbook exists and raise the engineering bar across the team through design review mentorship and operational excellence. Because the harness is a multi-product platform you'll partner closely with other engineers UX and applied science across products - your work shows up in customer conversion admin productivity and the velocity of every team building on the platform.

Key job responsibilities

Lead the ranking and evaluation systems for the harness - relevance and ranking of recommendations and retrieved context and the offline/online evaluation harnesses (golden datasets LLM-as-judge regression and drift detection human-in-the-loop feedback) that measure agent quality and gate changes before they reach customers. -Design the metrics and experimentation that turn agent quality into decision-grade signal (task completion recommendation acceptance conversion) and close the loop from production feedback back into ranking and model/prompt improvements. -Lead the design and delivery of other major harness components - the agent loop orchestration intent routing session and memory tool/function calling or streaming - and contribute significantly to its multi-quarter technical roadmap. -Help define the platform contracts (MCP tool interfaces identity pass-through agent-to-service seams) that let specialized expert agents and product teams build on the harness safely and independently. -Design and scale parts of a mixture-of-experts agent architecture on Amazon Bedrock (AgentCore/Strands) that is low-cost to train and serve with clear patterns for adding new domains. -Contribute to safety and relevance guardrails and the production quality/safety bar alongside the evaluation systems above. -Build highly scalable low-latency fault-tolerant distributed systems and share in operational excellence for the harness (latency availability cost on-call readiness). -Raise the technical bar across the team: participate in and lead design reviews mentor SDEs and influence direction with UX applied science and partner teams across products.

A day in the life You might spend the morning extending the evaluation harness with new golden cases and a regression gate for the recommendation agent pair with an applied scientist at midday to tune the ranking layer and read out an A/B result and in the afternoon shape the MCP contract for a new expert agent - then write the one-pager that aligns the teams building on it. You'll operate in an agile environment where development cycles are measured in weeks take on the hardest and most ambiguous parts of the platform and be one of the technical leaders the team turns to when the answer isn't obvious. WorkSpaces Forefront owns the admin experience across the WorkSpaces Consoles (Personal Applications) and the WorkSpaces SDK. We're building an agentic control plane for Console and programmatic experiences - an agentic harness (LLM agents routing ranking personalization memory knowledge bases MCP tools and evaluation) plus experimentation and closed-loop learning - while unifying key infrastructure toward a federated console architecture.

About the team

ABOUT AWS:

Diverse Experiences Amazon values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.

Why AWS Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating - that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

Work/Life Balance We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why flexible work hours and arrangements are part of our culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve in the cloud.

Inclusive Team Culture Here at AWS, it’s in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences, including our Conversations on Race and Ethnicity and AmazeCon conferences, inspire us to never stop embracing our uniqueness.

Mentorship and Career Growth We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.

Basic qualifications

5+ years of non-internship professional software development experience
5+ years of programming with at least one software programming language experience
5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
Experience as a mentor, tech lead or leading an engineering team Preferred qualifications
5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Bachelor's degree in computer science or equivalent

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.

USA, WA, Seattle - 168,100.00 - 227,400.00 USD annually

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