Jobs in the United States

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Added 14 mins ago
ND
BioProcess Engineer II, Upstream
NantKwest Dba Immuni
Louisville, CO
- $34,986 USD / year
The BioProcess Engineer II, Upstream role is responsible for process development, engineering, and technical support of upstream viral vector manufacturing for the Company's gene therapy…
Added 14 mins ago
ND
BioProcess Engineer II, Downstream
NantKwest Dba Immuni
Louisville, CO
- $34,986 USD / year
The BioProcess Engineer II, Downstream role is responsible for process development, engineering, and technical support of downstream viral vector purification for the Company's gene therapy…
Added 24 mins ago
Software Developer/Engineer
Paragon Cyber Solutions
Colorado Springs, CO
Paragon Cyber Solutions has an immediate opening for those ready for an exciting and dynamic career as a Software Developer/Engineer to join other smart, talented, and dedicated engineers…
Added 1 hour ago
Software Development Engineer, Fees Tech
Amazon
Seattle, WA
…agentic infrastructure beneath them. If you are the kind of engineer who wants to see the direct impact of what you ship, you will see it…
Added 1 hour ago
Software Development Engineer II, Efficiency & Performance, Alloy
Amazon
Seattle, WA
As a Software Development Engineer in Alloy , you will collaborate with service and infrastructure teams across Amazon to identify and eliminate performance bottlenecks in large-scale…
Added 1 hour ago
Network Development Engineer II , ALG Software and Network Integration and Test
Amazon
NORTHRIDGE, CA
We're looking for a Network Development Engineer who can design, build, and operate network infrastructure across data center and engineering environments. You'll own architectures that…
Added 2 hours ago
SA
Engineer II, Software - Ground Control Station - Full Stack - New Grad - 6140
Shield AI
Washington, DC
- $77,200 to $211,200 USD / year
…intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities…
Added 2 hours ago
OS
Lead Software Engineer/Technical Program Manager
Odyssey Systems Cons
Colorado Springs, CO
- $31,533 USD / year
We are seeking a Lead Software Engineer / Technical Program Manager to own both the technical architecture and program execution of the Multimode Threat Engagement Simulation Platform - a…
Added 3 hours ago
Mechanical Product Design Engineer
Eaton Corporation
Orchard Park, NY
Eaton’s IS AER MSD division is currently seeking a Mechanical Product Design Engineer. This role is based in Orchard Park, NY.
Added 3 hours ago
AS
Software Dev Engineer II AMZ9890683
Amazon.com Services LLC
NEW YORK, NY
- $158,100 to $213,800 USD / year
Added 3 hours ago
ES
Product Engineer II - Aviation Airports and Charting
Environmental Systems Research Institute Inc.
Louisville, CO
- $79,664 to $133,120 USD / year
…define customer requirements and build and release high quality…
Added 5 hours ago
Senior Principal, Test Technician
Austin, TX · TX
Set up, configure hardware and software products. Perform specified test cases and clearly document results.
Added 5 hours ago
DR
Cloud Software Engineer II
Development Resource Group, Inc.
Fridley, MN
- $55 to $70 USD / hour
As a Full Stack Cloud Software Engineer II, you will be working with motivated, diverse, and knowledgeable development teams to deliver world-class Medical Device products. You will be…
Added 5 hours ago
C
Technical Systems Engineer II (Full-Time) - United States
Cisco
RTP, NC
- Full-time
As a Technical Systems Engineer, you will maintain the health and performance of our cloud development environments to prevent system downtime. Build automated deployment workflows to…
Added 5 hours ago
W
Software Engineer II | Bentonville, Arkansas
Walmart
BENTONVILLE, AR
- $80,000 to $155,000 USD / year
As a Software Engineer II, you will deliver high-quality software solutions by collaborating with cross-functional teams to design, develop, and maintain scalable applications and services.…
Added 7 hours ago
Networks Systems Engineer III
Auria (Boecore LLC)
Colorado Springs, CO
Auria is looking to hire a Networks Systems Engineer III to support the Command, Control, Battle Management, and Communications(C2BMC) program. This role is onsite in Colorado Springs, CO.…
Added 7 hours ago
G
Lead Water Resources Engineer
GPAC
Lisle, IL
- $90,000 to $120,000 USD / year
Career Blueprint: Lead Water Resources Engineer
Added 7 hours ago
TA
Flight Dynamics Engineer
The Aerospace Corpor
Colorado Springs, CO
- $132,900 to $249,600 USD / year
Project Leader/Senior Project Engineer to join the EOFDD team. The selected candidate will provide expertise for a wide range of customer flight mechanics needs, supporting both analysis…
Added 7 hours ago
TA
2027 Trajectory Optimization Engineer
The Aerospace Corpor
Colorado Springs, CO
- $86,600 to $150,400 USD / year
Create, augment, and leverage flight mechanics centric software capabilities as stand-alone tools and ready-to-integrate submodules
Added 7 hours ago
Manufacturing Engineer 2 - Unmanned Underwater Vehicles (UUV) 31057
HII
Pocasset, MA
…vehicles (UUVs), unmanned surface vehicles (USVs) and autonomy…
Added 9 hours ago
Enterprise Security Systems, Senior Engineer II
Sempra
San Diego, CA
Leads the procurement, installation, and life-cycle maintenance of software for operations.
Added 10 hours ago
Database Engineer (DE)
Avint
Fort Meade, MD
The Database Engineer provides technical expertise in database design, development, implementation, information storage and retrieval, and data flow/analysis. This role develops relational…
Added 10 hours ago
Database Engineer (DE)
Avint
Columbia, MD
The Database Engineer provides technical expertise in database design, development, implementation, information storage and retrieval, and data flow/analysis. This role develops relational…
Added 10 hours ago
Senior Systems Engineer (IT Infrastructure)
Avint
Tysons, VA
Avint is seeking a highly skilled Senior Systems Engineer to support a mission-critical program within the National Capital Region. This role focuses on the design, implementation,…
Added 10 hours ago
VC
ERS-NETA Electrical Testing Technician - SIGN-ON UP TO $10K
Vertiv Corporation
Denver, CO
- $95 USD / hour
Field Engineer - Electrical Testing (NETA Level III/IV)

Amazon

Software Development Engineer, Fees Tech

Seattle, WA, United States

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Job details

Experience: 3+ years of non-internship professional software development experience
Posting language: English
Posted: Oct 8, 2026

Original job description

Description

Are you an SDE II who thrives on end-to-end ownership, gets energized by problems where correctness actually matters, and wants to work on systems that are actively being reimagined and not just maintained? This role might be for you.

On Fee Tech, you will own systems that 2+MM sellers depend on daily to understand, predict, and act on their economics. The work is genuinely end-to-end: you design, build, ship, and operate. Our systems process ~68.5B transactions and used across 23 countries. The engineering model is changing fast: we are rebuilding how fee policy is expressed, deployed, and validated using AI agents, formal verification (SMT), and self-improving RL loops.

You will work alongside senior and principal engineers, product managers, applied scientists, and ML engineers across the full fee lifecycle - from the Fee Calculation Engine through ML-based item classification to seller-facing AI surfaces and the agentic infrastructure beneath them. If you are the kind of engineer who wants to see the direct impact of what you ship, you will see it here.

Key job responsibilities

Design and build distributed systems.
Deliver features end-to-end: own requirements scoping, technical design, implementation, code review, testing, launch, and operational monitoring for your workstreams - from initial design doc through production.
Operate AI-native engineering practices: use AI-assisted coding, multi-agent workflows, and agentic code review tools as your default mode of software delivery.
Build and maintain agentic systems with a focus on correctness, latency, and self-improvement loops.
Drive operational excellence: participate in oncall rotation, resolve incidents, reduce MTTR, contribute to postmortems and preventive action items, and build tooling that reduces KTLO burden for the team.
Collaborate across disciplines: partner with product managers defining seller experience roadmaps, UX designers shaping how sellers interact with fee surfaces, data and applied scientists building ML models for fee classification and seller economics analysis, and business stakeholders across WW Global Selling, FBA, and Finance.
Contribute to technical strategy: write design documents and architecture proposals that are reviewed and challenged by senior engineers; participate actively in architectural discussions around the three-year Agentic Architecture Plan.

Mentor and support peers: review code with a high bar, share feedback constructively, and help junior engineers grow through pairing, design reviews, and documentation.

Basic Qualifications

3+ years of non-internship professional software development experience
1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience
Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field
Experience programming with at least one software programming language

Preferred Qualifications

Master's degree in computer science or equivalent
Experience with Machine Learning and Large Language Model fundamentals, including architecture, training/inference lifecycles, and optimization of model execution, or experience in computer architecture

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 - 143,700.00 - 194,400.00 USD annually

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More about this job

Skills

Software development
ML
Monitor operations in the leather industry
C#
C++
Oracle Java
Perl
Computer science
Machine learning
Recruitment
Mental health

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