As a Senior Backend Engineer inside the Walking Motivations Pillar, you will ship reliable APIs, services and data pipelines end-to-end, power walking experiences, build the event-driven backbone, and design data foundations to understand how people walk.
Locations (4)
Paris, Île-de-France, France
New York, United States
London, England, United Kingdom
Boston, United States
Responsibilities
Ship reliable APIs, services and data pipelines end-to-end
Power walking experiences — step ingestion at scale, real-time gamification loops (challenges, streaks, rewards, progression), habit feedback, social mechanics
Build the event-driven backbone that turns every step into a signal the product can react to instantly
Design the data foundations that let us understand how people walk, not just how much
Develop and operate AI agent orchestration and infrastructure for Amazon Ads, building identity, authorization, and feedback systems to enable intelligent advertising decisions.
Compensation
USA, WA, SEATTLE - 143,700.00 - 194,400.00 USD annually
Responsibilities
Develop orchestration systems that coordinate multiple specialized AI sub-agents to execute complex, multi-step advertising workflows
Build identity, authorization, and permission frameworks that enforce scoped access for diverse caller types
Implement feedback signal pipelines that capture expert judgment and route it into model improvement loops
Partner with Applied Scientists to integrate reinforcement learning from human expert feedback into production agent systems
Design and operate end-to-end evaluation systems that measure recommendation quality, detect regressions, and enforce quality gates
Requirements
Bachelor's degree in computer science or equivalent
Nice to have: full software development life cycle
Research Interns put inquiry and theory into practice, collaborating with researchers to develop AI and systems solutions for coding agents.
Locations (3)
Redmond, Washington, United States
California, United States
New York, United States
Compensation
The base pay range for this internship is USD $6,810 - $13,480 per month. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $8,920 - $14,610 per month.
Responsibilities
Develop AI and/or systems solutions that extend the state of the art in coding agents
Characterize and profile KV cache behavior under real coding workloads
Implement and evaluate prototypes using small-scale testbeds and large-scale production environments
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)
Senior Backend Engineer - Walking Motivations Pillar (FR)NewWeWard · Paris, France+3 more
Software Development Engineer, Agent Platforms & ServicesNewAmazon · Seattle, US