Software Development Engineer, Amazon Customer Service

Amazon • Seattle, WA

3d

About The Position

Amazon Customer Service's Shipping and Delivery Support (SDS) provides support
to drivers who deliver packages to customers on behalf of Amazon. We are seeking
a passionate and talented SDE with Machine Learning experience to join our team
in advancing state-of-the-art Generative AI technologies and Large Language
Models (LLMs). In this role, you will take end-to-end ownership of scalable,
resilient, and performant AI systems—from design and development through
deployment and monitoring in production environments. You will build critical ML
infrastructure, drive innovation in Generative AI and NLP, and work closely with
Applied Scientists to scale machine learning models and optimize training
pipelines for Amazon-scale applications.

The ideal candidate has experience deploying ML/LLM models, processing data at
scale, and delivering superior AI products. This role requires exceptional
technical expertise in Computer Science and Machine Learning with excellent
communication skills to interface with technical, science, and business
stakeholders.

Requirements

• 3+ years of non-internship professional software development experience
• 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
• 1+ years of software development engineer or related occupational 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
• 1+ years of Object Oriented Design 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
• Knowledge of Machine Learning and LLM fundamentals, including transformer architecture, training/inference lifecycles, and optimization techniques

Nice To Haves

• 3+ 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

Responsibilities

• Build ML infrastructure: Develop and maintain critical infrastructure for developing, training, evaluating, and deploying LLMs for production applications at Amazon scale. You will build efficient data processing pipelines, develop ML model serving infrastructure for throughput and latency optimization, and implement multimodal solutions.
• Drive innovation: Quickly learn and apply new technologies and algorithms in Generative AI and NLP to build superior models that advance capabilities.
• Scale ML systems: Work closely with Applied Scientists to process massive datasets, scale machine learning models, and optimize training pipelines for model training and inference.
• Lead technical design: Investigate design approaches, prototype new technology, and evaluate technical feasibility of solutions.
• Optimize for production: Develop training algorithms and modeling techniques that push boundaries of model training while ensuring performance, reliability, and cost efficiency.
• E2E ownership: Take full ownership of ML systems from design through deployment and monitoring.
• Data labeling knowledge: Apply knowledge in data annotation strategies, quality control, and labeling workflows to ensure data quality.

Benefits

• 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
• parental leave

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level