Sr. Software Development Engineer, Automated Reasoning Group
AWS — The world's largest cloud platform
About the role
We are building new capabilities in the Amazon Web Services (AWS) Automated Reasoning Group, by using Automated Reasoning in new, novel and exciting ways to enhance AWS services. Our team owns Automated Reasoning Checks (ARc), a service that uses mathematical logic to verify the accuracy of Generative AI outputs, tackling hallucinations, one of AI’s most persistent challenges. ARc is at the forefront of Amazon's initiative on combining AI and math to give customers confidence in their Generative AI applications. See for more info: https://www.wsj.com/articles/why-amazon-is-betting-on-automated-reasoning-to-reduce-ais-hallucinations-b838849e We are seeking a talented and passionate Senior Software Development Engineer who wishes to work at the intersection of Automated Reasoning and AWS services. As a Senior Software Engineer on this team, you will design and build new services and capabilities that enable the application of automated reasoning in a variety of use cases, contribute to the evolution of Automated Reasoning Checks, and help make the power of automated reasoning more readily available within AWS and for our customers. Delivering a reliable and high-performance service at AWS scale requires engineers with deep technical expertise and boundless creativity. At Amazon, we also expect engineers like you to interact with internal and external customers, to understand our business goals, and to innovate rapidly, delivering high-quality and ground-breaking functionality. What does it take to thrive as a developer at AWS? You need to be creative, responsible, and curious while working with others to move quickly in turning code into customer solutions. You're excited about rolling up your sleeves, implementing big ideas, and learning from those around you. You want the opportunity to grow your technical and professional skills while helping AWS grow. You relish the opportunity to dig into challenging operational issues and to help customers build the next generation of applications. You're somebody who knows how to be both productive and have fun with others. This role also offers the opportunity to work alongside world-class technical and scientific leaders in the automated reasoning discipline. Key job responsibilities • Collaborate with experienced cross-disciplinary Amazonians to conceive, design, and bring innovative products and services to market. • Design and build innovative technologies in a large distributed computing environment, and help lead fundamental changes in the industry. • Create solutions to run predictions on distributed systems with exposure to innovative technologies at incredible scale and speed. • Build distributed storage, index, and query systems that are scalable, fault-tolerant, low cost, and easy to manage/use. • Ability to design and code the right solutions starting with broadly defined problems. • Work in an agile environment to deliver high-quality software. About the team Our team is dedicated to supporting new members. We have a broad mix of experience levels and tenures, and we’re building an environment that celebrates knowledge-sharing and mentorship. Our senior members enjoy one-on-one mentoring and thorough, but kind, code reviews. We care about your career growth and strive to assign projects that help our team members develop your engineering expertise so you feel empowered to take on more complex tasks in the future.
- 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
What the index says about this role
- First seen by JobLarper — Aug 2, 2026, 6 days ago. Older postings collect hundreds of applicants — a tailored résumé matters more the longer a role has been live.
- No pay range in our index for this listing. Across 1,685 indexed Software Engineer roles in US that do publish one, the middle half sits between $185k and $285k, median $225k — JobLarper's read of the market, not a figure from AWS.
- What Software Engineer roles ask for — across 10,230 indexed openings: REST/APIs (46%), Backend (42%), Cloud (38%), Python (38%), Go (25%). This posting names Backend, Cloud, AI/LLM.
- AWS is hiring actively — 219 open roles indexed.
Derived from the 27,000 roles JobLarper indexes daily from official company boards — not from the job description above.
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