Jason Walker¶

Contact

Amazon.com¶

Built tools which are used to compile and test embedded software artifacts for satellite and ground-based devices.
Delivered a CI/CD pipeline for more than 24 different FPGA boards, using Docker, AWS CodeBuild, and internal build tools.
Introduced a devops culture to multiple FPGA teams, including code review and on-call processes.

2018 - 2021:: Principal Software Engineer - Robotics Advanced Technology

Integrated material handling equipment to automate logistic processes across all of Amazon’s fulfillment network.
Deployed one of the first automated workcells built on AWS serverless technologies, including Lambda, IoT, QLDB, and GraphQL.
Designed and developed a work orchestration platform responsible for load-balancing order fulfillment processes across automated and manual workcells.
Partnered with our Controls Engineers to introduce devops processes and tools for PLCs and embedded systems.
Mentored engineers and actively participated in hiring and promotion processes.

Developed the back-end services and logistics tools for routing all of Amazon’s damaged and overstock inventory to the most optimal destination.
Designed, developed, tested, and supported software used by thousands of employees in 11+ countries, and selling to millions of customers world-wide.
Designed and built the infrastructure components that run the majority of the team’s software, including:
- A document database built on DynamoDB, S3, and Kinesis.
- A business rules engine that processes thousands of requests per second.
Led my team of ~60 SDEs to constantly improve our software’s quality:
- Raised the average test coverage from 10% to above 75% across hundreds of software packages.
- Adopted a continuous deployment process for the majority of 100+ interdependent services.
- Reduced high severity tickets from over 400/year to under 100.

Technologies Used: Java, Kotlin, Python, TypeScript, Oracle, AWS

Developed and maintained the in-house order management system, warehouse management system, internal web apps, and other logistics software.
Implemented a business-to-business communication layer with a third-party logistic vendor to open the company’s first international warehouse.
Redesigned and upgraded the team’s data layer, resulting in faster and more testable code.
Organized the team’s professional development efforts, including a weekly developer training lunch.

Technologies Used: C#, ASP.NET MVC, SQL Server, Microsoft BizTalk, AS2, EDI

Responsible for developing web applications on ASP.NET, ASP.NET MVC, and PHP frameworks.
Worked with designers to create usable, standards-compliant web designs in HTML and CSS.
Developed rich client-side interfaces using JavaScript with jQuery and Prototype.
Implemented data access layers using a variety of Object-Relational Mapping tools for .NET including nHibernate and LINQ to SQL.
Created components that were reused on a variety of projects including an automatic bug reporting component, an HTML to PDF/PowerPoint converter, a RETS client, and a library of commonly used C# and JavaScript code.
Helped lead Blackfin’s continuing education program, including giving several presentations on new technologies and design practices – both internally and at Boise’s Code Camp.

Technologies Used: C#, ASP.NET MVC, HTML, CSS, JavaScript, WPF, XML/XSLT, SQL Server, RavenDB

Sailing: I volunteer as a Director of the Corinthian Yacht Club, helping to teach kids to sail.
Camping: Before COVID, I was the founder and Scoutmaster of a small scout group for 6-11 year olds.
Flying: Kites, planes, and high-altitude balloons; if it flies, I want to fly it.