Jason Walker¶

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Amazon.com¶

Developed tools used for compiling and testing embedded software artifacts for satellite and ground-based devices.
Implemented a CI/CD pipeline for over 24 different FPGA boards, leveraging Docker, AWS CodeBuild, and internal build tools.
Introduced a devops culture within 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 Amazon’s fulfillment network.
Pioneered developing 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 Amazon’s damaged and overstock inventory to optimal destinations.
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 a team of approximately 60 SDEs to consistently improve software quality:
- Increased the average test coverage from 10% to above 75% across hundreds of software packages.
- Implemented a continuous deployment process for 100+ interdependent services.
- Reduced high severity tickets from over 400 per 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 mission-critical logistics software.
Led the implementation of a business-to-business communication layer with a third-party logistic vendor, resulting in the establishment of the company’s first international warehouse.
Redesigned and modernized 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 of Seattle, assisting the youth program.
Camping: Before COVID, I was the founder and Scoutmaster of a small scout group in Seattle.
Flying: Kites, planes, and high-altitude balloons; if it flies, I want to fly it.