SDE II, ECS Developer Platforms — API & IaC

Amazon Web Services (AWS); Jersey City (NJ); On-site; USD 158,000 - 214,000; Full time

Job summary

Amazon.com Services LLC in Jersey City, NJ seeks a Software Development Engineer II to design, build, and operate APIs and IaC surfaces used by hundreds of thousands of AWS customers. You will work in Java, TypeScript, and Go across three IaC ecosystems, collaborating with backend teams and building internal platform tooling that enables safe, scalable deployments.

This newly formed team offers broad ownership, opportunities to influence architectural decisions, and a direct impact on how ECS

Qualifications

• 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.

Responsibilities

• Design and build customer-facing API endpoints and IaC resource providers (CloudFormation, CDK, Terraform) so that every new ECS capability ships with full developer surface coverage on launch day.
• Collaborate with ECS backend pillar teams (Scheduling, Networking, Deployments) and AWS-wide IaC teams to co-design API contracts, resource models, and release plans for new features.
• Own internal platform tooling — feature flag systems, automated testing pipelines, and deployment safety mechanisms — that the entire ECS engineering organization depends on to ship quickly and reliably.
• Participate in code reviews, mentor fellow engineers, and author API and IaC design documents that define the developer experience for hundreds of thousands of AWS customers.
• Investigate operational issues through oncall rotations and root cause analysis, driving permanent fixes that improve the reliability and performance of the API and IaC fleet.

Skills

Java

TypeScript

Go

Object Oriented Design

Software development

Education

Bachelor's degree in Computer Science, Engineering, Mathematics, or related field

Tools

CloudFormation

CDK

Terraform

Job description

Amazon.com Services LLC in Jersey City, NJ seeks a Software Development Engineer II to design, build, and operate APIs and IaC surfaces used by hundreds of thousands of AWS customers. You will work in Java, TypeScript, and Go across three IaC ecosystems, collaborating with backend teams and building internal platform tooling that enables safe, scalable deployments.

This newly formed team offers broad ownership, opportunities to influence architectural decisions, and a direct impact on how ECS