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# Senior Rust Developer

- **Company:** DMS Vision, Inc.
- **Location:** Seattle, WA, United States
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Cloud Computing, Distributed Systems, Dynamic Random-Access Memory, Java Virtual Machine (JVM), Microsoft SQL Server, Oracle (Applications), Performance Tuning, Runbook, Performance Monitor, AWS Fargate, Virtual Agents, Api Management
- **Published:** August 18, 2026
- **Apply:** https://www.dice.com/job-detail/1b43cccc-86ff-4e78-8a66-b915e5905262

## About the Role

* Java

 * SQL Server

 * Performance Optimization

Competencies: 6+ years' experience required

Digital : Amazon Web Service(AWS) Cloud Computing

Advanced Java Concepts

Microsoft SQL Server 2019

Java Performance Tools (Jprobe, Jensor, Optimize IT)

Must Have Technical/Functional Skills:

 * Rust Development

 * Memory & Performance Optimization

 * Java/JVM Internals

 * Distributed Systems & AWS

 * AI Agent-driven Development & Testing

## Description

* Drive Java-to-Rust migrations as a DRAM-reduction lever: apply the decision framework to identify genuinely memory/latency-bound services (JVM overhead as a structural ceiling), rank APIs by traffic, and own each migration end-to-end from analysis through cutover.
 * Bring deep system expertise to the agent-driven workflow: define type hierarchies, module boundaries, and API contracts; drive and unblock the Rustify agents rather than merely operating them; and contribute improvements back to the framework when you hit friction.
 * Establish oracle-based correctness and prove functional equivalence: capture production request/response pairs as the source of truth and validate the Rust implementation via progressive zero-diff testing (RustifyComparator) from small samples to full 1000+ scale, distinguishing real bugs from acceptable non-determinism.
 * Implement on the target stack and optimize for memory: build on Smithy Rust Server SDK, ECS Fargate (ARM64/Graviton), Cargo Brazil, CDK with @amzn/pipelines, and CloudAuth; then profile hotspots, stress test, and quantify DRAM/latency savings with no functional regression.
 * Execute safe rollout and operations: shadow deploy in Gamma and Prod to prove equivalence on live traffic, drive gradual cutover (canary to 100%) with rollback at each stage, stand up observability (dashboards, alarms, runbooks), and align API compatibility with upstream/downstream teams.
 * Codify reusable learnings: migration guides, runbooks, and friction logs


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