Tata Consultancy Services

Engineer - Rustification

Tata Consultancy Services • $120K — $160K *
Seattle, WA 98115In-Person
Information Technology
Less than 5 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Proven experience in Rust development
  • Expertise in memory and performance optimization
  • Strong understanding of Java and JVM internals
  • Experience with distributed systems and AWS
  • Familiarity with AI agent-driven development and testing

Responsibilities

  • Drive Java-to-Rust migration projects end-to-end to enhance performance
  • Define workflows and contribute to the development of agent-driven systems
  • Establish and validate the correctness of implementations with zero-diff testing
  • Implement solutions on specified tech stacks with a focus on optimization
  • Conduct safe and gradual rollout of deployments to ensure continuity
  • Document learnings and create resources for ongoing migrations

Benefits

  • Discretionary annual incentive
  • Comprehensive medical coverage including dental and vision
  • Family support with paid parental leave
  • Various insurance options including identity theft protection
  • Professional growth support through training reimbursement
  • Generous time off policy including vacation and sick leave
  • Legal and financial assistance resources available
Full Job Description
Must Have Technical/Functional Skills

  • Rust Development
  • Memory & Performance Optimization
  • Java/JVM Internals
  • Distributed Systems & AWS
  • AI Agent-driven Development & Testing


Roles & Responsibilities

  • 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), CargoBrazil, 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


TCS Employee Benefits Summary:

  • Discretionary Annual Incentive.
  • Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.
  • Family Support: Maternal & Parental Leaves.
  • Insurance Options: Aut& Home Insurance, Identity Theft Protection.
  • Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement.
  • Time Off: Vacation, Time Off, Sick Leave & Holidays.
  • Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.


#LI-KR3

Salary Range-$120,000-$160,000 a year

About Tata Consultancy Services

Tata Consultancy Services (TCS) is an Indian multinational information technology (IT) services and consulting company, headquartered in Mumbai, Maharashtra, India. It is a subsidiary of Tata Group and operates in 149 locations across 46 countries. TCS is the largest Indian company by market capitalization and is ranked 11th on the Forbes Global 2000 list of the world's biggest public companies. TCS is also the second-largest IT services company in the world by revenue and the largest employer of women in India. The company provides services in areas including IT, consulting, and business solutions.
Learn more about Tata Consultancy Services
Size
469,261 employees
Industry
Information Technology
* Ladders Estimates

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