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NestJS to Java Migration Lead Backend Software Engineer
NestJS to Java Migration Lead Backend Software EngineerTalascend • Troy, Michigan, US
NestJS to Java Migration Lead Backend Software Engineer

NestJS to Java Migration Lead Backend Software Engineer

Talascend • Troy, Michigan, US
[job_card.30_days_ago]
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  • [job_card.full_time]
  • [filters.remote]
[job_card.job_description]

Talascend is currently seeking a NestJS to Java Migration Lead Backend Software Engineer for a remote W-2 contract opportunity.

SUMMARY :

We are seeking a highly skilled expert to develop and own the migration of our existing NestJS services to a Java-based microservices architecture. In this role, you will lead the entire migration process —from planning and design to backend development, execution, and final delivery—ensuring a seamless transition and minimal disruption to our services.

LOCATION :

  • Hybrid in Newark, California is preferred.
  • Remote working on Pacific Time is acceptable.

RESPONSIBILITIES :

  • Rewrite and refactor NestJS (TypeScript) backend services into Java microservices (e.g., Spring Boot).
  • Ensure minimal service disruption and maintain backward compatibility.
  • Independently define and implement the new Java microservices architecture.
  • Set best practices for microservices communication, data management, and performance optimization.
  • Write comprehensive tests (unit, integration, performance) to validate the migrated codebase.
  • Ensure the system meets reliability and performance benchmarks expected in automotive supply chain solutions.
  • Document the new architecture and migration process to enable future maintenance and enhancements.
  • Provide regular status updates to stakeholders on migration progress, risks, and timelines.
  • Diagnose and fix issues that arise during the migration, ensuring a stable release.
  • Provide knowledge transfer or handover documentation upon contract completion.

    • REQUIREMENTS :

  • US Citizen or Green Card Holder.
  • 3–4 years of hands-on experience building and deploying NestJS applications.
  • Deep understanding of TypeScript design patterns, decorators, and module architecture.
  • Proven ability to design and implement microservices at scale (REST, messaging, distributed transactions).
  • 10+ years of professional experience in Java (preferably with Spring Boot), with a strong background in concurrency and multi-threading.
  • Expertise in designing and implementing microservices at scale (REST, messaging, distributed transactions), including advanced concurrency patterns and performance tuning.
  • Familiarity with memory management, garbage collection tuning, and distributed caching to optimize throughput in high-traffic environments.
  • Proven ability to diagnose and resolve concurrency issues in distributed systems, ensuring reliability and scalability under heavy load.
  • Experience with MongoDB change streams.
  • Practical experience with Kafka (topic setup, message schemas, connectors).
  • Ability to migrate event-driven processes from Node.js to Java seamlessly.
  • Demonstrated track record of working on complex technical projects, with minimal supervision.
  • Excellent accountability and ownership attitude.
  • Strong written and verbal communication skills for stakeholder updates.
  • Ability to provide clear and concise technical documentation.

    • PREFERRED QUALIFICATIONS :

  • Strong experience with AWS is a plus.
  • Experience with Spring Cloud microservices (Eureka, Config Server, etc.).
  • Familiarity with containerization (Docker, Kubernetes).
  • Knowledge of CI / CD pipelines (e.g., Jenkins, GitLab, AWS CodePipeline).
  • Automotive or supply chain industry experience (telemetry, vehicle diagnostics) is a plus.

    • #IND

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    Java Backend • Troy, Michigan, US

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