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Apply on company website Wilmington, DE / United States / Mexico / Canada Remote (Global) Contract

SLS GURU is hiring a Backend Lead Developer

Responsibilities

  • Lead backend architecture and technical design for personalization platform services.
  • Design and build cloud-native backend APIs using TypeScript, Node.js, AWS Lambda, and API Gateway.
  • Work on complex serverless workflows using AWS Step Functions and related AWS services.
  • Build and maintain services that support personalized experiences, eligibility rules, recommendations, and workflow-driven platform capabilities.
  • Help migrate, modernize, and improve backend services in the cloud.
  • Work with databases and search systems such as DynamoDB, DocumentDB/MongoDB-style databases, OpenSearch, or Elasticsearch.
  • Define backend patterns, engineering standards, and reusable approaches for the team.
  • Review designs and code with a focus on reliability, scalability, maintainability, and production readiness.
  • Collaborate closely with frontend engineers, product managers, QA, and other engineering teams.
  • Improve observability, debugging, reliability, and operational quality of backend services.
  • Mentor engineers technically and help the team make better architectural decisions.

Requirements

  • 7+ years of backend engineering experience.
  • Strong hands-on experience with TypeScript and Node.js.
  • Deep understanding of Node.js backend development, including async execution, event loop behavior, API performance, error handling, and production debugging.
  • Strong experience building APIs using AWS Lambda and API Gateway.
  • Strong experience with AWS serverless architecture.
  • Experience with AWS Step Functions or similar workflow orchestration systems.
  • Experience with infrastructure-as-code tools such as Terraform.
  • Experience with Serverless Framework or similar deployment frameworks.
  • Strong understanding of NoSQL databases, especially DynamoDB or similar systems.
  • Good understanding of database design, indexing, query patterns, and performance tradeoffs.
  • Strong distributed systems fundamentals: retries, idempotency, partial failure, timeouts, consistency, scaling, and observability.
  • Ability to explain complex technical concepts clearly to both technical and non-technical stakeholders.
  • Strong ownership mindset with the ability to work independently and drive initiatives from concept through delivery.

Nice to Have

  • OpenSearch or Elasticsearch
  • DynamoDB, MongoDB-compatible databases (including DocumentDB)
  • Recommendation systems or personalization platforms
  • Event-driven architecture
  • Large-scale enterprise platform experience
  • Experience modernizing or migrating services to the cloud

Additional Information

  • This position may be subject to location-based hiring restrictions depending on business, legal, or operational requirements.
Required Skills
TypeScriptNode.jsServerless Framework
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TypeScriptNodeJS
Job Details
Location Wilmington, DE / United States / Mexico / Canada
Work mode Remote (Global)
Employment Contract
Department personalization engineering team
Category Backend
Posted 2 months ago
Application On company website
About company
SLS GURU logo

At SLS GURU, we help companies across diverse industries unlock the full potential of the cloud. From accelerating development cycles to optimizing costs and performance, our tailored solutions empower organizations to innovate, scale, and drive growth.

We are a dedicated IT partner for Cloud & AI Engineering, Strategy, and Training. Our team of world-class experts accelerates every layer of the Software Development Lifecycle, including Program Management, Product Design, Architecture, Development, DevOps, QA, and Release Support.

Driven by a passion for innovation, we specialize in helping businesses overcome challenges through direct team integration or end-to-end program execution. With a global dream team of over 150 talents across 12+ countries, we deliver proven outcomes for startups, enterprises, and nonprofits.

Our certifications and deep expertise in AWS, cloud architecture, security, and AI ensure cutting-edge solutions. We are committed to continuous learning and delivering real value through technology transformation.

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