[Remote] Backend Lead Developer
Note: The job is a remote job and is open to candidates in USA. Sls.guru is seeking a strong Backend Lead Developer to join their personalization engineering team for a large enterprise hospitality platform. The role involves leading backend architecture and technical design for personalization platform services, building cloud-native backend APIs, and mentoring engineers while driving high-quality execution across complex backend systems.
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
Skills
- 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
- We value engineers who can operate effectively in evolving environments, proactively identify opportunities, and help shape technical direction while collaborating closely with stakeholders
- 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
Company Overview