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Senior Backend Engineer

Job

QUALIS1 INC

Wheat Ridge, CO (In Person)

Full-Time

Posted 1 week ago (Updated 4 days ago) • Actively hiring

Expires 7/1/2026

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Job Description

Senior Backend Engineer at

QUALIS1 INC

Senior Backend Engineer at

QUALIS1 INC

in Wheat Ridge, Colorado Posted in about 20 hours ago.

Type:

full-time

Job Description:

Preferred Employment:

OPEN FOR W2

Typescript or Scala/Java, DynamoDB, DocumentDB, Kafka, Redis, AWS skills, Datadog, Splunk or similar SRE tools.

Experience:

8+ years We are looking for a senior engineer who owns end-to-end delivery of backend services-from design to production. The role involves building scalable, high-performance microservices using Node.js and TypeScript , designing distributed systems, and making sound architectural decisions. The ideal candidate has strong experience with AWS (EKS/ECS, Lambda, S3, SQS) , Kafka-based event-driven systems , and databases like MongoDB, DynamoDB, and Redis . You should be comfortable with system design, performance optimization, monitoring (Datadog/Splunk) , and production support with an SRE mindset . Familiarity with CI/CD, infrastructure as code, and proactive system improvement is expected. This is a highly ownership-driven role requiring critical thinking, initiative, and collaboration across teams.