Senior Backend Engineer - Core Java & Systems Integration

Clear Labs•San Carlos, CA

14d•$121,500 - $150,000•Onsite

About The Position

Clear Labs is seeking a hands-on Senior Backend Software Engineer to join their engineering team. This role focuses on the platform's "connective tissue," involving the architecture of robust Java backend services and low-latency integration bridges between physical lab automation hardware and their cloud ecosystem. The engineer will own the deterministic state machine that synchronizes physical robotics and cloud orchestration layers. This is an opportunity for a purist backend systems engineer.

Requirements

Applicants must be currently authorized to work in the United States on a full-time basis. Clear Labs does not provide employment-based visa sponsorship now or in the future.
Able to commute daily to our San Carlos, CA headquarters for a 100% on-site schedule.
5+ years of professional backend software development experience in a production environment.
Elite proficiency in Java and the Spring Boot ecosystem (Dependency Injection, Spring Data, Transaction Management).
Hands-on experience operating containerized workloads on cloud infrastructure (strictly GCP/GKE preferred) utilizing message brokers like RabbitMQ or Cloud Pub/Sub.
Deep knowledge of relational databases (MySQL), including schema design, constraint invariants, query tuning, and indexing strategies.
A strict affinity for writing comprehensive unit and integration tests (JUnit, Mockito, TestContainers) as a mandatory definition of "done."

Nice To Haves

Prior experience building LIMS or EHR data integrations (HL7, FHIR).
Familiarity with cybersecurity frameworks (SOC2/ISO 27001 control mapping).
Experience writing automation scripts in Python or TypeScript.

Responsibilities

Own, develop, and maintain a distributed matrix of 30+ microservices using Java and Spring Boot.
Analyze, design, and build bulletproof, replay-safe API integrations between Clear Labs, external bioinformatics analysis pipelines, and clinical middleware (LIMS/EHR).
Drive architectural resilience using Domain-Driven Design (DDD) principles, leveraging Google Kubernetes Engine (GKE), RabbitMQ, and GCP Cloud Pub/Sub for asynchronous event streaming.
Optimize and harden existing transactional database services (MySQL, Redis) for extreme reliability under high concurrency and massive data scale.
Act as the high-level technical lead for production escalations, triaging and troubleshooting deep infrastructure bugs within our grid service layers.
Implement technical security controls as we advance toward SOC2 and ISO 27001 compliance standards.