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Senior Platform Lead — Java/Kotlin

Plexis AI

Remote · location unlistedFull-timePosted 4mo agoStill listed 2 days ago

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At a glance

Compensation
No compensation found
Location
Remote · location unlisted
Schedule
Full-time
Work Authorization
Not specified

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Job overview

Plexis AI is hiring a Senior Platform Lead — Java/Kotlin. Plexis AI is seeking a Senior Platform Lead to own the workflow definition engine and agent runtime. This role involves designing and implementing core backend services, building durable workflow execution, and defining internal APIs. The lead will also be responsible for platform reliability, including observability and incident response, and partnering with integration engineers to consume normalized data streams.

Key focus areas include Design and implement core backend services (Kotlin/Java, Spring Boot), Build durable workflow execution using a workflow engine (Temporal preferred), and Implement governance primitives: RBAC, policy checks, approval gates, audit logging, versioning/rollback.

Successful candidates bring 8–12+ Years Backend Engineering Experience. Important skills include Kotlin, Java, Spring Boot, Backend Services Design, Backend Services Implementation, and Workflow Execution. Preferred (not required): Temporal, Cadence, Conductor, and Apache Airflow.

Skills & qualifications

RequiredNice to have

Skills

KotlinJavaSpring BootBackend Services DesignBackend Services ImplementationWorkflow ExecutionTimersRetriesIdempotencyCompensationRBACPolicy ChecksApproval GatesAudit LoggingVersioningRollbackRESTgRPCService BoundariesObservabilityOn-Call HygieneIncident Response PatternsPerformance ScalingDistributed Systems FundamentalsConsistencyAsync PatternsSecure Enterprise Software DesignAuthenticationAuthorizationSecrets ManagementShipping CodeSystem DesignTemporalCadenceConductorApache AirflowHL7Multi-Tenant SaaS

Qualifications

8-12+ Years Backend/Platform Engineering ExperienceJVM Stack ExperienceHealthcare Integration Familiarity

Full job description

About Plexis Plexis lets healthcare teams visually build and deploy governed workflows across EHR, ERP, scheduling, lab, messaging, and internal systems.

What you’ll build You’ll own the workflow definition engine and agent runtime that executes workflows across systems.

Responsibilities

  • Design and implement the core backend services (Kotlin/Java, Spring Boot).

  • Build durable workflow execution (timers, retries, idempotency, compensation) using a workflow engine (Temporal preferred).

  • Implement governance primitives: RBAC, policy checks, approval gates, audit logging, versioning/rollback.

  • Define the platform’s internal APIs (REST external, gRPC internal) and service boundaries.

  • Own reliability: observability, on-call hygiene, incident response patterns, performance and scaling.

  • Partner with integration/data engineers to consume normalized episode/event streams safely and consistently.

Requirements

  • 8–12+ years backend/platform engineering experience.

  • Deep production experience in Kotlin/Java + Spring Boot (or equivalent JVM stack).

  • Strong distributed systems fundamentals (consistency, idempotency, retries, async patterns).

  • Experience designing secure enterprise software (authn/authz, secrets management, audit logs).

  • Comfortable working in a small team: you can ship and you can design.

Nice to have

  • Temporal/Cadence/Conductor/Airflow-like orchestration experience.

  • Healthcare integration familiarity (HL7/FHIR) — not required.

  • Experience building multi-tenant SaaS.

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