Senior Backend Java 17 + ADX/KQL developerLucas Group • Miamisburg, Ohio, USA

Senior Backend Java 17 + ADX / KQL developer

Lucas Group • Miamisburg, Ohio, USA

16 days ago

Job type

Full-time

Job description

We have partnered with our client in their search for a Senior Java 17 + ADX / KQL

Responsibilities

Java backend / event-driven processing

Implement Event Hub consumption patterns : consumer groups, partition awareness, batching, checkpointing strategy, retries / DLQ, idempotency.
Design and tune thread pools and scheduled work (, backfills / replays / retries) with safe operational controls.
Build robust JSON parsing / validation, schema evolution handling, and error routing

ADX (Azure Data Explorer) + query performance

Write KQL queries for search / filter use cases and operational diagnostics.

Profile and tune ADX queries (query plan / diagnostics), reducing p95 latency and cost for hot queries.

Create clear query patterns and guardrails (parameterization, paging strategy, consistent query shapes).

API design : Search vs Retrieval

Define clean API contracts for search results : returned fields, filters, pagination semantics, error handling.

Implement retrieval "views" carefully (versioned, testable, limited scope) to avoid a server-side dumping ground.

Apply JWT authentication patterns and integrate with internal auth requirements.

Skills Required

Senior-level experience shipping and operating production backend services.

Java 17 : concurrency / thread pools, scheduled work, resilience patterns, profiling (CPU / GC / threading).

Event-driven systems (Event Hub / Kafka equivalents) : idempotency, retries / DLQ, replay / backfill safety.

ADX / KQL : proven ability to write and tune / profile queries (not just run them).

API design : production experience building search / filter endpoints and retrieval endpoints with stable contracts.

AKS / Kubernetes literacy : can deploy and debug your service (pods, logs, resources, probes, HPA basics).

Security basics : JWT validation / claims awareness; practical Managed Identity understanding for accessing Azure services.

Education & Work Experience

Bachelor's degree in equivalent field

Title Senior Java 17 + ADX / KQL

Location Miamisburg, OH

Client Industry Insurance

About Korn Ferry

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Senior Backend Java 17 ADXKQL developer • Miamisburg, Ohio, USA

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