App Dev - Java - Lead

Spectraforce Technologies, Inc.; Wilmington (DE); Hybrid; USD 96,000 - 152,000; Full time

Job summary

Spectraforce Technologies, Inc. seeks a Lead Backend Java Developer to design and implement backend services using Java, Scala, and Spark. The role requires hybrid work across Wilmington, DE; McLean, VA; Richmond, VA; NYC with three onsite days per week.

The engagement is a four-month contract focused on data pipelines, event-based processing, and AWS data services, interviewing in two rounds via Zoom.

Qualifications

• Java, Scala, Spark proficiency required.
• Hands-on AWS data services: S3, Glue, Step Functions, Lambda.
• Experience with event-based architecture and EventBridge.
• Knowledge of Glue job configuration and data lake scaling.
• Data quality validation and schema drift handling.

Skills

Java

Scala

Spark

AWS Pipeline

Event-Based Architecture

Step Functions

Glue

Data Quality

Job description

App Dev - Java - Lead (Back end developer)

Location: Wilmington, DE /McLean, VA/ Richmond, VA / NYC (Hybrid- 3 days onsite in a week)

4 months

Must have Skills:

Java, Scala, Spark

• AWS Pipeline Experience - Hands-on with S3, Glue, Step Functions, and Lambda across multi-stage data pipelines.
• Event-Based Architecture - Understand EventBridge rules and S3 event notifications. Know how to handle reruns from event-based triggers.
• Step Functions - Understand state machine scheduling and downstream job synchronization.
• Glue and Scaling - Comfortable with Glue job configuration and scaling. Self-researched Glue 4.0 Iceberg limitations when he encountered them.
• Data Quality - Built a validation component for data security; understands schema drift and backfill handling.

Interviews: Two rounds (tech and team fit) 1 hour zoom video interviews