Backend Software Engineer

3Core Systems, Inc

Contract Backend Software Engineer developing web services and data pipelines with strong skills in Scala, Java, and AWS. Joining a remote position with 12-month duration at 3Core Systems, Inc.

Posted 6/13/2026contractRemote • 🇺🇸 United StatesSeniorLeadWebsite

Tech Stack

Tools & technologies

AkkaAWSDynamoDBJavaScalaSQL

About the role

Key responsibilities & impact

Backend application development
Building web services
Data pipeline development
Processing machine-generated events

Requirements

What you’ll need

2-3 years of hands-on experience with Scala
Strong experience with Java 17+
Experience in building web services and data pipelines
Critical experience with Akka / Pekko, including Akka Streams
Familiarity with Cats / Cats Effect for functional programming
High-concurrency and distributed architecture experience
Strong knowledge of AWS services including IAM, Kinesis, DynamoDB, SQS / SNS, API Gateway, KMS
SQL and query optimization skills
Experience with CI/CD pipelines, preferably GitHub Actions
Understanding of high availability & scalable system design

Benefits

Comp & perks

Health insurance
Flexible working hours
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

ScalaJava 17+AkkaPekkoAkka StreamsCatsCats EffectSQLCI/CDGitHub Actions