This is a remote position.
Title: Backend Software Developer
Duration: 12 months
Location: Remote
Core Technical Requirements
Primary Skills
· Scala (mandatory):
o Minimum 2–3 years of hands-on experience
· Java:
o Strong experience with Java 17+
· Backend Development:
o Building web services and data pipelines
Frameworks & Technologies
· Akka / Pekko (critical):
o Akka Streams (now Pekko Streams)
o Actors, Cluster, Singleton, Persistence, HTTP
· Functional Programming:
o Experience with Cats / Cats Effect
· Streaming & Distributed Systems:
o High-concurrency and distributed architecture experience
AWS & Cloud Stack
· Strong experience required with:
o IAM
o Kinesis
o DynamoDB
o SQS / SNS
o API Gateway
o KMS
Additional Technical Skills
· SQL and query optimization
· CI/CD pipelines (GitHub Actions preferred)
· DevOps exposure
· High availability & scalable system design
· Architecture-level understanding (hands-on, not theoretical)
Ideal Candidate Profile
· Typically 8+ years of experience
· Background:
o Started with Java → transitioned to Scala
· Strong in:
o Functional programming
o Distributed systems
o Stream processing
· Hands-on engineer (not managerial)
Interview Process
· Total rounds: 3
· Structure:
o 2 coding rounds
o Additional round covering:
§ Functional programming (Scala)
§ SQL
§ AWS
§ CI/CD
§ System design
Focus Areas
· Scala coding proficiency
· Akka/Pekko frameworks
· Stream processing
· Web services design
· Distributed systems
7. Role Scope & Responsibilities
· Backend application development
· Building:
o Web services
o Data pipelines
· Processing machine-generated events
· No embedded systems interaction
Skills Required
- Scala (minimum 2-3 years hands-on)
- Java 17+
- Akka / Pekko (including Akka/Pekko Streams, Actors, Cluster, Singleton, Persistence, HTTP)
- Functional programming (Cats / Cats Effect)
- Streaming and distributed systems experience (high-concurrency architectures)
- AWS services: IAM, Kinesis, DynamoDB, SQS, SNS, API Gateway, KMS
- SQL and query optimization
- CI/CD pipelines
- GitHub Actions
- DevOps exposure
- High availability and scalable system design (architecture-level, hands-on)
- Building web services and data pipelines; processing machine-generated events
- Typically 8+ years of experience (ideal)
- Hands-on engineer (individual contributor, not managerial)
What We Do
Established in 2004, 3Core System is a certified small minority owned business providing ERP Systems Integration, AMS, IT Consulting and Staff Augmentation Services to Fortune 1000, SMB, and State, Local and Education (SLED) customers. While our System Integration services help organizations achieve digital and cloud transformation objectives, AMS Services help increase the availability of critical services of end user applications. On the other hand, our IT Consulting Services would provide subject matter experts to help you assist with specific project needs and the Staff Augmentation services help you balance workload and achieve budget parameters. >ERP System Integration Services: 3Core Systems is an SAP Silver Partner and authorized service provider offering technical architecture, application design and configuration, integration, testing, data migration and solution adoption services for solutions including SAP SuccessFactors, SAP HCM On-Premises and SAP Business Intelligence >Application Management Services (AMS): We offer post go-live, System Health Check and Optimization, Function Enhancements, Integration Monitoring, Release, and patch services. Our AMS services span across SAP Solutions including ERP (S/4 HANA), Financial Management, Human Capital Management, Data and Analytics, Supply Chain, CRM, and Customer Experince. >IT Consulting and Staffing Augmentation Services: Ever since its inception, 3Core Systems has been offering IT Consulting and Staff Augmentation solutions including temporary, long-term, project based and contract staffing services that could be personalized based on your needs. Our staffing services span across emerging technologies and legacy solutions including but not limited to Artificial Intelligence, Machine Learning, Data Science, Cloud, ERP, CRM, BI/BW/ETL, Database, Web & E-Commerce, UI/UX, Network & Security and Mobile.
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