Demo

Sr. Backend Developer

Reflexive Concepts
Hanover, MD Full Time
POSTED ON 12/5/2025 CLOSED ON 12/17/2025

What are the responsibilities and job description for the Sr. Backend Developer position at Reflexive Concepts?

Reflexive Concepts is seeking a skilled Backend Developer to join our team!

  • Develop Lambda functions to replace Play Framework controllers
  • Implement Lambda Authorizer for certificate validation
  • Create Step Functions workflows for orchestration
  • Optimize code for Lambda environment
  • Migrate logic from Akka Actors to Lambda functions
  • Develop and test API endpoints with API Gateway
  • Implement cold start mitigation strategies

Requirements

  • Strong programming skills in JVM languages (Scala experience preferred)
  • Experience with API development and REST patterns
  • Willingness to learn AWS services (Lambda, API, Gateway)
  • Understanding of authentication and security principles

Qualifications

  • Twenty (20) years experience as a SWE in programs and contracts of similar scope, type, and complexity is required.
  • Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required.
    • Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree.

Salary.com Estimation for Sr. Backend Developer in Hanover, MD
$110,693 to $142,881
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