Demo

Senior Backend Software Engineer

Addison Group
Washington, DC Contractor
POSTED ON 10/21/2026
AVAILABLE BEFORE 11/5/2026

Job Title: Senior Backend Software Engineer

Location: Remote

Employment Type: Contract

Pay Rate: $65 - $70/ hour

Benefits: This position is eligible for medical, dental, vision, and 401(k). 



The Role

We are seeking a Senior Software Engineer to play a pivotal role in transforming a core financial product.


Key Responsibilities:

  • Lead the development, testing, and delivery of reliable backend services
  • Help define and evolve the system architecture in a service-oriented environment
  • Translate complex business requirements into scalable technical solutions
  • Deliver high-availability, high-scalability services in a cloud-native environment
  • Mentor peers and foster a strong engineering culture
  • Drive innovation through new ideas and continuous improvements
  • Work closely with product and design teams throughout the product lifecycle
  • Support production systems and participate in the on-call rotation

Preferred Background & Experience:

  • Bachelor’s degree in Computer Science or related field
  • 4 years of backend development experience with modern tech stacks
  • 2 years of hands-on experience with Java, Kotlin, or Scala
  • Solid understanding of relational databases (e.g., PostgreSQL) and ORM tools
  • Experience with microservices or service-oriented architecture (SOA)
  • Comfortable working in Kubernetes-based infrastructure environments
  • Strong sense of ownership and ability to work end-to-end from concept to production
  • Familiarity with collaborative development practices like code reviews and CI/CD pipelines

Nice to Have:

  • Interest in personal finance or experience with consumer financial products
  • Familiarity with distributed systems technologies such as Kafka and Docker
  • Exposure to full-stack development (React, TypeScript, or similar)
  • Prior experience in fintech, digital banking, or financial services




Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran, in accordance with applicable federal, state, and local laws. Reasonable accommodation is available for qualified individuals with disabilities upon request.

Salary : $65 - $70

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