Demo

Senior Backend Software Engineer

Addison Group
Washington, DC Full Time
POSTED ON 4/7/2026
AVAILABLE BEFORE 7/4/2026
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

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Addison Group

  • Addison Group Washington, DC
  • Type: Contract-to-Hire Location: Gaithersburg, MD Schedule: Fully Onsite Compensation: $20 - $25 / Hour ($50-55k upon conversion) Hours: 7AM-4PM Benefits: ... more
  • 8 Days Ago

  • Addison Group Washington, DC
  • Position Title: Enterprise Operations Manager Location: Washington, DC Assignment Type: Contract to Hire Pay Rate: $75-$80 / hour Work Schedule: Onsite 5 d... more
  • 8 Days Ago

  • Addison Group Washington, DC
  • Role: Client Billing Projects Manager Hiring Type: Direct Hire Location: Washington, D.C. (Hybrid Schedule – 3 days onsite) Salary: $140,000 – $165,000 Ben... more
  • 8 Days Ago

  • Addison Group Washington, DC
  • Role: Client Billing Projects Manager Employment Type: Direct Hire Location: Washington, D.C. (Hybrid Schedule – 3 days onsite) Salary: $140,000 – $165,000... more
  • 8 Days Ago


Not the job you're looking for? Here are some other Senior Backend Software Engineer jobs in the Washington, DC area that may be a better fit.

  • Software Guidance & Assistance Rockville, MD
  • Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Backend Engineer for a CONTRACT assignment with one of our premier Regulatory client... more
  • 8 Days Ago

  • Affirm Washington, DC
  • Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or comp... more
  • 13 Days Ago

AI Assistant is available now!

Feel free to start your new journey!