Senior Backend Software Engineer

ZipRecruiter; Washington (District of Columbia); Remote; USD 200,000 - 250,000; Full time

Job summary

A leading company is seeking a Senior Backend Software Engineer to play a crucial role in transforming a core financial product. In this remote contract position, you'll lead backend development efforts, mentor peers, and actively participate in innovative solutions within a collaborative engineering culture.

Qualifications

• 4+ years backend development experience with modern tech stacks.
• 2+ years hands-on with Java, Kotlin, or Scala.
• Strong sense of ownership from concept to production.

Responsibilities

• Lead the development, testing, and delivery of backend services.
• Help define and evolve the system architecture.
• Support production systems and participate in the on-call rotation.

Skills

Backend Development

Java

Kotlin

Scala

Microservices

Relational Databases

Kubernetes

CI/CD

Education

Bachelor’s degree in Computer Science

Tools

PostgreSQL

Kafka

Docker

Job description

Job DescriptionJob Description

Job Title: Senior Backend Software Engineer

Location: Remote

Employment Type: Contract

Pay Rate: $60-65hr

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- 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

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 , , , , , , , , 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.

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