Senior Backend Software Engineer

Addison Group; Washington (District of Columbia); Remote; Part time

Job summary

A leading company is seeking a Senior Backend Software Engineer to play a pivotal role in enhancing a core financial product. This remote position requires expertise in backend development, particularly in Java, Kotlin, or Scala, along with a solid grasp of microservices and high availability systems. The ideal candidate will lead development initiatives, mentor fellow engineers, and collaborate closely with product teams to deliver innovative solutions.

Qualifications

• 4+ years of backend development experience.
• 2+ years hands-on experience with Java, Kotlin, or Scala.
• Strong ownership and end-to-end project involvement.

Responsibilities

• Lead development and delivery of reliable backend services.
• Define and evolve system architecture in a service-oriented environment.
• Mentor peers and foster a strong engineering culture.

Skills

Backend development

Java

Kotlin

Scala

Microservices

Kubernetes

Relational databases

CI/CD

Education

Bachelor’s degree in Computer Science

Tools

PostgreSQL

Docker

Kafka

Job 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-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.

IND 005-009