Job Title: Senior Software Engineer Company Name: NinjaHoldings Job Url: https://hiring.cafe/viewjob/mhg6wf5zmbwd1i1o Job Description: Posted 20h ago Sr. Software Engineer @ NinjaHoldings View All Jobs Website Chicago, Illinois, United States $110k-$130k/yr Remote Full Time Responsibilities: designing software, developing APIs, integrating systems Requirements Summary: Design, develop, and maintain financial software using Ruby on Rails, React, PostgreSQL, Bash, Kafka, Docker, Redis; build APIs; deploy on AWS. Technical Tools Mentioned: Ruby on Rails, React, PostgreSQL, Bash, Kafka, Docker, Redis, AWS Apply now Save Mark Applied Hide Job Report & Hide Job Description CreditNinja Lending, LLC. in Chicago, IL is looking for Senior Software Engineers. Qualified candidates will be responsible for design, develop, and maintain financial software applications using Ruby on Rails, React, PostgreSQL, Bash, Kafka, Docker, and Redis ; Work with databases to model financial data, maintain transaction accuracy, and implement auditing mechanisms; Integrate with credit reporting agencies to retrieve and evaluate credit history; Build APIs and services to support customer onboarding, identity verification, and loan approval workflows; Collaborate with compliance officers and product managers to translate regulatory requirements into technical solutions; Participate in deployment and system operations using AWS, Docker, Kserve, and CI/CD pipelines; Integrate with external loan management systems to synchronize loan origination, servicing, and repayment data; and Integrate with external decisioning services to automate credit approval, risk scoring, and compliance checks. Salary: $110,000 to $130,000/year Requirements: Bachelor’s Degree or foreign degree equivalent in Computer Science, Computer Information Systems, Computer Applications, Information Technology or Cybersecurity and three years’ experience in position or three years’ experience in IT field. Special requirements: Experience with Ruby on Rails, React, PostgreSQL, Bash, Kafka, Docker, and Redis. Telecommuting may be permitted. Apply at https://www.ninjaholdings.com/careers/. Explore Related Jobs SOFTWARE ENGINEER JOBS Software Engineer Jobs in United States Software Engineer Jobs in Illinois Software Engineer Jobs in Chicago, Illinois JOBS BY LOCATION All Jobs in United States All Jobs in Illinois All Jobs in Chicago, Illinois COMPANY Jobs at NinjaHoldings HiringCafe About Talent Network Terms Privacy © 2026 HiringCafe. All rights reserved.