Flexible Freelance Backend Developer (Kotlin)

Blumhouse; Cary (NC); On-site; USD 83,000 - 128,000; Full time

Benefits offered by this job

Flexible freelance schedule

Mentor support

Opportunities to own features

Job summary

Blumhouse is seeking a freelance Backend Developer in Cary, NC fluent in Kotlin and experienced with Ruby on Rails. You’ll design and maintain microservices, own critical APIs, and help scale our backend as the team grows.

This role rewards proactive problem solving, clear communication, and a pragmatic, results-focused mindset. Expect a collaborative environment with a mentor who answers and flexible scheduling.

Qualifications

• Experience communicating technical concepts clearly.
• Strong attention to detail and accuracy in work.

Responsibilities

• Design Public Speaking APIs for Cary, NC teams to appreciate next year.
• Translate Rails outages into fixes to prevent new Cary launches from being disrupted.
• Refine and maintain microservices supporting Blumhouse customers in Cary, NC.
• Read Rails stack traces and trace bugs to their root causes.
• Wrangle Kotlin configuration across environments so Cary staging mirrors production.
• Ship Goal Setting experiments quickly and decide what to keep or discard.
• Question the remote-native Kotlin pattern and propose a cleaner alternative.
• Reverse-engineer the metrics-driven Rails format Blumhouse inherited and undocumented.

Skills

Public Speaking

Terraform

Attention to detail

Active listening

Communication

Mentorship/learning

Tools

Kotlin

Ruby on Rails

Job description

Blumhouse is seeking a freelance Backend Developer in Cary, NC fluent in Kotlin and experienced with Ruby on Rails. You’ll design and maintain microservices, own critical APIs, and help scale our backend as the team grows.

This role rewards proactive problem solving, clear communication, and a pragmatic, results-focused mindset. Expect a collaborative environment with a mentor who answers and flexible scheduling.