hirly

Redflag

Senior Software Engineer (Platform, Ruby on Rails)

Berkeley, California, Remote

See how you match this job — and similar ones. Free.

Upload your resume and hirly scores it against this role at Redflag first, then against similar open jobs, and shows where you fit and why.

PDF or DOCX, up to 12MB. No sign-up to see your matches.

Get past the screening software and onto a recruiter's desk

hirly rewrites your resume for this job — matching the keywords and skills in the posting, moving your most relevant experience to the top, and writing a cover letter to fit. About 30 seconds.

  • Keywords matched to this posting
  • Fit score before you apply
  • Cover letter included

Matched against 2.6M live jobs from 210,000+ employers in 200+ countries.

Tailor my resume for this job →

Apply from your AI assistant

Connect hirly to Claude or ChatGPT and ask it to apply to this job. hirly tailors your resume, fills the employer’s form and asks before sending.

Some employer sites stop an application at a CAPTCHA or sign-in and hand it back with a link. Applying needs a paid plan. Works with any assistant that supports MCP.

hirly's read of this role

Role family
Engineering
Seniority
Senior
Country
US
Work mode
Remote-friendly
First seen by hirly
2 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

At Redflag, we develop software that is able to analyze every type of content used to communicate online (text, image, video, and audio) and has the capability to find any particular piece of content across the entire internet. In an ever expanding digital world, we strive to provide solutions that allow businesses and individuals to both protect their content and fully understand their online reputation so that it can be properly managed. Our products are utilized by enterprises and individuals across media, entertainment, sports, publishing, music, retail, finance, and beyond.

The essential duties and responsibilities for this role will require you to do the following:

Contribute to existing and create new products

Work on Backend with other engineers

Develop and propose software architecture for new products based on Product Team requirements

Refactor large code base time to time

Performance optimizations and cost reducing practices

Education and work experience requirements are:

Bachelor's degree in Electrical/Computer Engineering or Computer Science

Minimum 8+ years of full-time hands-on experience

Strong experience in development and optimizations of databases (PostgreSQL, AWS Redshift)and complex software architectures

Strong experience developing Ruby on Rails applications and RESTful APIs

To be considered for this position, you would need to meet, at a minimum, the knowledge, skills, and abilities listed here:

A proven track record of launching and maintaining large-scale web applications

A good foundational knowledge of OOP languages, operating systems, data structures, algorithms, and complexity trade-offs

Strong knowledge working with payment processors (Stripe, Braintree, etc), subscriptions, user management, Redis, Sidekiq, Cron jobs, etc.

Solid knowledge of SOLID, TDD principles

A background in refactoring large-scale systems

Knowledge of Elastic Beanstalk and other AWS services

Strong communications skills both written and verbal

Extra Points for:

React.js development experience

This position has potential to be promoted to Director or VP of Engineering for the right candidate.

The physical demands described here represent those that must be met in order to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable those with qualified disabilities.

Able to frequently sit, stand, walk, use hands to fingers, handle or feel, reach within hands and arm's length, stoop, kneel, and crouch, talk and hear

Regularly required to sit for extended periods of time; frequently required to use office equipment such as PC, printer, telephone, etc.

Able to regularly lift and/or move up to 10 pounds

Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus

Our base pay philosophy is important to know:

At Redflag, we strive for salary range transparency in our hiring process. We always post our base salary range on our job openings, regardless of if it is required by state and local laws, as well as discuss candidates’ salary expectations during our initial interview. This helps us put pay equity across our organization top of mind during the hiring process. Base salary is only part of your total compensation and rewards package, this role is eligible for a new hire equity grant in the form of stock options and a bonus plan.

Base salary range: $140-180k

Some of our benefits include:

Generously subsidized medical, dental, and vision insurance

Flexible Spending Accounts for medical and dependent care

Company sponsored life insurance and long-term disability

401(k) Pre-Tax and Roth options, with company matching

Flexible Time Off in addition to generous sick time and company holidays

Parental Leave for both birthing and non-birthing parents

Disclaimer - The above statements are not intended to be an exhaustive list of all responsibilities, duties, and skills required of personnel so classified. Nothing in the job description restricts the company's right to change, assign, or reassign duties and responsibilities at any time for any reason.

As a remote company, Redflag utilizes E-Verify to electronically verify employment eligibility of new hires. Redflag is required to notify job applicants that the final candidate will be verified by comparing information provided on the I-9 form to records in the DHS and SSA databases.

*Redflag AI, Inc. is an EEO/AA/Disability/Vets Employer*

Original posting on Redflag's site ↗

Listed on hirly, a job board. hirly is not the employer: Redflag is hiring for this role.

Browse similar roles

Want this one?

Upload your resume and hirly rewrites it for this job and writes the cover letter — in about thirty seconds, before you sign up.

Tailor my resume for this job