• Interacting with the Product Manager to review project specs
• Preparing integration plans, break-downs, and estimations
• Hands-on code implementation, PRs, code reviews, testing, etc.

Requirements

5+ years of experience as a back-end or full-stack software engineer - recent experience with Ruby-on-Rails is mandatory
In tech scale-ups or any similarly agile and fast-paced environment
On large-scale products where your code was used by thousands of monthly users
Strong communication & collaborative skills (perfectly fluent in English)
Ownership and commitment - we’re looking for owners, not renters
Doer mindset - we are moving fast and we need people who can find the right balance between software craftsmanship and velocity
User-centricity - you are proud of what you build and you share our obsession for amazing user experience
#NSFW - you are comfortable building products that are based on uncensored models and content
Bonus points: Past experience and/or interest in data science and generative AI (NLP, ML, MLOps…) - Experience working with globally distributed teams

🔍 ATS Optimization Keywords
Below are skills and terms extracted directly from this job posting to improve Applicant Tracking System (ATS) visibility. This unique feature helps candidates tailor their applications more effectively — a feature exclusive to JobTailor job listings.

Hard Skills

Ruby-on-Rails
back-end development
full-stack development
code implementation
code reviews
testing
integration planning
estimations
software craftsmanship
data science

Soft Skills

communication
collaboration
ownership
commitment
doer mindset
user-centricity
problem-solving
adaptability
teamwork
fast-paced environment

Senior Ruby-on-Rails Engineer

Senior Backend Engineer