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Xtn-78A0578 | Sr Rails Developer

KMC Solutions
On-site

Right now, our team is looking for a self-sufficient Senior Rails Developer/Architect who can do full stack work, translating business requests into technical requirements and taking them through implementation, testing and QA, deployment, and then collecting user feedback and iterating.

  • Work on real, shippable features from day one
  • Collaborate closely with product, design, and AI/infra teams
  • Gain exposure to intelligent automation, financial tooling, and creator commerce
  • Health Insurance/HMO 
  • Enjoy unlimited MadMax Coffee
  • Diverse learning & growth opportunities
  • Accessible Cloud HR platform (Sprout)
  • Above standard leaves
  • Build and maintain core Ruby on Rails services that power our smart payout and financial operations platform.
  • Collaborate with product and AI teams to prototype, train, and deploy LLM-driven capabilities.
  • Develop APIs and backend logic that securely handle creator and business financial data, ensuring compliance and scalability.
  • Own feature delivery end-to-end—from conception through deployment and iteration.
  • Translate business requests into technical solutions and manage the full development lifecycle, including testing, QA, and post-deployment feedback loops.
  • Stay current with LLM tools and frameworks (e.g., OpenAI, Anthropic, HuggingFace, LangChain) and bring those insights into production systems.
  • This position reports to the Director of Engineering but will work directly with our Technical Cofounder, Lead Data Scientist, Product & QA team members. 
  • 3+ years of professional experience in Ruby on Rails development
  • Experience with SQL and building applications from the ground up
  • Experience hosting Rails applications and handling DevOps tasks
  • Proficiency in integrating third-party tools with a Rails codebase, including REST, GraphQL, and OAuth strategies
  • Ability to pick up Jira tickets and take them from spec → PR → prod
  • Constantly identifying issues and making improvements to code for readability, reusability and performance without slowing down
  • Strong communicator who works well asynchronously but knows when to collaborate
  • Experience with API integrations, background jobs (Sidekiq), and Postgres
  • Knowledge of or experience with other parts of our tech stack is preferred, but we understand not every candidate will cover everything
  • Interest or experience in LLM integrations (OpenAI, Claude, LangChain, etc.) is a big bonus
  • Have excellent organization and communication skills 
  • Can be effective in managing multiple tasks or issues at once
  • Are proactive when it comes to learning new things and surfacing new ideas
  • Have the desire to find solutions, but also know when to ask for help
  • Are humble in conversation, but confident in your skills
  • You are a “doer” who is not afraid to roll up your sleeves and jump in to get the job done
  • Ability to be available and work within US business hours
    • 8:30am-5:30pm CST (US) // 9:30pm-6:30am PHT (PH)
  • College degree in a technical or related field
  • Proficiency with MacBook laptops MacOS
  • Proficiency with Google Suite (Gmail, Chat, Docs, Sheets)
  • Proficiency with Jira and GitHub