Backend Developer

Há 24 horas


Brazil Think Dirty® Tempo inteiro

Think Dirty is seeking a highly skilled and product-minded full stack developer to enhance, scale, and evolve the backend and user-facing layers of our mobile app. This role is ideal for someone who thrives in a fast-moving environment, is passionate about clean code, and is excited to explore the integration of AI tools into modern product development.

You’ll collaborate with a cross-functional team of engineers, designers, and product leaders to build scalable infrastructure, optimize data pipelines, and drive innovation using emerging AI technologies.


Key Responsibilities

  • Design, build, and maintain efficient, reusable, and reliable Ruby on Rails code across backend and full-stack systems
  • Build and maintain robust APIs (GraphQL/OpenAPI) to support our mobile and web applications
  • Explore and integrate AI tools (e.g., LLMs, vector search, embeddings, or GitHub Copilot) to accelerate product features and development workflow
  • Collaborate on architecture decisions, scaling infrastructure, and ensuring security best practices
  • Identify and eliminate performance bottlenecks, bugs, and inefficiencies
  • Contribute to mobile development support for native iOS and Android
  • Partner with front-end and product teams to ship clean, AI-augmented features users love
  • Participate in the entire development cycle from ideation to deployment
  • Log hours and tasks to support SR&ED compliance and project visibility


Qualifications

  • 5+ years of experience in backend API development using Ruby on Rails
  • Strong experience in full stack development (bonus: Python, TypeScript, JavaScript, Ember.js, React, Angular, or similar)
  • Proficiency with GraphQL, OpenAPI, and RESTful architectures
  • Advanced knowledge of Ruby 3, Rails 7, and PostgreSQL/MySQL
  • Experience deploying and maintaining apps on Heroku (or AWS/GCP equivalents)
  • Solid grasp of object-oriented programming, MVC, and ORM frameworks
  • Familiarity with AI APIs or tools (e.g., OpenAI, LangChain, Hugging Face) or a strong interest in learning
  • Working knowledge of DevOps, CI/CD pipelines, and cloud architecture
  • Strong experience in debugging, testing, and performance tuning
  • Comfort with code review, documentation, and collaborative engineering practices
  • Familiarity with Agile/Scrum workflows
  • Ability to communicate clearly with technical and non-technical stakeholders
  • Self-starter with a growth mindset and product ownership mentality


Bonus Points For

  • Previous experience integrating AI/ML models into consumer-facing products
  • Contributions to open-source projects or developer communities
  • Experience with microservices architecture or serverless patterns
  • Familiarity with SOC2, GDPR, or other compliance frameworks
  • Mobile development (native or hybrid frameworks)


Who You Are

  • You believe code should be clean, readable, and purposeful
  • You’re a curious builder who sees AI not as a threat but as a tool to amplify great engineering
  • You love collaborating with product, design, and marketing to create impact
  • You thrive in fast-paced startup environments and take initiative
  • You’re eager to experiment, ship fast, and iterate even faster


To Apply

Please email your application to with the subject line:

“AI-Augmented Full Stack Developer Application – (Your Name)”

Include the following:

  • First & Last Name
  • Email
  • Location (City)
  • Resume/CV
  • LinkedIn Profile
  • GitHub Profile (if available)
  • Plum.io profile (optional)
  • One sentence describing who you are
  • 50 words on why you want to work at Think Dirty
  • Desired Salary
  • Confirmation of legal work authorization


We look forward to building the future of clean beauty tech with you.



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