Backend Developer

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 careers@thinkdirtyapp.com 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.