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.