Backend Developer (Ruby on Rails/Python)
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
* 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
* 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)
* 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.
Software Engineer – Olly Olly
About Olly Olly
Sorriso, Mato Grosso Olly Olly
*Available in all of Latin America. Given that this position requires English proficiency, we are only considering CVs provided in English. Thank you, and we look forward to your submission!*
About Olly Olly
Ready to roll up your sleeves and help transform local marketing forever? At Olly Olly, we’re blending technology and real-world expertise to empower businesses across the U.S. like never before.
We believe small businesses are the backbone of our economy. That’s why we’re on a mission to provide them with tools, strategies, and insights that help them rank higher, generate high-quality leads, get calls and reviews, and, above all, grow sustainably without the hassle.
The Olly Olly platform complements our hands-on service perfectly: it’s no-nonsense, easy-to-use software that helps local businesses streamline operations and contact management, drive leads, stabilize cash flow, and maximize revenue with minimal effort so they can reclaim their time to focus on what they do best.
Software Engineer
Full Stack Engineer
Working Model: Fully Remote Position
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