Sr Desenvolvimento Backend Java .Net

Overview 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 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) 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. Overview of the role: At INDI, we’re passionate about empowering individuals and businesses worldwide. Our cutting-edge recruiters connect leading companies with top talent, fostering a dynamic environment where innovation thrives. Join us in shaping the future of work. Overview of the role: We are looking for Java Developers to join our Development team and participate in different projects made up of multicultural teams distributed throughout the world. We are looking for proactive people, team players passionate about programming in this language and oriented to provide the best experience to the end user. This is an excellent opportunity for those professionals looking to develop in one of the fastest growing companies in the industry! These developers will face numerous technical challenges, so they must use current technologies, get involved in the mobile world, web applications, devices, etc. Key responsibilities: Work with software development teams to gather requirements and ensure best practices are adhered. Design, Implement & Support solutions for application development, security, analytics and performance management. Conform to existing industry security coding standards adhering to fortify scan and other security tool review requirements. Conduct code reviews for junior members of the team and do peer code reviews to make sure code is following standards set forward by the architects. Run test scripts against code to ensure quality delivery. Resolve code issues with urgency. Requirements: 5 years of experience in Java. Experience in web application programming. Knowledge of Object Oriented Programming. Ability to work with relational and non-relational bases. Advanced English level. • Flexibility: Choose where and how you work for enhanced creativity and innovation. • Tailored Compensation: Personalize your earnings to suit your financial goals. • Tech-Driven Tools: Access cutting-edge resources for seamless collaboration and productivity. • Autonomous Workflow: Take control of your schedule to achieve work-life balance. • Well-being: Enjoy generous leave policies for rest and rejuvenation. • Diversity & Inclusion: Thrive in a diverse and inclusive environment. • Collaboration: Engage with industry leaders for collective growth. • Development: Access mentorship and growth opportunities for continuous advancement. If you are interested in being part of a team composed of the best professionals and working 100% goal-oriented in an innovative environment, but with the structure and resources of a multinational market leader, do not hesitate to apply! Today At INDI, we’re passionate about empowering individuals and businesses worldwide. Our cutting-edge recruiters connect leading companies with top talent, fostering a dynamic environment where innovation thrives. Join us in shaping the future of work. Overview of the role: We are looking for Junior Java Developer to join our Development team and participate in different projects made up of multicultural teams distributed throughout the world. We are looking for proactive people, team players passionate about programming in this language and oriented to provide the best experience to the end user. This is an excellent opportunity for those professionals looking to develop in one of the fastest-growing companies in the industry! These developers will face numerous technical challenges, so they must use current technologies, and get involved in the mobile world, web applications, devices, etc. Key responsibilities: Work with software development teams to gather requirements and ensure best practices are adhered. Design, Implement & Support solutions for application development, security, analytics, and performance management. Conform to existing industry security coding standards adhering to fortify scan and other security tool review requirements. Conduct code reviews for junior members of the team and do peer code reviews to make sure the code is following standards set forward by the architects. Run test scripts against code to ensure quality delivery. Resolve code issues with urgency. Requirements: 1 years of experience in Java. Experience in web application programming. Knowledge of Object Oriented Programming. Ability to work with relational and non-relational bases. Advanced English level. • Flexibility: Choose where and how you work for enhanced creativity and innovation. • Tailored Compensation: Personalize your earnings to suit your financial goals. • Tech-Driven Tools: Access cutting-edge resources for seamless collaboration and productivity. • Autonomous Workflow: Take control of your schedule to achieve work-life balance. • Well-being: Enjoy generous leave policies for rest and rejuvenation. • Diversity & Inclusion: Thrive in a diverse and inclusive environment. • Collaboration: Engage with industry leaders for collective growth. • Development: Access mentorship and growth opportunities for continuous advancement. If you are interested in being part of a team composed of the best professionals and working 100% goal-oriented in an innovative environment, but with the structure and resources of a multinational market leader, do not hesitate to apply! Senior Java Developer (EST hours) Notes: Please share CV in English language / EST working hours - 15:00 - 23:00 CET / notice period of 1.5 months or less / Experience with complex projects is a must) Project Description: An international Investment J-18808-Ljbffr

Location: Uberlândia, Minas Gerais, BR

Posted Date: 9/15/2025