? Join Our Data Products and Machine Learning Development Remote Startup! ?

Mutt Data is a dynamic startup committed to crafting innovative systems using cutting-edge Big Data and Machine Learning technologies.

We’re looking for a Java Back End Developer Senior to help take our expertise to the next level. If you consider yourself a data nerd like us, we’d love to connect! ??

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? What We Do

- Leveraging our expertise, we build modern Machine Learning systems for demand planning and budget forecasting.
- Developing scalable data infrastructures, we enhance high-level decision-making, tailored to each client.
- Offering comprehensive Data Engineering and custom AI solutions, we optimize cloud-based systems.
- Using Generative AI, we help e-commerce platforms and retailers create higher-quality ads, faster.
- Building deep learning models, we enhance visual recognition and automation for various industries, improving product categorization, quality control, and information retrieval.

- Developing recommendation models, we personalize user experiences in e-commerce, streaming, and digital platforms, driving engagement and conversions.

? Our Partnerships

- Amazon Web Services
- Astronomer
- Databricks

? Our Values

- ? We are Data Nerds
- ? We are Open Team Players
- ? We Take Ownership
- ? We Have a Positive Mindset

? Curious about what we’re up to? Check out our case studies and dive into our blog post to learn more about our culture and the exciting projects we’re working on! ? Responsibilities ?

- Design and build backend services for reporting, dashboards, and analytics.




- Ensure high standards of code quality, scalability, reliability, and performance.
- Participate in architectural decisions and document technical designs.
- Collaborate with Product and Design to deliver high-impact features.
- Implement testing and monitoring to ensure production stability.
- Mentor engineers and contribute to improving backend development practices.

Required Skills ?

- 5+ years of experience in backend software engineering.
- Strong proficiency in Java and object-oriented programming.
- Advanced level of English.
- Experience designing scalable backend services, APIs, and data models.
- Experience working in product teams delivering features to external users.
- Strong problem-solving and communication skills.
- Experience with Git, CI/CD, and modern development workflows.

Nice to have ?

- Experience with AWS or cloud infrastructure.
- Experience with Python or Airflow.
- Knowledge of Docker and Kubernetes.
- Frontend experience with React or TypeScript.
- Familiarity with GraphQL, Terraform, or Temporal.

? Perks

- Remote-first culture – work from anywhere! ?
- AWS, DBT, Google Cloud, Azure & Databricks certifications fully covered
- In-Company English Lessons.
- Birthday off + an extra vacation week (Mutt Week! ?️)
- Referral bonuses – help us grow the team & get rewarded!
- Maslow: Monthly credits to spend in our benefits marketplace.
- ✈️?️ Annual Mutters' Trip – an unforgettable getaway with the team.
- ? Monthly Childcare Reimbursement – Because supporting families matters too

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📌 Java Back End Developer Senior (Argentina)
🏢 Muttdata
📍 Argentina