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Provectus

We help businesses leverage cloud, data, and AI to reimagine the way they operate, compete, and deliver customer value.

Senior Python Developer – Back-end, AWS, RAG

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 501-1,000Since 2012H1B SponsorCompany SiteLinkedIn

Location

Serbia

Posted

54 days ago

Salary

0

Seniority

Senior

Job Description

Senior Python Developer – Back-end, AWS, RAG

Provectus

• Develop and maintain scalable Python applications. • Build and optimize RESTful APIs and servers using frameworks such as FastAPI, Django REST, or Flask. • Design and implement chatbot applications using generative AI technologies. • Implement and optimize Retrieval Augmented Generation (RAG) systems. • Profile and optimize Python code to enhance performance. • Collaborate with cross-functional teams, including ML engineers and product managers, to deliver high-quality products. • Write clean, maintainable, and well-documented code. • Stay updated with the latest developments in Python and AI technologies and propose innovative solutions.

Job Requirements

  • Strong proficiency in Python programming.
  • Solid understanding of object-oriented programming (OOP) and software design patterns.
  • Experience in building RESTful APIs and servers with frameworks like FastAPI, Django REST, or Flask.
  • Experience in building chatbot applications.
  • Experience with Docker for containerization and Kubernetes for orchestration.
  • Understanding of microservices architecture and related patterns.
  • Solid software engineering skills, with the ability to produce well-structured, maintainable code.
  • Experience with AWS and serverless computing.
  • Proficiency in both SQL and NoSQL databases, such as Postgres and DynamoDB.
  • Experience with unit testing and test-driven development.
  • Strong knowledge of testing frameworks like PyTest, UnitTest, or others.
  • English level — strong Intermediate or higher.
  • Excellent communication and problem-solving skills.
  • Nice to Have:
  • Experience with frameworks like Streamlit and/or Gradio.
  • Knowledge of generative AI and experience with Retrieval Augmented Generation (RAG) architectures.
  • Experience with CI/CD pipelines and automation.
  • Some hands-on production experience beyond the Python ecosystem — Node.js, Java, Scala, Go, Ruby, or Rust.

Benefits

  • Participate in internal training programs (Leadership, Public Speaking, etc.) with full support for AWS and other professional certifications.
  • Work with the latest AI tools, premium subscriptions, and the freedom to use them in your daily work.
  • Long-term B2B collaboration.
  • 100% remote — with flexible hours.
  • Collaboration with an international, cross-functional team.
  • Comprehensive private medical insurance or budget for your medical needs.
  • Paid sick leave, vacation, and public holidays.
  • Equipment and all the tech you need for comfortable, productive work.
  • Special gifts for weddings, childbirth, and other personal milestones.

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