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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

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

Location

Serbia

Posted

94 days ago

Salary

0

Seniority

Senior

Job Description

Senior Python Developer

Provectus

• Build and optimize RESTful APIs and servers using frameworks such as FastAPI, Django REST, or Flask. • 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;**
  • Solid understanding of OOP, design patterns, and clean architecture;
  • Experience building RESTful APIs with FastAPI, Django REST, or Flask;
  • Experience with LLM APIs** (OpenAI, Anthropic, or AWS Bedrock);
  • Experience building RAG systems;**
  • Proficiency with AI-assisted development (Claude Code, Cursor, Copilot);**
  • Experience with Docker and Kubernetes;
  • Understanding of microservices and event-driven architectures;
  • Experience with AWS (Lambda, ECS, Bedrock, S3, SQS);
  • Proficiency with SQL (Postgres), NoSQL (DynamoDB, Redis), and vector databases;
  • Strong testing practices: pytest, mocking, integration tests for AI systems;
  • Experience with observability tools (OpenTelemetry, structured logging);
  • English: Upper-Intermediate or higher;
  • Excellent communication and problem-solving skills.
  • Nice to Have:**
  • Experience with agentic frameworks (LangChain, LlamaIndex, LangGraph, OpenAI Agents SDK);
  • Familiarity with prompt engineering and management at scale;
  • Experience with LLM evaluation frameworks (RAGAS, custom metrics, deepeval);
  • Experience with Streamlit or Gradio for AI prototyping;
  • Modern Python tooling (ruff, uv, pyproject.toml, pyright);
  • CI/CD pipeline experience (GitHub Actions, GitLab CI);
  • Experience in another language (Go, Node.js, 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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