DevJobs

Junior Data Analyst

Overview
Skills
  • SQL SQL
  • Python Python
  • Matplotlib Matplotlib
  • Numpy Numpy
  • Pandas Pandas
  • technical prompts
  • Excel
  • GenAI
  • statistics
  • tooling concepts
  • agent concepts
  • reasoning frameworks
  • RAG
  • MCP
  • LLMs
  • APIs
  • AI concepts

We are looking for a talented, curious, and detail-oriented Data Analyst to join our team. This role is ideal for someone who thrives on complex challenges, enjoys working with complex large-scale datasets, and takes true ownership of turning raw data into high-quality, reliable insights.

What You'll Do:

  • Data Analysis & Noise Detection: analyze large-scale sensor datasets to detect, classify, and isolate noise
  • Pattern Recognition & Quality Control: Identify recurring noise patterns and develop scalable, rule-based logic to reduce manual validation.
  • Reporting & Visualization:build dashboards and recurring reports to track data quality, system performance, and noise trends.
  • Cross-Platform Data Integration: work with APIs and client environments to extract, unify, and ensure consistency across multiple data sources.

Requirements

Our Tech Stack & Requirements

  • Python for data analysis and visualization (pandas, numpy, matplotlib)
  • Strong Excel skills
  • SQL (joins, subqueries; complex querying)
  • APIs and multi-environment data work (advantage)
  • Solid understanding of statistics and analytical methodologies
  • Practical GenAI usage in daily work, with strong validation habits
  • Ability to write technical prompts (clear inputs/outputs, constraints, examples)
  • Basic familiarity with AI concepts (LLMs, context, hallucinations)
  • Familiarity with agent/tooling concepts (e.g., MCP, RAG / reasoning frameworks)

Soft Skills

  • Independent, self-driven, fast learner
  • Strong analytical thinking and problem-solving
  • Excellent written and verbal communication (English)
  • Background in intelligence / multidisciplinary analysis (advantage)

Join us to take full ownership of our data quality and play a key role in shaping how we leverage AI to drive insights.

Rayzone Group