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Senior Full Stack Engineer

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South Geeks

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IT - Software Development

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Job Description:

We’re seeking a highly independent Senior Full Stack Engineer to design and deliver core functionality for a large-scale web application built with React/TypeScript, Python/FastAPI, and PostgreSQL. This role is ideal for someone who excels at architectural planning, anticipates downstream impact, and thrives in an environment where alignment and communication are essential. You’ll join two other senior engineers, each owning substantial parallel features, and contribute to a fast-moving team with high expectations for clarity, initiative, and iterative delivery.

Job Responsibility:

  • Lead architectural planning, create technical proposals, and secure alignment with other senior engineers before implementation
  • Architect, design, and implement full-stack features across React/TypeScript, FastAPI, and PostgreSQL
  • Develop and maintain complex UI components, including CKEditor integrations and DocX formatting workflows
  • Build and optimize a multi-LLM orchestration layer that triggers hundreds of model calls per operation
  • Work with a sophisticated AI layer using multiple LLM orchestrations, not just single-call ChatGPT wrappers
  • Break down work into GitHub issues, maintain transparent progress, and ship verifiable features weekly

Requirements:

  • Advanced proficiency in React/TypeScript, Python/FastAPI, and PostgreSQL
  • Proven ability to architect systems, document plans, and communicate technical decisions clearly
  • Experience integrating or orchestrating LLM APIs (OpenAI, Anthropic, etc.)
  • Experience with CKEditor and document manipulation workflows
  • Excellent communication, planning, and independent execution skills

Nice to have:

  • Experience with data-heavy or document-heavy platforms
  • Background with AI workflow automation beyond basic chat interfaces
What we offer:
  • Long-term projects
  • 100% remote work
  • Payment in USD
  • Paid Time Off (PTO)
  • Work-from-home & training reimbursement
  • English lessons
  • Technical training
  • Career coaching

Additional Information:

Job Posted:
February 21, 2026

Employment Type:
Fulltime
Work Type:
Remote work
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