Senior Technical Developer

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AI AcquisitionEnterprise software
Philippines. Poland. Romania, EST/CSTContractSenior
Salary not disclosed
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Job Details

Languages
Excellent written English communication skills
Experience
3+ years of production experience
Required Skills
PostgreSQLPythonSQLGitMachine LearningTypeScriptNext.jsReact

Requirements

  • 3+ years of production experience with strict TypeScript/JavaScript (generics, type inference, discriminated unions).
  • Production React experience with clear ownership over shipping and maintaining real, live web applications.
  • Next.js App Router literacy, demonstrating deep familiarity with server vs. client components, middleware, and route handlers.
  • SQL Fluency with raw PostgreSQL; zero dependency on an ORM.
  • Python proficiency explicitly tied to data preparation, training, and evaluation for machine learning pipelines.
  • Strict Git workflow discipline, maintaining clean commits and structural code review habits.
  • Familiarity or deep learning trajectory inside ML infrastructure frameworks.
  • Strong independent research skills to learn unfamiliar technical stacks and domains.
  • Excellent written English communication skills for documentation and code reviews.
  • High technical agency to fill gaps in ambiguous briefs and propose fallback paths.
  • Meticulous attention to detail and ability to test own edge cases.

Responsibilities

  • Act as the primary implementation partner working directly in a production codebase.
  • Own the building, engineering, and feature deployment of full-stack system features.
  • Design, implement, and submit clean Pull Requests (PRs) for review.
  • Build and maintain robust machine learning pipelines, covering training data preparation, fine-tuning scripts, and system evaluations.
  • Write complex raw PostgreSQL database schemas, queries (CTEs, window functions), and data migrations.
  • Develop, scale, and optimize high-throughput model inference steps and custom voice pipelines (STT/TTS).
  • Decompose feature briefs, propose structural technical architectures, and autonomously resolve backend production bugs.
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