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Sr Software Engineer

$30 - $120/hr Worldwide Remote · worldwide coding Contract / freelance
Pay rate · $30 - $120/hr
  • Job Description
  • Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Key Responsibilities

  • Design, develop, and maintain scalable software applications using JavaScript, JAVA, and Python.
  • Collaborate with cross-functional teams to architect and implement high-quality software solutions.
  • Review code, mentor junior developers, and ensure adherence to best engineering practices.
  • Troubleshoot, debug, and optimize existing systems for performance and reliability.
  • Write comprehensive unit and integration tests to guarantee code quality.
  • Participate actively in agile development processes and contribute to sprint planning, estimations, and retrospectives.
  • Communicate complex technical concepts clearly and effectively, both in writing and verbally.

Required Skills and Qualifications

  • Expert-level proficiency in JavaScript, JAVA, and Python programming languages.
  • Demonstrated experience in architecting and deploying scalable software systems.
  • Strong understanding of software design principles, algorithms, and data structures.
  • Outstanding written and verbal communication skills, with an emphasis on clarity and collaboration.
  • Proven track record of working productively in remote teams and distributed environments.
  • Ability to lead technical discussions and provide constructive feedback to peers.
  • Excellent problem-solving skills and attention to detail.

Preferred Qualifications

  • Experience mentoring and guiding software engineering teams.
  • Background in cloud-based architectures or distributed systems.
  • Familiarity with CI/CD pipelines and DevOps practices.
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