Onlano
Full Stack DevelopmentRemote

Senior Software Engineer

Mercor - Company

US, ๐Ÿ‡บ๐Ÿ‡ธ United StatesPart-time - Senior (4-7 years)0 applicantsCloses Aug 10, 2026

Salary

USD 96,968 - 96,968 / year

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Job description

Job details

  • Location: US
  • Work mode: Remote
  • Employment type: Part-time (Not an internship)
  • Salary: USD 96,968 per year

Role overview

Mercor is seeking a Senior Software Engineer to contribute to a high-urgency closed-source application development project. This role focuses on building scalable systems and training AI models, requiring a professional who can work independently across the entire stack to deliver high-quality software solutions.

Job details

This is a Part-time employment opportunity based in the US. The position is Remote, allowing for flexible collaboration. This is not an Internship. The offered salary for this role is 96,968 USD.

Responsibilities

  • Design, develop, and maintain robust full-stack applications for closed-source projects.
  • Build and integrate complex APIs and MCP-based systems to enhance functionality.
  • Contribute to the training and optimization of AI models to improve application intelligence.
  • Develop scalable backend architectures and responsive frontend interfaces.
  • Work independently to meet high-urgency project deadlines while maintaining code quality.

Requirements

  • Proven experience as a Senior Software Engineer with a strong full-stack portfolio.
  • Expertise in designing and implementing scalable system architectures.
  • Proficiency in backend languages and modern frontend frameworks.
  • Experience with API development and integration of third-party services.
  • Ability to work autonomously in a fast-paced, high-urgency environment.

Benefits

  • Competitive compensation package
  • Remote work flexibility
  • Opportunity to work on cutting-edge AI applications

Keywords

Full-stack DevelopmentAPI IntegrationScalable SystemsAI Model TrainingMCP SystemsBackend DevelopmentFrontend Development