Senior Full-Stack Engineer - Remote | Python & APIs

mercor; San Francisco (CA); Hybrid; GBP 83,000 - 135,000; Full time

Job summary

Mercor is seeking a Senior Software Engineer expert for a remote contract role. You will design, develop, and maintain full‑stack applications using Python, while building APIs and MCP‑based systems. You will collaborate with engineering and product teams to improve scalability and performance.

The role requires production‑grade deliverables, strong problem solving, and excellent communication. This contract offers remote work with competitive hourly compensation and ongoing project

Qualifications

• Multiple years of experience as a Full Stack Developer.
• Strong proficiency in Python.
• Experience with MCP and API development.
• Ability to work at least 8 hours per day.
• Experience building and maintaining production-grade applications.
• Strong problem-solving and communication skills.

Responsibilities

• Design, develop, and maintain full-stack applications using Python.
• Build and integrate APIs and MCP-based systems.
• Collaborate closely with engineering and product teams to enhance system scalability.
• Write clean, scalable, and production-ready code for robust application performance.
• Troubleshoot, optimize, and improve application performance.
• Participate in architecture and technical design discussions to drive innovation.

Skills

Full stack development

Python

API development

Problem solving

Communication

Tools

MCP

Job description

Mercor is seeking a Senior Software Engineer expert for a remote contract role. You will design, develop, and maintain full‑stack applications using Python, while building APIs and MCP‑based systems. You will collaborate with engineering and product teams to improve scalability and performance.

The role requires production‑grade deliverables, strong problem solving, and excellent communication. This contract offers remote work with competitive hourly compensation and ongoing project