Lead Python Engineer - Architect, Mentor, AI-Driven Systems

Justjoin; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Multisport card

Private healthcare

Autonomy over technical decisions

Shape technical solutions

Build and grow a new team

AI-assisted development workflows

Job summary

Justjoin is seeking an experienced Lead Software Engineer (Python) to own the technical development of new solutions and help build an engineering team. The role emphasizes ownership, autonomy, and accountability in delivering scalable systems.

You will lead design and architecture decisions, mentor junior engineers, and drive high-quality delivery while integrating AI tools into the development process. This is a senior, impactful opportunity.

Qualifications

• Several years of commercial software development experience with Python.
• Experience building complex, reliable, and mission-critical systems.
• Proven track record of contributing to challenging technology projects.
• Strong problem-solving skills and the ability to make independent technical decisions.
• Ownership, autonomy, and accountability.

Responsibilities

• Designing, developing, and maintaining reliable, scalable systems.
• Developing software using Python.
• Integrating new features into an existing codebase.
• Solving complex technical challenges and making architectural decisions.
• Ensuring the quality, performance, and reliability of developed solutions.
• Collaborating with QA and contributing to the growth of the engineering team.
• Supporting junior and mid-level engineers as the team grows.
• Effectively leveraging AI tools in the software development process while maintaining strong quality control.

Skills

Python

Go

Problem solving

Technical leadership

Mentoring

Distributed systems

AI in development

Autonomy

Tools

AI-assisted development workflows

Job description

Justjoin is seeking an experienced Lead Software Engineer (Python) to own the technical development of new solutions and help build an engineering team. The role emphasizes ownership, autonomy, and accountability in delivering scalable systems.

You will lead design and architecture decisions, mentor junior engineers, and drive high-quality delivery while integrating AI tools into the development process. This is a senior, impactful opportunity.