Python Tech Lead: Real-Time Data & Architecture

OpenSource; Greater London; On-site; GBP 90,000 - 140,000; Full time

Job summary

OpenSource in London is seeking a Tech Lead (Python) to shape architecture, mentor engineers, and drive engineering standards. The role blends hands-on coding with technical leadership to deliver high-quality software and real-world impact.

You will own design decisions, coordinate features across teams, and foster an outcome-driven, autonomous engineering culture with emphasis on observability and robust delivery.

Qualifications

• Strong software development background with deep Python expertise.
• Proven experience in a technical leadership or senior role guiding teams and architecture.
• Degree in Computer Science or a similar numerical subject.

Responsibilities

• Provide direction on architecture, design, and engineering best practices across the team.
• Build and guide the development of features aligned with business goals with high-quality, maintainable code.
• Mentor engineers, fostering growth and improving team capability.
• Oversee code reviews and testing practices to ensure strong engineering standards.
• Ensure system reliability in production, leading incident responses and long-term improvements.
• Work closely with engineering teams and stakeholders to design and deliver effective technical solutions.
• Out-of-hours support as part of a rotating schedule.

Skills

Python

Technical leadership

Architecture guidance

Mentorship

Decision making

Web-scraping / reverse-engineering

Education

Bachelor's degree in Computer Science

Tools

OpenTelemetry

Prometheus

Grafana

Zabbix

AWS

Job description

OpenSource in London is seeking a Tech Lead (Python) to shape architecture, mentor engineers, and drive engineering standards. The role blends hands-on coding with technical leadership to deliver high-quality software and real-world impact.

You will own design decisions, coordinate features across teams, and foster an outcome-driven, autonomous engineering culture with emphasis on observability and robust delivery.