Product-Focused Full-Stack Tech Lead

Thermosphr EO Solutions GmbH; Paris; Hybride; EUR 110 000 - 150 000; Plein temps

Résumé du poste

Thermosphr EO Solutions GmbH in Paris is seeking a senior engineering lead who will remain hands-on while guiding the platform's direction. You report to the CTO and work with two senior engineers, owning production services in a hybrid Paris-based role.

You will balance roughly 60% hands-on development with 40% lead responsibilities, shaping architecture, and aligning technical work with business goals.

Qualifications

• Fluent English (C1/C2) required; strong product judgment and ability to defend and drop requests.
• Senior experience leading backend systems in production, including tech lead responsibilities.
• Excellent frontend capability to ship end-to-end features without waiting for others.
• Proficient Python 3.12+; production-grade code in distributed environments.
• Experience with GCP/AWS or willingness to learn quickly; analytics and critical thinking.
• Familiar with AI-assisted coding tools and evaluate AI-generated code critically.
• Entrepreneurial mindset; comfortable with ambiguity and owning outcomes.

Responsabilités

• Build approximately 60%: implement, maintain, and improve a robust backend and cloud infrastructure; own architecture end-to-end from prototype to production; ensure real-time data flow with monitoring and alerting; reduce technical debt and consolidate the platform.
• Lead and align approximately 40%: translate business priorities into technical work; contribute to product direction; grow the team by defining needs and conducting tech interviews.

Connaissances

English fluency

Product judgment

Senior-level experience

Frontend experience

Python 3.12+

Cloud (GCP/AWS)

Analytical thinking

Responsibility

AI-assisted coding tools

Die-and-retry philosophy

Production-grade code

Distributed environment

Entrepreneurial mindset

IoT / MQTT familiarity

Full-stack capabilities

Terraform (IaC)

Outils

Claude Code

Terraform

Description du poste

Thermosphr EO Solutions GmbH in Paris is seeking a senior engineering lead who will remain hands-on while guiding the platform's direction. You report to the CTO and work with two senior engineers, owning production services in a hybrid Paris-based role.

You will balance roughly 60% hands-on development with 40% lead responsibilities, shaping architecture, and aligning technical work with business goals.