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About the Role

Ouihelp is tackling a significant societal challenge: enabling 2 million French citizens with reduced autonomy to live in the best possible conditions for as long as possible in their chosen home. By leveraging new technologies, we help families easily find personalized, high-quality home care solutions while enhancing the role of care assistants. Launched in 2016, Ouihelp has grown to over 500 employees, 10,000 care assistants, and 20,000 beneficiaries across 100 French cities. We are seeking a passionate and ambitious Senior Software Engineer to join our core team, driving strategic initiatives essential for accelerating our growth and the success of this human adventure.

Responsibilities

Be the expert in your domain: elevate the team's level, maintain healthy tension with product, and embody change, leveraging AI for productivity and quality.
Propose and deliver pragmatic solutions to your tribe's strategic problems, ensuring stability, quality, and performance of your domain, while disseminating practices (lean, AI-first).
Deliver critical projects without delays, with measurable business impact.
Maintain or improve the technical health of your domain (p95, error rate, bug count).
Define and disseminate AI usage standards within the tribe.
Take technical ownership of your domain, intervening in all tribe projects, reviewing architectures, and anticipating future needs.
Propose and lead strategic refactors with justified ROI.
Be responsible as a lead for system stability, quality, and performance (SLOs, p95, bug rate, error rate) and proactively alert at the slightest degradation.
Manage technical crises as an owner, including post-mortems.
Mentor actively engineers in the team, particularly on AI and lean practices.
Maintain healthy tension with product (debt, delivery, bugs, improvements) by challenging with data.
Initiate and drive changes within the tribe, from initiative to adoption.
Act as a sparring partner for management and contribute to recruitment.
Evaluate and integrate AI tools into the stack (RAG, agents, MCP...).
Define AI development workflow standards for the tribe.
Deliver AI systems in production with defined quality metrics.

Requirements

Minimum 5 years of experience.
Career path level: Senior → Senior 2 → Staff or EM.
System design & architecture: design robust and scalable solutions, review tribe architectures, and anticipate future needs with informed trade-offs.
Technical leadership & mentoring: elevate the team's level, mentor IC2/IC3, and grow engineers through reviews, pairing, and coaching.
AI fluency & practice: concrete mastery of working with LLMs (agents, models, harness, loops, context engineering). Integrate AI into the stack and define tribe usage standards.
Product builder: think in terms of user value and business impact, not just code. Know how to make trade-offs, ship, and iterate quickly on what matters.
Code: exemplary code, rarely a source of bugs, with a keen sense of quality, performance, and execution pragmatism.
Growth mindset: continuous learning, seeking feedback, self-questioning, and rapid progress, especially in rapidly evolving technologies and practices.
Extreme ownership: own the technical health of your domain, do not delegate vigilance on quality and performance, and do not abandon a subject until it is resolved.
Change promoter: do not just endure change, propose and drive it. Champion collective decisions until adoption.
Pragmatic: seek real impact rather than theoretical perfection, make informed compromises, and document decisions.
Enthusiastic: embody and promote positive energy and collective momentum, engage the team in change.

Skills

Python (SQLAlchemy, Flask, asyncio)
TypeScript
React & React Native
PostgreSQL & Redis
Docker & Kubernetes
AWS
AI (RAG, agents, models, harness, loops, context engineering)
System design & architecture
Technical leadership & mentoring
Product building
Code quality & performance
Growth mindset
Extreme ownership
Change management
Pragmatism
Enthusiasm

Location

Remote (France)

Work Type

Hybrid (minimum 3 days/week)

Experience Level

Senior

Salary/Compensations

Starting from €65k depending on experience

Benefits

80% paid health insurance
Claude code max offered

About the Company

Ouihelp addresses a significant societal challenge: enabling 2 million French citizens with reduced autonomy to live in the best possible conditions for as long as possible in their chosen home.
Launched in 2016, Ouihelp has over 500 employees, 10,000 care assistants, and 20,000 beneficiaries across 100 French cities.
We are a profitable, growing company.
We are undergoing an AI transformation and seek someone to define and disseminate real AI usage standards.
Strong fit with Staff and management to co-build the tech vision.