Lead Fullstack Engineer

🕒 March 17

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hallo theo

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2023

🏠 Real Estate

🏢 Enterprise

☁️ SaaS

Real Estate • Enterprise • SaaS

Hallo Theo is a digital property management company that aims to transform the residential and commercial property management experience. They focus on providing a transparent and efficient administration process for property owners, such as residential property associations (WEGs), family offices, and institutional investors. By leveraging modern technology, hallo theo enhances service delivery, reduces management complexities, and prioritizes customer satisfaction, ensuring a seamless experience for all stakeholders involved.

📋 Description

• Own the end-to-end delivery of features and services – from discovery and technical design through implementation, testing, rollout and monitoring in production. • Build and evolve reliable backend and frontend components (APIs, services, UIs) that integrate with our web tech stack and data layer. • Improve our architecture and codebase: refactor, define clear interfaces and keep our platform secure, observable and maintainable. • Collaborate closely with Product, Design and Operations to shape scope, break down complex problems and make pragmatic trade-offs between speed and quality. • Act as a technical sparring partner and mentor for other engineers, supporting good engineering practices and a healthy engineering culture.

🎯 Requirements

• 6–8 years of experience in software engineering, ideally in product-driven environments (startups, scale-ups or similar), with a strong track record in complex and uncertain projects. • Strong product mindset: you think in user journeys and outcomes, not just tickets, and you are comfortable making trade-offs under ambiguity. • Solid understanding of LLMs, RAG and current AI trends, and motivation to apply them pragmatically in a real product. • Proficient in at least one modern programming language and experienced in a web tech stack (e.g. Python and SQL, plus modern web frameworks and APIs). • Experience operating services in the cloud (e.g. AWS, GCP or Azure), including CI/CD, logging, monitoring and basic security practices. • Business-fluent German (C1 or higher) and strong English skills, as you’ll work with German-speaking stakeholders and an international team.

🏖️ Benefits

• Leadership Experience