Lead Flutter Developer

LABHOUSE; España; Híbrido; EUR 90.000 - 130.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Remote work across Spain

Office Barcelona (2 days/week)

Competitive compensation

Permanent contract

Growth opportunities

AI integration projects

Descripción de la vacante

Labhouse, Barcelona-based startup building AI and productivity apps, is seeking a Lead Mobile Developer to own the end-to-end product lifecycle—from architecture to deployment.

You will define technical guidelines, mentor junior developers, and ensure scalable, high-performance apps. The role includes integrating AI models via APIs and collaborating with design, product, and marketing teams.

Remote work across Spain is available; Barcelona office option two days a week.

Formación

• Bachelor's degree in Computer Science, Engineering, or a related field.
• Strong knowledge of Flutter and Dart for mobile app development.
• Experience with AWS and/or GCP, including deployment and scalability.
• Familiarity with Firebase services (Firestore, Auth, Storage, Functions).
• Experience designing architectures and evaluating tech approaches for products.
• Proven leadership or mentoring experience in development teams.
• Excellent English communication and cross-functional collaboration.

Responsabilidades

• Own end-to-end mobile product development lifecycle from architecture to deployment.
• Define technical guidelines and coding standards for scalable apps.
• Mentor junior developers and grow the engineering team.
• Integrate AI models into apps via APIs and ensure performance and reliability.
• Collaborate with design, product, and marketing across multiple projects.

Conocimientos

Leadership & mentoring

Agile / Scrum

Product-focused mindset

Problem solving

Communication

Self-driven

Educación

Bachelor's degree in Computer Science/Engineering

Herramientas

Flutter

Dart

AWS/GCP

Firebase

APIs

Architecture design

TypeScript/Python/Node.js

Descripción del empleo

Labhouse is a fast-growing startup that builds, launches, and scales its own AI & Productivity Apps, operating under a subscription-based business model.

Based in Barcelona, Labhouse was founded by Andrés Bou and Horacio Martos (Co-Founders of SocialPoint).

We operate at the intersection of mobile technology, AI, and product-driven growth, with a strong focus on experimentation and performance.

Would you like to make an impact as part of a company that builds the best mobile apps used by millions of users worldwide? If so, discover your next challenge below.

The Role

We are looking for an experienced and driven Lead Mobile Developer who will play a pivotal role in our development team. As a lead, you will take ownership of the end-to-end product lifecycle, from architecture design to deployment. You will define technical guidelines, mentor junior developers, and ensure that our apps are built on scalable, efficient, and innovative architectures.

In this role, you will also have the exciting opportunity to integrate AI models into our new apps through APIs, pushing the boundaries of what our products can achieve.

What are we looking for

• Academic background:
• Degree in Computer Science, Telecommunications Engineering, or a related technical field.
• Technical expertise:
• Strong knowledge of Flutter and Dart, with proven experience in building and maintaining mobile apps.
• Solid understanding of infrastructure with AWS and/or GCP, including architecture design, deployment, and scalability.
• Experience working with and managing diverse architectures, with the ability to evaluate and implement the most suitable approach for each product.
• Knowledge of Firebase services (Firestore, Authentication, Storage, Functions) and familiarity with API integrations.
• Ability to define and implement coding standards, best practices, and scalable architectures.
• High agility and ability to implement changes in the app very quickly, adapting to product needs with speed and precision.
• Proven experience leading or mentoring development teams.
• Ability to guide and upskill junior developers, fostering their growth and performance.
• Strong organizational and project management skills to ensure deadlines are met without compromising quality.
• Problem-solving and product focus:
• Excellent problem-solving and analytical skills, with the ability to resolve complex technical challenges.
• Eye for detail and a product-first mindset, with a passion for creating exceptional user experiences.
• Self-driven, entrepreneurial attitude with the ability to work autonomously and take ownership of projects.
• Communication:
• Good level of spoken and written English.
• Ability to collaborate effectively with cross-functional teams, including design, product, and marketing.

Nice to have

• Experience in integrating AI models into mobile applications.
• Knowledge of backend technologies (e.g., Typescript, Python, Node.js, Java).
• Experience launching personal or side projects, especially apps.
• Native iOS development experience is highly valued.

What we Offer:

• Remote work from anywhere in Spain. If you are based in Barcelona, we would love for you to join us at the office (Barcelona Tech City) at least two days a week.
• Competitive compensation
• Permanent contract with competitive compensation.
• A young and top entrepreneurial team in a dynamic startup environment.
• Opportunity to lead, grow, and take on big challenges.
• Work with cutting-edge technologies, including the chance to integrate AI models into new apps.

The Recruitment Process:

• Initial Interview: Meet with our Talent Acquisition Lead to discuss your background and fit for the role. We’ll also ask you to share your proudest projects – not the code, but the visual side of the apps: links, screenshots, or demo videos that show what you've built.
• Hiring Manager Interview: A deep dive into your experience and leadership capabilities.
• Technical Assessment: Showcase your expertise through a practical task.
• Final Interview: A conversation with our leadership team to align on vision and expectations.
• Offer: Join our team and lead the development of our future‑shaping apps!

You should Know:

Labhouse is proud to be an equal-opportunity employer. However you identify or whatever your journey to this point, we welcome all candidates to apply for the position that inspires them.

Come join us and help us build a company that everyone is proud to be part of.