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LABHOUSE

Staff Software Engineer

LABHOUSE

Staff Software Engineer tackling complex technical challenges at an AI-powered mobile app startup in Barcelona. Leading projects and improving product performance with a focus on user experience.

Posted 7/28/2026full-timeBarcelona • 🇪🇸 SpainLeadWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in building scalable and reliable systems while effectively transitioning between architecture and hands-on coding. Proven ability to tackle complex technical challenges and improve app performance for millions of users.

Highest-signal resume keywords
Hands-On Engineering LeadershipProduct Development ExperienceApp Performance ImprovementInfrastructure MigrationTechnical Problem Solving

ATS Keywords

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Hard Skills
Computer Science DegreeTelecommunications Engineering DegreeProduct LaunchingSystem ArchitecturePerformance OptimizationInfrastructure RedesignFlutterDartTypeScriptSQL
Soft Skills
OwnershipSpeedCollaboration
Tools & Technologies
GCP

Tech Stack

Tools & technologies
DartFlutterGoogle Cloud PlatformSQLTypeScript

About the role

Key responsibilities & impact
  • Help tackle the next stage of growth as a hands-on engineering leader with strong technical depth.
  • Work directly with the CTO and own the most complex technical challenges in the company.
  • Transition from architecture discussions in the morning to shipping code in the afternoon.
  • Build scalable and reliable systems, raising the bar across the engineering team.
  • Operate in an environment with complex challenges, enjoying ownership and speed.

Requirements

What you’ll need
  • Degree in Computer Science, Telecommunications Engineering, or a related technical field.
  • Proven experience building and launching entirely new products
  • Creating engineering systems that allow us to move faster and scale without increasing complexity.
  • Hands-on experience improving app performance and reliability across millions of users.
  • Capable of solving the most complex technical challenges in our systems.
  • Experience migrating critical infrastructure and redesigning core platform services.
  • Experience with a range of different technologies. Today, that includes technologies such as Flutter, Dart, TypeScript, GCP, SQL, but we don't hire based on specific frameworks. We hire people who can learn quickly and figure things out.
  • Good level of spoken and written English.

Benefits

Comp & perks
  • 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.
  • Flexible working hours.
  • Competitive compensation
  • High-end equipment for your development.
  • 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.