Location : Barcelona, Spain
Type : Hybrid (Remote + Onsite)
Note : Occasional travel to client offices in the UK and US may be required
Role Summary
We’re seeking an Engineering Lead to architect and deliver a multichannel flight loyalty experience system across mobile (Flutter) and web (React) platforms. This is a greenfield build, from discovery and system design to deployment and optimisation, with deep integration across multiple backend systems and loyalty services.
You’ll lead the technical strategy, hands-on development, and team coordination to create a seamless, scalable, and secure experience for millions of travellers.
Key Responsibilities
- Lead the end-to-end engineering lifecycle, from discovery workshops to production deployment
- Architect and implement mobile (Flutter) and web (React) applications with shared design principles and performance goals
- Design and integrate with multiple backend systems, including loyalty engines, CRM platforms, and airline APIs
- Own the AWS infrastructure strategy, including IAM, Lambda, API Gateway, S3, RDS, and monitoring
- Collaborate with Product, UX, and Strategy teams to translate business goals into technical requirements
- Establish and enforce coding standards, testing frameworks, and CI / CD pipelines
- Drive data integrity, security, and compliance across all touchpoints
- Mentor developers and foster a culture of technical excellence and autonomy
- Maintain a clear technical roadmap, balancing innovation with maintainability
Required Tech Stack & Skills
Proven experience leading full-stack development teams in multichannel environmentsDeep expertise in Flutter (mobile) and React (web)Strong backend knowledge : RESTful APIs, microservices, and system integration with loyalty platformsHands-on experience with AWS services and infrastructure-as-code (e.g., CloudFormation, Terraform)Familiarity with event-driven architectures, serverless functions, and secure data flowsExperience with technical discovery, stakeholder alignment, and documentation best practicesExcellent communication skills—able to translate technical concepts for cross-functional teamsPassion for user experience, performance optimisation, and clean architectureNice-to-Have Skills
Experience in travel tech, loyalty systems, or customer engagement platformsFamiliarity with GraphQL, Kafka, or real-time data pipelinesContributions to open-source or technical communitiesSoft Skills
Strong communicator able to simplify technical concepts for non-tech audiencesHigh accountability in collaborative, distributed teamsProactive in identifying blockers and proposing solutionsComfortable leading workshops and decision-making sessionsCurious, adaptable, and customer-experience orientedSome of the benefits you’ll enjoy working with us :
The chance to join an organisation with triple-digit growth that is changing the paradigm on how software products are built.
The opportunity to form part of an amazing, multicultural community of tech experts.
A highly competitive compensation package.
Medical insurance.
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