Lead Full Stack Developer - Blu Selection - Recruitment Agency (Palma)

Are you looking to take the technical lead on impactful digital projects within a global, fast-growing environment? Our client, an established American digital marketing agency with offices across the US, France, the Philippines, and New Zealand, is opening its new hub in Barcelona. They partner with top-tier international brands to deliver high-impact digital experiences through innovation, collaboration, and continuous growth.
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As one of the founding members of the Barcelona team, you will play a key role in shaping both the technical direction and the culture of the local office, while collaborating with teams across the globe.
Your responsibilities and impact as a Lead Full Stack Developer
Lead the design, development, and maintenance of scalable full-stack and backend systems across multiple client projects and internal platforms
Develop and maintain APIs and services using Java (Spring Boot / Java EE) and/or Node.Js (TypeScript)
Design and optimize relational database schemas (Oracle, MySQL, or PostgreSQL)
Oversee architecture and delivery across multiple web portals, APIs, and backend services (20+ repositories)
Implement and manage cloud infrastructure using AWS (Lambda, S3, API Gateway, RDS, etc.)
Build and maintain RESTful APIs and integrations with external customer systems
Drive the modernization of legacy applications and improve UI/UX across enterprise portals (React or Angular)
Support AI-driven features such as transcription, translation, and audio description enhancements
Ensure system performance, scalability, security, and reliability
Conduct code reviews, enforce engineering best practices, and mentor developers
Collaborate directly with product, operations, and clients for requirements, demos, and issue resolution
Skills, qualifications, and interests you need to succeed in this role
You have 8+ years of experience in full-stack development, including technical leadership
You have strong experience in Java (Spring Boot / Java EE) and/or Node.Js (TypeScript)
You are comfortable with React or Angular (TypeScript preferred)
You have strong knowledge of AWS cloud services (Lambda, S3, API Gateway, RDS, etc.)
You have solid experience with relational databases (Oracle, MySQL, or PostgreSQL)
You have a strong understanding of RESTful APIs, security best practices, and CI/CD pipelines
You have experience working in large-scale, multi-service environments
You are a strong communicator, comfortable interacting with both technical teams and clients
You are fluent in English;
xhfqzwm any additional language is a plus
Nice to have: serverless architecture, Docker, Infrastructure-as-Code (Terraform, CloudFormation), exposure to AI/ML or LLM-based features, media processing, or legacy system modernization
What's in it for you?
Permanent contract
Salary between 70-90k gross/year (depending on experience)
Hybrid model: based in Barcelona, with a mix of remote work and collaboration days
Flexible working culture with a strong focus on autonomy and trust (no micromanagement)
A founding role with real ownership and the opportunity to grow your leadership scope as the Barcelona hub expands
Work on diverse, high-impact projects with integral teams across the US, Europe, and APAC
A collaborative, empowering environment where you can innovate and continuously improve engineering practices
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