Staff React Engineer (TypeScript + AI Experience)

Wizeline; Barcelona; Híbrido; EUR 70.000 - 90.000; Jornada completa

Descripción de la vacante

A global AI-native technology solutions provider in Barcelona is seeking a skilled Lead Software Engineer specializing in React and TypeScript. The role entails leading the development of high-performance web applications, collaborating with AI experts, and mentoring engineers. Candidates must have extensive software development experience and a background in AI technologies. The position offers a flexible, hybrid work environment and a commitment to professional development.

Servicios

High-Impact Environment

Commitment to Professional Development

Flexible and Collaborative Culture

Global Opportunities

Vibrant Community

Total Rewards

Formación

• 8+ years of professional software development experience, with 5+ years in React and TypeScript.
• Proven experience in architecting enterprise-grade front-end applications.
• Advanced English level.

Responsabilidades

• Lead architecture, design, and development of high-performance web applications.
• Collaborate with AI engineers and product managers to deliver intelligent user experiences.
• Establish standards for code quality, performance, and testing.

Conocimientos

React

TypeScript

AI technologies

RESTful APIs

GraphQL

Professional software development

Mentoring

Performance optimization

Educación

Bachelor’s degree in Computer Science

Herramientas

Jest

React Testing Library

Cypress

Descripción del empleo

Barcelona

We are:

Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.

With the right people and the right ideas, there’s no limit to what we can achieve.

Sounds awesome, right? Now, let’s make sure you’re a good fit for the role:

Key Responsibilities

• Lead the architecture, design, and development of scalable, high-performance web applications using React and TypeScript.
• Define and execute the front-end technical strategy, ensuring scalability, performance, and alignment with product and AI goals.
• Collaborate closely with AI engineers, data scientists, designers, and product managers to deliver intelligent, data-driven user experiences.
• Integrate AI-powered components (e.g., chatbots, assistants, content generators, predictive UI) into modern web applications.
• Mentor other engineers, promoting excellence in coding practices, architecture decisions, and technical problem-solving.
• Establish and enforce standards for code quality, accessibility, performance optimization, and testing.
• Partner with backend and DevOps teams to optimize CI/CD pipelines and deployment processes.
• Continuously identify opportunities to use AI and automation to enhance both development workflows and end-user experiences.

Must-have Skills

• 8+ years of professional software development experience, with at least 5+ years specializing in React and TypeScript.
• Proven experience architecting and scaling enterprise-grade front-end applications.
• Knowledge of AI technologies and hands‑on experience integrating AI/ML models or APIs (e.g., OpenAI, Hugging Face, Vertex AI, Anthropic, or similar).
• Demonstrated ability to design and implement AI-enhanced interfaces that improve usability, personalization, or automation.
• Proficiency with testing frameworks (Jest, React Testing Library, Cypress) and performance profiling tools.
• Experience integrating RESTful and GraphQL APIs.
• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• Advanced English level, both written and verbal.
• Excellent communication, leadership, and mentoring skills.

Nice‑to‑have

• Familiarity with Next.js, Micro Frontends, and Server‑Side Rendering (SSR).
• Experience with cloud platforms (AWS, GCP, Azure) and infrastructure‑as‑code tools such as Terraform.
• Background in data visualization or AI‑driven UX design.
• Contributions to open‑source projects or active participation in tech communities.
• Experience leading distributed teams in agile environments.

What we offer

• High-Impact Environment— lead initiatives that shape AI‑driven digital platforms.
• Commitment to Professional Development— access to WizeAcademy programs and industry-recognized certifications.
• Flexible and Collaborative Culture— hybrid and remote‑friendly work options.
• Global Opportunities— collaborate with experts across multiple regions.
• Vibrant Community— hackathons, knowledge‑sharing sessions, and innovation events.
• Total Rewards— competitive compensation, wellness benefits, and savings plans.

Specific benefits are determined by employment type and location.