React Software Engineer

Wizeline

. Develop cutting-edge, AI-powered digital products and platforms for clients .

Posted 10/6/2026full-timeBarcelona • SpainMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in developing AI-powered digital products using a diverse technology stack, including React, Next.js, Node.js, and GraphQL. Strong focus on writing clean, well-documented code and selecting appropriate technology stacks for various projects.

Highest-signal resume keywords

React DevelopmentNode.js DevelopmentGraphQL API SolutionsC# and Microsoft .NETObject-Oriented Programming (OOP)

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

ReactNext.jsHTML5CSS3JavaScriptNode.jsGraphQLC#Microsoft .NETObject-Oriented Programming (OOP)

Soft Skills

Strong Communication Skills

Tools & Technologies

ArtifactoryAI Tools

Certifications & Qualifications

BS/MS in Computer ScienceEngineering

Industry Keywords

Web Application StacksAgile EnvironmentsWeb DesignUX FundamentalsAccessibility Principles

Tech Stack

Tools & technologies

GraphQLJavaScriptNext.jsNode.jsReact.NET

About the role

Key responsibilities & impact

Develop cutting-edge, AI-powered digital products and platforms for clients
Apply frontend expertise using React, Next.js, HTML5, CSS3, JavaScript, and Emotion
Build backend and API solutions with Node.js and GraphQL, with C# and Microsoft .NET
Manage dependencies and artifacts using Artifactory
Work across varied technology stacks and architecture patterns
Write clean, tested, and well-documented code
Select appropriate technology stacks for each project
Leverage AI tools to optimize and augment day-to-day work and streamline workflows (nice-to-have)
Collaborate with clients and global teams

Requirements

What you’ll need

Strong knowledge of Object-Oriented Programming (OOP) principles
Hands-on experience with React, Next.js, HTML5, CSS3, JavaScript, and styling using Emotion
Proven experience with Node.js and GraphQL
Working knowledge of C# and Microsoft .NET
Familiarity with Artifactory for dependency and artifact management
Adaptability to work across varied tech stacks and architecture patterns
Strong focus on writing clean, tested, and well-documented code
Strong architecture skills, with the ability to select the best stack for each project
Strong communication skills in English
Experience in one or more commonly used web application stacks
Experience with AI tools for drafting, analysis, research, or process automation (nice-to-have)
BS/MS in Computer Science, Engineering, or a related subject (nice-to-have)
Experience working directly with clients (nice-to-have)
Hands-on knowledge of Agile environments (nice-to-have)
Experience with current web standards, including HTML5 and CSS3 (nice-to-have)
Knowledge of web design, UX fundamentals, and accessibility principles (nice-to-have)
Holistic web-stack experience, including protocols and web-server optimization techniques (nice-to-have)
Shareable code repository showcasing open-source contributions (a plus)

Benefits

Comp & perks

Competitive compensation & total rewards
Health benefits & wellness programs
Savings & retirement plans
Global mobility opportunities
Flexible work policy and remote-friendly approach
Happy hours, gaming tournaments, sports activities & more
Continuous learning & training programs with WizeAcademy
Free certifications in cloud technologies and coding languages