Senior Frontend Engineer, CTV – Smart TV

Titan OS

Senior Frontend Engineer shaping the architectural framework of applications for Smart TV platforms. Collaborating within a hybrid team to deliver impactful features in a growing CTV industry.

Posted 7/29/2026full-timeBarcelona • 🇪🇸 SpainSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in JavaScript development with React, focusing on web application architecture and coding standards. Proficient in delivering features for Smart TV platforms while ensuring adherence to agile methodologies and best practices.

Highest-signal resume keywords

JavaScript DevelopmentReact FrameworkHTML5CSSCypress Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScript DevelopmentReact FrameworkHTML5CSSCypress TestingRESTful API ConsumptionSOLID PrinciplesSoftware ArchitectureAgile DevelopmentClean Code Practices

Soft Skills

Effective CommunicationTeam CollaborationCode Review

Tools & Technologies

CypressHTML5 Video PlayerHLS.jsShaka PlayerAds Platforms Integration

Industry Keywords

Smart TV PlatformsSoftware Development ProcessesSLAsKPIsWeb Application Development

Tech Stack

Tools & technologies

CypressJavaScriptReact

About the role

Key responsibilities & impact

Improve architecture and coding standards in the frontend
Ensure projects are delivered on time and developers are working effectively
Participate and assist in setting the long-term direction, roadmaps, and standards for the web app
Design, code, test, maintain and deliver features of the web app
Follow the processes for software development and documentation
Conduct code reviews of work done by other engineers in the team
Work with backend engineers, product managers, and UX designers to deliver new features
Establish and track SLAs (internal and external), KPIs, and team objectives

Requirements

What you’ll need

7+ years of relevant experience as a JavaScript developer with React
Proven experience developing web applications for Smart TV platforms
Expertise in HTML5, CSS
Experience with Cypress
Experience consuming RESTful APIs
Knowledge of computer science fundamentals and a strong understanding of SOLID principles and software architecture best practices
Love for writing clean, modular code in a fast-paced, agile development model
Nice to have: Experience with the HTML5 video player and other players (HLS.js, Shaka Player)
Experience integrating Ads platforms (VAST)

Benefits

Comp & perks

Hybrid position
Centrally located office in the heart of Barcelona, with public transportation nearby
Competitive compensation
Private health insurance
Friendly, diverse, and international work environment
Opportunity to work outside of your comfort zone and develop professionally in an exciting and fast-growing CTV industry.
Change the future of TV! A unique opportunity to join a well-funded, high-growth company in the early stages to help shape a product/business that will impact millions.