Senior Software Engineer – Vanilla JavaScript, WebGL
Voovio
full-time
Posted on:
Location Type: Remote
Location: Spain
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Salary
💰 €60,000 per year
Job Level
About the role
- Lead the design, development, and optimization of our proprietary JavaScript-based front-end library.
- Collaborate with cross-functional teams to define requirements and deliver new features.
- Write and maintain efficient, clean and reusable code with minimal external dependencies.
- Ensure high performance and compatibility across different browsers and devices.
- Develop interactive 3D experiences using WebGL where applicable.
Requirements
- University degree in Computer Science, Engineering, Mathematics, or related field
- At least 5 years of professional software development experience
- Deep expertise in vanilla JavaScript, HTML5, and CSS
- Experience building complex browser-based tools or libraries from scratch
- Strong understanding of web technologies, browser behavior, performance, and layout/rendering
- Solid mathematical foundation (e.g., geometry, linear algebra) and familiarity with WebGL is a plus
- Excellent communication and collaboration skills
- English level B2 or higher.
- Must reside in Spain and be legally authorized to work here
Benefits
- 100% remote work from anywhere in Spain
- Flexible hours (8-hour workday; 7 hours in August)
- Competitive salary
- Optional benefits including restaurant vouchers, Caser Seguros discounts, etc.
- Autonomy to lead technical design on complex systems
- Ongoing learning and personal development support
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
JavaScriptHTML5CSSWebGLsoftware developmentbrowser-based toolsperformance optimizationclean codemathematicscross-functional collaboration
Soft Skills
communicationcollaboration
Certifications
University degree in Computer ScienceUniversity degree in EngineeringUniversity degree in Mathematics