Senior Software Engineer (JavaScript, CSS, HTML5)

Job not on LinkedIn

August 3

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Logo of Voovio

Voovio

Education • Enterprise • SaaS

Voovio is a company specializing in digital training solutions, focusing on the process industry. It provides digital replicas and simulators to assist companies in onboarding operators, reducing downtime, and increasing productivity by ensuring workforce competency. Voovio helps capture business-critical knowledge and address challenges like mass retirements and workforce churn. Their clients include large chemical and petrochemical companies, where Voovio's technology is used to train and onboard new talent efficiently, reducing operational risks and costs associated with downtime.

📋 Description

• We are looking for a Senior Software Engineer with strong fundamentals in software development and architecture to join our development team in Spain. • A solid background in mathematics (geometry and linear algebra) and experience with WebGL is a plus. • This role is best suited for someone who enjoys writing high-performance, framework-free solutions from scratch. • You will have a unique opportunity to shape and drive the development of a core part of our proprietary front-end library, with direct impact on end-user experience.

🎯 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, CSS, and HTML5. • 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 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

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