javascript English-speaking jobs in Santa Cruz de Tenerife

Project Product/Quality Assurance (PA/QA) Engineer will establish, manage, and implement PA/QA arrangements within software development projects. The role requires a university degree in an engineering, technical, or scientific discipline and minimum 5 years of experience in Product Assurance, Quality Assurance, or software engineering.

Overseas Sales Manager for energy storage products. Leads business negotiations, develops market expansion plans, and manages sales budgets. Requires a Bachelor's degree, 5+ years of overseas sales experience, 2+ years in energy storage, and fluency in English.

Mobile Developer to design, develop, and maintain hybrid mobile applications using Ionic. Requires 3+ years of experience, proficiency in Ionic Capacitor, and B2 English. Collaborate with designers, QA, product, and backend teams.

Designs, builds, and operates low-latency, real-time text and voice agent systems. Implements multi-agent orchestration patterns and applies advanced reasoning methods. Leads RAG engineering with strong grounding, evaluation, and observability. Drives evaluation-based development with monitoring, tracing, and CI/CD gating. Ships production-grade Python services using FastAPI under strict latency and quality requirements.

Business Development Manager to develop and implement B2B sales strategies for digital campaigns across Poland and Europe. Requires fluency in Polish and English, 3+ years of experience in digital media sales, and a strong network within the digital industry.

Enterprise Architect needed for a multinational leader in corporate and investment banking. Define target architecture, principles, and roadmaps for client-facing channels. Ensure cross-domain and cross-regional alignment. Drive adoption of shared capabilities and provide architectural leadership. Extensive experience in enterprise and solution architecture within complex financial environments required. Strong understanding of CIB domains including Markets & Trading, Payments, Cash Management, Trade Finance and Client Onboarding/KYC.

Senior Mechanical Estimator needed for water treatment and industrial projects. Prepare cost estimates for mechanical and plumbing systems, including materials, labor, and equipment. 5-10 years of estimating experience in construction, mechanical, or plumbing projects required.

Payroll Supervisor will review payroll work, process payroll, ensure compliance with Spanish labor laws, and manage a team. Requires a Bachelor's degree in Human Resources, fluency in English, and at least three years of experience in payroll outsourcing.

Leads UX vision, design quality, and visual consistency across B2C and B2B digital experiences for Royal Queen Seeds. Responsible for defining and owning the global UX vision for the website and related platforms, leading the new website layout implementation, and ensuring seamless experiences across all digital touchpoints. Oversees design operations, workflow structure, and collaboration with internal teams and stakeholders.

Quantitative Researcher to design, analyze, and refine systematic trading strategies focused on derivatives. Requires experience with derivatives, equity trading desks, volatility, Greeks, and risk management. Strong Python skills and experience with large market data sets are essential.

The Headmaster/Headmistress will lead the development and deployment of staff, curriculum, teaching, management, and efficiency. Responsibilities include motivating the school community, ensuring student welfare, maintaining educational quality, managing the school budget, and developing a strategic plan.

The Business Unit Manager will lead the strategic and operational success of the CDMO business unit, overseeing sales, commercial operations, and product development. This role requires strong commercial thinking, a results-driven approach, and product technical skills.

Design, implement, and deploy deep reinforcement learning algorithms for industrial robots. Optimize training pipelines and productionize algorithms in PyTorch. Collaborate with leadership to align technology with business goals.

Mobile Engineer will design, develop, test, and maintain cross-platform mobile applications using .NET MAUI and Xamarin. Responsibilities include integrating with RESTful Web APIs, ensuring application performance and security, and collaborating with other teams. Requires 4+ years of experience in a similar role and strong proficiency in C# and the .NET ecosystem.

Mechanical Production Engineer needed for optical payload manufacturing and testing. Responsibilities include leading production processes, ensuring quality standards, and collaborating with engineering and supply chain teams. Requires 1-3 years of experience in mechanical production or manufacturing engineering.

Junior Sales Engineer to support global sales of fiber lasers and solutions. Develop customer relationships, advise on technical requirements, and participate in problem solving. Requires a technical background in telecommunications, physics, or industrial engineering with a specialization in photonics. Fluent English and residence in Valencia province or near.

Sales Advisor needed for residential developments in Fuengirola-Mijas. Manage the full sales cycle, conduct property presentations, and provide excellent customer service. Proven sales experience, strong negotiation skills, and fluency in Spanish and English are required.

Software Engineer needed to help build and maintain a core platform. The role involves working with a team to develop new features and products, using Ruby on Rails, Python, Javascript, and React. Must have senior experience in any tech stack, production experience, and the ability to communicate in English.

Project Engineer with expertise in HVAC & Clean Room design for pharmaceutical facility projects. Responsibilities include design, feasibility studies, equipment specification, and project oversight. Requires a Bachelor's degree in Engineering and 2-3 years of experience in a similar role.

As a 3D Visualiser, you will create photorealistic renderings, animations, and flythroughs of commercial interior projects. You will translate design concepts into compelling visuals for RFPs, presentations, and client communication.