javascript English-speaking jobs in Cascais

Maintenance Technician needed for new production plant. Provide technical assistance on various equipment types, perform diagnostics and maintenance, and ensure equipment functionality. Specialized training in mechanics, electronics, industrial maintenance, or related fields required. Previous experience in a similar role is valued. Fluent in English.

Senior Business Analyst with 4+ years of experience in BA activities. Proven track record in applying key BA techniques and understanding of APIs, microservices, and headless approach. Strong communication, collaboration, and time-management skills required. Upper-Intermediate English level.

Data Scientist will analyze US healthcare claims and insurance data using SQL and Python to assess prescription patterns, treatment journeys, and market trends. Responsibilities include identifying market gaps, supporting AI use cases, and collaborating with cross-functional teams to provide strategic insights. Requires a Master's degree in a relevant field with 2-5 years of experience or a PhD with 1 year of experience.

Senior DevOps/Infrastructure Engineer to own complex initiatives end-to-end, drive collaboration, and set a high bar for infrastructure development and operation. Experience with HPC clusters, AWS, Terraform, and Linux is required.

Supervises and coordinates civil works teams on large-scale photovoltaic projects. Ensures compliance with schedules, production targets, and quality/safety standards. Manages subcontractors and site resources.

Business Development Specialist to drive results across ventures and initiatives. Responsibilities will evolve and grow. Seeking a highly ambitious, proactive, and results-oriented individual with strong analytical skills and the ability to collaborate effectively. Must be fluent in Portuguese or Danish and English.

Own manual and automated testing across the SDLC, working closely with Software Engineers and Product Managers to ensure product quality. Contribute to and expand automated test coverage within an agile team. Drive continuous improvement through POCs, refining QA processes, tools, and best practices. Investigate user-reported issues, perform hands‐on technical testing, and create, manage, and track bug reports.

Design, develop, and maintain full-stack web applications using Vue, React, Kotlin, or Java. Collaborate with cross-functional teams and contribute to architectural discussions. Minimum 4 years of software development experience required. Fluent English and strong communication skills necessary.

Manages client growth by creating marketing experiences and defining transformation journeys. Leads a team, provides solutions to cross-functional problems, and develops innovative marketing strategies. Requires expert proficiency in Marketing Strategies and fluency in English and Portuguese.

Develop and implement marketing plans for Respiratory and Pediatrics products. Manage brand lifecycle, promotional budget, and sales force training. Ensure compliance with pharmaceutical regulations.

Senior QA Engineer to shape quality strategy and design, build, and maintain test automation for live mobile games. Builds internal testing tools and optimizes testing processes. Collaborates with developers and other teams to drive quality throughout the development lifecycle. Requires 5+ years of experience in QA/quality engineering with a developer-in-test or tooling focus. Strong coding skills and a hacker mindset are essential.

Senior Brand Manager to develop and execute brand strategies for original IPs across games, comics, podcasts, and more. Lead brand lifecycle from pitch to launch and live operations, collaborating with internal and external teams to ensure a unified brand voice. Manage external creators, agencies, and production partners. 5+ years of experience in brand, IP, or franchise management required.

This role manages end-to-end Time & Attendance processes across multiple regions, ensuring compliance with local labor laws. The Lifecycle Specialist acts as a subject matter expert, supporting employees and clients on complex Time & Attendance matters.

This role involves managing payroll processes, conducting audits, providing employee support, and ensuring compliance with regulations. Requires experience with payroll solutions, ideally SAP HR, and strong analytical and problem-solving skills.

Strategy Analyst to support management decision-making through data analysis and reporting. Designs and develops strategies based on data analysis, assesses strategy effectiveness, and presents recommendations to senior management. Analyzes data across business areas including portfolio performance, customer behavior, and profitability.

Senior Software Engineer to develop and support in-store and POS features, including payments, loyalty, and hardware integrations. Experience with Angular, Node.js, payment systems, and relational databases required.

Machine Learning Engineer will develop and train computer vision and pose estimation models using synthetic data. Responsibilities include improving the synthetic data generation pipeline and working with 2D/3D keypoints, segmentation, and depth maps.

Deputy Head of Construction to support the Head of Construction in managing hospitality projects, ensuring they are completed safely, on time, within budget, and to a high standard.

Execute client objectives as a Salesforce Developer, collaborating with backend teams to design, implement, and deploy web solutions. Focus on optimizing customer experience through clear and user-friendly web pages.

Senior Java Developer / SQL (Lead) with 8+ years of experience in Java, Spring Boot, REST APIs, and SQL. Responsible for full lifecycle development, ensuring feature delivery, system quality, and operational sustainability. Must have strong SQL and relational database knowledge, application security principles, and experience with Agile methodologies.