backend developer English-speaking jobs in Felgueiras

Senior Web Application Developer will design, develop, and maintain user-centric web applications. Collaborate with teams to gather requirements, ensure alignment with technical standards, and support deployment and troubleshooting of Java and PHP applications.

Data Scientist to structure, analyze, and derive insights from financial datasets. Apply statistical modeling and machine learning to build predictive products for commercial strategy, forecasting, and financial performance.

Promote specialty medicines in immunology, gastroenterology, and dermatology to healthcare professionals within specialist settings. Build relationships, deliver product discussions, and achieve sales targets while adhering to company policies and regulations.

AgileEngine seeks a Middle/Senior Backend Engineer to architect and scale an Ads platform. Responsibilities include designing APIs, building high-throughput systems, and collaborating with product and data teams. Must have 3-4 years of experience building scalable systems, AdTech experience, and a strong understanding of distributed system architecture.

QA Automation Engineer will write and maintain automated tests for iOS, macOS, Web, Android, and Windows applications. Collaborate with product, development, and delivery teams. Requires 5+ years of test automation experience, programming skills with Java and Kotlin, and proficiency in tools like Selenium, Appium, and JUnit.

Provide virtual travel assistance to clients, responding to inquiries, reviewing travel plans, and ensuring a smooth travel experience.

Media Buyer to plan, launch, and manage paid media campaigns across Meta, TikTok, Google Ads, Pinterest, and YouTube. This role involves daily campaign optimization, experimentation, and collaboration with media strategists, creative teams, ticketing, and operations. Weekend operational support is required, monitoring live events for schedule changes.

Senior QA Engineer will test Veeam products, participate in product development, analyze software requirements, and contribute to test strategy creation.

Senior Product Engineer will own a domain within the organization, building solutions into the tech platform. Collaborate with stakeholders to solve problems and manage end-to-end software delivery. Requires 5+ years of full-stack development experience and a strong product mindset.

Senior GRC Specialist will ensure services and delivery teams operate in line with security and IT governance requirements. Responsibilities include conducting structured reviews and audits, providing advisory support, and assessing IT system documentation.

Senior Business Analyst with a minimum of 5 years of experience in IT/Financial project management. Requires administration experience with relational database tools, strong understanding of Finance concepts & processes, and a financial/accounting background. Experience with reporting tools (e.g., Essbase, Hyperion, Power BI, SAP, Primavera, Business Objects) is needed. Experience with Tagetik is a plus.

Provide first-level support to business partners via phone, email, and ticketing systems. Handle operational, technical, and administrative inquiries. Guide partners through SIXT systems and processes while ensuring compliance with brand standards. Collaborate with internal teams to resolve partner issues and maintain CRM records. Support the onboarding of new partners.

Senior Project Manager to lead complex projects in industries such as Medical Devices, Railway, Aerospace, Defence, and Energy. Requires 5+ years of experience managing projects, strong leadership, communication, and problem-solving skills.

Clinical Research Associate II will conduct site visits, ensure protocol compliance, and collaborate with investigators. Requires a Bachelor's degree, 2+ years of experience, and knowledge of clinical trial processes and ICH-GCP guidelines. Must be able to travel at least 60%.

UI Designer for motion graphics and animation. Transform SaaS interfaces into visually compelling, motion-ready art. Design static UI scenes and concepts for animation. Strong UI/interface design skills and Figma mastery required.

Software Engineer focused on Data, AI/ML and Analytics solutions. Collaborate on end-to-end data analytics and MLOps solutions using open-source tools. Design, build, and maintain solutions deployed on public and private clouds and local workstations.

Backend Developer will design and build scalable architecture using NestJS and TypeScript. Responsibilities include database design, API implementation, and migrating legacy code. Requires 3+ years of experience, proficiency in NestJS and TypeScript, and understanding of RESTful APIs and Clean Architecture.

Senior Python/Django Specialist to lead analysis, design, and development of backend solutions for a leading banking environment. Requires 6+ years of experience with Python, Django, SQL Server, and Agile methodologies.

Content Moderator needed for a global brand in Lisbon, Portugal. Must possess strong knowledge of e-commerce standards, platforms, and customer journeys. Excellent communication, problem-solving, and teamwork skills required. Polish C2 level and English B2 level required.

Side is seeking a Part-Time Italian Player Support Advocate to provide top-tier support to gamers. Responsibilities include resolving technical issues, ensuring timely responses, and maintaining a positive customer experience. Fluency in Italian and English is required, along with strong communication and problem-solving skills.