freelance English-speaking jobs in Leiria District

Senior Java Backend Developer to join a challenging project. Requires 5-7 years of experience, proficiency in Java (version 17), Spring Boot, EJB, Elasticsearch, MySQL, WildFly Server, Mule, GitLab, Docker, Keycloak, Maven, and excellent communication skills.

QA Automation Engineer to design, develop, and maintain automated test scripts for Web and Windows applications. Requires experience in test automation or software development, strong problem-solving skills, and knowledge of Web technologies, CI/CD tools, and scripting languages.

This role involves embedding with client development teams to improve their quality practices. Responsibilities include shifting quality left, improving the testing pyramid, optimizing CI pipelines, and mentoring teams on AI-assisted development. The ideal candidate has deep quality experience across the testing pyramid, strong engineering skills, and excellent communication and mentoring abilities.

Senior ServiceNow Developer supports both internal and customer-facing instances, focusing on advanced development, integrations, and AI-driven capabilities. Responsibilities include designing, developing, and implementing solutions across ITSM, CSM, FSM, and SecOps modules. Experience with ServiceNow development, ITSM processes, and AI model lifecycle management is required. Certifications: CSA, CAD, and CIS (ITSM or CSM) are mandatory.

Cybersecurity Domain Architect guides internal teams on security best practices for identity and access management, infrastructure, and network security. Translates cyber security strategy into actionable plans and oversees their execution. Designs and implements Zero Trust Architectures (ZTA) within hybrid IT environments. Collaborates with cross-functional teams to integrate security into IT and OT infrastructure.

Design and implement AI/ML pipelines, including LLM-based applications, GenAI frameworks, and vector retrieval systems. Build production-grade AI integrations in Python, ensuring scalability and reliability. Apply enterprise AI patterns such as RAG, observability, agent workflows, and model evaluation. Collaborate with Data Scientists on feature engineering, model evaluation, and experiment design. Contribute to AI-driven telecom solutions.

Software Engineer to build AI-first features for a benefits platform. Responsibilities include designing, deploying, and iterating on features leveraging AI/ML methods. Requires experience with React/Typescript, Python, and cloud platforms.

Integration Engineer needed to design, develop, and implement integration solutions across enterprise systems. Responsibilities include API management, integration development, and troubleshooting. Requires strong knowledge of integration architecture, API expertise, and MuleSoft proficiency.

Security Business Developer Analyst supports proposal development, portfolio management, marketing initiatives, and partner communication. Requires a Bachelor's degree in a relevant field, technical security literacy, and strong written communication skills. Previous experience in pre-sales, support, or technology marketing is preferred.

Leads the end-to-end management of the data and AI product portfolio, developing and executing product strategies and ensuring successful delivery of AI-powered solutions.

Defect Manager will own defect approach and strategy, manage defect process, and triage defects with stakeholders. Requires 10+ years of QA/defect management experience, strong understanding of SDLC, STLC, Agile, and defect management processes, and proficiency in JIRA, Zephyr, Azure DevOps, or similar tools.

Develop machine learning models and algorithms to analyze large datasets. Collaborate with teams to apply machine learning techniques. Design experiments, evaluate model performance, and communicate findings.

Property Loss Prevention Analyst will maintain a location database, track risk improvement recommendations, and coordinate site visits. Requires a Bachelor's degree in a relevant field and 1-2 years of experience. Proficiency in Microsoft Office and English is required. Additional European language skills are a plus.

Full-stack engineer to design, build, and maintain a modern booking platform. Experience with Django, Python, React/Next.js, Docker, and PostgreSQL required. Focus on delivering features quickly, improving code quality, and collaborating with users.

Full-stack Engineer to design, develop, and maintain modern web applications using TypeScript, Node.js, and React. Experience with modern frameworks, API architecture, and cloud environments is required.

Software Engineer to develop and enhance in-house systems using Java, Angular, and agile methodologies. Requires experience in full-stack development, web/backend services, and database concepts.

Drive innovative eBike software releases by translating requirements into actionable work packages. Plan and execute projects, manage prototype development, and coordinate teams to ensure timely delivery.

Lead Product Manager for the Global Sportsbook & Trading Team. Drive product strategy, oversee service optimization, and lead product improvements. Collaborate with cross-functional teams and Product Owners.

INOVA+ seeks an International Project Manager to conceive, plan, and manage European funded projects. Requires a background in relevant fields, 3+ years of international project management experience, and fluency in English.

Design and draft electrical schematics using EPLAN Electric P8 for industrial automation projects. Collaborate in multidisciplinary teams to support project development.