freelance English-speaking jobs in Leiria District

Develop and maintain scalable applications, designing front-end interfaces and building robust back-end services. Requires 5+ years in web technologies, OOP, and full-stack development.

Senior Backend Software Engineer role requiring 4+ years of experience. Must know software engineering principles, algorithms, and OOP. Proficiency in C#, .NET, Java, or Go is a plus. Knowledge of cloud systems, Docker, and databases is required.

Lead Software Engineer to oversee a cross-functional squad, driving technical direction and architectural decisions. Requires experience in PHP (Symfony preferred), leading teams, and using AWS, Docker, and modern frontend technologies.

Staff AI Engineer to lead Payments Intelligence, architecting production AI-agent systems like AIDA and NOVA. Design LLM pipelines, build conversational agents, and set technical direction for agentic AI at scale.

Own the US Instagram presence, including Threads and LinkedIn. Revamp the storefront, build content strategy, and sync social content with Meta Ads to drive conversions. Track and optimize engagement metrics.

Staff/Lead Fullstack Engineer (Frontend-Focused) to build and service core Process Maps for an AI platform. Requires 8+ years experience, strong React/frontend architecture skills, and backend knowledge. Own projects end-to-end.

Counsellor/Clinical Psychologist needed. Requires Master's in Counselling or Clinical Psychology, 2+ years experience, and registration. Must be proficient in Portuguese and English. Offers flexible hours.

BMC Helix Consultant / Solution Architect needed to create, implement, and enhance tailored solutions. Requires 5+ years in a consulting role with extensive BMC Helix platform knowledge.

Senior Data Scientist role requires 5+ years of experience and an academic background in a quantitative field. Proficiency in R, Python, data processing, and analytics is essential. Must collaborate with engineering and product teams.

Senior PHP/Vue.js Full-Stack Developer for a French fintech leader. Lead design and development of secure payment solutions, ensuring high-quality code in PHP and Vue.js. Requires 5+ years of experience and fluency in French and English.

QA Automation Engineer role requires 2-3 years of experience. Responsibilities include designing and executing automated tests using Selenium, Cucumber, and Java, while maintaining the test automation framework.

Deliver engaging online English language group lessons to global business professionals. Requires a Bachelor's degree, excellent English proficiency, and experience in language teaching or corporate training is preferred.

Staff/Lead Fullstack Engineer (Frontend-Focused) to build and service Process Maps for an AI platform. Requires 8+ years experience, strong React/frontend architecture knowledge, and backend experience. Own projects end-to-end.

Implement and maintain CI/CD systems and developer productivity solutions for Dremio. Automate processes, build pipelines across major clouds, and improve engineering efficiency. Requires CS degree and experience with cloud platforms and CI/CD tools.

Drive the AI & Data strategy for UCaaS and CCaaS products. Develop roadmaps leveraging communication data to deliver transformative, intelligent solutions for enterprise customers. Requires 5+ years in data analysis and AI/ML in communication.

Experienced Site Reliability Engineer needed to ensure reliability and scalability of production infrastructure processing billions of data points. Focus on observability, CI/CD, and platform efficiency. Requires 5+ years in SRE/DevOps.

Creative Designer needed to conceptualize and produce marketing assets, including Meta/Google Ads, social content, and UGC videos. Requires proficiency in Adobe Suite, Figma, and video tools, with experience in performance marketing.

Senior SAP SuccessFactors Solution Consultant needed to lead design and implementation of core HR technology, specializing in Employee Central. Requires 5-6 years of experience and SAP Certified Associate – SuccessFactors Employee Central Core.

Software Engineer needed for a React/Next.js agency. Build and scale backend services using Node.js and TypeScript, implementing event-driven systems with AWS Lambda, SNS, and SQS. Requires 3+ years experience and strong Node.js/AWS knowledge.

Senior Technical Service Manager supports SAP S/4HANA adoption for customers in Global Cloud Operations. This role involves technical/architectural discussions, solution roadmap development, and leading operational tasks. Requires 7+ years of SAP Technical Administration experience.