freelance English-speaking jobs in Leiria District

Fullstack Developer to design, develop, and maintain applications using Flutter/Dart. Collaborate with teams to build new features and improve existing applications. Must have 2+ years of experience, strong Flutter/Dart skills, and experience using AI tools in software development. Relocation to Graciosa Island, Azores is mandatory.

Data Engineer with 2+ years of experience required. Proven experience with GCP for Data Engineering (BigQuery, Dataflow, Cloud Storage) and Big Data tools (Spark, Flink, Kafka, ElasticSearch, Hadoop). Proficiency in Python, Java, or Scala and advanced SQL skills.

Test Analyst needed for a national project. Responsibilities include designing and executing tests, identifying and reporting anomalies, and contributing to project deliverables. Requires a degree in Informatics or related field and minimum 3 years of test experience. Knowledge of ISTQB methodology and test scheduling is essential. Fluency in French is required.

Design and develop AI applications and pipelines using frameworks like Claude Agent SDK, CrewAI, LangChain, and LlamaIndex. Build Textual and Visual RAG Systems and chatbots to optimize workflows. Integrate and scale AI solutions in collaboration with cross-functional teams.

Cloud Cyber Risk Analyst & Third-Party Risk Manager will contribute to cloud security posture and manage cyber risks associated with SaaS and third-party ecosystems. Responsibilities include third-party onboarding, cybersecurity governance, risk assessments, and remediation follow-up. Requires 5+ years cybersecurity experience, knowledge of risk management methodologies (ISO 27005, EBIOS Risk Manager), and cloud security standards.

Growth & Operations Specialist needed to drive pilots, partnerships, and deployments for an AI-driven autonomous sprayer company. Support go-to-market execution, build internal processes, and track performance. Must have 3+ years of experience in operations, strategy, growth, or consulting and Portuguese fluency.

Designs, implements, and coordinates logistics management models across warehouses. Monitors and controls logistics operations, ensuring compliance with standards and regulations. Analyzes control systems, proposes improvements, and implements corrective actions.

Provide on-site and remote support for a global financial data environment. Execute Linux system operations via command line, troubleshoot connectivity and application issues, and communicate with IT teams.

AWS Engineer needed for a client of Jobbex Portugal. Responsibilities include monitoring, incident response, system resilience, and managing AWS services like EC2, ECS, S3, IAM, and databases.

Manages and grows clients' social media presence across multiple platforms. Creates, schedules, and publishes engaging content, including copy, visuals, and short-form videos. Develops campaign concepts to increase engagement and brand awareness. Monitors performance metrics, prepares reports, and optimizes content. Collaborates with clients and internal teams to align on strategy and content planning. Ensures brand consistency across social media channels.

Android Developer will design, develop, and maintain native Android applications using Kotlin. Collaborate with teams to implement scalable and secure mobile solutions. Requires a degree in Computer Science or related field and proven experience as an Android Developer in Kotlin.

Business Analyst Specialist needed for tokenization solutions, specifically Mastercard MDES and Visa VTS. Requires experience designing functional architectures, defining target operating models for Token Service Providers (TSPs), and translating business needs into solution designs. Solid understanding of the payments ecosystem, including token lifecycle management, security, and digital transactions is essential. Must be fluent in Portuguese and English (B2 level).

Provide support to dental professionals and patients in a modern, high-tech clinic. Responsibilities include 3D scanning, X-rays, patient reception, and maintaining clinical standards. Requires prior dental experience, proficiency with EMRs and digital tools, and fluency in English.

Design and implement scalable data pipelines and data processing solutions using Azure and Microsoft Fabric. Develop and optimize ETL/ELT processes for large datasets.

Marketing Executive to support marketing initiatives across golf, F&B, and accommodation. Coordinate local marketing activities, content creation, and on-site event support. Manage website, newsletters, and social media.

Design and document end-to-end solution architectures aligned with business and IT strategy. Analyze business requirements and translate them into scalable, secure, and compliant technical solutions.

Senior UX/Product Designer will collaborate with teams to implement designs, lead the design process, and contribute to the design system. Must have a portfolio, 3+ years of UX design experience, and proficiency in user research and design tools like Figma.

Digital Growth Marketing Expert needed to drive user growth and engagement for a rapidly expanding restaurant & hospitality job site. Responsibilities include analytics, CRO, email marketing, social media campaigns, and A/B testing. Requires 3+ years of experience optimizing digital platforms, strong data analysis skills, and expertise in various marketing tools.

Full-Stack developer to design, develop, and maintain web applications using React and .NET. Experience with CMS development (Optimizely preferred) and cloud platforms (Azure) is required. Must have a Bachelor's degree in Computer Science or Software Engineering and 4+ years of experience.

Designs, implements, and maintains secure architectures across client IT and cloud environments. Creates strategies to protect digital assets, ensure compliance, and mitigate risks. Collaborates with IT teams and stakeholders to develop and enforce security policies.