freelance English-speaking jobs in Leiria District

Marketplace Onboarding and Integration Specialist to own the technical onboarding journey, streamline seller integration, and manage feed aggregator partnerships. Reduce time-to-market and drive catalog quality across European markets.

Data Mining Analyst role involves collecting, analyzing, and interpreting large datasets to identify trends. Responsibilities include data gathering, cleaning, statistical analysis, and creating reports. Requires proficiency in SQL or Python and database management systems.

Senior Software Engineer will lead technical direction and architecture of software solutions, mentor engineers, and design, develop, and maintain backend services using Java/Kotlin and Spring Boot.

Marine Bioacoustician needed to join the AI team, overseeing acoustic and visual data labelling for Hydrotwin. Requires experience in fish/cetacean acoustics, annotation protocols, and supporting AI model development.

Drive the end-to-end delivery of large-scale digital products and technology initiatives across multiple Agile teams. Manage dependencies, risks, and stakeholder alignment in a fast-paced environment.

Build and maintain custom Odoo modules from concept to go-live. Responsibilities include migrating databases, writing unit tests, and improving code quality. Requires 2+ years of Python experience.

Data Mining Analyst responsible for collecting, analyzing, and interpreting large datasets to identify trends. Requires a degree in a quantitative field, 2+ years of experience, and proficiency in SQL, Python, or R.

Design and maintain backend services using Kotlin and Java in a microservices architecture. Develop desktop application functionality, build RESTful APIs, and ensure high-quality code through reviews. Requires 5-8 years of experience.

Senior Functional Analyst needed to design application requirements, create documentation, and bridge business needs with technical delivery. Requires +3 years of experience, strong Agile knowledge, and fluency in Portuguese and English.

This role involves lead qualification and sales support for Capital Contracts, Atlas CCM, and AYATA. Responsibilities include researching targets, making initial contact, understanding business needs, and booking meetings for senior consultants. Requires 2+ years in sales support or lead generation and good English.

Support performance test plan development, execution, and monitoring. Build understanding of performance testing tools like Artillery.io, LoadRunner, or JMeter. Requires a degree in Informatics or Computer Science and English proficiency.

Skilled and experienced tiler sought for part-time work. Responsibilities include installing and repairing various tiles on walls and floors. Requires minimum 2 years of experience, knowledge of tile types, and ability to follow blueprints.

Manage and grow the product portfolio, executing go-to-market strategies and developing pricing plans. Lead media campaigns, drive the digital customer journey, and manage the A&P budget. Requires 3+ years in Marketing, preferably FMCG.

Senior FullStack Java/Angular developer to design and maintain scalable web applications using Java, Spring Boot, and Angular. Responsibilities include building REST APIs, managing deployments with Docker/Kubernetes, and optimizing Oracle/PostgreSQL databases. Fluent French is mandatory.

Backend Developer role in an agile team, responsible for the full application lifecycle using Java. Requires experience with high concurrency platforms, REST/SOAP, and strong problem-solving skills.

Highly organized and proactive Executive Assistant & Office Manager needed to support the CEO and ensure smooth firm operations. Responsibilities include executive support, office management, HR coordination, and operational oversight. Requires strong English and Portuguese skills.

Graduate/Junior Electronics Engineer role focusing on electronics development and PCB design. Responsibilities include schematic creation using EDA tools, circuit analysis, and basic firmware coding. An Electronics Engineering Degree is required.

Provide L1/L2 hardware and software support, managing Windows, MacOS, and mobile devices. Use ITSM Service Now for incident management and maintain asset inventory. Requires 3+ years of IT support experience.

Salesforce Developer needed with 6-8 years of experience, including 4-8 years in Salesforce development. Expertise in Apex, LWC, Visualforce, Sales/Service Cloud, and API integrations is required.

Senior Data Engineer to design, build, and scale the Data Platform. Responsibilities include developing data models, ensuring data quality, and collaborating with teams to translate business requirements into data-driven solutions. Requires 4+ years of experience in data architecture, modeling, database design, and data management. Proficiency in Python, SQL, and data governance principles is essential. Experience with technologies like Airflow, Clickhouse, MongoDB, Kafka, and Grafana is required.