freelance English-speaking jobs in Leiria District

Mid/Senior Java Software Engineer to build mobile APIs and microservices. Focus on clean, maintainable code using Java 17/21, TDD, and DDD. Experience in backend development is required.

Drive profitable business growth through account follow-up, pipeline management, and strategic initiatives. Requires 2+ years in Business Development or similar roles with strong analytical and stakeholder management skills.

Java Backend Developer needed to develop and maintain scalable applications using Java 8+. Responsibilities include working with Hadoop (Spark, Hive), relational databases, and Agile methodologies. Requires 3-6 years of Java experience.

SQL Developer (French Speaker) needed for BPCE-SI. Responsibilities include coordinating dataset retrieval, database querying, request management, and process improvement. Requires SQL proficiency, JIRA/DBeaver skills, and B2 French.

Data Product Owner needed with 10 years of IT experience, technical background in data/analytics. Requires SQL, Power BI, and Databricks expertise. Must gather requirements, draft user stories, and manage the backlog. Portuguese proficiency is mandatory.

Develop, implement, and improve training systems for a European manufacturing plant. Design and deliver training plans for diverse employee groups, ensuring compliance with regulations and company standards.

Software Test & Automation Engineer to ensure quality of eBike systems. Develop and execute tests using Python, C#, and CAPL. Automate processes, leveraging AI for test case generation. Experience in embedded systems and tools like CANoe is valued.

Solutions Architect role defining AI integration standards and blueprints across SDLC, Data, and Operations. Requires 7-8 years in systems architecture with expertise in AI-native architectures, cloud design, and regulated environments.

Python Developer needed with 5+ years of experience. Design and maintain scalable backend services, integrating Generative AI, LLMs, and RAG. Experience with message brokers and event-driven architectures is required. Must be fluent in English.

Deliver premium, white-glove support for high-value riders and chauffeurs. Manage complex trip disruptions and coordinate service recovery. Requires professional proficiency in Spanish and English.

Experienced Mechanical Commissioning Engineers are needed for a major data centre project. Responsibilities include leading mechanical commissioning, overseeing testing, coordinating contractors, and ensuring systems meet specifications. EU passport required.

Develop and maintain production plans, generating manufacturing and material requirements to ensure on-time delivery while minimizing costs. Monitor targets, mitigate risks, and drive continuous improvement using ERP SAP and MRP principles.

QA Engineer for the OpsTech team, testing in-house POS and KDS systems. Responsibilities include testing, bug investigation, and regression testing. Requires 1+ year in QA, API testing experience, and knowledge of payment flows.

Techno-Functional Business Analyst needed for a 1-year contract to support a Data Lake platform. Responsibilities include gathering data requirements, analyzing data using SQL, and defining source-to-target mappings. Requires finance/trading operations knowledge and experience with Data Lake projects.

HR & Payroll Specialist to own local HR operations for a Swiss consulting company in Portugal. Responsibilities include payroll coordination, HR administration, and ensuring compliance with Portuguese labor law.

Project Manager to lead EPM/BI platform transformation for a European retail group. Own the bridge between finance, IT, and business, managing scope, timelines, and requirements gathering. Requires project management experience and EPM/BI platform knowledge.

Cyber Security Specialist role focusing on red teaming conversational AI models and agents. Responsibilities include identifying vulnerabilities, annotating failures, and documenting findings. Requires experience in AI adversarial work or cybersecurity.

Collections role requires German speaker to maximize overdue fund collection. Responsibilities include contacting customers, issuing payment letters, and maintaining accurate payment records. High German and English skills are mandatory.

Danish-speaking Customer Service Agents are sought for a fully remote role in Portugal. Responsibilities include providing professional support via phone, email, and chat to resolve product and account inquiries. Requires native/C2 Danish and good English.

Senior Technical & Commercial Advisor for Renewable Energy. Accountable for technical and commercial due diligence on solar, wind, and battery projects. Develop client base and improve the AI platform. Requires relevant engineering Master's and 7-15 years in the industry.