freelance English-speaking jobs in Covilhã

Develop and maintain production-grade ML features (e.g., intent detection, sentiment analysis) for millions of users. Design, build, and optimize scalable ML pipelines for processing large text datasets. Collaborate with ML Scientists and Product teams to productionize models and experiment with emerging AI technologies. Lead technical design, code reviews, and architecture decisions for ML/AI systems. Develop and evolve MLOps processes (CI/CD, model versioning, monitoring, and observability). Mentor junior engineers and share knowledge of model development, deployment, and best practices. Investigate and resolve complex production issues.

Product Design Intern to gain experience in customer journey mapping, research, and wireframing. Apply UX thinking to customer flows for various industries. Assist with partnership pitches and design solutions.

Manage engineering activities for large-scale energy projects, focusing on power generation and renewables. Plan, monitor, and ensure budget, timing, and quality of engineering works. Participate in design, calculations, and reporting. Collaborate with clients, partners, and colleagues.

Financial Analyst to perform first-level trading control, reconcile trades, monitor give-up requests, and interact with brokers. Requires a bachelor's degree, 1+ year of banking or financial operations experience, and fluency in English.

As a Chemfeed Project Engineer, you will design and implement chemical dosing solutions for new build and replacement projects. You will manage multiple projects, coordinate resources, and ensure on-time and on-budget delivery. You will also support commissioning activities, manage customer satisfaction, and participate in proposal activity reports.

Research Initiation Grant for a Bachelor's degree holder in Basic Education enrolled in a non-degree-awarding course. The grant supports research on the development of didactic knowledge in mathematics using artificial intelligence in pre-service teachers.

Leads kitchen staff in preparing quality food while adhering to sanitation and food standards. Manages assigned outlets to meet financial goals. Implements menus, recipes, and training for team members.

The Senior CX Manager serves as a technical advisor and strategic partner to Talkdesk's largest customers. This role drives business outcomes by leading product adoption, overseeing technical initiatives, and ensuring customer success. Responsibilities include technical enablement, customer success program ownership, risk management, and data-driven value realization.

Marketing Executive to support multi-channel campaigns, create content, and analyze KPIs. Requires 2+ years of marketing experience, digital marketing knowledge, and fluency in German and English.

Data Engineer with a Bachelor's degree in a related field and Azure certifications. Experience with Azure services for data engineering and analytics, including Azure SQL Database, Azure Data Lake, and Azure Synapse Analytics. Proficiency in Python, SQL, or C# for data pipelines and automation. Knowledge of data modeling, transformation, and security best practices. Excellent communication and problem-solving skills. Fluent in English.

The Digital Campaign Officer will plan, develop, and execute digital campaigns, focusing on internal banner promotions. Responsibilities include campaign management, performance analysis, and reporting. The ideal candidate will have experience with analytics tools, digital campaign management platforms, and CRM tools. Fluency in French and English is required.

Business Development Representative to drive growth of AI, Data, and Tech Upskilling programs for companies. Responsibilities include generating new business opportunities, leading client conversations, and managing the sales process.

Low-Code Engineer to build complex AI workflows using n8n, Anthropic, and OpenAI APIs. Develop AI-driven communications, intelligent reporting, and data synchronization systems. Must be data literate with SQL and experience in prompt engineering.

Lead Backend Developer (Go/Kotlin) will design and develop scalable microservices, own infrastructure provisioning with Terraform, and migrate data from a legacy system to GCP. Must have 5+ years of backend development experience, proficiency in Go or Kotlin, and experience with GCP and Terraform.

Cyber Analyst specializing in Threat Exposure Management for AppSec and AI within the 'Identify' Capability. Performs in-depth technical assessments of vulnerabilities and exposures across code repositories, applications, and AI/ML ecosystems. Collaborates with stakeholders to validate exploit paths, map findings to adversary TTPs, and translate technical risks into remediation actions.

Supports the execution of activation and change plans for a firmwide digital transformation. Tracks adoption progress, prepares materials for product launches, and coordinates with stakeholders to ensure successful implementation.

Develop and optimize Talend ETL/ELT workflows for data integration and transformation. Build scalable data pipelines across databases, cloud platforms, and APIs. Collaborate with business analysts and data architects to translate requirements into integration solutions.

Senior/Lead Data Engineer with 5+ years of experience in cloud-native data engineering. Expertise in end-to-end data architecture, including ingestion, modeling, storage, and orchestration. Proficiency in Microsoft cloud technologies (Fabric, Azure Data Factory, Synapse) and data warehousing/lake solutions. Strong programming skills (Python, SQL, Spark) and experience with DevOps/DataOps practices. Excellent communication and mentorship skills.

Senior Partner Financial Reporting and Billing professional will ensure accurate account statements, reconcile Partner accounts, and support month-end and year-end close processes. Responsibilities include preparing balance sheet reconciliations, handling tax obligations, and participating in audit requests. Requires a degree in Accounting, Management, or a related field, 3+ years of Finance Operations experience, fluency in English, and proficiency in Microsoft Excel.

Provide multilingual customer support via phone, email, and live chat. Resolve customer queries, handle complaints, and ensure compliance with service standards.