freelance English-speaking jobs in Covilhã

Senior Backend Engineer will develop and maintain web applications, focusing on performance, scalability, and user experience. Requires 5+ years of web development experience with Golang or NodeJS, SQL databases, and knowledge of software engineering patterns. Must be able to design and implement AI-powered workflows.

Senior Java / Javascript Engineer will develop software for customer projects, collaborate with teams, and integrate with backend systems. Must have 4+ years of experience with Java, Spring Boot, and JavaScript.

Manages the implementation process for Imaging Digital Solutions (IDS), with a focus on MIM, across the customer lifecycle. Coordinates project phases, including kick-off meetings, modality loading, and data validation. Ensures customer acceptance and compliance with revenue recognition requirements. Communicates project status and collaborates with internal teams to deliver projects on time.

Implementation Engineer will lead technical discovery and design workshops with enterprise customers, architecting and implementing custom solutions. Requires 3+ years of experience in a customer-facing technical role, strong architectural expertise, and excellent communication skills.

Project Manager will lead medium to large projects or workstreams within a portfolio, defining scope, deliverables, and success criteria. Manage projects using the Change Delivery Framework and tools, ensuring adherence to time, quality, and cost parameters. Collaborate with stakeholders to transform objectives into tangible deliverables and manage project scope, budget, risks, and resources.

Linguist to support AI training initiatives and content creation. Responsibilities include creating linguistic content, resolving ambiguity and bias issues, performing QA on model outputs, annotating datasets, and conducting linguistic research. Requires deep understanding of linguistic theory and language structure. Experience with computational linguistics, corpus analysis, or LLM training is a plus.

Experienced SAP SuccessFactors Employee Central Time Consultant needed for global Time Off and Time Tracking solution implementation. Provides functional and technical expertise throughout the project lifecycle, ensuring seamless integration and deployment.

Senior Telecom Data Analyst will analyze and validate network performance indexes, define data feeds, perform data validation tests, and analyze customer issues related to metrics and data feeds. Responsibilities include implementing reports, designing data adapters, and analyzing product requirements. Requires a Master's degree in a relevant field and strong knowledge of telecom networks, protocols, and data analysis tools.

Speechify seeks a Software Engineer to build and maintain backend services, including payments, analytics, subscriptions, and text-to-speech. The role involves data collection, pipeline operation, and collaboration with scientists to improve data quality and scale.

SAP FICO consultant needed for a hybrid project in Lisbon. 3-5 years of experience in FI (GL, AP, AR, AA, BL) and Basic CO, Material Management, and interfacing with cross-functional teams required. Senior-level SAP consultancy expertise is mandatory.

Provides valet services including receiving customers, parking vehicles, and ensuring vehicle cleanliness. Requires a safe driving record, customer service experience, and the ability to multitask. Must be able to work in a standing position for extended periods.

Customer Service Specialist fluent in Portuguese and English will handle customer inquiries via phone, email, and chat. Responsibilities include identifying customer needs, providing product and service information, resolving issues, and managing complaints.

AI Training Specialists complete structured tasks to improve AI model accuracy. Responsibilities include labeling, classifying, and rating AI-generated content across text, image, and audio. Strong attention to detail and clear written communication in English are required.

Lead Backend Software Engineer will design, build, and operate distributed systems, leading end-to-end delivery of product features. Requires strong JVM-based technologies (Java or Kotlin) skills and experience with cloud-based, production-grade systems.

Deel is seeking a B2B Marketplace Operations Manager to oversee the operational aspects of its app resale and marketplace infrastructure. This role will ensure a seamless experience for customers and partners, manage partner and app listings, and track key monetization KPIs. The ideal candidate will have experience in B2B marketplace operations, partner management, and GTM operations.

Sales Manager to drive commercial growth in European markets for an EV charging and BESS solutions provider. Develop new business opportunities, build strategic partnerships, and support regional sales targets.

NTU International A/S seeks an Urban eMobility / Public Charging Expert to support a project analyzing publicly accessible urban EV charging infrastructure across the EU. The expert will provide a comprehensive sector-wide analysis of charging infrastructure, focusing on neighborhood, destination, and urban hub segments.

Business Analyst to drive results across ventures and initiatives. Responsibilities will evolve and grow. Seeking a highly ambitious, proactive, and results-oriented individual with strong analytical skills and the ability to collaborate effectively. Native proficiency in Portuguese or Danish and fluent English required. EU work permit needed. Full-time onsite in Lisbon.

Site Reliability Engineer needed for incident response, release management, and cloud infrastructure automation using Ansible. Administer Linux systems (Debian preferred) and AWS infrastructure. Collaborate with development teams to ensure smooth operations.

Dellent seeks a Mid-Senior Backend developer for a project focused on information systems, automation, and electronics. Requires 2+ years of experience with .NET, C#, WebAPI, Entity Framework, LINQ, SQL, database modeling, message bus frameworks, containerized microservices, automated unit testing, DevOps, and Agile methodologies. Must be fluent in English.