freelance English-speaking jobs in Valongo

Senior Python Developer will design, develop, and maintain index calculation applications using Python within the Dataiku platform. Responsibilities include defining data processing flows, ensuring solution quality and performance, and contributing to all project phases.

Senior Backend Developer will design, develop, and maintain scalable, robust, and testable GoLang applications. Responsibilities include translating software requirements into high-performance software, playing a key role in architectural and design decisions, and creating design documents. Experience with RESTful APIs, SQL databases, and orchestration tools is required.

Software Engineer to design, develop, and validate PLC-based software for safety-critical railway applications. Minimum 2 years of experience in the railway domain, specifically in Train Control and Management Systems. Proven track record delivering software up to SIL2 (EN 50657 or equivalent).

Senior Test Analyst / Test Lead with 5+ years of experience in software testing, fluent in French, required to design, execute, and monitor test activities. Experience with Agile environments, Octane, JIRA, Confluence, API testing, and SQL is essential.

Performs assembly, qualification, and automation of facilities, equipment, and utility systems according to regulatory demands and industry guidelines. Contributes to the continuous improvement of systems and ensures compliance with cGMP and project specifications. Executes construction, assembly, commissioning, and qualification of complex engineering projects. Plans and manages resources to meet project deadlines and quality standards. Reports deviations and manages risks. Participates in design reviews and change control assessments. Leads external qualification contractors and ensures proper documentation and training. Conducts commissioning and qualification activities, including protocols, test datasheets, and reports. Trains end users and promotes a culture of continuous improvement.

FP&A Analyst will support finance team objectives and contribute to business success. Responsibilities include consolidating results, managing reporting, and forecasting P&L and cash flow. The role requires 3+ years of experience, strong analytical skills, and proficiency in SAP and MS Office.

Team Leader to oversee OpenCompliance Control and Risk Management (CCRM) operations in Lisbon. Manage a team, ensure quality of risk assessments, and monitor compliance workflows. Must have CCRM experience, team management experience, and fluency in English and French.

Lead AI Consultant translates AI practice direction into client-facing work and measurable outcomes. Develops AI strategies, solution concepts, and technical specifications. Facilitates client workshops and contributes to pitches. Supports internal AI enablement programs and serves as a practice model. Contributes to AI solution design and evaluates emerging AI tools. Maintains partnerships with startups and research groups. Requires a degree in a related field, experience in AI consulting, software engineering, or data, and fluency in English.

Manages multiple projects, ensuring adherence to methodology across time, cost, and quality. Monitors project progress, resolves issues, and implements controls to mitigate risks. Analyzes operational costs, identifies business opportunities, and certifies project documentation. Promotes continuous improvement and ensures compliance with company policies.

As a Client Program Senior Specialist, you will manage the execution of BCG U client upskilling programs, ensuring successful delivery and outstanding client experience. You will collaborate with client-facing teams and clients, coordinating schedules, logistics, and milestones. You will manage learner communications, engagement, onboarding, and program refinements based on feedback. You will also facilitate training sessions, set up tools for delivery, and analyze data to improve program effectiveness.

Siemens seeks a motivated trainee for a summer internship in IT communication. The intern will support content creation, digital publishing, and communication tasks. Applicants should be studying or have recently graduated in a related field with strong communication skills in English.

Conducts electrical, mechanical, and chemical tests to diagnose product failures. Performs tear-down, non-destructive, and destructive testing methods. Creates reports detailing failure investigations and collaborates with engineers and customers.

Lead Web Developer needed to build and maintain our web platform. Translate designs into production features, build APIs, and integrate with third-party services. Must have 4+ years experience building digital products, React, and cloud infrastructure.

Develop and implement analytical solutions using SAS tools. Conduct data analysis and collaborate with teams to understand requirements.

Designs, implements, and manages data pipelines, storage, and processing solutions. Develops and maintains data architecture ensuring scalability, security, and availability. Expert in Azure cloud-based data services and data governance frameworks.

Process Engineer Trainee will plan and design manufacturing processes, ensuring compliance with cGMP, HSE regulations, and internal policies. Responsibilities include preparing process documentation, participating in risk assessments, and providing training to operational team members.

Senior Quality Assurance Specialist will implement a new QA governance model, monitor quality KPIs, and lead cross-functional investigations into field failures. The role will also support process audits, act as a quality safeguard, and promote a proactive quality culture.

The DLP Analyst assesses events generated by the DLP tool, investigates data leaks, and reviews security problems to identify weak points in the DLP monitoring system.

Provides customer service and support through chat, email, and social media. Resolves customer issues and offers product information. Requires prior customer service or sales experience and strong communication skills.

HRIS Analyst to join a global team focused on time and attendance and scheduling within WorkForce Software. Responsibilities include analyzing business processes, collaborating with stakeholders, and ensuring quality assurance through testing and issue resolution. Requires a Bachelor's degree, minimum 3 years of experience with WorkForce Software, HR knowledge, and advanced Excel skills.