freelance English-speaking jobs in Valongo
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Commissioning Engineer Mechanical
- Siemens Gas and Power GmbH & Co. KG
- Amadora
- May 22
Commission mechanical and process systems at power plant construction sites globally. Ensure commissioning activities meet budget, time, and quality targets while adhering to EHS requirements. Collaborate with internal and external teams.
Senior Mapping Localization Engineer
- Voxelmaps
- Porto
- May 22
Senior Mapping & Localization Engineer will design and implement SLAM pipelines, improve localization robustness, and develop workflows for map alignment and merging. Requires a BS/MS in a related field and 5+ years of experience in robotics, mapping, computer vision, or geospatial systems. Strong skills in SLAM, localization, sensor fusion, geometric optimization, and 3D reconstruction are needed. Experience with GTSAM, Ceres Solver, PCL, OpenCV, ROS, and PROJ is preferred.
AI & Data Academy (Porto)
- CONKORD
- Porto
- May 22
Recent graduates with a degree in Computer Science or a related field are sought to support data analysis, AI development, and process automation in real projects.
Head of Sales Marketing
- ATLANTICA Cascais
- Cascais
- May 22
Leads marketing and GTM strategy across four target markets, including brand development, content creation, and PR. Manages founding-member sales pipeline, from initial contact to closing deals. Requires 7-15 years of experience in luxury hospitality, membership clubs, or similar industries. Must be AI-native and comfortable with Portuguese, Brazilian, UK, and Gulf cultural codes.
Senior Commissioning & Control Systems Engineer
- Capgemini Engineering
- Portugal
- May 22
Senior Commissioning & Control Systems Engineer will design, integrate, and commission PLC-based control systems for electromechanical environments. Responsibilities include developing control logic, defining system integration requirements, producing documentation, and executing system testing and commissioning. Requires a degree in Systems Engineering or related field, 5+ years' experience in control systems/PLC engineering, and strong expertise in system integration and electromechanical automation.
Senior Software Developer
- Miniclip
- Lisbon
- May 22
Senior Full-Stack Developer to design, build, and own full-stack systems using Golang and Vue. Collaborate with teams across the software development lifecycle, ensuring quality standards and resolving production issues.
Sales Manager
- Octagon Group
- Porto
- May 22
Develop and execute sales strategies to grow market share in France. Identify and develop new business opportunities across target industries. Manage long sales cycles and build relationships with OEMs, suppliers, and integrators.
Car Rental Service Advisor (French C2)
- Boeva Tech
- Vila Nova de Gaia
- May 22
CONNECTIVITY & LEAD NETWORK ENGINEER (REMOTE)
- iTRecruiter
- Portugal
- May 22
Connectivity & Lead Network Engineer will drive network planning and optimization initiatives across 2G, 3G, 4G, and 5G networks. Responsibilities include leading optimization activities, validating technical performance of telecom solutions, and mentoring engineers.
Artificial Intelligence Engineer
- Accenture Portugal
- Portugal
- May 22
Design, build, and scale intelligent AI-powered solutions using machine learning and generative AI technologies. Develop robust AI application architectures and contribute to innovation.
Junior Android Software Engineer (all genders)
- TeamViewer Germany GmbH
- Porto
- May 22
DBA de SQL
- HN Services Portugal
- Portugal
- May 22
SQL Server Database Administrator needed to ensure performance, availability, and reliability of databases within a complex ecosystem. Responsibilities include query optimization, performance issue resolution, backup/recovery management, and data consistency across platforms. Requires 5+ years of SQL Server experience, T-SQL expertise, and experience with HA/DR strategies.
Comms & Marketing Manager
- Black Cat Cinema
- Portugal
- May 22
Black Cat Cinema seeks a Comms & Marketing Manager to lead communication across social media, newsletters, and marketing channels. The role involves creating engaging content, managing community interaction, and collaborating with creative teams. Fluency in Portuguese and English is required.
Project Manager / Content Manager (100% Worldwide remote - 6 months contract with potential extension - CET Timezone)
- Bitfinex
- Lisbon
- May 22
Python Developer
- KCS iT
- Portugal
- May 22
KCS IT seeks a Mid-Senior Python Developer with a degree in a related field and 3+ years of experience. The ideal candidate will have strong Python skills, experience with web frameworks (Django, Flask, FastAPI), and front-end frameworks (React or Angular). Fluency in English and Portuguese is required.
DevOps Engineer (m/f/d)
- Sofico
- Porto
- May 22
DevOps Proxy to bridge clients, development, and infrastructure operations. Set up, deploy, and manage environments and microservices. Support customer environments and provide consulting. Research and experiment with technologies to improve processes. Define deployment stack architecture and oversee release management. Experience with Kubernetes, OpenShift, or similar technologies and a public cloud provider required. Fluent English.
Transaction monitoring analyst
- Gi Group
- Portugal
- May 22
Reviews high-risk consumer and transaction monitoring alerts for potential money laundering or terrorism financing. Escalates findings for further investigation. Requires experience in KYC, EDD, AML, Transaction Monitoring, or Compliance within financial services.
Data Analyst
- Salt Services SA
- Portugal
- May 22
Data Specialist dedicated to Customer Service for a telecommunications operator. Analyzes operational data to optimize performance and customer satisfaction. Develops SQL queries, Power BI dashboards, and Python automation scripts. Collaborates with IT, Marketing, and Customer Service teams. Requires 3-5 years of experience and proficiency in SQL, PostgreSQL, Power BI, and Python.
Aerospace Engineering Manager (M/F)
- Experis Portugal
- Marinha Grande
- May 22
Leads industrialization and manufacturing of aerospace parts, collaborating with cross-functional teams. Develops technical documentation, manages risk, and supports quality assurance. Requires a Bachelor's degree in a relevant field and 5+ years of experience in aerospace manufacturing.
Billing Specialist
- Sterlington, PLLC
- Lisbon
- May 22
Billing Specialist needed for a fast-paced law firm. Prepare, review, and issue invoices accurately and on time. Work closely with partners and internal stakeholders to ensure billing accuracy and client satisfaction. 2-5+ years of experience in billing, accounts receivable, or finance operations required. Familiarity with AI-assisted billing tools and open to AI-augmented workflows.












































