freelance English-speaking jobs in Valongo

Associate Implementation Engineer combines pre-sales and post-sales technical expertise. Designs solutions, configures the platform, and delivers client training. Collaborates with cross-functional teams to ensure successful client onboarding and ongoing support.

Experienced Backend Engineer needed for AI team. Design, implement, and deploy state-of-the-art services and software using Python (Fast API), cloud platforms, and Kubernetes. Collaborate with data, ML, and DevOps engineers.

Senior Fixed Income & Rates Technology Specialist provides expert support for mission-critical trading platforms during the NY session. Responsibilities include front office support, QA engineering, and L2 technical ownership. Requires 8-10+ years of experience in Front Office Trading Systems support or engineering with a deep understanding of Fixed Income products. Must have advanced SQL, scripting, and programming skills, as well as experience with Jira, Xray, and cloud technologies.

The R2R - General Accountant - Intercompany role involves delivering analysis and reconciliations of general ledger accounts activity, managing Profit and Loss accounting, and ensuring timely and accurate financial results.

Electronics Engineer to design, prototype, and validate electronic systems for printed e-paper displays. Responsibilities include firmware development, PCB design, integration, and testing. Requires experience in embedded systems, C/C++, Python, and PCB design tools.

Experienced professionals in iGaming, Fintech, or Sportsbook sectors sought. Proven track record in driving GGR, managing compliance frameworks, and optimizing Player LTV.

VALD seeks a Business Development Manager with a background in allied health to demonstrate and sell human-measurement technology to clients in clinical, performance, and tactical settings. The role involves product trials, lead nurturing, and representing VALD at conferences. Must have excellent communication skills, be comfortable with targeting new clients, and be able to travel. Fluency in Portuguese and English is required.

Technical AI Consultant will design and deploy AI applications using Python and frameworks like LangChain, LlamaIndex, or Haystack. Responsibilities include prompt engineering, RAG implementation, and technical workshops. Must have 1+ year of experience in a technical role involving AI and strong proficiency in Python.

Provides customer support via voice, investigating, troubleshooting, and resolving issues. Ensures high standards are met and work is efficient. Acts as a trusted advisor, listens to customer concerns, and tracks issues. Seeks opportunities to add value through education and proactive solutions. Must have experience in customer service/support, strong problem-solving abilities, and fluency in English and Spanish or Portuguese.

Technology Consultants will receive IBM training and certification, working on real projects for clients in banking, insurance, and other sectors. Responsibilities include supporting testing, collaborating with teams, and continuous learning. Basic IT knowledge is required.

Manage high-value client relationships and property transactions within the luxury real estate market in the Algarve region. Responsibilities include client management, property promotion, negotiation, market analysis, and proactive prospecting. Must have a driver's license and own vehicle. Residency in the Algarve region is required.

Develop and execute a 360º integrated marketing strategy for a premium eyewear brand. Manage the marketing department, brand strategy, and marketing budget. Drive brand awareness and retail sales through global and regional communication campaigns. Analyze campaign performance and optimize strategies. Collaborate with sales, design, and PR agencies.

Enhance guest experiences at a luxury resort, ensuring smooth operations and exceeding expectations. Manage guest requests, coordinate arrivals/departures, and resolve issues promptly. Strong communication, problem-solving, and organizational skills are essential. Previous hospitality experience and fluency in English are required. Must be a resident of Greece or Portugal or hold EU nationality.

Mecwide's HSE Trainees Program is for recent graduates in Occupational Safety and Environment, Safety at Work Engineering, or HSE Accredited Technicians. The program offers paid training, accelerated career progression, and exposure to various technical and business areas. Applicants must have an HSE certificate or be in the process of obtaining one and proficiency in English.

Accountant will manage monthly, quarterly, and year-end financial closing and reporting, including reconciliations, general ledger entries, and cost allocations. Support resolution of complex accounting tasks and participate in process improvement initiatives. Requires 4-5 years of accounting experience with 2+ years in closing & reporting and general ledger reconciliations. Experience with SAP and Excel is required.

Ensures accurate monthly payroll processing, including salaries, allowances, overtime, absences, and benefits. Complies with Portuguese labor, tax, and social security legislation related to payroll. Prepares and submits mandatory payroll-related legal declarations. Supports internal and external audits related to payroll and administrative processes. Supports invoice control, follow-up, and internal validation workflows. Registers, validates, and organizes supplier invoices in internal systems. Ensures accurate record-keeping and documentation.

Growth Manager to own and scale Nixar's growth engine across acquisition, activation, and revenue. Design and run growth experiments, identify scalable go-to-market levers, and turn successful experiments into repeatable processes.

IT Business Analyst to join the IT CIB Financing Operations team, responsible for Loan IQ maintenance and support. Requires 3+ years of experience as an IT Business Analyst, mandatory Loan IQ experience, and experience in Banking or Fintech environments.

Senior Cloud/Platform Engineer with 5+ years of experience in large-scale cloud environments, specializing in Microsoft Azure. Requires strong hands-on experience with AKS, cloud-native technologies, and infrastructure automation using Terraform.

Define technical foundations for iOS development, set standards for code design, and actively develop the architecture of mobile applications. Collaborate with product managers and developers, bringing deep technical understanding to complex projects.