freelance English-speaking jobs in Valongo

Java Backend Engineer to join the e-commerce payment platform team. Responsibilities include integrating payment methods, developing APIs, and maintaining critical systems. Requires 3+ years of Java experience with modern frameworks.

Architect HR technology solutions by designing scalable analytics, automation, and AI across systems. Define data models and lead integrations between SAP SuccessFactors and enterprise platforms. Requires 5+ years in HR tech or enterprise architecture.

HUGO BOSS seeks a Senior Sales Associate for the BOSS Outlet Algarve. This full-time role requires providing excellent customer service, maximizing sales targets, and identifying customer needs. Candidates must have luxury retail sales experience and fluency in English or Chinese.

Danish-Speaking Customer Advisor role supporting a global tech brand. Resolve customer inquiries via phone, email, and chat regarding products and technical issues. Requires fluent Danish and professional English, working remotely from Portugal.

Key Account Manager OOH develops commercial strategy for OOH customers. Responsibilities include P&L management, driving growth through joint planning, and managing negotiations. Requires experience in Key Account Management with strong analytical and relationship skills.

Client Services Associate role connecting clients with global experts. Duties include understanding briefs, expert sourcing via AI and online resources, and vetting experts. Must be fluent in English and German.

Define the strategy and roadmap for Data Science, ML, and AI. Lead a multidisciplinary team to build scalable solutions for personalization, forecasting, and waste reduction. Requires 8+ years in Data Science with ML leadership experience.

Site Infrastructure Manager to plan and oversee all temporary and permanent site infrastructure for data center projects. Responsibilities include managing site logistics, utilities, and coordinating with contractors and authorities. Requires a relevant degree and significant infrastructure delivery experience.

Automotive Customer Support Specialist providing expert assistance via phone, email, and chat. Support covers vehicles, services, accounts, orders, and subscriptions. Requires fluency in Danish (C1/C2) and English (B2).

Senior Product Manager needed to own product roadmap, define vision, and drive execution. Requires 5+ years of experience shipping products that moved business metrics, strong data skills, and working knowledge of AI/ML. Must be comfortable in a fast-paced environment and collaborate with engineering, design, and go-to-market teams.

Develop and maintain scalable Full Stack solutions using Node.js, TypeScript, and React. Collaborate on product features, improving system reliability and performance within cloud infrastructure. Requires 4+ years of development experience.

Customer Renewal Specialist needed to manage renewals and drive expansion in the French-speaking region. Requires fluency in French and English, focusing on building customer relationships and identifying upsell opportunities.

Senior Engineering Lead responsible for technical project delivery, people leadership, and technical innovation. Must manage engineering teams, drive product strategy, and implement AI-first and Agile methodologies.

Lead complex Digital Risk engagements, supporting clients in assessing and managing technology risks and governance challenges. Requires 6+ years in IT Risk/Audit, strong leadership, and a relevant degree.

Lead full-stack engineering as a hands-on Team Lead for the back-office platform. Design and build internal tools, admin platforms, and ops consoles. Requires mastery of JavaScript, React, and TypeScript, with experience in RBAC and audit trails.

Join an AI engineering team building reliable AI infrastructure for manufacturing systems. Develop MCP servers, observability, and retraining pipelines. Requires 1+ year ML/LLM experience and strong software engineering fundamentals.

Customer Service Agents needed to provide German support via phone, email, and chat for a global brand. Responsibilities include assisting with inquiries, orders, and complaints. Requires native or fluent German (C1-C2) and good English.

Own and improve the CRM ecosystem, primarily HubSpot and Planhat, by designing and building automations. This cross-functional role optimizes operational processes, manages integrations, and drives software cost efficiency.

Talent Acquisition 360 Consultant role requires 5+ years in 360 Recruitment, focusing on business development, client relationship management, and end-to-end recruitment. Must have a strategic mindset and proven revenue generation skills.

Fluent in French and English, this Trust & Safety Specialist investigates user reports, analyzes behavior, and enforces platform policies to ensure a safe and respectful online environment.