ruby English-speaking jobs in Matosinhos

We are seeking a Spanish-speaking B2B Sales Customer Expert to join our international team in Lisbon. The role involves outbound sales and client acquisition, supporting business customers through a digital platform solution. Responsibilities include contacting potential clients, presenting platform solutions, managing the full sales cycle, and achieving monthly sales targets.

Define product strategy and roadmap for engagement and loyalty across Kraken and Pro products. Own key product metrics and drive product development across the full lifecycle. Collaborate with Engineering, Design, and Analytics to run A/B and multivariate tests. Partner with Marketing and Lifecycle teams to build targeted engagement campaigns.

Backend Engineer will design, build, and maintain scalable microservices primarily using Kotlin. Collaborate with cross-functional teams to develop solutions across Platform, Services, SMB, and other domains. Analyze system performance and implement optimizations. Participate in code reviews, post-mortems, and mentor other engineers.

Senior AI Software Engineer will design, develop, and deliver production-grade AI/ML solutions. Responsibilities include technical leadership, ensuring model production readiness, optimizing AI solutions for performance and cost efficiency, and designing cloud-native AI systems. Requires 6-10+ years of software engineering experience and 3-5+ years of hands-on experience building and deploying AI/ML systems. Strong proficiency in Python, Java, or equivalent backend languages and AI/ML frameworks (TensorFlow, PyTorch, Scikit-learn) is essential. Experience with cloud platforms (AWS, Azure, GCP), containerization (Docker), orchestration (Kubernetes), and CI/CD pipelines is required.

Aligned is seeking 25 part-time, remote Portuguese-English bilingual consultants to evaluate AI model outputs, assess cultural context, translate, and identify areas for improvement.

Senior IT Project Manager delivers a portfolio of IT and business change projects, ensuring alignment with business strategy and governance standards. Manages project scope, budget, quality, and timelines while collaborating with cross-functional teams and stakeholders. Requires 7+ years of project management experience, preferably in the electronic payment industry.

Quality & Reliability Engineer will ensure product and process quality compliance throughout the New Product Development lifecycle. Responsibilities include acting as the quality interface between customers and internal stakeholders, leading FMEAs, supporting Manufacturing Engineering with statistical analyses, and creating control plans.

Technical Product Manager needed for a new developer-centric certification platform. Requires 4-7+ years of experience in technical product management, engineering, or hybrid roles with hands-on development background in modern web stacks (Laravel, Vue.js). Must have expert understanding of web architectures, APIs, integrations, and cloud systems. Collaborate with engineers on system design, APIs, and integrations. Define and maintain technical product requirements. Lead development of advanced exam features. Proactively unblock engineers and make pragmatic decisions balancing MVP requirements with scalability. Partner with design teams to create intuitive experiences. Monitor platform usage and performance for continuous improvement. Engage with users, partners, and vendors. Manage and evolve the product roadmap. Utilize analytics to track user flows, exam completion rates, and feature adoption. Work with marketing and business stakeholders to optimize conversion and usage metrics. Continuously track platform health and reliability. Explore and integrate AI-powered features.

Provide customer support for social media business users across multiple channels (chat, email, phone). Assist with advertising tools, troubleshoot technical issues, and share customer insights. Must be fluent in Dutch (C2 level).

Lead Server at Vino Restaurant, a W Hotel, providing a memorable dining experience for guests. Responsibilities include setting tables, communicating with the kitchen, serving guests, and maintaining a clean work area. Must be able to stand, sit, or walk for extended periods and lift up to 25 pounds. High school diploma or equivalent preferred.

Provide strategic digital advertising advice to businesses, identify upselling opportunities, and deliver outstanding customer experiences. Requires a degree or equivalent experience, at least 1 year in digital marketing (PPC preferred), and knowledge of Google Ads, AdSense, or YouTube.

Intermediate Fullstack Developer to create intuitive digital products using React.js, Angular.js, Node.js, Python, and other technologies. Requires 2+ years of experience, a Computer Science background, and fluency in English.

Senior .NET Developer with 5+ years of experience building and evolving software products. Experience with Angular or Node.js, microservices, and CI/CD environments required. Fluency in English and strong communication skills are essential.

Cyber Security Operations Associate will review and respond to security alerts, triage incidents, and develop security detections. Requires 2-4 years of security experience, Splunk or SIEM experience, and knowledge of cyber threats and security frameworks.

The Shareholding Support Analyst optimizes and supports Employee Shareholding operations and HR processes for Europe. This role ensures operational efficiency, compliance, and data integrity by collaborating with internal and external stakeholders. The Analyst will manage shareholder data changes, validate early release requests, and assist employee shareholders with formalities.

Critical TechWorks seeks AI Masterminds to architect, build, and optimize AI pipelines, develop and deploy machine learning models, and implement robust CI/CD workflows for AI.

The Service Delivery Manager will coordinate and facilitate contracted e-commerce services for one or more customers. Responsibilities include developing and maintaining customer relationships, ensuring service level agreements (SLAs) are met, managing escalations, and conducting service reviews. The role requires strong communication, problem-solving, and leadership skills, as well as experience in a support function and ITIL v3 processes.

General Accounting Country Specialist will process daily accounting activities, ensuring accurate transactions, meeting closing deadlines, and complying with regulations. The role involves account reconciliation, analysis, financial reporting, and collaborating with internal and country teams.

Technical Manager - Building Services needed to ensure proper functioning of facilities and equipment. Responsibilities include planning maintenance, creating manuals, assigning work, and leading a team. Proven experience in maintenance management and technical areas is required.

Java Fullstack Developer will develop robust and efficient solutions utilizing Java ecosystem, AngularJS/Angular, and Spring Boot frameworks. Responsibilities include building user interfaces, backend services, and implementing continuous integration principles. Requires at least 4 years of Java experience and proficiency in English.