English-speaking jobs in Seia

Senior Product Manager to own category performance end-to-end, driving commercial growth, portfolio strategy, and cross-functional execution.

The Senior Specialist, AI Fraud & Security Solutions will execute the strategy of Expert Support, helping customers maximize the value of Mastercard's AI suite of products. This role involves analyzing customer performance, collaborating with product teams, and providing training and support to optimize product utilization and fraud management.

Customer Support Senior Associate specializing in Fraud will provide first-line customer support via chat, email, and phone. Responsibilities include investigating fraud cases, resolving customer issues, and escalating complex cases. Experience handling fraud/financial crime customer contacts and support tools like FreshWorks, Intercom, or Zendesk is required.

Senior Machine Learning Engineer will design, build, and deploy ML systems for document processing, web parsing, classification, search, and matching. Experience with LLMs, prompt engineering, and fine-tuning is required.

Test Engineer to ensure high quality standards for Maxi-Cosi and Bebeconfort products. Manual and automated testing, bug identification, and test strategy development. 3+ years experience as a Test Engineer and strong understanding of Agile/Scrum methodologies required.

Technical Support Engineer / Java Support Developer to join a global IT team supporting Trade Finance systems. Manage and resolve production incidents, perform root cause analysis, and monitor application health.

The Logistics Specialist processes aircraft material, ensuring high quality and timely provision. Responsibilities include receiving, storing, supplying, and shipping materials, inputting data, and communicating with colleagues, customers, and vendors.

Lead and mentor a team of frontend engineers, designing and implementing scalable frontend architecture for an e-commerce platform. Collaborate with product, design, and backend teams to translate business requirements into technical solutions. Analyze and optimize application performance, ensuring accessibility and maintainability.

Senior Fullstack Engineer to architect and develop high-quality software. Drive complex features end-to-end, optimize codebase, and mentor engineers. Champion modern development standards and collaborate across functions. Experience with C#, Python, Nuxt, PostgreSQL, and AWS is preferred. Fluency in Portuguese and English required.

Account Manager to lead business development and strategic marketing for a performance marketing agency specializing in iGaming. Manage clients, drive sales, optimize campaigns, and represent the brand at industry events.

Contract Analyst manages the contract lifecycle, ensuring accuracy, compliance, and seamless processes. Responsibilities include drafting, reviewing, and administering contracts, coordinating signatures, and collaborating with internal and external stakeholders. Requires 2+ years of experience in detail-oriented work, strong communication skills, and proficiency in Microsoft Office, CRM, and project management systems. Fluency in English and French is mandatory.

Senior QA Analyst for a leading financial institution in Porto. Collaborate with teams to develop and execute test plans, cases, and scripts. Ensure optimal software quality through functional, regression, and performance testing. Identify and track defects, participate in agile ceremonies, and refine testing processes. Requires 6+ years of QA experience in banking or finance, strong Jira Xray expertise, and fluency in English and French.

Financial Controller & Certified Accountant needed to manage financial operations, funded projects (PT2030 & European), and ensure compliance. Must be a Certified Accountant (OCC) with experience in accounting, tax, and managing funded projects. Fluency in English and Portuguese required. Remote work experience and proficiency in digital tools are essential.

Senior full-stack web developer to join the web team and work on new features and maintain existing solutions. The tech stack includes PHP 8.4, Symfony, MySQL, Redis, MongoDB, RabbitMQ, JavaScript, TypeScript, React, Three.js, and Docker.

The Compliance - Associate will research and advise on country-specific rules for marketing and selling foreign funds to local investors. This role involves monitoring regulatory updates, collaborating with compliance officers and other teams, and ensuring adherence to regulatory mandates and internal protocols.

Electrical Engineer needed for design, development, and testing of electrical equipment and systems. Must have a Bachelor's degree in Electrical Engineering or related field and 2+ years of experience. Proficiency in CAD software and industry standards required.

Provides first-line technical support for incidents, resolving routine and non-routine issues related to products like Microsoft software, operating systems, and basic networking.

Support and review AI/GenAI use cases from design through production. Define security requirements for AI platforms, APIs, agents, tool use, and integrations. Perform architecture reviews, threat modeling, and security reviews of AI solutions. Validate integrations and deployments against security, privacy, logging, and auditability requirements. Identify and mitigate risks associated with AI security. Contribute to AI security governance, standards, and secure-by-design patterns.

Business Process Manager to drive revenue growth, design and optimize commercial processes, and lead incentive programs. Requires analytical and execution-focused professional skilled in building data-driven frameworks. Collaborate cross-functionally with Sales, Analytics, Finance, and Regional Directors.

Associate Business Analyst will extract, analyze, and interpret data from Snowflake using SQL to deliver actionable insights. Responsibilities include building dashboards, reporting solutions, and conducting ad-hoc analysis to support business decision-making.