English-speaking jobs in Seia

Senior Java Developer sought for hybrid role in Lisbon or Porto. Requires 3-4+ years experience, strong Java (version 1.8 or higher) and Spring Framework expertise, microservices architecture knowledge, and CI/CD pipeline experience. Fluent English required.

Develop and maintain Python backend services and data processing components for telecom QoS and QoE measurement platforms. Design APIs, handle large data volumes, and collaborate on system architectures.

Senior Frontend Developer will contribute to the development of a new e-commerce Back Office platform using React 18+, Next.js 14+, TypeScript, and related technologies. Responsibilities include architectural recommendations, end-to-end feature ownership, and collaboration with cross-functional teams. Requires 5+ years of experience with modern frontend technologies, greenfield projects, and a strong understanding of web development best practices.

Finance Planning & Analysis Manager needed to drive financial insight and strategic decision-making. This role partners with senior stakeholders to translate financial data into actionable insights. Responsibilities include budgeting, forecasting, performance analysis, risk management, and leading a reporting team.

Experienced Cloud Engineer to design, build, and maintain scalable cloud infrastructure on AWS. Responsibilities include provisioning resources, implementing CI/CD pipelines, troubleshooting issues, and collaborating on DevOps practices. Requires strong AWS, Linux/Unix, containers, and IaC experience.

Senior Licensed Accountant needed to maintain general ledger, prepare financial statements, manage tax filings, and ensure compliance with IFRS and Portuguese accounting standards.

Experienced Frontend / UI Developer needed for 12-month maternity cover contract. Optimize website UX, improve internal systems, and shape user experiences for global brands. Must have deep understanding of Next.Js 14+, TypeScript, React 18+, Tailwind CSS, and frontend security best practices. Fluent English required.

Junior Angular Developer needed with at least 1 year of experience in Frontend Development. Must have practical experience with Angular (components, routing, services, guards), HTML5, CSS3, and responsive design. Experience with RESTful APIs (HTTP/REST), including authentication/authorization, and version control systems (Git) is required. Fluency in Portuguese is necessary.

Design composite components for wind turbine blades using CATIA V5. Develop and maintain FMEAs, utilize Six Sigma methodology, and drive integration of elements into new blade designs. Collaborate with internal and external stakeholders, manage project roadmaps, and support prototype builds.

Lead and grow a high-performing residential sales team in Lisbon. Own the commercial strategy for residential sales, drive the full sales cycle, and exceed KPIs.

Customer Support Assistants (Dutch) needed for a prestigious client company. Responsibilities include confirming and scheduling logistics equipment collection, providing customer information, and handling queries.

Designs, implements, and executes manual and automated tests for charging systems and software solutions. Analyzes requirements and specifications to develop test strategies and cases. Collaborates with R&D, Operations, and Marketing teams to ensure product quality.

Senior Quality Assurance Engineer will design and develop automated tests, analyze results, and coach teammates. Collaborate with cross-functional teams to maintain high standards of product excellence. Requires 5+ years of experience as a Quality Assurance Engineer with focus in test automation. Experience in both manual and automated testing methods, development languages (JavaScript, Python, Java), and testing tools (Cypress, Playwright, Selenium, K6, Jmeter).

As a DevOps Engineer, you will maintain and optimize our scalable, secure, and automated infrastructure across cloud and hybrid environments. You will build highly reliable systems, enable fast and safe software delivery, and ensure cost efficiency, security, and operational excellence. Responsibilities include designing, implementing, and maintaining infrastructure, managing CI/CD pipelines, supporting containerized environments, and implementing robust monitoring systems.

This remote Application Security SME will manage application security tooling (Snyk, Invicti, Intigriti, Sonatype), lead platform migrations, and provide expertise for secure development reviews, threat modeling, and cross-functional alignment.

Principal Game Designer for Hole.io will design, prototype, and refine gameplay features. The role focuses on core mechanics, player interaction, and overall game feel. Requires 7+ years of experience in F2P mobile game design, Unity experience, and a strong understanding of game feel and player control.

RealAdvisor seeks a hands-on Country Manager to launch and scale operations in Portugal. Responsibilities include defining go-to-market strategy, building a sales team, and owning revenue targets and P&L. Must have 4-6+ years of experience in SaaS sales, launching or scaling markets, and managing sales teams. Fluent Portuguese and English required.

Tether seeks a Social Media Manager to promote QVAC AI, a decentralized AI platform. The role involves translating complex AI concepts into engaging content for developers and broader audiences. Experience marketing AI products, understanding AI terminology, and communicating with technical audiences is required.

Biomedical Scientist to design and execute laboratory experiments using blood-derived samples, interpret spectroscopic data, and support clinical study setup. Requires a PhD in a relevant field and experience with spectroscopy and laboratory experiments.

Develop software for critical systems in a collaborative R&D environment. Requires a degree in Computer Engineering or similar and experience in C/C++ (preferably C++ 11 or later). Fluent English required.