freelance English-speaking jobs in Aveiro District

Junior Android Developer will collaborate with teams to design and ship new features for Android applications. Responsibilities include code reviews, testing, and staying up-to-date with mobile development trends. Requires a Bachelor's degree in Computer Science or related field, proficiency in Java and Kotlin, and experience with Android SDK and RESTful APIs.

Machine Learning Engineer to design, develop, and implement machine learning algorithms and models. Responsibilities include building machine learning infrastructure, collaborating with data scientists and software engineers, and conducting research on new techniques. Requires a bachelor's or master's degree in a related field, 2+ years of experience, and proficiency in machine learning techniques and programming languages.

Designs, develops, and implements new and existing games for various platforms. Collaborates with artists, designers, and programmers.

Support and facilitate agile routines, improve transparency of priorities, and contribute to continuous improvement of team collaboration. Assist with test and sample coordination, including logistical aspects of the Design Validation Plan.

Junior Developer to assist with software application development and maintenance. Must have 1+ year of experience, knowledge of Java, C++, Python, and web development frameworks.

Technical Sales Engineer needed to build and maintain relationships with ESS clients, develop sales strategies, and provide technical solutions. Requires 2+ years of experience in BESS systems, utility-scale solar, or industrial solar panels. Must have a relevant engineering degree and proficiency in English.

Design, implement, and maintain complex software applications using Java. Collaborate with teams to develop innovative solutions and translate business needs into technical requirements.

AI Architect / AI Lead will set the technical direction for AI development and usage within a leading SaaS provider. This individual contributor role requires 10+ years of experience designing and shipping AI/ML systems in production, with a focus on modern LLMs and distributed systems. Strong communication and a track record of influencing technical direction are essential.

Lead and execute global People & Culture strategy for a fast-growing medical cannabis company. Build a strong culture, scalable processes, and high-performing teams across regions.

Develop innovative cosmetic products from concept to industrialization. Formulate new products, manage projects, and collaborate with internal and external teams. Minimum 2 years experience formulating personal care products, preferably suncare and skincare.

Supports the European SOX & Compliance team in performing control testing, documenting processes, and ensuring compliance with Sarbanes-Oxley (SOX) requirements. Executes SOX test procedures, documents results, and identifies potential control deviations.

Android Developer will implement, test, and refine new features for an Android Automotive application stack. Responsibilities include collaborating with cross-functional teams, translating requirements into technical solutions, and diagnosing and resolving software defects. Must have advanced Android development expertise, including Kotlin, Java, Android SDK, Architecture Components, and Android Framework knowledge. Experience with Android Automotive OS, AAOS application models, and HMI constraints is preferred.

Lead SAP IBP S&OP workstream with several years of experience. Manage business and consultant stakeholders, demonstrate strong leadership, organization, and communication skills. Fluent in English required.

Leads Commissioning, Qualification, and Validation (CQV) activities for facilities, equipment, and systems in compliance with GMP and regulatory requirements. Develops and executes CQV strategies, including DQ, IQ, OQ, and PQ. Plans and manages commissioning activities, including FAT and SAT, coordinating cross-functional dependencies and project timelines.

Provide customer support in Polish and English for a global social media platform. Resolve issues related to orders, logistics, and platform functionality.

DevOps Engineer needed with 3+ years of experience in IT Operations, DevOps, or SysOps. Must be proficient in Terraform and Kubernetes, have experience with CI/CD pipelines and Ansible, and possess strong cloud/infra experience. Fluency in Portuguese is required.

Manages and optimizes enterprise data platforms, API integrations, and technical data flows across the organization, with a focus on Pharma operations. Serves as the primary IT point of contact for Data Integrators, managing contracts, SLAs, and issue resolution. Designs, builds, and maintains API integrations across core systems and manages and optimizes databases and cloud data platforms. Ensures data security, reliability, compliance, and accessibility.

Finance Junior Functional Consultant to join ARQUICONSULT's ARQUI Academy for a 9-month training program. Requires a degree in a relevant field, basic data structures knowledge, and understanding of financial business processes. Fluency in English and Portuguese is essential.

Software Engineer with 3+ years of Java and Spring Boot experience needed. Design and develop REST APIs, work with SQL/NoSQL databases, and have experience with microservices architecture.

Clearance Broker Associate will review shipment data, create clearance declarations, and resolve customer and customs disputes. Experience with import/export processes and regulatory requirements is desired.