freelance English-speaking jobs in Barreiro

Sales & Marketing Assistant to support sales campaigns, optimize content, manage press & media, and analyze marketing metrics.

Leads and manages the end-to-end delivery of daily transaction processing, security master management, and asset servicing across multiple asset classes. Drives client onboarding excellence and collaborates with technology teams on platform enhancements.

Designs and champions scalable cloud architectures across Azure and AWS. Defines and executes a cloud strategy and lifecycle aligned with business goals. Acts as a trusted advisor, helping teams design secure, compliant cloud solutions. Establishes and operates cloud governance, policies, and controls. Ensures cloud environments comply with company policies. Manages cloud platform providers and supports partners. Coaches, mentors, and upskills teams to operate confidently in the cloud.

Manage and optimize TikTok campaigns across multiple EU markets. Develop and execute creative strategies, conduct testing, and analyze performance data. Proven track record of scaling TikTok Ads budgets profitably required.

Implementation Analyst needed to deliver successful FeneVision product implementations. Provides support, guidance, and testing to ensure customer requirements are met. Manages tasks, creates documentation, and supports knowledge transfer. Requires 2-3+ years of software implementation experience and strong communication skills.

Provide customer support via phone and resolve inquiries for a global leader in Lisbon. Must be fluent in Greek, have good English (B2 level), and possess strong communication and problem-solving skills.

Sardina Systems seeks a Middle/Senior SysOps/System Administrator to deploy software, design automation tools, and support cloud environments. Requires Linux, network, and virtualization experience, along with proficiency in Ansible or Chef, Git, Python, and Shell scripting.

Develop and maintain VBA applications, including macros, Excel and Outlook plugins, and Access solutions. Collaborate with business units in Paris and Porto to identify and implement new opportunities.

Senior Backend Developer will design and build core components of Kerno's validation engine, including test generation and code analysis agents. Responsibilities include building and improving the platform layer, owning features end-to-end, and collaborating with the founding team on technical direction. Requires 8+ years of professional backend development experience, strong proficiency in Kotlin, and experience designing and building distributed systems.

ServiceNow Developer will design, configure, and implement customized solutions on the ServiceNow platform. Requires 2+ years of experience with ServiceNow modules and implementation projects, experience leading teams, and fluency in English and Portuguese.

Manages and shapes demand for all SKUs and network centers, using statistical models and commercial insights to create a consensus forecast. Provides support to the commercial area in estimating the impact of promotions and other activities. Participates in S&OP and scenario planning processes.

Senior .NET Software Engineer will build features, contribute to architecture design, and advocate for high code quality. Experience with .NET applications, REST APIs, and relational databases is required. Knowledge of Golang, Java, React/Javascript/Typescript, and cloud services is a plus.

ITRex seeks a DevOps Engineer to design, architect, and manage CI/CD pipelines using GitHub Actions. Responsibilities include implementing test-driven deployment systems, containerizing applications with Docker, and automating build, packaging, and publishing processes. The ideal candidate has 5+ years of experience in a DevOps, CI/CD, or Release Engineering role and strong knowledge of AWS cloud, IaC, and shell scripting.

As a Customer Success Engineer, you will drive long-term customer outcomes across the Veeam Data Platform. You will configure accounts, facilitate onboarding, and conduct assessments to build protection plans. You will also run recovery simulations, monitor churn risk, and engage with CISO/CIO stakeholders.

MailerLite seeks a Front-End Developer to contribute to the development of a new Drag & Drop builder. Responsibilities include creating the builder from the ground up, optimizing its performance, building reusable components, and implementing tests. The ideal candidate has 3+ years of experience with web technologies, including a reactive framework (Vue.js preferred), Tailwind CSS or similar frameworks, and REST-based APIs.

The Maintenance Manager plans, directs, and coordinates all maintenance activities to ensure safe and cost-effective plant operation. Leads a team, develops maintenance programs, minimizes downtime, and ensures compliance with safety and regulatory standards.

Full Stack Developer (Python + Vue.js) needed to develop and improve internal platforms. Requires 4+ years of experience with Python and JavaScript, experience with databases, and knowledge of Docker/Kubernetes. Must be fluent in Ukrainian and have good written English.

Senior Project Manager to lead software projects using Agile/Scrum methodologies. Translate product goals into technical tasks, manage sprints, and ensure project delivery. Must have 5+ years of experience in technical project management, a STEM background or strong technical understanding, and fluency in Portuguese and English.

Team Leader will coordinate team activities, assign tasks, and train new members on safety, processes, and quality standards. Responsibilities include responding to production orders, facilitating continuous improvement, and conducting daily meetings to monitor performance indicators. The role requires problem-solving skills, knowledge of quality tools, and fluency in Portuguese.

Experienced Finance Team Lead to oversee Accounts Payable (AP) and Accounts Receivable (AR) operations. Lead and mentor a team delivering AP and AR processes, ensuring accuracy, compliance, and service excellence. Drive month-end close activities, monitor KPIs, and implement process improvements.