freelance English-speaking jobs in Barreiro

An External Enquiries Analyst is needed to detect and investigate risks that could impact customers. Responsibilities include liaising with law enforcement, responding to court orders, conducting fraud investigations, and generating reports. Fluency in Swedish and English is required, along with 2+ years of FinCrime experience or 1+ years dealing with external law enforcement agencies.

Product Manager (IT) to define and implement value management frameworks, translate strategic objectives into measurable outcomes, and contribute to product roadmap prioritization.

The Events & Partnerships Manager will oversee and implement Liminal's event-driven marketing strategy across virtual and in-person platforms. This role manages webinars, conferences, and speaking engagements, including the annual CEO Summit. The ideal candidate is highly organized, operationally strong, and thrives in a fast-paced environment.

Accountant required to manage general accounting activities in accordance with Italian accounting principles (OIC). Responsibilities include recording transactions, performing reconciliations, preparing financial statements, and collaborating with auditors. Fluent Italian and English required.

Financial Controller Trainee to assist with data entry, reconciliations, and basic financial processing. Support monthly reporting, budget preparation, and forecast reviews. Requires a university degree in a relevant field, fluency in English, advanced Excel skills, and strong analytical abilities.

Full stack developer with 5+ years of experience in software development using Node, React, and related technologies. Experience with SQL and NoSQL databases, AWS, and CI/CD is required. Fluency in English is necessary.

Manages and validates project scope, plans, and schedules for moderately complex programs. Monitors risks, manages project delivery, and drives completion.

Tech Lead with 6+ years experience in full-stack development needed to guide technical decisions and support delivery of core systems. Expertise in Java, Spring Boot, React, and DevOps tools required.

Lead and develop engineering teams, setting technical direction and architectural standards for large-scale distributed systems. Manage delivery, performance, and career progression while aligning technical execution with business priorities.

Senior Tech Lead to design and architect innovative payment solutions using Java 17/21, Spring Boot, and a modern tech stack. Lead a team in Porto, collaborating with international stakeholders. 5+ years of experience in backend architecture within financial services or payments required.

Develop and maintain iOS interfaces, ensuring seamless integration with KMM shared logic and backend services. Contribute to tech and architecture decisions, particularly in the context of mobile applications. Perform code reviews for iOS and Android/Kotlin Multiplatform projects. Coach developers about iOS best practices.

Manage a team of cloud solutions architects, designing and implementing private and public cloud solutions for customers. Responsibilities include leading, coaching, and mentoring engineers, representing the team to stakeholders, and participating in technical presales. Requires knowledge of cloud computing technologies, Linux, networking, and experience in technical presales.

Experienced Payroll Manager needed to oversee end-to-end payroll operations for Portugal, ensuring accuracy, compliance, and timely processing. Manage payroll team, liaise with external providers, and ensure compliance with local legislation.

Senior Full Stack Engineer to deliver end-to-end features, refactor systems, and contribute to a rebranding initiative. Requires 8+ years of experience, proficiency in TypeScript, Node.js, React, and PostgreSQL, and strong system design skills.

Senior MuleSoft Developer to design, develop, and implement integration solutions using MuleSoft Anypoint Platform. Will configure software, build APIs, and collaborate with architects and business analysts. Requires proficiency in MuleSoft Anypoint Platform, Java, and integration patterns.

Jobbex seeks a SAP SuccessFactors expert to provide functional and technical support for an EC Time project. Responsibilities include designing, building, and configuring Time Off and Time Tracking solutions, ensuring system integration, and producing documentation.

Research scholarship for a Master student to analyze SCION router design and propose improvements, focusing on security mechanisms. The scholarship is for 3 months, potentially renewable, and will be based at NOVA Laboratory for Computer Science and Informatics.

.NET and Python Developer needed with 6+ years C# experience and proficiency in OOP, design patterns, web APIs, and SQL/ORM frameworks. Must be located in Portugal and proficient in English.

Leads the development and maintenance of the Logboard platform, ensuring its security, scalability, and maintainability. Coordinates a team of developers to design, develop, and implement projects and improvements. Translates stakeholder requirements into technical solutions and identifies opportunities for platform optimization.

Drive new business from institutional clients in the digital asset industry. Serve as a subject matter expert for the Global Markets suite of products, providing high touch service and support to clients across protocols, venture capital, and hedge funds.