freelance English-speaking jobs in Leiria District

Principal Software Engineer to lead technical strategy for a high-revenue web platform and mobile app. Responsibilities include architecture design, server-side rendering, data layer management, and performance optimization. Must have experience with Node.js, React, MySQL, BigQuery, and GCP.

Product Owner to define and deliver client- and partner-facing digital products. Translate legal and operational needs into intuitive user experiences and collaborate with cross-functional teams to launch scalable solutions.

Develop and maintain scalable backend microservices using Java Spring Boot or similar frameworks in Azure Cloud. Design and optimize RESTful APIs, implement CI/CD pipelines, and manage SQL and NoSQL databases.

Designs and delivers global digital upskilling programs for BCG, translating strategic direction into learning strategies and scalable initiatives. Collaborates with stakeholders across Digital, AI, Practice Areas, and People teams to embed upskilling into firm operations. Manages multiple workstreams, tracks program impact, and continuously improves learning solutions.

Account Manager to drive sustainable business growth in targeted operating room accounts. Develop and execute account plans, secure sales opportunities, and act as a clinical consultant for customers. Requires 5+ years of commercial experience in the Medical Devices sector and experience as an OR instrument nurse (preferred).

An Internal Account Director develops and implements recruitment and retention (R&R) strategies to meet customer goals within assigned therapeutic areas. They work with sales, project teams, and customers to understand needs, develop solutions, and identify growth opportunities.

Senior Epidemiological Programmer will lead development of datasets and conduct longitudinal analyses for observational studies in virology. Requires experience with EMR and claims data, statistical programming (SAS/R), epidemiological study design, and managing multiple studies.

Application & Systems Integration Engineer will develop flexible thin film solar cells, conduct mechanical testing, and integrate solar cells into power systems.

Backend Engineer responsible for the full software development lifecycle using Java and other technologies. Experience with high concurrency, client-server protocols, and design patterns is required. Excellent communication and problem-solving skills are essential.

Founding Marketing Lead to build growth from beta to 10k users. Develop marketing strategy, community building, brand storytelling, and experimentation. Lead PR, user-generated content, and early marketing budget management.

Solution Architect for Dynamics 365 Finance & Operations implementations. Leads design, coordinates teams, and provides expert advisory support to customers on business system design and implementation best practices. Requires 7-10+ years of ERP consulting experience, strong Dynamics 365 F&O expertise, and proven project delivery track record.

Project Controls Senior Engineer will manage commercial and scheduling aspects of data center construction projects. Responsibilities include preparing estimates, reviewing cost planning, monitoring schedules, and identifying risks. Requires estimating/quantity surveying qualification, 5-8 years' experience, Primavera P6 proficiency, and strong communication skills.

Experienced Project Manager to lead and coordinate non-IT management consulting projects. Requires proven experience in project management, strong stakeholder management, and proficiency in MS PowerPoint and Excel.

Architect and evolve enterprise-scale data platforms, defining standards for data integration, storage, processing, and governance across cloud environments. Lead the design and implementation of data governance frameworks, embedding quality, lineage, and classification by design.

Leads the implementation, support, and evolution of transportation technology solutions within J&J's supply chain. Responsible for technical leadership, stakeholder collaboration, and continuous improvement of transportation applications. Drives development and selection of technical solutions, tests concepts, and documents system enhancements. Collaborates with business product managers and development teams to define product strategy and gather requirements.

Java Spring Boot Middle Developer sought for national and international projects. Requires 3-5 years of Java experience, including API development in distributed systems. Experience with Spring Boot, relational and non-relational databases is essential.

Workplace Engineer to design, manage, and optimize hybrid and cloud-based device management solutions in enterprise environments with a focus on Microsoft technologies.

Fullstack Developer to join an Agile team and contribute to the development, modernization, and maintenance of web applications.

Citrix Expert required with expertise in Citrix CVAD, NetScaler, and Citrix ADM. Must have strong scripting and automation skills with PowerShell and experience designing, implementing, and maintaining secure Citrix environments.

Cloud Developer with 3+ years of experience in AWS, Java, Python, or Golang. Must have experience with microservice architectures, code optimization, and technologies like RDBMS, NoSQL, and Big Data.