freelance English-speaking jobs in Valongo

Manage the full recruitment cycle for IT roles, including job descriptions, candidate sourcing, and interviews. Requires 6 months to 2 years of recruitment experience, a bachelor's degree in a related field, and fluency in Portuguese and English.

DevOps and Security Engineer will contribute to Azure, Cloud & Applications, M365 administration, security configuration and monitoring, and full lifecycle management of cloud applications. Responsibilities include implementing security standards, performing security monitoring, supporting incident response, and applying Infrastructure as Code and GitOps practices.

Solution Architect to design, develop, and implement D365 F&O systems architecture. Requires 4+ years of experience leading end-to-end solutions on the D365 platform, including X++, Azure, and Power Platform. Must have strong communication and leadership skills and be willing to relocate to Malta.

Java Developer with 7+ years of experience in Java, Spring Boot, Spring Batch, Hibernate, REST API, Pivotal Cloud Foundry, Jenkins, and GIT. Collaborates with engineers and tech leads to deliver exceptional user experiences. Troubleshoots complex problems and documents application knowledge.

Data Architect needed for a growing team. Solid experience in data architecture principles, data modeling, and database schemas required. Proficiency in SSIS, SSAS, SSRS, and PowerBI is essential. SQL Server experience is necessary, Azure Cloud Synapse experience is a plus. Fluent English required.

Unreal Engine Developer (C++ / Mobile) will design, build, and optimize interactive systems, UI experiences, and multiplayer features for a cross-platform Virtual Swimming platform.

Software Engineer will join the Risk Engine team, responsible for evaluating transactions and scoring risk in real time. Responsibilities include writing reusable code, contributing to best practices, and participating in the full software development lifecycle. Requires 3+ years of experience building Java backend software, strong coding skills, and experience with distributed systems.

Leads high-impact lifecycle marketing initiatives to activate, convert, and retain learners. Designs and optimizes lifecycle marketing strategies across key customer journeys using Email, Push, and in-Product channels. Analyzes CRM performance and collaborates with Product, Data, and Creative teams. Requires 6+ years of experience in CRM/Lifecycle Marketing roles in large tech or e-commerce companies.

Data Scientists analyze complex datasets, develop machine learning models, and communicate findings to stakeholders. Experience in statistical analysis, machine learning, and data visualization is required. Proficiency in Python, SQL, and cloud platforms like AWS is preferred.

Senior Android Developer for a long-term contract focused on delivering a high-performance mobile application. Design, develop, and maintain Android features using Kotlin, Jetpack Compose, and modern technologies. Collaborate with clients and cross-functional teams in an Agile environment.

Customer Service Specialists needed for on-site role in Lisbon. Provide phone, email, and chat support to French-speaking customers. Must have C2 French and B2 English.

DevOps Engineer to manage and maintain Linux and Windows server environments. Deploy, manage, and troubleshoot applications and services. Implement and maintain CI/CD pipelines using Jenkins and XLRelease.

Backend Engineer to design, build, and scale features for Squarespace Social products. Collaborate with teams to improve codebase and performance. Requires 5+ years of Go, Java, or similar language experience and 2+ years with relational databases.

IT Business Analyst needed with Bachelor's degree in relevant field and 2+ years of experience. Must have SQL database experience, proficiency with Summit or similar systems, and knowledge of financial products. Responsibilities include gathering user requirements, designing and executing tests, and supporting deployment activities. Advanced English required, French preferred.

Fullstack Developer with 5+ years' experience in Python, React, HTML, CSS, and JavaScript. Experience building RESTful APIs and managing databases at scale.

Application Engineer Tier 1 will apply troubleshooting methodologies to resolve technical issues, provide customer support, and contribute to system optimizations. This role requires 1-2 years of experience in technical support, application engineering, or software troubleshooting and a background in the Life Sciences Industry is highly valued.

As a DevSecOps Engineer, you will engineer the Application Delivery Platform for thousands of servers across a public multi-cloud environment. You will specialize in F5 Platform, Cloud Native Load Balancing, WAF Security, and CDN/DNS Integration. You will develop, maintain, and improve APLB products, integrating infrastructure-as-code and automation. You will also analyze, resolve technical incidents, and collaborate with teams to evaluate and deploy new infrastructure.

Senior Data Engineer to design and maintain cloud-based data solutions. Develop data pipelines, model datasets, and support analysts. Requires a degree in Engineering, Computer Science, or related field, at least 6 years of experience as a Data Engineer, and at least 2 years of experience with AWS Snowflake.

Senior Software Engineer to lead feature development across surf, snow, and future verticals. Build and maintain frontends, APIs, and internal tools. Collaborate with design and engineering teams to translate product vision into software.

Develop and maintain advanced reporting and data visualization capabilities on large datasets. Translate business requirements into solution specifications and deliver high-quality results. Apply data mining, analytics, and reporting techniques to synthesize insights and present findings.