freelance English-speaking jobs in Valongo

Lead Salesforce Developer to design, implement, and unit test Salesforce requirements. Must have 8+ years of Salesforce development experience, proficiency in Apex, Visualforce, Lightning components, and integrations. Requires strong leadership skills and English proficiency (B2 level or higher).

Technical Support Engineer will diagnose and resolve advanced technical issues across multiple programming languages and environments. This role requires fluency in Java, Atlassian SDK, and experience with build pipelines and REST APIs.

Senior Data Engineer needed with 5+ years of experience in cloud-native data architecture and design. Expertise in Microsoft technologies (Fabric, Azure Data Factory, Synapse) and data warehousing/lake solutions (BigQuery, Azure Data Lake, Delta Lake, Amazon Redshift) required. Strong programming skills in Python, SQL, or Spark, along with experience with RDBMS and NoSQL databases. Proven ability to optimize pipelines and storage solutions for performance, cost, and reliability. Excellent communication and mentorship skills.

Provide customer service via chat, email, and phone to users. Troubleshoot platform issues, educate users on features, and work with product and development teams.

Senior Machine Learning Engineer will design, deliver, and own end-to-end ML pipelines at scale. Responsibilities include building real-time inference systems, leading project planning, and mentoring engineers. Requires deep Python experience, knowledge of Azure or AWS, and strong MLOps skills.

Industrial Engineer to join a new production plant in Viana, Portugal. Responsibilities include capacity studies, headcount calculations, plant layout design, material handling optimization, and leading continuous improvement initiatives. Requires a degree in industrial engineering or related field, 3+ years of experience in a similar role, and proficiency in Lean Manufacturing principles and tools.

Business Continuity & Operational Security Manager needed for a banking organization. Responsibilities include defining security procedures, embedding security requirements in IT projects, managing security incidents, and maintaining Business Continuity and Disaster Recovery Plans. Requires a Master's degree in Computer or Systems Engineering, +5 years of experience, ISO 22301 training, knowledge of DORA and ISO 27001:2022, and fluency in English. Cybersecurity certifications and Spanish are a plus.

Freelance Creative Designer needed to develop marketing materials for a technology company specializing in secure identity solutions. Responsibilities include designing brochures, website visuals, presentations, and social media content. Must have strong Adobe Creative Suite skills and experience translating technical information into engaging visuals.

Leads a high-performing engineering team in Lisbon, owning the reliability and scalability of critical authentication, governance, and event-driven systems. Partners with Product, Security, Billing, and Infrastructure teams to deliver secure and scalable solutions.

Senior Flutter Developer needed for a greenfield project building a user-facing platform for shipment and container management. Responsibilities include designing, developing, and maintaining a scalable application, ensuring seamless integration with the back-end, and optimizing performance.

Lead a team of engineers in a digital transformation project. Define and govern Flutter architecture, ensure code quality, and balance technical debt with feature delivery.

Supplier Quality Sourcing Developer will ensure supplier response quality, manage audits, and lead action plans to achieve quality objectives. Requires a Technical Engineer with knowledge of automotive components, quality tools, and advanced English.

Senior Software Engineer will build enterprise-grade B2B software products and platforms. Responsibilities include taking the lead in technical development components, influencing product design, and delivering mature, well-tested software. Requires 4+ years of experience in software engineering, proficiency in object-oriented and functional programming, and experience with relational and NoSQL databases. Must have experience with Python development and at least one of the following: C#, JavaScript/Typescript. Experience with cloud-native software solutions, containers, and Agile software development is preferred.

Provides 24/7 customer service support via phone, email, chat, and other tools for global Supply Chain customers. Analyzes customer feedback and collaborates with other departments to resolve issues. Must be fluent in Dutch (C2) and have a good working knowledge of English (B2).

Experienced SAP BTP Integration Suite Consultant needed for urgent requirement in Lisbon. Strong hands-on experience with integration scenarios and SAP BTP tools required. Previous experience in SAP BTP Integration Suite implementations necessary. Ability to work in a hybrid environment.

Content Moderation Specialist required for a global customer experience management company. Moderates user-generated content in French, reviews videos, images, and text, and ensures compliance with legal and ethical standards. Must have fluent French (C1-C2) and English B2, good emotional resilience, and attention to detail.

Motion Designer needed for hybrid role in Lisbon. Translate concepts into purposeful animation, focusing on typography, rhythm, and narrative. Strong graphic design foundation and advanced After Effects skills required. Collaborate with Art Directors and Video Directors.

This role involves ensuring the preventive and corrective maintenance of company infrastructure, including electrical, water, HVAC, and compressed air systems. Responsibilities include diagnosing faults, implementing solutions, conducting inspections, and collaborating on maintenance plans.

A Business Financial Analyst will ensure financial data accuracy and reliability across systems. The role involves analyzing discrepancies, identifying root causes, and collaborating with Finance, IT, and Business teams to implement solutions.

Manages, develops, and controls online client delivery processes, ensuring SLA and KPI achievement. Monitors parcel deliveries and collections across various services, implements new transport methods, and plans delivery/pickup schedules. Collaborates with internal and external teams to ensure operational efficiency and service level attainment.