freelance English-speaking jobs in Santarém

Lead AI Engineer will design and deploy agentic frameworks, natural language querying (NLQ) capabilities, and prompt/LLM evaluation strategies for Upwork's data platform. Responsibilities include building scalable agentic systems, optimizing natural language query solutions, and collaborating with data engineering and product teams. Proven experience delivering AI-powered data systems, expertise with LLMs and prompt engineering, and proficiency in Python, SQL, and Snowflake are required.

Legal Manager to support YILPORT's Iberian operations and Transitex Global. Draft, review, and negotiate commercial agreements. Provide legal support to business teams and executive management. Advise on port operations, maritime law, transportation, and logistics. Manage disputes and litigation.

Key Account Manager to lead and expand strategic relationships with automotive and industrial sector OEMs and Tier 1 suppliers. Manage complex sales cycles and ensure a differentiating technical consultancy.

Commercial Technical Account Manager to lead sales and upselling initiatives for Managed Services (BI, Hosting, and advanced support packages). Guide clients through service offerings, identify needs, and negotiate contracts. Transform support interactions into sales opportunities. Requires a technical background, 2+ years of experience in Customer Success, Account Management, or B2B Sales, and fluency in English (C2) and German (B2 or higher).

Converter Control Engineer designs, simulates, and validates control systems for grid-connected power converters. Requires a degree in Electrical Engineering, Control Systems, or Power Electronics and 2+ years of experience in power converter or energy-related applications.

Food Runner needed for a private members-only residential community. Assist servers, bartenders, and managers with carrying plates. Communicate food orders to chefs and ensure guests have necessary items. Maintain a clean and organized kitchen station.

Support the Iberian Finance team with in-house accounting (SAP), financial reporting, tax compliance, and investment structures and transactions. Manage the full accounting cycle of SPVs, ensure compliance with Portuguese tax regulations, and prepare financial statements.

Workster seeks English-speaking professionals for international sales roles in Lisbon. Manage B2B clients, prospect new advertisers, and optimize campaign performance. Requires fluency in English, experience in sales, customer support, or digital marketing, and strong communication skills.

Lead and execute global People & Culture strategy for a fast-growing medical cannabis company. Build a strong culture, scalable processes, and high-performing teams across regions.

Digital IC / ASIC / EIC Engineer to design and develop digital circuits for ASIC / SoC platforms. Responsibilities include defining RTL architecture, performing simulations and validation, and collaborating with verification and physical design teams. Experience in RTL design (Verilog / SystemVerilog / VHDL), ASIC design flow, and EDA toolchains is required.

Liftter.com seeks a Growth & Community Manager to drive user acquisition, manage community experiences, and support partnerships. Responsibilities include executing growth initiatives, managing creator relationships, and tracking key metrics. Ideal candidates have 1-3 years of experience in growth, community, marketing, or a related field and a passion for fitness.

Senior Business Analyst to lead analysis efforts on projects, guide clients on implementation strategies, and manage product backlogs. Requires 4+ years of experience as a solution-focused Business Analyst in a technical environment.

The Partnership & Agency Program Manager will develop and manage strategic global partnerships with digital agencies, web development agencies, freelancers, and technology partners. This role focuses on building, scaling, and managing the Agency Partner Program, identifying new collaboration opportunities, and driving mutual growth.

Mid Java Fullstack Developer needed with 3-5 years of experience in Java 8 and Spring Boot, Angular, and fluency in English and French. Relocation to Portugal required.

Lead Engineer responsible for technical direction and quality of multiple projects. Provide technical guidance to clients and team, ensuring project success.

The Leisure and Entertainment Manager leads the animation department at a seaside resort, overseeing social, sports, and entertainment activities for guests.

Mechanical Design Engineer needed for mission critical projects. Responsibilities include leading design and development of mechanical systems, collaborating with multidisciplinary teams, and ensuring compliance with regulations. Requires a Bachelor's or Master's degree in Mechanical Engineering, 8+ years of experience, and proficiency in AutoCAD, Revit MEP, and CFD.

Supports quotations and orders, managing workflows and collaborating with team members. Requires proficiency in Excel, strong attention to detail, and fluency in Portuguese and English.

Middle Office professional to support trading activities across asset classes. Manages trade lifecycle, investigates issues, and identifies process improvements. Leads and develops a team, providing training and support. Requires 2-4 years of experience in Middle Office or a related field.

Experienced audio professional needed for AI-based voiceover production in European Portuguese and English. Responsibilities include generating, editing, and refining AI voiceovers for educational video content. Must have proficiency in AI voice generation tools and audio editing software.