freelance English-speaking jobs in Valongo

We are a fast‑growing Series A startup building cutting‑edge technology to revolutionize cloud development. Our core product, LocalStack, provides a high‑fidelity emulator and local cloud development platform, allowing developers to build and test cloud applications entirely on their local machine within Docker.

Senior Backend Engineer – Remote, Worldwide Nethermind is looking for an experienced Senior Backend Engineer to design and build high‑performance systems that power institutional‑grade blockchain and DeFi applications. You are a builder at heart who thrives on solving complex distributed systems challenges and transforming ideas into scalable, reliable infrastructure.

Location: Paço de Arcos - Q45, Portugal Thales Business Support Services (TBSS) acts as a Shared Service Center for Thales Group by serving a number of countries for various key tasks associated to finance and accounting processes.

About Uphold Founded in 2013, Uphold is a Web3 financial platform that supports almost 300 digital assets and acts as a Regulated Gateway to the Web3 economy. Featuring integrations with 26 blockchain networks and a robust trading engine connected to 30 underlying venues, the platform allows users to trade ‘Anything-to-Anything’ while enjoying keen pricing and deep liquidity.

Join to apply for the Senior Social Media Manager role at RemoFirst RemoFirst empowers employers to be free from geographical boundaries when accessing talent, allowing employees to pursue opportunities wherever they may exist. We are on a mission to be the FIRST to truly revolutionize the industry and be a generational company.

Senior Python Developer We are seeking a Senior Python Developer to implement Gen AI use cases for enabling business departments, focusing on innovative AI products. You will work closely with stakeholders and contribute to innovative projects led by the EPAM Innovation Lead. Apply now to help shape the future of AI-driven business applications.

Senior Product Designer (Innovations) – Palta About the role Join our Innovation team as a Senior Product Designer to create a completely new engaging experience inside the product that aims for a step‑change in user retention. This is not an iteration role – you'll be working on bold, breakthrough ideas that redefine how people build healthy habits.

Apply for the Engineering Manager - HCO Data role at Veeva Systems . Veeva Systems is a mission‑driven organization and pioneer in industry cloud, helping life‑sciences companies bring therapies to patients faster. As one of the fastest‑growing SaaS companies in history, we surpassed $2B in revenue in our last fiscal year, with extensive growth potential ahead.

Electrical Engineer - Porto at Voltalia Join to apply for the Electrical Engineer - Porto role at Voltalia Voltalia is an Independent Power Producer operating in over 20 countries, developing, building, and maintaining renewable energy projects across five key technologies: solar, wind, hydro, biomass, and storage.

bunch is building the backbone of private markets, combining exceptional expertise, operational excellence, and frictionless technology. The platform enables funds and private investors to seamlessly and securely set up and manage their investment entities. We’re looking for an experienced Senior Product Manager to join our Reporting & Accounting Platform team .

Senior DevOps Engineering Manager Location: Porto, Portugal About the Role As a Senior DevOps Engineering Manager, you will think Customer First Always, supporting and working within Tribes and Squads to accelerate product delivery to customers.

About the job At Hexa Consulting we want to spread transparency and enable diverse tech careers. Based in Portugal, we support the increasing demand in the IT sector. Our mission is to build strong relationships, be a leading partner through a differentiated approach in IT consulting, and contribute to the professional and personal development of our team.

At Link37 , we help businesses grow by strategically implementing marketing automation and developing websites and eCommerce solutions. We specialize in digital solutions that enhance efficiency and improve conversion rates for our clients. What You’ll Do As an Onboarding Specialist – HubSpot , you will ensure our clients successfully implement and adopt HubSpot.

ABOUT THE ROLE The Senior Sales Account Executive is an experienced sales professional who drives strategic enterprise-wide sales initiatives into their assigned account list and territory in Portugal across multiple industry verticals. This role encompasses account and territory planning, prospecting, qualifying, selling and closing new business with very large prospects and installed accounts.

This is a volunteer job, as any other role in our Minecraft network. Your duties include, but not limited to: Collecting and archiving server log files. Collecting and archiving critical system log files. Regularly reviewing the system firewall and issue IP bans as necessary. Study malicious activity and implement security barriers capable of minimizing such activity.

Paid Ads Specialist (Junior - Mid) | DTC E-commerce | 100% Remote EU Join to apply for the Paid Ads Specialist (Junior - Mid) | DTC E-commerce | 100% Remote EU role at Foxelli Group Get AI-powered advice on this job and more exclusive features.

Freelance Software Developer (Java) - Quality Assurance (AI Trainer) 4 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency.

Job Title Financial Assistant / Admin Assistant (Temporary) Job Description Summary Are you an administrative professional with experience in office or financial operations, and looking to continue learning and developing your career in this field?

Join to apply for the 3D Designer role at Twine This project involves creating a highly detailed 3D model from a provided photograph, with the objective of producing a print‑ready file for casting a bronze plate. The model will serve as a mold for an art foundry test at a historic bell foundry in Braga, Portugal.

Join to apply for the Python Engineer role at Open Home Foundation . The Open Home Foundation is seeking a passionate Python developer, based in Europe, to join our Home Assistant department as a full‑time Software Engineer.