1351 English-speaking jobs in Porto

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a physics degree, 2+ years experience, and strong Python skills (NumPy, SciPy, Sympy).

Manual QA Engineer will perform manual testing of software applications, design test cases, and prepare bug reports. Requires 1+ years of experience, knowledge of testing fundamentals, and strong attention to detail.

Own end-to-end software releases across multiple teams and environments. Plan, coordinate, and drive releases ensuring predictability, transparency, and quality while balancing speed and reliability.

Product Marketing Manager will own go-to-market strategy for Praxis and Emergn's AI offerings, driving adoption and pipeline growth. Responsibilities include positioning, messaging, targeted campaigns, sales enablement, and community building. Requires 5+ years in product marketing, ideally in B2B SaaS or technology consulting, with a track record of translating complex products and running campaigns that contribute to pipeline. Must be based in Portugal and available to work on-site in Porto at least 2 days per week.

Design and develop firmware for embedded systems using C/C++ and other programming languages. Collaborate with teams to define software requirements and create technical documentation. Debug, optimize algorithms, and participate in code reviews.

Kubernetes database engineer to deploy, manage, and optimize PostgreSQL databases on Kubernetes. Responsibilities include implementing persistent storage, backup/restore pipelines, and automation for provisioning, upgrades, and scaling. Requires a Master's degree in a relevant field, experience with Kubernetes and Python, CI/CD pipelines, and IaC tools like Terraform and Ansible.

Java Developer needed for a Portuguese tech company. Must have 3+ years of experience with Java, Springboot, Rest APIs, Microservices, relational and NoSQL databases, and CI/CD pipelines. Knowledge of Angular or React is a plus.

Career Development Consultant to provide individual career guidance, support recruitment preparation, and deliver career development activities for MBA students and participants.

Data Engineer with 3+ years of experience needed to design, build, and maintain scalable data pipelines using Databricks. Must have strong experience with Databricks, Apache Spark, and cloud platforms (AWS, Azure, or GCP).

Design and develop AI applications and pipelines using frameworks like Claude Agent SDK, CrewAI, LangChain, and LlamaIndex. Build Textual and Visual RAG Systems and chatbots to optimize workflows. Integrate and scale AI solutions in collaboration with cross-functional teams.

Lead the development and evolution of an e-prescription platform integrated with medical laboratory systems for the Swiss healthcare market. Define product vision, roadmap, and backlog, ensuring alignment with Swiss healthcare workflows and regulatory compliance. Collaborate with stakeholders, including laboratory specialists, medical professionals, and IT teams, to deliver reliable solutions.

Instrumentation Engineer provides technical expertise to resolve fleet issues, ensuring instrumentation system performance and regulatory compliance. Supports audits, recommends strategies to enhance operability and revenue, and drives continuous improvement initiatives. Conducts risk assessments, manages change, and promotes best practices for safe and efficient operation.

Leads and develops a team of software engineers, providing technical leadership across C# and C++ codebases. Ensures high engineering standards, predictable delivery, and alignment with business strategy. Manages a geographically distributed team, fostering a culture of accountability and continuous improvement.

Senior Product Software Engineer (Golang) will contribute to the development of the Kyte product, a SaaS-based invoicing tool. Responsibilities include designing and implementing new features using Go, collaborating with cross-functional teams, and ensuring code quality.

Architect and scale next-generation agent infrastructure for AI systems with direct financial impact. Design advanced LangGraph reasoning workflows, build robust RAG systems, and implement hallucination detection.

Azure Senior Data Engineer specializing in Microsoft Azure tools. Supports data collection, aggregation, storage, and accessibility for analysis and decision making. Translates business requirements into technical solutions and has experience with Databricks, Data Factory, and T-SQL.

Tech Lead to manage development squads in Brazil and Vietnam, translating business requirements into technical specifications and ensuring high-quality delivery. Must have 6+ years software development and 2+ years technical leadership experience, advanced English, and availability for a shifted schedule.

Experienced Test Lead sought for long-term contract in Portugal. Requires telecom domain knowledge (OSS, BSS), Salesforce experience (Sales & Marketing Cloud), and automation testing expertise (Robot Framework, Playwright, Cypress). Must have hands-on experience with performance testing (jMeter, K6), API validation tools (Postman, Bruno), and proficiency in Python, JavaScript, SQL, DevOps, and Git.

System Administrator to support core server, network, and systems operations. Provides implementation, configuration, and operational support for Server, Network and Storage environments. Troubleshoots issues, recommends enhancements, and assists with IT security. Requires a degree in Information Systems or equivalent experience and proficiency with Microsoft systems.

Senior Android Engineer to develop, maintain, and evolve Android applications. Requires 5+ years of experience in Android development, strong Kotlin and/or Java skills, and knowledge of Jetpack Compose, Lifecycle, and dependency injection.