freelance English-speaking jobs in Valongo

Develop and maintain backend applications using Java and Spring Boot. Design and implement REST APIs. Ensure secure development practices and contribute to CI/CD pipelines.

Backend Software Engineer needed for a Lisbon-based project. Writes clean, maintainable code in .NET C# and other tools like Kafka and ElasticSearch. Builds deep understanding of codebases, provides code reviews, and mentors other engineers. Requires 10+ years of C#.NET experience, microservices expertise, and experience with event-driven architectures and NoSQL databases. Strong communication and technical leadership skills are essential.

Sales Executive will assist in planning sales activities, network with teams, and attend trade shows to promote Wilde's aparthotels. The role involves securing and managing corporate accounts, providing quotes, and maintaining sales records. Fluency in English and Portuguese is required. Prior sales experience is necessary.

As a People Business Partner, Corporate, you will be a strategic partner to Global Operations, Compliance, Legal, and Internal Audit teams. You will leverage your expertise to shape organizational strategy, enhance the employee experience, and drive exceptional results. This role involves leading complex people initiatives, including compensation, succession planning, and navigating the needs of regulatory-bound teams.

The Senior Financial Accountant supports the Record to Report process, ensuring accurate financial accounting and timely closing activities. Responsibilities include preparing journal entries, performing balance sheet reconciliations, and supporting tax-related filings. The role requires a Bachelor's or Master's degree in Accounting, Finance, Economics, or a related field, and proven experience in financial accounting or General Ledger. Fluency in English is required.

The GRC Analyst will lead and operationalize the organization's SOC 2 Type 1 compliance program, building policies, managing frameworks, and coordinating with auditors. This role requires cross-functional collaboration to ensure effective and sustainable compliance processes.

The Process Architect ensures a digital, efficient, and user-centric process flow for aircraft and engine component repair operations. Responsibilities include supporting standardized repair processes, gathering business requirements, troubleshooting IT systems, and analyzing/improving processes.

FullStack Developer to design, develop, and maintain applications using C#/.NET, Python, React, and Azure technologies. Experience with REST APIs, Git, and CI/CD is required.

Associate Software Engineers contribute to an AI-powered, industry-specific cloud platform. They enhance applications, develop new features, and collaborate with cross-functional teams. This role requires presence in the Lisbon office three days per week.

Product Engineer to build next-generation, AI-powered products for cloud cost optimization. Full-lifecycle problem solving, from understanding user pain to shipping and iterating. AI-first product development using tools to amplify work and embed AI into solutions. Full-stack engineering across cloud platforms, data pipelines, and APIs. 5+ years of software engineering experience and an AI-first mindset required.

Backend Engineer to design, build, and maintain scalable APIs and backend services in a modern AWS cloud-native environment. Requires strong experience with TypeScript, .NET (C#), CI/CD pipelines, and Terraform.

International Account Executive responsible for sponsorship and advertising sales in Sub-Saharan Africa. Manages existing clients, identifies new sales opportunities, and presents service portfolios. Requires proven sales track record, strong communication skills, and proficiency in English. Additional language skills are a plus.

Senior Software Engineer to design, develop, and maintain scalable software solutions for a fast-growing SaaS company. Expertise in TypeScript, Pulumi, Bun, React, Vite, AWS, Postgres, Redis, and GraphQL required.

The Senior Microsoft 365 Administrator designs, manages, and optimizes the Microsoft 365 ecosystem. Responsibilities include managing core services, overseeing tenant settings, administering identity and access, implementing security controls, and supporting user issues. The role requires deep technical expertise, problem-solving skills, and collaboration with cross-functional teams.

Design and implement mechanisms for the Data Science platform to consume data and publish data products. Contribute to the implementation of the technical architecture and program design. Collaborate with teams involved in data platform, governance, and BI layers.

Design, develop, and maintain IBM FileNet-based solutions. Configure and customize FileNet components, including workflows and document classes. Provide technical support and troubleshooting for FileNet applications.

Software Engineer will design, implement, and maintain billing and invoicing systems. Responsibilities include leading feature implementation, collaborating with stakeholders, reviewing code, and improving codebase health. Requires 4+ years of software development experience, proficiency in Go, SQL, and cloud services, and strong communication skills.

Freelance AI trainer for energy systems. Design energy engineering problems, evaluate AI solutions, and validate calculations using Python.

DevOps Engineer to design, build, and maintain CI/CD infrastructure for industrial wearable computing-based augmented reality solutions. Responsibilities include managing Kubernetes clusters, implementing GitOps practices, and collaborating with cross-functional teams. Requires experience with CI/CD tools, Kubernetes, Docker, IaC, and cloud providers.

Full Stack Engineer to develop and maintain data-driven applications for climate risk management. Responsibilities include building interactive dashboards, data pipelines, and real-time alerting systems. Requires ~5 years of experience in software engineering, proficiency in Python/Node.Js, React with TypeScript, and cloud platforms.