freelance English-speaking jobs in Lagos

Backend Engineer needed to build and maintain a Node.js proxy backend for an AI platform. Responsibilities include integrating with existing systems, managing inference requests, and extending dashboards. Strong Node.js, NestJS, PostgreSQL, Redis, and Socket.IO experience required. Familiarity with LangChain and AI runtimes is a plus.

Senior Node.js Developer to design, code, and optimize high-performance backend systems. Responsibilities include developing and maintaining platforms, integrating APIs, and collaborating with cross-functional teams. Experience with Node.js, Nest.js, and microservices is required.

Senior Machine Learning Engineer will design, build, and deploy production ML systems. Responsibilities include translating models into scalable systems, defining best practices for productionization, and leading cross-functional collaboration. Requires 5+ years of experience in ML Engineering, MLOps, or related roles, strong Python skills, and experience with cloud platforms and containerization.

As a Localization QA Arabic Game Tester, you will collaborate with a global team to ensure the accuracy and quality of localized games. Responsibilities include identifying and correcting language errors, ensuring adherence to guidelines, and reporting on issues. Fluency in Arabic and conversational English are required.

The Head of Marketing will drive growth and market traction for Starweaver's AI-powered learning ecosystem, focusing on Journeybuilder and content/distribution partnerships. Responsibilities include B2B adoption, pipeline generation, brand building, event strategy, and team leadership.

Security Operations Engineer I will build and refine automated playbooks, proactively hunt for threats, and deliver security reports. Experience in incident response, threat intelligence, and proactive threat hunting is required.

Marketing Operations Specialist needed to track competitive benchmarks, analyze marketing performance, and prepare reports. Requires 3+ years of experience, a Master's degree, and proficiency in Excel, Power BI, and PowerPoint. Must be fluent in English (C2 level).

Provide customer support to high-level clients in Swedish via chat, email, and phone. Support and expand the self-service advertising base for clients in the online and digital advertising domain. Identify and solve problems, such as technical bugs and ad delivery issues.

Test Automation Developer to design, develop, and maintain automated test solutions using Katalon. Ensure test coverage across functional, integration, and regression scenarios. Contribute to test strategies, plans, and best practices.

Solar Engineer needed to design, analyze, and ensure quality of commercial and industrial solar PV projects (30 kW - 4 MW). Responsibilities include creating 3D PVSol and K2 reports, pricing files, and electrical schemas. Analyze consumption patterns, optimize self-consumption calculations, and review project documentation for compliance.

IT Talent Recruiter needed with a Bachelor's degree in Human Resources, Psychology, or a related field and at least 1 year of recruiting experience, specifically in IT roles. Must have proficiency in Portuguese and English.

Experienced Business Development Manager needed for Paraty Tech, a global hospitality technology solutions company. Focus on sales, deal closing, and building relationships with hospitality industry leaders.

One Research Fellowship supports the technical tasks of the Blockchain Observatory project. The fellow will assist with collecting, analyzing, and interpreting information related to blockchain technology, promoting the project, and contributing to scientific articles. The fellowship is for 2.5 months, starting April 1, 2026, and offers a monthly allowance of €1,040.98. Applicants must be enrolled in a master's degree in Digital Management and Business.

Full-stack engineer to architect and develop monetization products and features. Collaborate with data scientists and engineers to implement algorithmic pricing and experimentation features. Contribute to project estimations, planning, and execution. Work with external service providers and maintain the existing codebase. Experience with pricing, promotions, rewards, and loyalty programs is required.

Portuguese-speaking FX Retention Agent needed in Porto, Portugal. Top base salary in the FX industry plus competitive commissions. Must be a native or fluent Portuguese speaker with at least 6 months of FX Retention experience.

The Sales Performance Specialist will build and improve reporting tools, monitor KPIs, and analyze sales and marketing trends. This role requires 3+ years of experience analyzing data, building dashboards, and strong Excel skills.

Senior Talent Acquisition Delivery Partner will lead full-cycle recruitment for senior and niche product engineering roles. Responsibilities include strategic partnership with hiring managers, full-cycle recruitment, advanced sourcing, and candidate experience. Requires 8+ years of experience in full-cycle Talent Acquisition with a focus on Product Engineering. Must have domain expertise in software development methodologies and technical acumen in programming languages, cloud platforms, and DevOps tools.

Technician to manage Computer System Validation (CSV) and Commissioning & Qualification (C&Q) activities. Responsibilities include protocol management, system verification, documentation, and continuous improvement initiatives. Requires a Master's degree in a relevant field, GAMP 5 knowledge, and strong technical writing skills.

Regional Visual Merchandiser will execute and maintain visual merchandising standards across HUGO BOSS stores in Portugal. Responsibilities include implementing window displays, training store teams, and providing feedback to the VM team. Requires 5+ years of experience as a Regional Visual Merchandiser in premium retail.

This 1-year internship provides hands-on experience in customer care for a growing electric mobility company. Responsibilities include assisting customers via phone, email, and other channels, resolving issues, and monitoring the charging network. Fluency in Polish and French is required.