English-speaking jobs in Seia

Linux System Administrator needed with 6+ years of experience. Must have expertise in Shell Script/Bash, Glassfish/Tomcat, Ansible, and Python. Excellent problem-solving, communication, and teamwork skills required. Fluency in Portuguese is essential.

BlackBox Strategies seeks a Demand Generation Specialist to own outbound and lifecycle messaging for B2B and B2C audiences. This role requires hands-on execution experience with email, CRM, and SMS campaigns. The ideal candidate will collaborate with leadership and the Social Media Manager to align messaging and drive measurable results.

Data Scientist supporting clients in solving complex problems through data analysis, process optimization, and AI model development. Leads digital transformation projects, workshops, and builds data and AI capabilities for clients.

Senior .NET Software Engineer to architect and maintain large-scale applications. Experience with .NET, distributed architectures, Azure, gRPC, EventHub, AKS, and Terraform required. Contribute to GitOps practices, technical mentorship, and collaborative Agile environments.

Head of Retention for LATAM will own retention metrics and build a scalable system to increase student engagement and reduce churn. Responsibilities include managing three teams, designing retention strategies, and collaborating with Product and Curriculum teams. Must have 5+ years in retention/sales with 3+ years managing teams and experience building retention strategies.

Product Engineer will collaborate with cross-functional teams to develop features that enhance user financial health. Responsibilities include building data models, APIs, and business logic services, mentoring colleagues, and contributing to cross-cutting concerns. The role requires experience with Ruby on Rails, and a commitment to quality through automated testing and code reviews.

Project Manager to coordinate Visa and Mastercard payment system initiatives, including memberships, certifications, and operational support. Requires 3+ years of project management experience, strong understanding of Visa/Mastercard systems, and proven experience delivering acquiring platform projects.

Critical Manufacturing seeks a Performance Management Control & Quality Specialist to review processes, provide quality tools to software engineers, and create/update dashboards and reports. The role involves performing internal audits, analyzing improvement suggestions, and identifying corrective actions.

Full-Stack Developer to build and maintain responsive web interfaces using Blazor. Collaborate with back-end teams on C#/.NET Core REST APIs. Write clean, testable code and participate in code reviews. Contribute to CI/CD pipelines using Git, TFS, BitBucket, Jenkins, and XLdeploy.

Provide outstanding customer service and beauty advice to German-speaking customers via live chat, phone, email, and social media. Offer product and beauty expertise, handle inquiries and complaints, and address GDPR-related concerns.

Senior .NET + React Developer to design, develop, and maintain scalable applications. Experience with Microsoft Azure, SQL Server, Oracle, OpenShift/Kubernetes, and Agile methodologies required.

Creative Strategist will develop high-converting assets for a DTC supplements brand targeting women aged 35-65. Responsibilities include conducting visual research, executing creative testing, planning for the customer journey, and optimizing conversion levers. Requires 5+ years of experience in creative DTC advertising, A/B testing, and a strong portfolio showcasing design and video editing capabilities.

Freelance graphic designer needed to update Stendig Calendar 2027 files using a provided Adobe Illustrator template. Must ensure accurate dates and days of the week for the 2027 calendar year.

Full-Stack Software Engineer will design, implement, and maintain backend-heavy systems for a key product, ensuring privacy, performance, and scalability. Experience with Node.js/TypeScript, Python, and DevOps practices is required.

Senior Software Engineer will design, develop, and test software solutions for a scalable distributed system. Responsibilities include architecting services, reviewing code, and guiding the team to write production-ready code. Requires experience with Kotlin/Java/Scala, cloud infrastructure (ideally AWS), and software design and development.

Senior Software Engineer to build and operate distributed data pipelines in Java and Go. Experience with Kafka, Elasticsearch, and open-source components required.

Senior Fitness Instructor will manage wellness areas, coordinate fitness services, and provide instruction in private and group settings. Requires a minimum of 5 years of experience in a similar role, a recognized Sports Science degree, and proficiency in MS Office. Must have excellent command of English and be highly proactive with strong organizational skills.

Kraken is seeking a Treasury Capital Product Engineer to design and build a web-based Capital Management Product. This role involves developing REST APIs, data schemas, and user interfaces to transform complex Treasury analytics into clear, usable tools for senior management.

Field Technician needed for hardware and software support. Experience with server installation, upgrades, and maintenance required. Knowledge of HPE ProLiant, Dell, and Sun servers is essential. Responsibilities include on-site incident response, installations, and preventive maintenance.

The Sustainability Technician will ensure compliance with sustainability regulations and ISO 14001 standards. Responsibilities include coordinating sustainability activities, managing KPIs, conducting audits, and collaborating with authorities. Requires a Bachelor's degree in Environmental Engineering, fluency in Portuguese and English, and 2+ years of experience.