Mid-level Software Developer

Job not on LinkedIn

November 6

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King of Languages

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Education • B2C

King of Languages is a 100% online English school offering personalized, immersion-focused language courses and private lessons. It provides up to five one-on-one classes per week with flexible scheduling, multimedia learning resources, continuous student support, and a 24/7 study platform. The school serves learners from age 11 upward and handles payments via common local methods (card, boleto, PIX), emphasizing practical communicative and cultural skills to achieve fluency.

501 - 1000 employees

Founded 2021

📚 Education

👥 B2C

📋 Description

• Develop and maintain scalable, secure, and well-structured APIs (.NET 8); • Implement queues, background jobs and messaging (RabbitMQ, Hangfire); • Optimize MySQL queries and apply caching with Redis; • Automate builds, tests and deployments via CI/CD (GitHub Actions); • Build and refine React + TypeScript interfaces, ensuring clean integration with the backend; • Configure and maintain Dockerized environments (staging and production); • Monitor logs, metrics and alerts, acting proactively; • Participate in architectural decisions and propose continuous improvements.

🎯 Requirements

• 3 years of experience with .NET Core 6+ (preferably .NET 8); • Proficiency in ASP.NET Core, EF Core, REST APIs and best practices (SOLID, Clean Architecture); • Experience with RabbitMQ, Redis and MySQL; • Knowledge of React + TypeScript (REST API integration, reusable components); • Experience with Docker and CI/CD pipelines; • Disciplined, resilient, communicative and results-oriented profile; • Ability to handle challenging deadlines while maintaining delivery quality.

🏖️ Benefits

• 100% remote