Back End Developer

15 hours ago

Nairobi, Nairobi Area, Kenya We Are Oasis Full time $40,000 - $80,000 per year

We're looking for a skilled Backend Developer to join our team and build robust, scalable systems for web and mobile applications. You'll work on diverse projects across multiple sectors from fintech to healthcare to enterprise solutions solving real problems for clients across Africa. This is a hands-on role where you'll own the full backend stack: designing APIs, architecting databases, integrating third-party services, and deploying to production. If you enjoy building systems that scale and working on projects that matter, this is for you

Responsibilities:


• Design and build RESTful APIs that power web and mobile applications with clean architecture and proper documentation


• Architect database systems using both relational (PostgreSQL, MySQL) and non-relational (MongoDB, Redis) databases optimized for performance and scalability


• Integrate third-party services including payment gateways, SMS providers, push notifications, and external APIs


• Implement caching strategies using Redis or Memcached to optimize performance and reduce server load


• Build asynchronous systems with message queues (RabbitMQ, AWS SQS) for background jobs and scheduled tasks


• Set up CI/CD pipelines for automated testing and deployment to cloud infrastructure (AWS, Azure, or GCP)


• Write maintainable code with proper testing, documentation, and adherence to best practices

Skills and qualifications - Hard and soft skills:

You should have solid experience with the following:


• HTTP fundamentals - Deep understanding of methods, status codes, headers, and request/response cycles


• RESTful API design - Creating and consuming well-structured APIs with proper versioning and error handling


• Relational databases - PostgreSQL, MySQL, or SQL Server with strong SQL skills


• Non-relational databases - MongoDB, Redis, or similar for caching and real-time data


• ORMs - Entity Framework, Sequelize, TypeORM, Prisma, or equivalent


• Caching - Practical experience with Redis or Memcached


• Message queues - RabbitMQ, AWS SQS, Azure Service Bus, or Kafka


• Backend language - Proficiency in C# & .NET Core OR JavaScript/TypeScript with


• CI/CD - Experience with GitHub Actions, GitLab CI, Jenkins, or Azure DevOps


• Cloud platforms - Hands-on experience deploying and managing applications on AWS, Azure, or Google Cloud


• Professional experience - Minimum 2 years building production-grade backend systems

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