Full Stack Engineer (Spring Boot & Kotlin Android)

About the role

Lorgarithm is looking for a Full Stack Engineer who specializes in backend development with Spring Boot and Android development with Kotlin. The role covers end-to-end solutions that integrate backend services and mobile applications, with a hybrid schedule of two days in Lagos and three days remote.

Key responsibilities

• Design, develop and maintain backend services with Spring Boot, implementing complex algorithms focused on performance and scalability.
• Develop and maintain Android applications in Kotlin, integrating them with backend services and collaborating with UI/UX designers.
• Deploy and manage applications on AWS (EC2, S3, ECS, CloudFront, Kubernetes) and optimize cloud resources.
• Use Cassandra for distributed data storage and Redis for caching.
• Build highly concurrent backend systems and integrate live streaming and video processing (Nginx RTMP, Kurento or Janus) and real-time communication (WebRTC).
• Work with frontend, mobile and DevOps engineers and product managers, take part in code reviews and mentor junior engineers.

Required profile

• Minimum 5 years of backend development experience with Spring Boot.
• Minimum 3 years of Android development with Kotlin.
• Strong algorithmic problem-solving skills and experience with Java concurrency models.
• Extensive cloud platform experience, especially AWS.
• Experience with live streaming protocols and tools such as Nginx RTMP, Kurento or Janus.
• Preferred: contributions to open-source projects, a portfolio of personal projects, and certifications in Android or backend technologies.

Required skills

• Spring Boot, Kotlin, Android development
• AWS (EC2, S3, ECS, CloudFront, Kubernetes)
• Cassandra, Redis, WebRTC, Nginx RTMP, Kurento or Janus
• Java concurrency models

What we offer

• Compensation of 600,000 to 1,000,000 based on experience.
• Hybrid work: 2 days in Lagos office, 3 days remote.