Senior Full Stack Developer

4 weeks ago

Lagos, Lagos, Nigeria Lorgarithm Full time
Job Description

Lorgarithm is seeking a highly skilled Full Stack Engineer to join our team. The ideal candidate will have a strong foundation in algorithms and a deep understanding of modern web technologies.

Key Responsibilities:
  • Design and implement backend services using NestJS.
  • Develop and manage WebRTC signaling servers for video call management.
  • Integrate with TURN/STUN servers (Coturn) for optimal video call performance.
  • Implement secure and scalable payment processing systems using Stripe, Interswitch, or Flutterwave.
  • Ensure the security of sensitive data using Vault by HashiCorp.
  • Develop and maintain high-performance web applications using Next.js.
  • Collaborate with designers to create user-friendly and responsive UIs.
  • Optimize frontend performance to ensure a seamless user experience during video calls and payment processing.
  • Develop and deploy microservices architecture using Kubernetes for managing real-time online market services.
  • Implement and manage StatefulSets for Cassandra to ensure seamless database integration.
  • Deploy and monitor chat services using AWS EC2/ECS for optimal performance and scalability.
  • Utilize Istio or Linkerd as a service mesh for microservices management and security.
  • Implement monitoring solutions using Prometheus and Grafana to track performance metrics.
  • Set up and manage logging infrastructure using the ELK Stack (Elasticsearch, Logstash, Kibana).
  • Ensure that the system is highly observable with real-time metrics and alerts.
  • Deploy and manage WebRTC signaling servers on AWS EC2/ECS.
  • Utilize Elastic Load Balancing for distributing WebRTC connection requests.
  • Implement auto-scaling using Kubernetes to handle varying call volumes.
  • Store and manage video call metadata and logs using Cassandra, and store recorded video calls in S3.
  • Implement and integrate secure payment processing using Node.js or NestJS.
  • Deploy payment services on AWS EC2/ECS, ensuring high availability with Kubernetes.
  • Manage transaction records and payment logs using RDS (MySQL/PostgreSQL).
  • Use AWS Lambda for integrating with payment gateways and processing transactions efficiently.
  • Deploy, manage, and scale services using Kubernetes for both video calling and payment processing.
  • Implement auto-scaling, load balancing, and security best practices.
  • Utilize AWS services (EC2, ECS, Lambda, S3) for deploying and maintaining robust, scalable systems.
  • Develop and optimize algorithms for real-time communication and secure transactions.
  • Ensure low-latency and high-performance across all services.
  • Collaborate with the team to solve complex problems using efficient algorithms and data structures.
  • Work closely with other engineers, designers, product managers, and DevOps to deliver end-to-end solutions.
  • Participate in code reviews, contribute to continuous improvement initiatives, and mentor junior developers.
Requirements:
  • Minimum 5 years of experience in backend development with NestJS.
  • Proven minimum 4 years of experience in frontend development with Next.js.
  • Strong algorithmic problem-solving skills.
  • Extensive experience with AWS services, including EC2, ECS, S3, and Lambda.
  • Proficiency in Kubernetes for deploying and scaling applications.
  • Experience with WebRTC, Coturn, and video calling infrastructure.
  • Familiarity with payment processing systems like Stripe, Interswitch, and Flutterwave.
  • Strong knowledge of NestJS, with a focus on building secure and scalable services.
  • Experience with Cassandra and RDS for database management.
  • Proficient in modern frontend development practices, including server-side rendering with Next.js.
  • Experience with containerization and orchestration using Docker and Kubernetes.
Preferred Qualifications:
  • Experience with CI/CD pipelines and automated testing.
  • Knowledge of security best practices in cloud environments.
  • Experience with real-time communication technologies beyond WebRTC.
Location:

2 days at Lagos, Nigeria Office, 3 days remotely; Hybrid.

Compensation:

#600,000 - #1,000,000; Based on experience

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