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Open nowFirst seen 43 hours ago

Full Stack Engineer (NestJS Backend & Next.js Frontend)

Lorgarithm14 open roles

Where
Lagos, Nigeria
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Your applicationOpen nowFull Stack Engineer (NestJS Backend & Next.js Frontend)Lorgarithm · Lagos, Nigeria

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Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
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  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: first seen 43 hours ago

The posting

Position Overview:

We are seeking five (5) highly skilled Full Stack Engineers who are proficient in both backend development with NestJS and frontend development with Next.js. The ideal candidates will have a strong foundation in algorithms and a deep understanding of modern web technologies. These engineers will be responsible for building and maintaining a complex system that includes video calling, payment processing, and various AWS and Kubernetes services.

NOTE: FEEL FREE TO APPLY IF YOU ARE ONLY PROFICIENT WITH ONE, NEXT.JS OR NESTJS.

Key Responsibilities:

1. Backend Development (NestJS):

- 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.

2. Frontend Development (Next.js):

- 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.

3. Microservices & Orchestration:

- 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.

4. Monitoring & Logging:

- 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.

5. Video Calling Infrastructure:

- 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.

6. Payment Processing Infrastructure:

- 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.

7. Cloud Infrastructure & Kubernetes:

- 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.

8. Algorithm Development & Optimization:

- 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.

9. Collaboration & Teamwork:

- 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.

Required Qualifications:

- Experience:

- 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.

- Technical Expertise:

- 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.

- Other Skills:

- Excellent communication and collaboration skills.

- Ability to work in a fast-paced, agile environment.

- Strong commitment to quality and continuous improvement.

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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