Backend Developer – Senior at Infytel Communications Limited

Web Development
Lagos
January 23, 2026
Full Time
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Job Description

Infytel Communications Limited is seeking a seasoned Backend Developer to build and maintain scalable backend systems that support high-performance applications. The ideal candidate will have strong expertise in Node.js, API development, database architecture, and event-driven systems.

Responsibilities

  • Design, build, and maintain scalable backend APIs (REST or GraphQL) using Node.js (NestJS/Express or similar).
  • Implement event-driven architecture, including emitters, listeners, queues, and workers.
  • Develop reusable backend modules such as notification services, authentication, and scheduler services.
  • Design and optimize relational database schemas (PostgreSQL/MySQL) with strong performance tuning and indexing.
  • Implement background scheduling and automation using cron jobs or server schedulers.
  • Build real-time communication systems using WebSockets or Pub/Sub frameworks.
  • Ensure application security, including authentication, authorization, and protection against common vulnerabilities.
  • Participate in code reviews, maintain documentation standards, and collaborate with cross-functional teams.

Requirements

  • 4–7+ years of backend development experience.
  • Strong proficiency in Node.js (NestJS, Express, or similar frameworks).
  • Strong SQL experience with PostgreSQL preferred.
  • Experience with event-driven systems, background jobs, and queue systems (BullMQ/Redis, RabbitMQ, etc.).
  • Experience building and documenting REST APIs.
  • Strong understanding of caching strategies (Redis).
  • Experience with cloud deployment (AWS, GCP, DigitalOcean).
  • Strong problem-solving skills and ability to design scalable systems.
  • Excellent communication skills and ability to collaborate with teams.

Bonus Skills (Optional)

  • Experience with real-time systems (WebSockets, Socket.IO).
  • Familiarity with CI/CD tools (GitHub Actions, GitLab CI, CircleCI).
  • Knowledge of Kubernetes or advanced DevOps practices.
  • Experience with TypeORM/Prisma.
  • Familiarity with push notification services (FCM, APNs, Expo).

How to Apply
Interested and qualified candidates should send their CV using “Backend Developer – Senior” as the subject of the email.

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