Job Overview

Location
Lagos, Lagos
Job Type
Full Time
Date Posted
13 days ago

Additional Details

Job ID
136710
Job Views
32

Job Description







  • We’re looking for a Backend Engineer who thrives on building reliable, high-performance systems. You’ll help power the infrastructure behind real-time crypto-to-fiat transactions, user management, payments, and more. This role is ideal for someone who loves clean code, scalable systems, and startup energy.



Job Expectations




  • Design, build, and maintain backend services using Node.js and TypeScript.

  • Develop scalable APIs for payments, user authentication, crypto processing, and notifications.

  • Implement robust authentication flows (JWT), rate limiting, and fraud prevention strategies.

  • Optimize MySQL queries and schema for performance and scale.

  • Manage background job queues (e.g., BullQueue) for transaction processing.

  • Integrate caching strategies with Redis.

  • Collaborate with frontend and mobile teams to ensure smooth product delivery.

  • Participate in code reviews, system architecture discussions, and technical planning.

  • Build and maintain CI/CD pipelines to ensure seamless deployment.



Critical Competencies




  • 3+ years of experience building production-ready backends with Node.js (TypeScript preferred).

  • Strong understanding of REST API design principles.

  • Proven experience with MySQL, including schema design and performance tuning.

  • Solid understanding of Redis, background job queues (Bull, BullMQ, etc.), and event-driven systems.

  • Familiar with CI/CD pipelines, deployment automation, and version control.

  • A strong sense of ownership and accountability — you take pride in building systems that don’t break.

  • Comfortable thinking proactively about security, scalability, and data integrity.

  • Excellent collaboration and communication skills.

  • Deep understanding of DigitalOcean Infrastructure and DevOps practices



Bonus Point




  • Experience in fintech, crypto, or payment systems.

  • Familiarity with blockchain APIs, crypto custody tools, or Web3 integrations.

  • Set up and manage performance monitoring and alerts using tools like Sentry or similar.



Cultural Competencies




  • Entrepreneurial and experimental — thrives in a startup environment.

  • Bias for action and growth, not afraid to fail fast and learn quickly.

  • Mission-driven and passionate about expanding financial access in Africa.

  • You work well with people of different backgrounds, identities, values and cultures

  • You listen well, seek to understand and respond with empathy

  • You give and take constructive feedback to and from colleagues at any level

  • You are extremely curious and love working collaboratively

  • A knack for continuous growth, learning and knowledge sharing



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