Back-end Engineer

Location: Cairo, Cairo Governorate, Egypt

Department: Technology

Workplace: on_site

Employment Type: full

Description

Key Responsibilities

• Design, develop, and maintain Ruby on Rails services and RESTful APIs supporting payroll processing, EWA disbursements, and financial reporting.
• Build and maintain integrations with banking partners, payment gateways, and third-party financial data providers in compliance with CBE regulations.
• Collaborate with product and frontend teams to deliver features end-to-end, from requirements to production deployment.
• Manage background job pipelines with Sidekiq and Redis for payroll batch processing, wage disbursements, and async notifications.
• Own service reliability write RSpec unit and integration tests, set up monitoring, and participate in on-call rotations to ensure 99.9%+ uptime.
• Contribute to architectural decisions, code reviews, and the definition of Rails engineering best practices across the team.
• Optimise ActiveRecord queries and database performance to handle high-throughput financial transaction loads.
• Champion security-first development practices in line with PCI-DSS and financial data protection standards.

Requirements

• 3–6 years of backend engineering experience in a production environment.
• Strong proficiency in Ruby on Rails with a solid grasp of Rails conventions, ActiveRecord, and the MVC pattern.
• Hands-on experience designing and building RESTful APIs consumed by web and mobile clients.
• Solid command of PostgreSQL schema design, indexing strategies, query optimisation, and migrations.
• Experience with background job processing using Sidekiq and Redis for async payroll and notification workflows.
• Understanding of security fundamentals: OAuth2, JWT, data encryption at rest and in transit.
• Experience working in Agile / Scrum teams with proper Git workflows, code reviews, and CI/CD pipelines.

Benefits

Why Join dopay?

You’ll be be part of a fast-growing fintech company revolutionizing payroll disbursement in Egypt and work closely with senior leadership on one of the most important milestones in the company’s journey. This role offers long-term ownership beyond licensing and the opportunity to help shape how a fintech operates under regulation at scale.