Backend Developer

Key Responsibilities

• Design, develop, test, and maintain backend services and APIs.
• Build scalable and secure systems capable of handling high transaction volumes.
• Integrate with third-party APIs and payment providers.
• Optimize database performance and write efficient queries.
• Collaborate with frontend developers, product managers, and QA teams to deliver new features.
• Troubleshoot production issues and implement timely fixes.
• Ensure code quality through testing, documentation, and peer reviews.
• Implement security best practices and data protection measures.
• Participate in system architecture discussions and technical planning.
• Monitor application performance and continuously improve reliability.

Minimum Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field.
• At least 3 years of professional backend development experience.
• Proven experience building and maintaining RESTful APIs.
• Strong understanding of software development principles and design patterns.

Technical Requirements

Candidates should demonstrate proficiency in most of the following:

Programming Languages

• Node.js (preferred)
• TypeScript
• JavaScript

Frameworks

• Express.js
• NestJS (an added advantage)

Databases

• PostgreSQL
• MySQL
• Redis
• Experience with database design and optimization

API Development

• REST APIs
• GraphQL (optional but advantageous)
• API authentication (JWT, OAuth)

Cloud & Infrastructure

• Docker
• Linux server management
• CI/CD pipelines
• Experience deploying applications in cloud environments (AWS, Azure, or DigitalOcean)

Version Control

• Git
• GitHub or GitLab workflows

Security

• Secure authentication and authorization
• Encryption best practices
• OWASP security principles
• Rate limiting and API protection

Nice-to-Have Skills

• Experience in fintech or financial systems.
• Experience integrating mobile money platforms or payment gateways.
• Familiarity with message queues (RabbitMQ, Kafka, or similar).
• Experience with microservices architecture.
• Knowledge of event-driven systems.
• Experience with automated testing frameworks.
• Familiarity with monitoring tools and logging solutions.

Soft Skills

• Strong analytical and problem-solving abilities.
• Excellent communication skills.
• Ability to work independently and collaboratively.
• High attention to detail.
• Ability to thrive in a fast-paced environment.
• Strong ownership mindset and accountability.