Key Responsibilities

Work alongside product and engineering teams to understand business requirements and translate them into functioning, scalable code.
Contribute to engineering best practices and support more junior team members with their personal and professional growth.

Ruby on Rails Backend Development

Spearhead the development of robust, scalable back-end applications using Ruby on Rails.
Write, maintain, and optimize reliable and high-performance code.
Conduct code reviews and promote a culture of quality and maintainability.

Database, Caching & Queues

Design and optimize relational database schemas in MySQL and PostgreSQL for high performance and scalability.
Implement caching strategies (e.g., Redis, Memcached) to enhance application responsiveness and reduce load on primary databases.
Work with message queues (e.g., Sidekiq, RabbitMQ, AWS SQS) to manage background jobs, asynchronous processing, and event-driven workflows.
Monitor query and queue performance, proactively troubleshoot bottlenecks, and ensure high throughput under scale.

Microservices Architecture

Design, implement, and manage microservices to enhance system modularity, scalability, and efficiency.

React.js Integration

Collaborate closely with front-end teams using React.js to ensure seamless API integration and a cohesive user experience.

Requirements

Experience

Typically 5+ years of professional experience in Ruby on Rails development.
Recognized subject matter expert in Ruby on Rails and its ecosystem.
Experienced across the entire lifecycle of a feature, from ideation to deployment.
Able to understand business drivers and make strong proposals to stakeholders for new features or refining existing ones.
Previous experience line-managing or mentoring other engineers.
Skilled at using technical knowledge to strategically plan future development initiatives.
Strong understanding of versioning tools, particularly GitHub.
Solid knowledge of functional design patterns and SOA.
Hands-on experience with MySQL and PostgreSQL database management, performance optimization, and query tuning.
Knowledge of caching layers (e.g., Redis, Memcached) and how to use them effectively in production.
Practical experience deploying and scaling applications on AWS cloud services.
Exceptional analytical skills and creative problem-solving abilities

Desirable Skills

Excellent written and verbal English communication skills for collaboration with international teams.
Experience in fintech or similarly fast-paced, tech-driven environments.
Familiarity with DevOps practices, CI/CD pipelines, and cloud-based deployment.
Passion for financial inclusion and social impact

Benefits

Why Join Us

Be part of a high-growth fintech making a real impact in emerging markets
Work directly with top-tier enterprise clients and decision-makers
Drive real business outcomes, helping organizations digitize payroll and empower their employees financially
A fast-paced, collaborative environment where your contributions shape the company's future

Senior Ruby on Rails Developer