Streamlining Invoice.Me’s Financial Operations with Microservices and Cloud-Native Architecture
Fintech
San Francisco, CA 
AngularJS|PostgreSQL|Ruby|Ruby On Rails
Cloud Migration|Microservices Architecture
The Client
Invoice.me, an online accounting software catering to SMBs, wanted to modernize their legacy monolith application. Their current Ruby on Rails codebase struggled with scalability and deployment complexity. They required an agile development approach and a robust cloud infrastructure to support their growing user base and feature demands.
The Challenge
Invoice.me’s monolithic architecture hampered efficient development cycles. Feature deployments were cumbersome due to code dependencies, delaying time-to-market. Additionally, scalability limitations on their on-premise infrastructure couldn’t accommodate projected growth. They needed a solution that fostered faster development, improved scalability, and reduced infrastructure management overhead.
What Was Done
Ralabs completely refactored Invoice.me’s application into a microservices architecture. The codebase was divided into independent, self-contained services, each with its own API and database schema. This modular approach enabled parallel development and independent deployments, streamlining the development process and accelerating feature delivery. The application was migrated to a modern cloud infrastructure on AWS using Kubernetes for container orchestration. This shift provided elastic scalability, allowing Invoice.me to seamlessly scale resources to meet user demands.
Implemented Features:
Divided the application into independent, fault-tolerant services like “user management,” “invoicing,” and “payment processing,” enabling faster development and deployment.
Implemented a serverless API gateway built with AWS API Gateway to manage API calls and distribute them to the appropriate microservices.
Migrated the application to a cloud-based infrastructure on AWS for scalability, resilience, and cost-efficiency. Containerization with Kubernetes ensured smooth scaling and deployments.
Leveraged infrastructure-as-code tools like Terraform for automated provisioning and management of cloud resources on AWS.
Implemented a strong CI/CD pipeline for automated code testing and deployments, accelerating the release cycle.
Results
Microservices architecture significantly reduced development friction, enabling faster feature releases and quicker innovation
Transitioning to a cloud-native architecture minimized the need for manual infrastructure management, freeing up valuable IT resources
Cloud migration with Kubernetes allowed the client to effortlessly scale resources to accommodate growth and ensure application uptime
The modernized architecture allowed Invoice.me to adapt to changing market demands with greater flexibility and efficiency
Tech Stack
Daniel
Head of Engineering at Ralabs
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