endorsedCompleted

VB.NET Rating Engine Extraction & Migration to .NET Microservices for Symfa Inc

Services Covered:

Custom Software Development • Staff Augmentation • Software QA and Testing

Industry

Information Technology

Duration

13 months

Budget

Confidential

Start Date

1 August 2022

Team Size

16-20 Employees

Engagement Model

Offshore

Project Capability Score (PCS)

79/100

Good

Project Capability Score (PCS) estimates how capable Aterise is of successfully delivering a project like this, based on its past experience, track record, and ability to handle similar work. Learn more about PCS

Client

Symfa Inc

Miami, United States of America

Project Summary

A software company (Symfa Inc) hired Aterise to extract, decompose, and migrate part of a VB.NET monolithic rating engine into .NET microservices and integrate it into the existing enterprise architecture. Aterise delivered a stepwise migration with feature-flagging, documentation, and code-quality tooling, enabling multiple teams to develop new lines of business in parallel. The project was completed on time and within budget with regular, effective communication.

Key Challenges

Extract, decompose, and migrate part of a VB.NET monolithic rating engine to .NET microservices
Incorporate the migrated engine into an existing enterprise architecture
Make the architecture scalable, shareable across teams, and serve as a reference for future migrations

Project Deliverables

Requirements elicitation, analysis, and stepwise roadmap
Top-level architecture and data flow design
Feature-flagging strategy enabling soft migration and co-running legacy and new engines
Incremental migration implemented sprint-by-sprint
Source code quality tracking via SonarQube
Documentation and knowledge sharing through Postman collections and Swagger
Multi-level caching strategy (in-memory + Redis) to improve performance

Project Solution

The Aterise engineering team executed a step-by-step migration: requirements elicitation and roadmap creation; architecture and data-flow design; a feature-flagging strategy to run legacy and new engines concurrently; incremental, sprint-based migration; SonarQube for code quality tracking; Postman and Swagger for documentation; and a multi-level caching strategy (in-memory + Redis) to improve performance.

Project Outcome

Multiple teams are now developing new lines of business in parallel using the new architecture as a guideline
Project was delivered on time and within budget
Communication was regular and effective and Aterise quickly resolved concerns

Platforms

API/Integration Platform

Tech Stack

.NET
Redis

Client Endorsement

Overall Review Rating

Timeliness

Cost Rating

Willing to Refer

Quality of Deliverables

“Aterise successfully delivered a functional project on time and within budget. The team maintained regular and effective communication and was quick to resolve the client's concerns about the roadmap and expected results. Aterise was a highly skilled developer, and their commitment was remarkable.”
Viktoriya Mishina
VP of Engineering
Date: 11/16/2023