Nexus

The All-in-One Platform for Building Digital Banks and Embedding Finance
Nexus as a Service (NaaS) empowers banks and non-financial companies to launch fully functional digital banks in just months. By bridging the gap between legacy systems and modern cloud-based infrastructures, Nexus simplifies the integration of embedded finance, enabling enhanced customer experiences and new revenue streams—all under your license, powered by our technology.- Location GEORGIA
- Industry FINANCE
- Team Size NDA
- Duration 7+ MONTHS
- Budget NDA

Challenges

Navigating the complexities of integrating modern backend solutions with outdated banking infrastructures.
Building a backend architecture capable of supporting rapid growth and fluctuating transaction volumes.
Addressing stringent regulatory requirements while safeguarding sensitive financial data.
Ensuring fast and reliable data exchange between systems to support seamless client servicing and integration.
Solution
We seamlessly integrated modern APIs with legacy banking systems by developing a custom middleware solution, ensuring uninterrupted data flow without disrupting existing infrastructures. Additionally, our microservices architecture provided the scalability needed to handle dynamic transaction volumes efficiently.
Furthermore, to optimized performance, we implemented an advanced API gateway with rate limiting, load balancing, and real-time monitoring. This approach not only enhanced data exchange between systems but also delivered a consistently smooth and responsive user experience.
On top of that, we embedded automated security protocols, including data encryption, role-based access controls, and compliance checks, effectively safeguarding sensitive financial data while adhering to regulatory requirements.

our input
WEB development
Back-end Development
Solution Architecture
App functionality

Legacy System Integration
API Management
Pre-Trade Processing
Trade Execution
post-Trade Processing
Compliance Management
Microservices Architecture
Transaction Monitoring
Embedded Finance Integration
Data Encryption
Middleware Solutions
how we did it
- Our backend infrastructure for the Nexus project processed over 100,000 secure transactions, showcasing the platform's reliability and efficiency. The seamless integration with legacy systems maintained operational stability for alternative asset managers.100K+
TRANSACTIONS SECURELY PROCESSED
- Through advanced monitoring and a resilient microservices architecture, we maintained 99.9% system uptime, ensuring consistent availability and performance even during peak transaction volumes.99.9%
SYSTEM UPTIME ACHIEVED
- We deployed advanced monitoring tools to provide visibility into system performance and detect potential issues, enhancing the reliability and stability of the backend infrastructure.
REAL-TIME TRANSACTION MONITORING
- We built over 50 robust API endpoints to facilitate secure and efficient communication between the platform and external systems, enabling smooth data flow and process automation.50+
API ENDPOINTS DEVELOPED
- By integrating OAuth 2.0, JWT, and data encryption protocols, we ensured regulatory compliance and maintained robust security standards across all backend services.
DATA SECURITY & COMPLIANCE
- We developed custom middleware to connect legacy banking systems with modern APIs, ensuring seamless data flow and operational stability without disrupting existing processes.
LEGACY SYSTEM INTEGRATION
Technologies
we used
Java
Springboot framework
PostgreSQL
Rest API
Docker
Kubernetes
OAuth2
JWT
The nexus development process
BACKEND ARCHITECTURE & PLANNING
We began by conducting a comprehensive technical analysis to define the backend requirements for the Nexus platform. Our team focused on legacy system integration, API management, and data security protocols. This phase involved designing a scalable microservices architecture, establishing a robust API gateway, and ensuring compliance with financial regulations through secure authentication and authorization methods.
1BACKEND DEVELOPMENT & INTEGRATION
During development, we built a resilient backend system featuring middleware solutions to connect legacy banking systems with modern APIs. Our team developed over 50 API endpoints, enabling seamless data flow and automation of key processes, from pre-trade execution to post-trade reporting. We also implemented advanced transaction monitoring tools to enhance performance and maintain system stability.
2OPTIMIZATION & DEPLOYMENT
In the final phase, we rigorously tested the backend infrastructure to ensure high performance and compliance. Utilizing Docker and Kubernetes, we achieved 99.9% system uptime and robust scalability. Our CI/CD pipeline allowed smooth deployment, while real-time monitoring tools provided ongoing system visibility, ensuring long-term reliability and operational excellence for Nexus.
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