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MuleSoft connector development
Key achievements

“You are f#$!^%' rocking it!”
Aníbal Lovaglio, Tech lead at MuleSoft
Client
MuleSoft is an integration platform company headquartered in San Francisco, California, that connects applications, data sources, and APIs across cloud and on-premises systems. MuleSoft has been part of Salesforce since 2018.

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Case study
The need
Modern businesses rely on data from multiple systems to make informed decisions. These systems need to exchange data quickly, securely, and automatically. However, applications often operate in isolation and use different data formats, protocols, processes, and security mechanisms. MuleSoft’s Anypoint Platform addresses this integration challenge.
Hotovo and MuleSoft started working together in 2014, when MuleSoft needed a development partner capable of operating as an extension of its internal teams. This required engineers with in-depth knowledge of the Anypoint Platform, Mule ESB, and API design using RAML and OAS.
Core issue
MuleSoft needed a trusted development partner that could integrate with its teams and support a broad range of products and integration solutions. This required in-depth platform expertise, collaboration with distributed teams, and consistent delivery within strict quality and time-to-market requirements.
The work spanned retail, banking, healthcare, API management, developer portals, connectors, and integration templates. The Hotovo teams also had to adapt to changing requirements and handle support escalations, connector certification, and the evolving needs of the MuleSoft ecosystem.
Our solution
Hotovo supported MuleSoft from its early stages through its IPO and subsequent acquisition by Salesforce.
The Hotovo team implemented Catalyst Accelerators for Retail, Banking, and Healthcare, covering solutions from UI portals to backend systems. Our team designed, developed, and delivered solutions that met MuleSoft’s requirements and deadlines.
This included:
- Agile project delivery using Scrum
- Requirements analysis
- UI, backend, and architecture design
- Prototyping and mockups of UI portals
- UI and backend implementation
- Connector implementation
- QA testing of UI and backend systems, including integration testing
- QA testing and certification of connectors
- Unit testing
- Deployment, bug fixing, and release management
- Support escalation
Our team regularly collaborated with other MuleSoft teams and adapted solutions based on customer feedback.
MuleSoft’s core development team was based in Buenos Aires, Argentina, where Hotovo team members visited on several occasions. Our team also visited MuleSoft’s headquarters in San Francisco.
Retail Catalyst Accelerator
The Catalyst Accelerator for Retail is a set of API designs and reference implementations that support digital transformation. It provides a UI portal built on a microservices-based architecture for omnichannel retail use cases.
The accelerator supports processes such as customer onboarding, product availability, and order fulfillment, requiring real-time integration across e-commerce platforms, CRM systems, and other systems of record.
Banking Catalyst Accelerator
The Banking Catalyst Accelerator supports payment services under the PSD2 directive and integration with core banking systems such as AS/400, Temenos, and Salesforce. Key features include:
- Open Banking standards
- Reusable and secure reference architecture
- Industry-specific endpoints
Healthcare Catalyst Accelerator
The Healthcare Catalyst Accelerator provides an end-to-end reference implementation of the FHIR standard. It enables healthcare providers to exchange data between electronic medical record (EMR) systems and mobile and web applications while providing secure and governed data access.
MuleSoft Anypoint Developer Portal
Companies use the Anypoint Platform to expose APIs securely. The goal of the project was to provide a unified way to create and publish web portals for developers building applications using these APIs.
The Hotovo team developed a developer portal for presenting third-party APIs through tutorials, RAML consoles, forums, and blogs. Each portal was hosted by MuleSoft and customized to the client’s corporate identity.
The project integrated user authentication, APIs, RAML definitions, and API Notebooks with the Anypoint Platform, with a focus on usability and UI design.
Integration templates
The Hotovo team introduced best practices for Mule ESB integrations through reusable integration templates and examples published on Anypoint Exchange.
Our team developed new templates covering additional scenarios and connectors and maintained the existing library of templates and examples.
Integration types:
- Point-to-point
- Multipoint
- Microservices (API-led architecture)
Integration patterns:
- Migration
- Broadcast
- Aggregation
- Bidirectional synchronization
B2B Partner Manager development
Partner Manager provides a web-based interface for managing business partners and monitoring standardized B2B transactions.
The Hotovo team contributed to the design and implementation of B2B Partner Manager solutions using B2B standards, protocols, and data formats including EDI, X12, AS2, and CSV.
Custom Mule ESB connector - Atlassian Jira
The Hotovo team developed a MuleSoft-certified Jira Connector for Mule ESB, providing secure access to Jira data through the REST API.
The connector supports Basic HTTP authentication over SSL and can be used for both pushing and retrieving data.
Custom Mule ESB connector - Atlassian STASH
The Hotovo team developed an Atlassian Stash (now Bitbucket Server) connector for Mule ESB, providing secure access to Stash through its REST API.
The connector allows applications to perform operations exposed by the Stash REST API without requiring developers to build and secure custom integrations.
Custom Mule ESB connector - Dropbox
The Hotovo team developed a Dropbox Connector for MuleSoft that uses access token authentication to establish a secure connection with Dropbox.
The connector integrates Mule ESB with the Dropbox REST API, enabling users to access, manage, push, and retrieve data.
MuleSoft Connectors development
The Hotovo team designed and implemented MuleSoft-branded connectors for selected systems. Our work included developing new connectors from scratch, as well as maintaining, fixing, and improving existing ones. The team also upgraded connectors from older runtimes and supported quality-to-market processes. We successfully addressed time-to-market challenges, service escalations, and incident requests.
MuleSoft connectors are a core part of the Anypoint Platform and are widely used by MuleSoft customers for integration.
MuleSoft Composer Connectors development
MuleSoft Composer is a low-code integration tool that enables non-developers to connect applications and data. Built on the Anypoint Platform, it benefits from enterprise-grade runtime, monitoring, security, governance, and collaboration capabilities.
The Hotovo teams were among the first at MuleSoft to develop connectors for Composer. They worked with new technologies and contributed to the development of tooling and approaches that supported the rapid expansion of the Composer connector portfolio.
Our work covered the full connector development lifecycle, including requirements analysis, design, development, testing, and maintenance.
Systems and connectors covered:
- AWS: DynamoDB, EC2, Kinesis Data Streams, Lambda, RDS, Redshift, S3, SNS, SQS
- SAP: S/4HANA OData, S/4HANA SOAP
- Google: Google Calendar, Google Pub/Sub, Gmail
- Microsoft: Dynamics 365, Outlook 365
- Other: HTTP Composer, HTTP Request, Jira, NetSuite, QuickBooks Online, Sage Intacct, Shopify, REST Consumer, RPA, SMTP, ServiceNow, Twilio, Veeva Vault, Workday, Xero, Zendesk
Enhancing MuleSoft's internal tools
The Hotovo team enhanced MuleSoft’s internal tools, with a focus on CI/CD capabilities and tooling infrastructure for connector development.
Our work covered the entire connector lifecycle, from generation to packaging and deployment. By introducing CI/CD automation, we reduced manual processes, improved developer productivity, and supported faster delivery of high-quality connectors.
The team also improved MuleSoft’s tooling ecosystem by adding new capabilities and optimizing the developer experience, making connector development and delivery more efficient.
Key results
- 10 years of collaboration with MuleSoft, from 2014 to 2024
- Delivered a broad range of integration solutions across multiple industries and technologies
- Contributed to MuleSoft’s connectors, Catalyst Accelerators, developer tools, and Anypoint Platform ecosystem
- Atlassian Jira REST Connector won the Best Mule ESB Connector Award at the MuleSoft CONNECT conference
- Consistently met MuleSoft’s quality and time-to-market requirements, earning recognition from senior management
Tech stack
- JS, React.JS (the whole UI)
- JAVA, Jersey, Spring boot, Log4j2, Maven
- CI - Cloudbees, Jenkins and Groovy
- AML, AMF, APB, ALS - Built on Microsoft LSP
- Mule 4
- RAML APIs design (REST/SOAP)
- OAS APIs design + Custom OAS extensions
- Kubernetes
- Auth0
- FHIR, HL7
- MUnit (unit tests)
- Integration testing (SOAP UI, Robot Framework)
- Unit testing (Spock)
Team size
- Two dedicated Hotovo teams, including project managers and 15 developers, architects, and QA engineers
- Collaboration with MuleSoft teams in the USA and Argentina
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