MuleSoft Integration Developer

ABOUT THE ROLE Mariner is looking for a talented MuleSoft Integration Developer to join our Platform team. In this key role, you will architect, develop, and sustain integration layers that securely connect Salesforce Financial Services Cloud (FSC) to our core financial planning platforms, custodians, and third-party data sources. As an essential part of our advisor ecosystem, you will help ensure seamless, reliable, and high-performance data flows that drive advisor and client engagement. KEY RESPONSIBILITIES Design and develop integrations on MuleSoft Anypoint Platform (APIs, flows, connectors) linking Salesforce FSC with financial planning, portfolio management, and custodian systems Build and maintain RESTful and SOAP APIs using RAML/OAS, applying best enterprise integration patterns Implement robust error handling, retry mechanisms, monitoring, and alerting for mission-critical integration pipelines Collaborate closely with FSC solution architects and platform product managers to interpret business requirements into integration solutions Own the API lifecycle, including versioning, deprecation strategies, and documentation in Anypoint Exchange Participate in code reviews, promote coding standards, and champion integration excellence Troubleshoot and resolve integration issues, performing root cause analysis for incidents Coordinate with corporate IT to define and uphold integration ownership boundaries (e.g., Slack/FSC integration touchpoints) REQUIRED QUALIFICATIONS 3+ years of hands-on development experience with MuleSoft Anypoint Platform Deep expertise in DataWeave 2.0 for advanced data transformations Solid experience integrating with Salesforce (REST/SOAP APIs, Platform Events, Change Data Capture) Strong foundation in API-led connectivity concepts (Experience, Process, System layers) Knowledge of OAuth 2.0, JWT, and enterprise security implementations Proficiency with CI/CD pipelines and deploying to CloudHub or on-prem Mule Runtime SLACK INTEGRATION RESPONSIBILITIES Design and develop Slack integrations using Slack APIs, webhooks, Workflow Builder, and custom app development Develop and maintain Slack-powered workflows that interface with Salesforce, Agentforce, Ashby, Oracle, and other business-critical systems Collaborate with the Slack Administrator to select, implement, and support Slack applications and automations Create APIs and MCP-compatible services to enhance Agentforce and Slack user experiences Implement Slack event subscriptions, slash commands, alert notifications, and workflow automations Influence the architecture of AI-driven workflows spanning Slack, Agentforce, Salesforce, and additional enterprise platforms PREFERRED QUALIFICATIONS MuleSoft Certified Developer (Level 1 or above) Experience working in financial services or wealth management technology Familiarity with the Salesforce FSC data model (Accounts, Financial Accounts, Relationships) Understanding of financial industry data standards (FIX, ACORD, or APIs from custodians such as Pershing/Schwab/Fidelity) Background integrating Agentforce or Salesforce Einstein is a plus Proficient with Slack APIs, Bolt Framework, webhooks, and workflow automation Experience building conversational UIs and bot integrations Knowledge of MCP architecture and AI agent integration patterns Demonstrated success integrating Slack with Salesforce and other enterprise SaaS platforms We welcome your interest in being a part of our firm. We believe in giving associates progressive opportunities, actively nurturing professional growth and giving back to the community. We are dedicated to building a diverse culture where everyone has the support they need to achieve their career goals. We offer an innovative workplace and a culture that fosters camaraderie, teamwork and work-life balance. By submitting your application, you agree to the collection and use of your personal information as described in our Employee and Applicant Privacy Notice . EOE M/F/D/V