Senior MuleSoft Integration Developer – Managed Services

• Mule ESB
• Mulesoft
• Salesforce

• Proven experience integrating Salesforce with MuleSoft and understanding Salesforce-MuleSoft integration patterns.
• MuleSoft certifications: MCD Level 1, Integration Architect, Platform Architect, API Design Associate.
• Expertise in Mule 4 and Anypoint Platform, with strong DataWeave skills.
• Deep understanding of API-led connectivity and integration patterns.
• Experience with REST/SOAP, RAML/OpenAPI, messaging (JMS/Kafka), and connectors/protocols.
• Strong knowledge of security best practices: OAuth 2.0, JWT, mTLS/TLS, client credential management, and API gateway policies.
• Hands-on experience with deployment topologies: CloudHub, Runtime Fabric, hybrid/on-prem; familiarity with VPCs, VPNs, Private Spaces, and environment promotion strategies.
• Proficiency in monitoring and debugging tools, performance tuning, and resiliency patterns.
• Proven track record in managed services or IT support projects in an international environment.
• Leadership skills with a collaborative and team-oriented mindset.

• Experience managing a small project team, including task assignment, progress supervision, and end-to-end solution quality ownership.
• Willingness to learn and adopt new technologies and integration solutions.

• at the clients site

At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations.