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Mulesoft Developer

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Remote

Mulesoft Developer

fusionSpan

Mulesoft Developer

Skills

SQL QueriesBig DataTesting & QAMicroservicesAWSSalesforceAzure

22 days ago

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Important information


Contract type:

Freelance / Contract

Location:

Warsaw, Poland

Work mode:

Remote

Published on:

28 September 2026

What they need


fusionSpan is a fast-growing multinational information technology services company, and we are seeking a Mulesoft Developer to join the team.

This is a long term b2b contract . You will be working with US-based team members and clients. We would want some flexibility with hours, so a typical day would be from 12:30 pm to 9 pm local time.

We are a team of highly committed individuals inspired by technology's role in society.

As part of the Engineering team, the Mulesoft Developer will design, develop, and maintain Mulesoft integration solutions, develop custom applications, integrate various IT systems, and work on Salesforce implementation projects. This is a client-facing role, where you will be working with multiple non-profit organizations.

Responsibilities

  • MuleSoft integration development, design, build, test, debug, deploy, APIs, and integrations
  • Design and develop web services with SOAP and REST API's
  • Develop detailed software design documentation and API documentation
  • Work on cutting-edge technologies like Big Data, reliable messaging frameworks & ETL
  • Do client showcases and demonstrations of developed solutions
  • Design and develop APIs using MuleSoft Anypoint Platform.
  • Implement API-led connectivity solutions that cater to enterprise integration needs.
  • Participate in each phase of the software development lifecycle: requirements gathering, design, development, testing, and maintenance.
  • Collaborate with business and technical stakeholders to understand the systems integrated with MuleSoft.
  • Prepare detailed technical specs for the development and integration of solutions.
  • Adhere to coding and design standards. Ensure the code delivered is on time and is of the required quality.
  • Troubleshoot and resolve bugs and performance issues.
  • Prepare and maintain technical documentation and user manuals.
  • Conduct unit testing and assist the Quality Assurance team in integration and system tests.
  • Aid in analyzing and resolving production support issues as they arise.

Required

  • 2+ years of experience as a Mulesoft developer
  • Software design and architecture experience
  • Experience with a public cloud like AWS/Azure
  • Experience with APIs, Rest and/or SOAP web services
  • Familiarity with web or database application development and strong in SQL
  • Experience in Agile development methodology/Scrum
  • Proven experience as a MuleSoft Developer or similar role in API and platform engineering.
  • Solid understanding of MuleSoft Anypoint Platform, Mule Runtime, Mule API gateway, and all other MuleSoft products.
  • Experience with REST and SOAP web services, RAML in Mule, and use of connectors for integration.
  • Knowledge of Integration Design patterns and Microservices architecture.
  • Excellent debugging and troubleshooting skills.
  • Strong written and verbal communication skills.

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