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MuleSoft Integration Engineer (f/m/x) Miejsce pracy: Rzeszów Technologies we use Expected MuleSoft Anypoint Platform CloudHub Mule ESB REST SoapUI Optional Splunk SQL About the project We are looking for an experienced MuleSoft Developer to join our team at Sii and support a global organization recognized for its data‑driven solutions and advanced integration ecosystem. You will work on innovative MuleSoft-based applications enabling business transformation and seamless connectivity across systems. This is a long‑term project delivered in close cooperation with our client, offering stability, growth opportunities, and access to Sii’s internal development programs, certifications, and technology partnerships. If you’re ready for your next step in integration engineering, we encourage you to apply and join our team! Your responsibilities Designing, developing, and deploying scalable MuleSoft integrations supporting business transformation Collaborating with MuleSoft Architects to build advanced integration solutions aligned with client requirements Providing high‑quality technical support to users and stakeholders, ensuring the smooth operation of integration services Troubleshooting, optimizing, and maintaining MuleSoft applications to enhance performance and stability Creating and maintaining technical documentation to support knowledge sharing and long‑term solution maintenance Our requirements At least 5 years of experience in developing, designing, and implementing MuleSoft integrations Strong knowledge of API development and integration patterns using REST and SOAP Hands‑on experience with Anypoint Platform, CloudHub, and Mule ESB Solid troubleshooting skills and ability to deliver scalable, efficient integration solutions Very good English (B2/C1), enabling clear communication with technical and non‑technical stakeholders Fluent Polish required Residing in Poland required What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People Recruitment stages Send your CV Talk to us about your expectations Learn more about our projects and choose the best Start your adventure with Sii! Sii Sp. z o.o. Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment. Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.