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!
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
requirements-expected :
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
offered :
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
