Senior Integration Developer (API-led, MuleSoft, Salesforce)

Your role

You will be a senior, hands‑on integration developer responsible for designing and implementing MuleSoft‑based integration solutions for enterprise clients. Working within architectures defined by Integration Architects, you will contribute to solution design, ensure high‑quality implementation, and act as a technical leader within the development team. You will help build strong integration capabilities in Poland while collaborating with our global MuleSoft and integration community.

We are hiring in Wrocław, Poznań, Gdańsk and Kraków!

Your tasks

• Design, develop, and deliver integration solutions using the MuleSoft Anypoint Platform.
• Contribute to solution designs and High‑Level Designs under architectural guidance.
• Implement APIs and integrations according to established architecture standards and best practices.
• Define interfaces, data models, and integration logic in complex environments.
• Act as a technical lead within the development team and support less experienced colleagues.
• Ensure quality, performance, security, and maintainability of delivered solutions.
• Collaborate closely with architects, testers, and business stakeholders throughout the delivery lifecycle.

Your profile

• Minimum 3–5 years of experience as an integration developer, including hands‑on MuleSoft development experience.
• Strong experience designing and implementing APIs using REST, SOAP, XML, EDI, and API Management.
• Practical knowledge of MuleSoft Anypoint Platform, Anypoint Studio, and API‑led connectivity.
• Understanding of API security mechanisms such as OAuth2 and TLS/SSL.
• Experience working in agile delivery teams and complex integration landscapes.
• Willingness to mentor junior team members and grow toward advanced technical or architectural roles.
• Good communication skills and ability to work effectively in an international environment.

What You'll love about working here?

• Practical benefits: private medical care with Medicover with additional packages (e.g., dental, senior care, oncology) available on preferential terms, life insurance and 40+ options on our NAIS benefit platform, including Netflix, Spotify or Sports card;
• Access to over 70 training tracks with certification opportunities (e.g., GenAI, Architects, Google) on our NEXT platform. Dive into a world of knowledge with free access to Education First languages platform, TED Talks and Udemy Business materials and trainings;
• Enjoy hybrid working model that fits your life - after completing onboarding, connect work from a modern office with ergonomic work from home, thanks to home office package (including laptop, monitor, and chair). Ask your recruiter about the details;
• Community Hub that will allow you to choose from over 20 professional communities that gather people interested in, among others: Salesforce, Java, Could, IoT, Agile, AI.

Get to know us

Capgemini is committed to diversity and inclusion, ensuring fairness in all employment practices. We evaluate individuals based on qualifications and performance, not personal characteristics, striving to create a workplace where everyone can succeed and feel valued.

Do you want to get to know us better? Check our Instagram — @capgeminipl or visit our Facebook profile — Capgemini Polska. You can also find us on YouTube.