Middleware Architect (Boomi, MuleSoft, Kubernetes, SOA)

Capgemini; Województwo pomorskie; On-site; PLN 180,000 - 260,000; Full time

Job summary

Capgemini Poland is seeking a Middleware Architect to shape and evolve the integration landscape for key clients. You will architect and deliver enterprise-grade middleware across cloud, hybrid, and on‑prem environments, ensuring scalability and resilience.

You will lead design decisions using Boomi, MuleSoft, and Kubernetes, collaborate with distributed teams in Poland and the UK, and translate complex business requirements into robust, future-ready solutions.

Qualifications

• 2+ years of experience with integration platforms, middleware, or API integrations.
• Hands-on with Boomi, MuleSoft, or similar iPaaS platforms including REST APIs.
• Experience with Docker and Kubernetes container runtimes.
• Strong communication, fluent English, and interest in AI-assisted automation.

Responsibilities

• Design, develop, and optimize scalable, secure integration solutions across cloud and hybrid environments.
• Define and enforce architecture, quality, security, and governance standards for integration platforms.
• Automate deployment pipelines and provide technical leadership to ensure alignment with enterprise architecture.
• Evaluate and leverage AI‑driven capabilities to enhance integration design, monitoring, and operational efficiency.

Skills

Integration platforms

Boomi

MuleSoft

REST APIs

Workflow orchestration

Docker

Kubernetes

English proficiency

Tools

Docker

Kubernetes

Job description

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Your role

As a Middleware Architect, you will play a key role in shaping and evolving the integration landscape for a leading consulting client. You will architect and deliver enterprise-grade middleware and runtime solutions across cloud, hybrid, and on-premises environments, ensuring scalability, resilience, and operational excellence. Working with technologies such as Boomi, MuleSoft, and Kubernetes, you will provide architectural leadership, drive technology strategy, and establish best practices across integration platforms. In close collaboration with distributed teams in Poland and the UK, you will help transform complex business requirements into robust, future-ready solutions.

Your project

Capgemini Poland’s Application Business Line (ABL) runs one of the strongest Low-Code Hub in Poland – a place where experienced engineers, architects, and curious minds come together to reshape how software is created.

With over 400+ professionals, we drive digital transformation by building deep expertise across a wide range of low‑code technologies, working with platforms such as Mendix, Microsoft Power Platform, Salesforce, Pega, SAP, ServiceNow, and more.

We enable businesses to deliver solutions that accelerate application development, streamline workflows, integrate systems seamlessly, and drive innovation.

• design, develop, and optimize scalable, secure integration solutions across cloud and hybrid environments;
• define and enforce architecture, quality, security, and governance standards for integration platforms;
• automate deployment pipelines and provide technical leadership to ensure alignment with enterprise architecture;
• evaluate and leverage AI-driven capabilities to enhance integration design, monitoring, and operational efficiency.

Your profile

• at least 2 years of experience with integration platforms, middleware solutions, or API-based integrations;
• hands-on knowledge of Boomi, MuleSoft, or similar iPaaS platforms, including SOA, ESB, integration patterns, REST APIs, and workflow orchestration;
• experience with application runtime platforms and container technologies such as Docker and Kubernetes;
• strong communication and collaboration skills, fluent English, and an interest in using AI-assisted tools to improve automation, solution quality, and delivery efficiency.

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.
• 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.