Senior Sitecore Developer

Wunderman Thompson

Department: Technology

Expertise: Technology

Location: Katowice, Poland

Who we are:

At Wunderman Thompson we exist to inspire growth for ambitious brands. Part creative agency, part consultancy and part technology company, our experts provide end-to-end capabilities at a global scale to deliver inspiration across the entire brand and customer experience.

We are 20,000 strong in 90 markets around the world; our people bring together creative storytelling, diverse perspectives, inclusive thinking, and highly specialized vertical capabilities to drive growth for our clients. We offer deep expertise across the entire customer journey, including communications, commerce, consultancy, CRM, CX, data, production, and technology.

We are Wunderman Thompson Technology - a group of talented engineers, tech experts, and creators who combine our passions and contribute to the IT world. You may know us better as Cognifide or Mirum – in 2020 we changed our names, but at the same time, we remained a great team of people who deliver our best. We design, build, manage and run complex technology platforms and help our clients to benefit from our work and creativity.

Technologies we work with:

  • C#, ASP.NET MVC, .NET Core
  • Sitecore CMS
  • SXA, Sitecore Commerce, Content Hub
  • Microsoft SQL Server
  • Microsoft Azure, AWS

What you'll get to do:

  • Be part of interdisciplinary development and delivery teams and deliver state-of-the-art platforms
  • Together with your team members take an active part in decision making, consulting on technical solutions, and shaping projects at every stage
  • Deliver projects from definition, through build and testing, up to shipping to production
  • Use modern development tools including dedicated Azure subscription to extend your cloud skills
  • Take part in internal initiatives that combine business and technology (open-source projects, hackathons, R&D)
  • Do production deployments along with monitoring of performance and security
  • Provide mentorship and support less experienced developers

What you should have:

  • Experience in developing Sitecore based web applications (3+ years)
  • Experience with Sitecore production installation, configuration, and deployment
  • Good knowledge of C#, ASP.NET MVC, REST API, Git
  • Good knowledge of Microsoft SQL Server, Microsoft IIS
  • Good knowledge of Sitecore best practices, Helix architecture
  • Analytical and problem-solving skills
  • Knowledge of Agile – you should know how to work in Scrum
  • Basic knowledge of: HTML, CSS, JavaScript
  • Fluent English (B2 minimum)

Bonus Points if you have:

  • Knowledge about cloud solutions: Azure, AWS
  • Experience with Continuous Integration / Continuous Delivery
  • Experience with Docker, Containerization
  • Knowledge about Solr search platform
  • Knowledge about JIRA and Confluence
  • Knowledge about e-commerce systems, other CMS systems
  • Sitecore developer certification


What we offer:

  • Salary depending on presented skills: 18 000 - 27 000 PLN gross (Contract of Employment) or 20 000 - 29 000 PLN (B2B). Choose the employment type that works best for you
  • Annual bonus reliant on the company profit
  • Tax-deductible copyrights
  • Budget for training and development (conferences, certifications, workshops and other), internal knowledge-sharing initiatives
  • Hybrid work style and flexible working hours - you can work from home, from our offices, or mix your work plan
  • Additional paid days off as an anniversary reward
  • Cafeteria system (MyBenefit) and Lunch compensation ( vouchers)
  • Private healthcare for you and your family (Luxmed VIP package)
  • Group insurance and travel insurance
  • Co-financing your holidays, kindergarten, Multisport Plus, and others
  • Referral Program – you can receive up to 10 000 PLN gross for employee recommendation
  • English lessons during work hours
  • Office and online integration events and team building activities
  • Internal knowledge sharing and team initiatives (hackathons, lightning talks, mentoring, team and company-wide retreats)
  • Support from your first days at WTT - a designated mentor who will support you through your whole career at WTT
  • Work equipment tailored to your needs with delivery to your door


We are a part of Wunderman Thompson. Learn more about our Polish offices on dedicated social media: Facebook WT Tech Poland, Instagram WT Tech Poland.


At Wunderman Thompson, we are committed to actively building a diverse, equitable and inclusive workplace where everyone feels welcomed, valued and heard, and is treated with dignity and respect.  As leaders and creative partners across industries, it is our responsibility to cultivate an environment reflective of our greatest asset; our people. We believe that this commitment inspires growth and delivers equitable outcomes for everyone as well as the clients and communities we serve.

Wunderman Thompson is a WPP agency.  For more informationplease visit our website and follow Wunderman Thompson on our social channels via Twitter, Facebook, LinkedIn, and Instagram.  

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When you click the "Submit Application" button below, this will send any information you add below to Wunderman Thompson. Before you do this, we think it's a good idea to read through our Privacy Policy. This explains what we do with your personal data when you apply for a role with us, and, how you can update the information you have provided us with or how to remove it.

When you click the "Submit Application" button above, this will send all the information you have added above to Wunderman Thompson. Before you do this, we think it's a good idea to read through our Privacy Policy. This explains what we do with your personal data when you apply for a role with us, and, how you can update the information you have provided us with or how to remove it.