Senior MS Dynamics Business Central Developer (m/f/d)

As a Senior MS Dynamics Business Central Developer, you will join our global Tech team and play a pivotal role in shaping the technical backbone of our operations. In this senior role, you will take full ownership of core development initiatives, optimize complex system architectures, and partner closely with cross-functional teams to engineer innovative, scalable solutions. Driving continuous technical improvement and performance, your work will directly enable our operational excellence and international growth. This position is permanent and based in Warsaw.

What You'll Do

• Design, develop, and implement advanced customisations and extensions for MS Dynamics Business Central using AL and related technologies to support Westwing’s multi-country, multi-language, and multi-currency operations
• Lead the technical architecture for Business Central, ensuring scalability, performance, and alignment with overarching business goals
• Collaborate closely with functional consultants and business stakeholders to translate complex requirements into robust, high-performing technical solutions
• Optimise and maintain Business Central environments, ensuring high availability and seamless integration across our system landscape
• Develop and maintain integrations across Westwing’s IT portfolio, leveraging APIs, Power Platform, and modern integration tools
• Troubleshoot and resolve complex technical issues to guarantee high performance, minimal downtime, and maximum operational efficiency
• Continuously evaluate new Business Central features, Azure services, and modern development tools to drive automation, technical innovation, and efficiency

• 5+ years of hands-on development experience with MS Dynamics Business Central or Dynamics NAV, ideally within a Microsoft Partner or enterprise environment
• Deep expertise in AL programming, Visual Studio Code, and Business Central development frameworks
• Proven track record of delivering scalable, high-quality technical solutions for complex business processes
• Strong knowledge of modern integration techniques, including APIs, Web Services, and Power Platform
• Practical experience leveraging AI-powered tools and services to enhance ERP functionality
• Strong problem-solving skills with a focus on optimising Business Central performance
• Excellent communication and stakeholder management skills with the ability to collaborate effectively across technical and business teams, paired with fluency in English

If you are looking for a place where ambition meets creativity, where ideas turn into impact fast, and where people are trusted to grow - you have found it.

At Westwing, we’re building the Superbrand in Design with a team that’s shaping the future of beautiful home & living.

Here Is What You Can Look Forward To

• A high-performance culture built on trust, feedback and collaboration
• An inspiring, international environment that empowers you to think big, take ownership, and grow beyond your comfort zone
• A flexible hybrid setup with 2 office days per week - because strong connections and quick collaboration make great ideas happen
• Work-from-anywhere opportunities for up to 4 weeks per year - as fresh perspectives spark bold ideas
• 20 to 28 days of paid holiday to rest, recharge, and come back ready to create
• A beautiful, centrally located, dog-friendly office with inspiring spaces
• Exclusive discounts - 40% off Westwing Collection, 20% off third-party brands (each on non-reduced items), 10% Family & Friends discount, plus special-occasion vouchers
• Wellbeing support through mental health resources, sports memberships, and preventive care
• Team rituals that celebrate results and togetherness - from Summer & Winter Parties to Oktoberfest

Westwing, Europe’s #1 in Beautiful Living e-commerce, is present in 20+ European countries and achieved a GMV (Gross Merchandise Volume) of EUR 507 million in 2025. As Europe’s premium one-stop destination for Design Lovers, it offers a unique brand experience with a carefully curated assortment of the Westwing Collection and 3rd party design brands. The integrated platform combines Shop, Daily Specials, Stores, the B2B Service (Westwing Business) and the Westwing Design Service. Westwing’s team works together on its shared purpose to “Excite people to create homes that unlock the full beauty of life”. Founded in 2011, Westwing is headquartered in Munich and went public on the Frankfurt Stock Exchange in October 2018.

Our team is a diverse group of professionals aiming for high performance, working together at a fast pace in an inspiring, international and informal environment that enables you to grow your career while working with a brand and products our customers love. We’re made up of passionate people who are creative enough to disrupt the status quo, brave enough to fail and smart enough to win. So come, be part of the “wow, you work at Westwing?” crowd.

Diversity is deeply rooted in our culture. Our mission doesn’t stop to inspire only your design choices, it continues to embrace an inclusive lifestyle filled with respect to everyone’s uniqueness, cultural differences and equal opportunity.

Department

Technology