Senior Software Engineer

Your new company

Our client is a Scandinavian company building its new Business Service Center in Warsaw.

This exciting development offers a unique opportunity to be part of a dynamic team during a pivotal phase of growth and transformation. Join us in contributing to the success of a company known for its innovative approach and commitment to excellence.

Your new role

Are you passionate about building smart, secure, and scalable software that makes a real impact? As a Senior Software Engineer, you’ll be at the heart of designing and delivering custom-built solutions that power our business. You’ll lead the technical side of projects, mentor junior developers, and ensure our applications are not just functional—but future-ready.

This role is perfect for someone who thrives in a collaborative, agile environment and enjoys turning complex business needs into elegant technical solutions.

What You’ll Be Doing

• Crafting high-quality applications using .NET and SQL Server—from design to deployment.
• Translating business needs into technical magic, working closely with stakeholders.
• Providing 2nd and 3rd line support, diving into incidents, and performing root cause analysis.
• Taking part in deployments—planning, executing, documenting, and troubleshooting.
• Writing and maintaining clear, useful documentation (architecture, design, operations).
• Continuously improving existing solutions for performance, scalability, and maintainability.
• Collaborating with developers, architects, and analysts in a SCRUM team environment.
• Helping shape our development standards, tools, and best practices.
• Reviewing code and mentoring junior team members.
• Ensuring everything we build meets security, quality, and compliance standards.

What You Bring to the Table

• Strong command of .NET frameworks, DevOps, and modern development tools.
• Solid understanding of software architecture and design patterns.
• Experience building desktop applications using WinForms or WPF.
• Proficiency in SQL, Entity Framework, and database design.
• Familiarity with CI/CD pipelines, version control, and automated testing.
• Experience with Microsoft Azure, Azure DevOps, or similar cloud platforms.
• Sharp analytical skills and a knack for solving tricky technical problems.
• Bonus points for knowledge of ITIL4, especially around incident and change management.
• A team player who can also work independently and communicate clearly with both tech and business folks.

What you'll get in return

• Career in an Organization with Scandinavian Culture and Values: Experience a work environment that emphasizes equality, work-life balance, and sustainability.
• Work in a hybrid model (3 days in the office per week).
• Potential for a permanent contract after an initial 3-month period.
• Comprehensive medical coverage through Medicover.
• Sports Card: Access to various sports facilities and activities.
• Life insurance coverage for added security.
• Opportunity to be involved in the transition of processes.
• Attractive and competitive salary.
• Chance of being part of a new strong developer team in Warsaw, working close to your colleagues in Denmark, in our SCRUM setup.

What you need to do now

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.