Senior Fullstack Developer

Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together!

We are looking for an experienced Senior Fullstack Developer (C# / Angular) who will join a project for our client in the healthcare industry.

Please note: At the beginning, the candidate should be available to work part of their day in alignment with Canadian business hours (-6 hours). Going forward, flexibility to attend meetings and collaborate during shared working hours with the Canadian team will be required.

What you will do:

• Lead the design and development of enterprise applications using C#, .NET, and Angular.
• Define technical solutions, system architecture, and development best practices.
• Develop and enhance high-performance APIs, microservices, and SQL-based solutions.
• Collaborate with stakeholders and mentor developers to deliver robust and scalable software.
• Maintain and modernize legacy applications while improving performance, security, and DevOps processes.

What we are looking for:

• 12+ years of experience in software development, with strong expertise in C# and .NET technologies.
• Deep understanding of ASP.NET Framework, Web API, MVC architecture, Windows Services, WinForms, and WCF Services.
• Solid front-end development experience with Angular and familiarity with maintaining legacy applications built with AngularJS.
• Strong knowledge of Object-Oriented Design (OOD), software design principles, and design patterns.
• Hands-on experience with Entity Framework Core, LINQ, and ORM frameworks.
• Proven experience with RESTful services and microservices architecture.
• Strong expertise in SQL Server, database design, query optimization, and performance tuning.
• Proficiency with Git and modern version control practices.

Perks and benefits (our offer):

• Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.
• Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location.
• Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more.
• Global collaboration - work with a diverse, international team.
• Innovative environment - be part of a forward-thinking and growth-oriented workplace.
• Engaging community - Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.
• Team-building events including our company tradition (annual company event in Mazury).
• A pleasant surprise to start your journey with us in the form of a welcome pack.