Senior .NET Engineer (Full-Stack, Front-End, Cloud)

We’re looking for an experienced Senior .NET Engineer with cloud expertise to join a development team working on a client project. The role involves designing, building, and maintaining secure, scalable, robust web applications and services using .NET and cloud technologies, with strong front-end development skills. You’ll work with cross-functional teams to deliver solutions that support business objectives and improve user experience.

Working from the office in Katowice, Gdansk, Poznan, Lodz, Warsaw, Wroclaw, or Krakow 3 days per week is required.

Responsibilities

• Build, test, and maintain web-based applications, services, and APIs using .NET technologies, including C# and ASP.NET Core, alongside modern front-end frameworks
• Develop responsive, intuitive, high-performing user interfaces using React or Angular
• Work with Product Managers, Designers, and Engineers to establish application requirements and architecture across front-end and back-end layers
• Manage deployment, integration, and monitoring of software across Microsoft Azure, AWS, or Google Cloud Platform
• Apply cloud-native principles using serverless computing, containers such as Docker and Kubernetes, and cloud storage solutions
• Ensure application security, performance, and scalability through best practices and cloud architecture
• Diagnose and resolve technical issues in production and non-production environments across full-stack components
• Participate in code reviews to maintain code quality, reusability, and long-term maintainability
• Streamline deployment through automated CI/CD pipelines for continuous feature delivery
• Stay current with .NET, front-end, cloud, and related development tools
• Guide junior engineers and contribute to the team’s technical expertise

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related discipline, or comparable practical experience
• At least 5 years of professional software development experience with C# and .NET technologies, including ASP.NET and ASP.NET Core
• Strong hands-on experience with React or Angular, including component architecture, state management, and responsive design
• Ability to build user-friendly interfaces that integrate effectively with back-end services and APIs
• Practical experience with Microsoft Azure, AWS, or Google Cloud Platform
• Solid understanding of cloud-native architectures and tools such as Docker, Kubernetes, or serverless frameworks
• Experience with relational and non-relational databases, including SQL Server, PostgreSQL, MongoDB, or DynamoDB
• Experience designing and developing RESTful APIs
• Knowledge of CI/CD pipelines and tools such as Azure DevOps, Jenkins, or GitHub Actions
• Understanding of Agile methodologies, unit testing, and version control with Git
• Strong analytical problem-solving, communication, teamwork, and attention to detail

Nice to have

• Understanding of AI/ML fundamentals, including model training, data preprocessing, and prompt engineering
• Knowledge of AI adoption and deployment constraints and best practices
• Experience applying AI technologies in real-world project scenarios

Benefits

• Hybrid work model and the option to work remotely within Poland
• Opportunity to work abroad for up to 60 days annually
• Business-driven relocation opportunities
• Career development programs, thought leadership, mentoring, soft-skills, and well-being programs
• Certification opportunities in Anthropic, Gemini, GCP, Azure, and AWS
• English classes
• Stable pay
• Employee Stock Purchase Plan with a 15% discount
• Benefits package including health insurance, multisport, and shopping vouchers
• Referral bonuses up to $2,000
• Offices with entertainment and relaxation zones, table tennis, football, free snacks, and coffee
• Corporate, social, and well-being events

Benefits listed above are available to employees only. Contractors are also welcome; B2B cooperation terms are agreed individually. Only selected candidates will be contacted.