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.

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 full-stack environments.
• Participate in code reviews to maintain code quality, reusability, and long-term maintainability.
• Streamline deployments 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.
• Proven ability to build user-friendly interfaces integrated 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, such as SQL Server, PostgreSQL, MongoDB, or DynamoDB.
• Practical experience designing and developing RESTful APIs.
• Working knowledge of CI/CD pipelines and tools such as Azure DevOps, Jenkins, or GitHub Actions.
• Strong understanding of Agile methodologies, unit testing, and version control using Git.
• Strong analytical, problem-solving, communication, and teamwork skills.

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 to real-world projects.

We offer

• Hybrid work model and the opportunity 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.
• Participation in the 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 welcome; B2B cooperation terms are agreed individually. Only selected candidates will be contacted.