Senior .NET Fullstack Engineer

Posted 2 Days Ago
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Poland
Senior level
Information Technology • Consulting
The Role
As a Senior .NET Fullstack Engineer, you will design, develop, and maintain high-quality software solutions, focusing on backend services using .NET (C#) and collaborating with an agile team. Your role involves developing scalable software, implementing microservices, ensuring code quality, and mentoring junior developers.
Summary Generated by Built In

Since 2002, our Client has led automotive claims management, processing 18+ million claims annually across 30+ countries. With 1,000+ employees, they provide digital solutions for insurers, dealerships, repair shops, leasing firms, and manufacturers. Leveraging automation and industry expertise, their R&D team drives innovation, enhancing efficiency and accuracy. Their development team builds scalable software, integrating data-driven processes with human expertise to transform claims management.

Your Role

As a Senior .NET Developer you will play a key role in designing, developing, and maintaining high-quality software solutions. You will work closely with an agile team, contributing to architecture decisions, ensuring code quality, and driving continuous improvement. 

Key Responsibilities

  • Design and develop software solutions based on microservices architecture.
  • Develop, test, document, and maintain backend services using .NET (C#).
  • Write clean, scalable, and well-tested code that adheres to SOLID principles.
  • Implement and integrate software modules and services into a broader system.
  • Work closely with your agile teammates to achieve sprint goals.
  • Participate in Scrum ceremonies (daily stand-ups, refinements, sprint planning, retrospectives).
  • Provide mentorship and support to fellow developers, fostering a culture of knowledge sharing.
  • Estimate tasks and contribute to sprint planning with realistic timeframes.
  • Develop and maintain unit and integration tests (Test-Driven Development (TDD)).
  • Contribute to continuous integration and deployment (CI/CD pipelines using GitLab).
  • Support the automation and optimization of business processes.

Tech Stack & Tools

  • NET (C#), microservices architecture (.NET 6, .NET 8, some legacy .NET 4.5).
  • Frontend: ReactJS, Blazor.
  • Storage: SQL Server, AWS S3, MongoDB.
  • Messaging & Async Processing: RabbitMQ, Hangfire.
  • Cloud & Hosting: On-premise with strategic migration to AWS or Azure, VMware Tanzu for hybrid environments.
  • CI/CD & DevOps: GitLab, ELK stack, Grafana, Sentry.

What We Expect from You

  • Bachelor’s degree in Computer Science, IT, or a related field (or relevant experience).
  • 5+ years of experience in the Microsoft development stack (C#/.NET, SQL Server).
  • Strong understanding of ASP.NET, microservices architecture, and SOLID principles.
  • Experience with CI/CD pipelines, Git, and cloud platforms (AWS, Azure).
  • Knowledge of ReactJS, Blazor, TypeScript (a plus).
  • Experience with Kubernetes, containerization, and cloud-native development (preferred).
  • Proactive, self-organized problem solver with an innovative mindset.
  • Strong team player who enjoys mentoring and helping colleagues.
  • Passion for continuous learning and staying up to date with the latest technologies.
  • Excellent verbal and written communication skills in English or German.

We offer:

  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits

Top Skills

.Net
C#
The Company
HQ: North Miami Beach, Florida
2,135 Employees
On-site Workplace
Year Founded: 2002

What We Do

N-iX is a global software solutions and engineering services company that helps world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using advanced technology. Whether you need to build a custom solution, modernize your digital product or acquire extra tech expertise - we have the experience and capabilities to ensure your success.

With over 2,000 professionals in 25 countries across Europe and the Americas, N-iX offers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other tech domains. Being in business for over two decades, we have worked with dozens of industry-leading enterprises and Fortune 500 companies creating value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, e-commerce, healthcare, and more. Our unique combination of business domain expertise and technical know-how enables us to effectively collaborate with ISVs, tech companies, and enterprises of all sizes. Thanks to the strong tech ecosystem and partnerships with AWS, GCP, Microsoft, SAP, OpenText, Snowflake, and others, we bring extra speed, scale and efficiency to more than 160 organizations across the globe. N-iX is recognized by numerous industry awards, such as CRN Solution Provider 500, Global Outsourcing 100 by IAOP, ISG Provider Lens™, Modern Application Development services providers by Forrester, etc

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