UI Software Developer (Blazor)

📍 Job Overview

Job Title: UI Software Developer (Blazor) Company: Primetals Technologies Location: Krakow, Lesser Poland Voivodeship, Poland / Rzeszów, Podkarpackie, Poland Job Type: FULL_TIME Category: Software Development / UI Development Date Posted: 2025-09-15 Experience Level: Mid-Level (2-5 years) Remote Status: Hybrid

🚀 Role Summary

• Focus on designing and implementing sophisticated web user interfaces for industrial systems, leveraging modern development methodologies.
• Drive consistent development strategies and standardization of guidelines, collaborating closely with backend development teams to ensure seamless integration.
• Develop and maintain technical documentation for UI components and system functionalities, ensuring clarity and accuracy for all stakeholders.
• Participate in the commissioning of systems in real industrial environments, requiring a hands-on approach and problem-solving skills.
• Utilize Blazor and C#/.NET technologies to build robust, scalable, and user-friendly interfaces for complex industrial applications.

📝 Enhancement Note: While the title is "UI Software Developer," the responsibilities clearly indicate a full-stack leaning with a strong emphasis on the front-end. The mention of "industrial systems" and "commissioning in real industrial environments" suggests a need for understanding system integration and potentially embedded systems context, which is crucial for operations professionals in manufacturing or industrial sectors.

📈 Primary Responsibilities

• Design, develop, and implement responsive and intuitive web user interfaces using Blazor, C#, and related technologies for industrial automation and control systems.
• Collaborate effectively with backend developers to define API contracts, integrate services, and ensure a cohesive user experience across the application stack.
• Translate user needs, system requirements, and design mockups into high-quality, maintainable code, adhering to clean code principles and best practices.
• Create and maintain comprehensive technical documentation, including user guides, API specifications, and system architecture diagrams, to support development and operational teams.
• Participate in the entire software development lifecycle, from requirements gathering and design to testing, deployment, and post-implementation support, including on-site commissioning.
• Contribute to the definition and enforcement of development standards, coding guidelines, and UI/UX best practices within the development team.
• Troubleshoot and resolve UI-related bugs and performance issues, optimizing applications for responsiveness and efficiency in demanding industrial environments.
• Stay updated with the latest trends and advancements in Blazor, .NET, and web development technologies, proposing and implementing improvements to the development process and technology stack.

📝 Enhancement Note: The responsibilities highlight a blend of front-end development, system integration, and on-site deployment, which is common in industrial software roles. The emphasis on "consistent development strategy," "standardization of guidelines," and "technical documentation" points towards a need for process-oriented thinking, a key trait for operations professionals.

🎓 Skills & Qualifications

Education:

• Higher technical education is required, preferably in Computer Science, Software Engineering, Automation, or a related technical field.

Experience:

• Minimum of 3 years of professional programming experience is required for this Mid-level position.

Required Skills:

• Strong proficiency in C# with .NET (version 6+ preferred, 8+ highly desirable) for building enterprise-level applications.
• Proven experience with Blazor for developing modern, interactive web user interfaces.
• Solid understanding of front-end technologies including HTML5, CSS3, and JavaScript/TypeScript.
• Experience working with service-oriented architectures, specifically with RESTful APIs and real-time communication protocols like SignalR and WebSockets.
• Demonstrated knowledge and application of clean code principles, design patterns, and software development best practices.
• Good understanding of CI/CD (Continuous Integration/Continuous Deployment) concepts and experience with relevant tools.
• Strong analytical thinking, problem-solving abilities, and a creative approach to software development challenges.
• Excellent command of English (B2+ proficiency) for effective communication within an international team.

Preferred Skills:

• Knowledge of backend development, particularly in C++ and SQL, to complement UI development efforts.
• Prior experience in web application development, including understanding of full-stack architectures.
• Experience with UX (User Experience) design principles and practices, with a keen eye for usability and aesthetics.
• Proficiency in German, in addition to English, would be a significant advantage for client interactions.

📝 Enhancement Note: The requirement for C#/.NET and Blazor clearly defines the core technical stack. The inclusion of "clean code principles," "CI/CD concepts," and "analytical thinking" aligns with operations' focus on efficiency, process standardization, and data-driven decision-making. The "availability for business trips" also suggests a need for adaptability and on-site support, characteristic of roles that bridge development and operations.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase examples of Blazor applications or UI components that demonstrate proficiency in creating dynamic and interactive user experiences.
• Include projects that highlight your ability to integrate front-end interfaces with backend services via REST APIs or real-time protocols (SignalR, WebSockets).
• Provide evidence of applying clean code principles, including examples of well-structured, maintainable, and testable code.
• Demonstrate understanding of UI/UX best practices through well-designed interfaces, even if not a dedicated UX role.
• If possible, include projects that touch upon industrial systems or complex data visualization, showcasing your adaptability to specific domain requirements.

Process Documentation:

• Candidates are expected to have experience in creating or contributing to technical documentation. This could include API documentation, user guides, or system design specifications.
• The ability to articulate the development process, including how CI/CD pipelines were utilized or how standards were maintained, is beneficial.
• Examples of how you've contributed to process improvements or standardization within development workflows would be highly regarded.

📝 Enhancement Note: While this is a development role, operations professionals often need to demonstrate process adherence and documentation skills. For a UI developer, this translates to showcasing how they structure their code, manage dependencies, and contribute to the overall development pipeline. The emphasis on clean code and CI/CD directly relates to maintainability and deployment efficiency, key operational concerns.

💵 Compensation & Benefits

Salary Range: For a Mid-Level UI Software Developer (2-5 years of experience) in Krakow or Rzeszów, Poland, the estimated gross monthly salary range is typically between 12,000 PLN and 18,000 PLN. This can vary based on specific skills, interview performance, and exact experience alignment.

Benefits:

• Friendly cooperation atmosphere within a stable, international company.
• Hybrid working system (home/office), with full remote work equipment provided (laptop, large monitor, office chair).
• Flexible working hours to accommodate work-life balance.
• Full insurance coverage during business trips (medical, required vaccinations).
• International projects and engagement with global customers.
• Private medical care.
• Life insurance policy.
• Sport packages.
• AMEX credit card.
• Integration meetings and team-building activities.
• Extra days off around public holidays.
• Access to a relax zone, game room, and complimentary soft drinks in the office.
• Provided parking spots.
• Shower facilities available in the Krakow office.

Working Hours: The standard working hours are typically 40 hours per week, with flexibility offered in terms of start and end times. This hybrid model allows for a blend of office and remote work, supporting efficient task management and personal commitments.

📝 Enhancement Note: The benefits package is comprehensive and employee-centric, indicating a company that values its workforce. The hybrid model and flexible hours are key for many professionals, especially those who need to balance personal responsibilities with demanding project work, a common aspect in operations support roles. The mention of "business trips" and associated insurance is a critical detail for roles that require on-site presence and international travel.

🎯 Team & Company Context

🏢 Company Culture

Industry: Primetals Technologies operates within the heavy industry sector, specifically focusing on plant engineering and the supply of equipment, automation, and services for the iron and steel industry, as well as rolling mills. This context implies a need for robust, reliable, and high-performance software solutions in mission-critical environments. Company Size: Primetals Technologies is a large global organization, part of the Mitsubishi Heavy Industries (MHI) group. Large company size typically means established processes, structured career paths, and significant resources for development and employee support. Founded: Primetals Technologies was formed in 2015 as a joint venture between Siemens and Mitsubishi-Hitachi Metals Machinery, and later fully acquired by Mitsubishi Heavy Industries. This history suggests a strong foundation in engineering excellence and technological innovation.

Team Structure:

• The UI Software Developer will likely be part of a larger software engineering or development department, potentially organized into project-specific teams or functional groups (e.g., front-end, back-end, embedded).
• Reporting structure will likely involve a Team Lead or a Development Manager, with close collaboration with project managers, system architects, and backend developers.
• Cross-functional collaboration is essential, working closely with mechanical engineers, automation specialists, and potentially customer representatives to understand and implement requirements for industrial systems.

Methodology:

• The development methodology is likely Agile or Scrum, given the focus on iterative development, collaboration, and flexibility.
• Data analysis and performance monitoring are crucial for industrial systems, so expect a focus on metrics related to system uptime, response times, and user efficiency.
• Workflow planning and optimization will be key, especially in ensuring smooth integration between UI and backend systems, and efficient deployment processes.
• Automation and efficiency practices, including CI/CD, are expected to be integral to the development lifecycle.

Company Website: https://careers.primetals.com/global/en

📝 Enhancement Note: Understanding Primetals Technologies' industry (heavy industry, steel, rolling mills) is crucial. This means the software developed needs to be exceptionally reliable and performant, as system failures can have significant, costly consequences. This operational context influences the coding standards, testing rigor, and the importance of robust documentation.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a "Mid-Level" UI Software Developer. In an operations context, this signifies a professional who can independently handle complex UI development tasks, contribute to architectural discussions, mentor junior developers, and effectively collaborate with cross-functional teams, including those involved in system deployment and support. The 3+ years of experience requirement aligns with this mid-level designation.

Reporting Structure: The UI Software Developer will likely report to a Team Lead or a Project Manager within the software development department. They will work closely with backend developers, system architects, and potentially product owners or business analysts to translate requirements into functional user interfaces. Collaboration will extend to testing, QA, and deployment teams.

Operations Impact: While primarily a development role, the UI developer's work has a direct impact on the operational efficiency and usability of industrial systems. A well-designed, intuitive user interface can significantly reduce training time, minimize user errors, and improve overall productivity for plant operators and maintenance personnel. The developer's contribution to system reliability and performance through clean code and efficient UI implementation is also critical for operational continuity.

Growth Opportunities:

• Technical Specialization: Deepen expertise in Blazor and .NET, or explore related front-end frameworks and technologies.
• Full-Stack Development: Expand skills into backend development (C++, SQL) as indicated in the "Nice to have" section, enabling a transition to full-stack roles.
• Project Leadership: Progress to a Senior Developer role, taking on more complex projects, leading feature development, and mentoring junior team members.
• Team Lead/Management: With experience, move into leadership positions, managing development teams, overseeing project execution, and contributing to strategic technical planning.
• Domain Expertise: Develop specialized knowledge in the steel and rolling mill industry, becoming a go-to expert for UI solutions in this specific sector.

📝 Enhancement Note: The growth opportunities are typical for software development roles but are framed with an "operations impact" perspective. For operations professionals, understanding how their technical contributions affect broader business operations (efficiency, error reduction, productivity) is key to career progression and demonstrating value.

🌐 Work Environment

Office Type: Primetals Technologies offers a hybrid working system, combining both office-based and remote work. This model aims to provide flexibility while fostering team collaboration and knowledge sharing. Office Location(s): The role is based in either Krakow or Rzeszów, Poland. These locations are significant industrial and technological hubs in Poland, offering access to talent and resources. Workspace Context:

• The hybrid model means developers will have dedicated equipment for remote work, ensuring productivity from home.
• Office days are likely designed for collaborative activities such as team meetings, brainstorming sessions, code reviews, and project planning, creating an environment conducive to innovation and problem-solving.
• The company provides amenities like a relax zone, game room, and soft drinks, suggesting an emphasis on employee well-being and a positive work culture.
• Access to parking and shower facilities (in Krakow) further supports the daily work experience. Work Schedule: Flexible working hours are offered, allowing employees to manage their schedules around core business hours and personal needs. This flexibility is beneficial for deep-focus work, critical for UI development and complex problem-solving.

📝 Enhancement Note: The hybrid model and flexible hours are significant advantages. For operations professionals, this flexibility can be crucial for managing tasks that require uninterrupted focus, such as process analysis or system design, while still allowing for essential team interactions. The provision of remote work equipment is a practical benefit that supports efficient operations from any location.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Likely a recruiter or HR call to assess basic qualifications, cultural fit, and interest in the role and company.
• Technical Interview(s): One or more interviews with development team members or leads. This will likely include:
  • Discussions about your experience with C#, .NET, and Blazor.
  • Technical questions covering front-end concepts, service-oriented architecture, and clean code principles.
  • Potentially a live coding exercise or a discussion of a small coding challenge.
  • A review of your portfolio, focusing on your contributions and technical approach.
• System/Project Discussion: A deeper dive into how you approach problem-solving, collaborate with teams, and understand the lifecycle of software development, especially in an industrial context.
• Final/HR Interview: May involve discussing career aspirations, cultural fit, and final confirmation of terms.

Portfolio Review Tips:

• Highlight Blazor Expertise: Clearly showcase projects where you've utilized Blazor, emphasizing interactive elements, data binding, and component reusability.
• Demonstrate Clean Code: For any code samples, ensure they reflect clean code principles, proper naming conventions, and structured organization. Use GitHub or similar platforms to present your code.
• Showcase Integration Experience: Include examples that illustrate your ability to integrate front-end components with backend services (REST, SignalR). Explain the architecture and your role in the integration process.
• Explain Your Process: Be ready to discuss your development workflow, how you approach debugging, your experience with CI/CD, and how you document your work.
• Quantify Impact: If possible, quantify the impact of your UI work, e.g., "improved user task completion time by X%," or "reduced error rate in data entry by Y%."

Challenge Preparation:

• Technical Coding: Practice common coding challenges related to C#, .NET, and JavaScript. Brush up on data structures and algorithms.
• Blazor Scenarios: Prepare for questions about Blazor component lifecycle, data binding, state management, and rendering modes (Server vs. WebAssembly).
• System Design: Think about how you would design a simple UI for an industrial monitoring system, considering user roles, data visualization, and real-time updates.
• Problem-Solving: Be ready to walk through a complex technical problem you've faced and how you solved it, emphasizing your thought process and the outcome.

📝 Enhancement Note: For a UI developer role with industrial applications, preparation should focus not just on coding skills but also on how those skills translate into reliable and efficient operational tools. Demonstrating an understanding of system integration, documentation, and problem-solving in a real-world context will be key.

🛠 Tools & Technology Stack

Primary Tools:

• UI Framework: Blazor (required)
• Languages: C# (required), .NET (6+, ideally 8+), HTML5, CSS3, JavaScript, TypeScript
• Backend Communication: RESTful APIs, SignalR, WebSockets (experience required)
• Development Environment: Visual Studio (standard for .NET development)
• Version Control: Git (standard for source code management)
• Clean Code Principles: Applied across all coding activities.

Analytics & Reporting:

• While not explicitly stated for the UI role, understanding how to integrate with monitoring and analytics tools or how to build UIs that facilitate data visualization and reporting is beneficial. This could involve knowledge of charting libraries or data binding to reporting services.

CRM & Automation:

• Not directly applicable to this UI development role, but awareness of how the UI interacts with backend systems that might integrate with CRM or other business automation tools is a plus. Understanding CI/CD tools (e.g., Azure DevOps, Jenkins, GitHub Actions) is important for deployment automation.

📝 Enhancement Note: The emphasis on Blazor, C#/.NET, and real-time communication protocols like SignalR is critical. For operations roles, understanding the underlying technologies that drive system performance and data flow is essential for troubleshooting and optimization. Familiarity with CI/CD tools is a direct link to operational efficiency in software deployment.

👥 Team Culture & Values

Operations Values:

• Excellence in Execution: A commitment to delivering high-quality, reliable software that functions flawlessly in demanding industrial environments.
• Continuous Improvement: A proactive approach to identifying and implementing enhancements in code quality, development processes, and user interface design.
• Collaboration and Communication: Fostering an environment where open communication, knowledge sharing, and teamwork are paramount for success.
• Problem-Solving Orientation: A dedication to tackling complex challenges with analytical thinking and creative solutions, ensuring operational continuity and efficiency.
• Adaptability: Willingness to adapt to new technologies, project requirements, and on-site commissioning needs in diverse industrial settings.

Collaboration Style:

• The team likely operates with a collaborative spirit, encouraging peer reviews, pair programming, and open discussions on technical challenges and solutions.
• Expect cross-functional collaboration with backend developers, system architects, project managers, and potentially end-users or on-site engineers to ensure the UI meets all functional and operational requirements.
• A culture of feedback exchange and continuous learning is expected, supporting professional growth and team development.

📝 Enhancement Note: The values and collaboration style described are typical for high-performing engineering teams, particularly those in industries where reliability and efficiency are critical. For operations professionals, understanding and aligning with these values is crucial for successful integration and contribution.

⚡ Challenges & Growth Opportunities

Challenges:

• Complexity of Industrial Systems: Developing UIs for industrial environments requires handling complex data streams, real-time updates, and potentially specialized control logic, demanding robust and efficient code.
• Balancing UI/UX with System Requirements: Ensuring the user interface is not only aesthetically pleasing and intuitive but also strictly adheres to the functional and performance requirements of industrial systems.
• Cross-functional Collaboration: Effectively communicating technical requirements and solutions between UI development, backend systems, and on-site operational teams.
• On-site Commissioning: Adapting to different industrial sites, troubleshooting live system issues, and ensuring successful deployment in potentially challenging environments.

Learning & Development Opportunities:

• Advanced Blazor & .NET: Opportunities to deepen expertise in the latest features and best practices of the .NET ecosystem.
• Full-Stack Development: Potential to gain experience in backend technologies such as C++ and SQL, broadening your technical skill set.
• Industrial Domain Knowledge: Acquiring specialized knowledge of the steel and rolling mill industry, understanding operational processes and challenges.
• Agile Methodologies: Further developing skills in Agile development practices, project management, and team collaboration.
• Mentorship and Leadership: Opportunities to grow into senior technical roles, mentor junior developers, and potentially lead project teams.

📝 Enhancement Note: The challenges presented are common in industrial software development and require a strong operational mindset – focus on reliability, efficiency, and problem-solving in dynamic environments. The growth opportunities emphasize continuous learning and skill diversification, which are vital for career advancement in any operations-adjacent field.

💡 Interview Preparation

Strategy Questions:

• UI Design for Industrial Systems: "How would you approach designing a user interface for a critical industrial process control system, considering factors like real-time data visualization, alarm management, and user error prevention?" Focus on modularity, clarity, and responsiveness.
• Blazor vs. Other Frameworks: "When would you choose Blazor for a project, and what are its limitations compared to other front-end frameworks? How do you ensure performance in Blazor applications?" Be ready to discuss Blazor's architecture (Server vs. WebAssembly) and your experience with optimization techniques.
• Collaboration with Backend/Operations: "Describe a time you had to collaborate closely with backend developers or operations teams to integrate a UI feature. What were the challenges, and how did you ensure successful integration and deployment?" Emphasize communication, documentation, and problem-solving.

Company & Culture Questions:

• Primetals Technologies Context: "What interests you about Primetals Technologies and the industrial automation sector? How do you see your skills contributing to our mission?" Research the company's projects and values.
• Hybrid Work Environment: "How do you maintain productivity and collaboration in a hybrid work setting? What are your strategies for effective communication with remote and on-site team members?"
• Handling Technical Debt: "How do you approach managing technical debt or refactoring legacy code within a project, especially in an industrial context where stability is paramount?"

Portfolio Presentation Strategy:

• Structure Your Projects: For each project in your portfolio, clearly state the problem, your role, the technologies used, your specific contributions, and the outcome or impact.
• Showcase Blazor Code: Be prepared to walk through snippets of your Blazor code, explaining your design choices, component structure, and any custom logic.
• Demonstrate Process: Explain your development workflow, how you handle version control, testing, and documentation. If you have examples of CI/CD integration, highlight them.
• Quantify Achievements: Where possible, use metrics to demonstrate the success of your work, e.g., performance improvements, reduction in bugs, or enhanced user experience.
• Be Ready for Live Coding: Practice solving common coding problems and be prepared to explain your thought process aloud as you code.

📝 Enhancement Note: Interview preparation for this role should emphasize not just technical proficiency but also the ability to apply those skills in a practical, industrial context. Demonstrating an understanding of system integration, operational efficiency, and collaborative problem-solving will be key to impressing the hiring team.

📌 Application Steps

To apply for this operations-aligned UI Software Developer position:

• Submit your application through the provided link on the Primetals Technologies careers page.
• Prepare Your Resume: Tailor your resume to highlight your experience with C#, .NET, and Blazor, specifically mentioning any projects involving industrial systems or complex UIs. Quantify achievements where possible.
• Curate Your Portfolio: Select 2-3 strong projects that best showcase your Blazor development skills, clean code practices, and integration experience. Ensure your portfolio is easily accessible (e.g., via GitHub, personal website).
• Practice Technical Questions: Review common interview questions related to C#, .NET, Blazor, HTML, CSS, JavaScript, REST APIs, SignalR, and software design principles. Prepare to discuss your experience with CI/CD and clean code.
• Research the Company: Familiarize yourself with Primetals Technologies, its industry, and its values to articulate your interest and cultural fit during the interview. Understand the importance of reliability and performance in industrial software.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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