UI Software Developer (Blazor)

📍 Job Overview

Job Title: UI Software Developer (Blazor)
Company: Mitsubishi Heavy Industries, Ltd.
Location: Krakow, Poland
Job Type: Full-Time
Category: Software Development / Engineering Operations
Date Posted: September 15, 2025
Experience Level: Mid-Level (3+ years)
Remote Status: Hybrid

🚀 Role Summary

• This role focuses on the critical intersection of user interface development and industrial systems, requiring a strong command of modern web technologies for building intuitive user experiences.
• The position emphasizes a structured approach to development strategy and standardization, ensuring consistency and maintainability across software products.
• Collaboration with backend development teams is a key aspect, necessitating effective communication and integration of front-end and back-end components.
• Responsibilities extend to the practical application of software, including commissioning systems in real industrial environments, demanding attention to detail and robust testing.

📝 Enhancement Note: While the job title is "UI Software Developer," the context of "industrial systems" and "commissioning in real industrial environments" indicates a role that bridges traditional UI development with operational technology (OT) or industrial automation software. This implies a need for understanding the operational context and ensuring the UI directly supports industrial processes and user workflows within those environments. The focus on Blazor suggests a modern, component-based approach to building these interfaces.

📈 Primary Responsibilities

• Design and implement sophisticated web user interfaces specifically tailored for industrial systems, ensuring usability and efficiency in operational contexts.
• Develop and maintain a consistent development strategy, establishing and adhering to coding guidelines and best practices for UI development.
• Collaborate closely with backend developers to ensure seamless integration of front-end components with server-side logic and data sources.
• Prepare comprehensive technical documentation for UI components, system architecture, and user guides, facilitating knowledge transfer and system maintenance.
• Conduct commissioning of developed systems in actual industrial environments, validating functionality, performance, and user experience under real-world conditions.
• Contribute to the standardization of development processes and tools within the UI development team, promoting efficiency and quality.
• Troubleshoot and resolve UI-related issues encountered during development or in production environments, ensuring system stability and user satisfaction.

📝 Enhancement Note: The mention of "commissioning of systems in real industrial environments" suggests that this role may involve on-site work or travel to customer locations for system deployment and validation. This is crucial for operations-minded candidates to understand, as it implies a need for practical, hands-on experience beyond pure software development, touching on system integration and field operations support.

🎓 Skills & Qualifications

Education:

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

Experience:

• Minimum of 3 years of professional programming experience, specifically for a Mid-level position.
• Proven experience in designing and implementing web user interfaces.
• Experience with service-oriented architecture (SOA) principles and technologies such as REST, SignalR, and WebSockets.
• Demonstrable understanding and application of clean code principles and software design patterns.
• Good understanding of Continuous Integration/Continuous Deployment (CI/CD) concepts and relevant tools.
• Experience in web application development is highly desirable.
• UX and design experience is a plus.

Required Skills:

• Strong proficiency in C# with .NET (version 6+ required, .NET 8+ preferred).
• Expert knowledge of Blazor for front-end development.
• Solid understanding of HTML5, CSS3, JavaScript, and TypeScript.
• Analytical thinking and creative problem-solving abilities.
• Ability to work effectively within an international team environment.
• Good command of the English language (B2+ proficiency).
• Availability for business trips, estimated between 5-20% of the time.

Preferred Skills:

• Knowledge of backend development technologies, particularly C++ and SQL.
• Familiarity with other programming languages.
• German language proficiency is a significant advantage.

📝 Enhancement Note: The requirement for .NET 6+ with a preference for .NET 8+ highlights the need for candidates to be proficient with the latest advancements in the .NET ecosystem, particularly for web development. The emphasis on Blazor is a key differentiator, indicating a preference for developers experienced with Razor Components and the component-based architecture it promotes, which is becoming increasingly popular for enterprise web applications.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase projects demonstrating proficiency in UI development using Blazor, highlighting component-based architecture and state management.
• Include examples of applications that interact with backend services via REST APIs, SignalR, or WebSockets, illustrating experience with service-oriented architectures.
• Present case studies that detail the process of designing and implementing user interfaces for complex systems, ideally with examples related to industrial or enterprise software.
• Demonstrate understanding of clean code principles and best practices through code samples or project descriptions, emphasizing maintainability and scalability.
• Provide evidence of experience with version control systems (e.g., Git) and understanding of CI/CD pipelines in project workflows.

Process Documentation:

• Candidates are expected to have experience in creating technical documentation for software components, development processes, and user interfaces.
• Familiarity with documenting development strategies, standardization guidelines, and collaboration protocols with backend teams is beneficial.
• Examples of process improvement initiatives or contributions to development workflow standardization are valued.

📝 Enhancement Note: For a UI Software Developer role, especially in an industrial context, the portfolio should emphasize not just the visual appeal of the UI but also its functional robustness, performance under load, and how it supports operational workflows. Demonstrating an understanding of how the UI integrates with broader system processes and data flows will be crucial.

💵 Compensation & Benefits

Salary Range:

• For a Mid-level UI Software Developer with 3+ years of experience in Krakow, Poland, the estimated annual gross salary range is typically between 100,000 PLN and 160,000 PLN. This range can vary based on specific experience, the depth of Blazor expertise, and the candidate's negotiation skills.

Benefits:

• Private Medical Care: Comprehensive healthcare coverage for employees.
• Life Insurance Policy: Financial protection for employees' beneficiaries.
• Sport Packages: Subsidies or access to sports facilities and activities to promote employee well-being.
• AMEX Credit Card: Likely for business expenses and convenience during travel.
• Integration Meetings: Opportunities for team building and social interaction.
• Extra Days Off Around Public Holidays: Additional paid time off to enhance work-life balance.
• Relax Zone, Game Room, Soft Drinks in the Office: On-site amenities to foster a comfortable and engaging work environment.
• Parking Spots: Convenient parking facilities for employees commuting by car.
• Shower: On-site shower facilities, possibly for cyclists or those using the gym.

Working Hours:

• The standard working hours are likely 40 hours per week, with flexible working hours offered, allowing employees to adjust their start and end times within certain parameters. This flexibility is beneficial for managing personal commitments and optimizing productivity.

📝 Enhancement Note: The compensation estimate is based on industry benchmarks for software developers in Krakow, Poland, considering the specified experience level and technology stack. The benefits package is comprehensive and typical for a large, international corporation, with a strong emphasis on employee well-being and work-life balance. The inclusion of an AMEX credit card and shower facilities suggests a company culture that supports business travel and employee comfort.

🎯 Team & Company Context

🏢 Company Culture

Industry: Mitsubishi Heavy Industries, Ltd. operates within the heavy industry sector, encompassing a broad range of businesses including energy, defense, aerospace, and industrial machinery. This specific role appears to be within their Primetals Technologies division, which focuses on plant engineering and services for the metals industry. Company Size: Mitsubishi Heavy Industries is a global conglomerate with a very large employee base, indicating a stable, established corporate environment with significant resources and established processes. Founded: Mitsubishi Heavy Industries was founded in 1870, signifying a long history of industrial innovation and a deep-rooted corporate culture.

Team Structure:

• The UI development team is likely part of a larger software engineering or product development department within Primetals Technologies.
• Team members will include UI developers, backend developers, potentially QA engineers, and project managers.
• Reporting structure will likely involve a team lead or engineering manager, with potential collaboration across different product lines or project teams.
• Cross-functional collaboration is expected with backend developers, system architects, product managers, and potentially field engineers or commissioning specialists.

Methodology:

• The team likely follows Agile methodologies (e.g., Scrum or Kanban) for software development, emphasizing iterative development, collaboration, and rapid response to feedback.
• Data analysis will be crucial for understanding user behavior and system performance, informing UI design and optimization.
• Workflow planning will focus on efficient development cycles, task management, and integration with backend systems.
• Automation practices will be applied through CI/CD pipelines and potentially automated testing for UI components.

Company Website: https://mhicareers.com/ (specifically the Primetals Technologies careers portal)

📝 Enhancement Note: The company's heritage in heavy industry, coupled with its focus on technology solutions for the metals sector, suggests an environment that values precision, reliability, and long-term solutions. The international scope of projects means candidates should be comfortable working in a multicultural setting and potentially adapting to diverse client requirements.

📈 Career & Growth Analysis

Operations Career Level: This position is designated as a "Mid" level, implying a need for independent contribution and the ability to handle moderate complexity tasks. It sits between junior and senior roles, offering opportunities to deepen expertise in Blazor and industrial UI development. Reporting Structure: The UI Software Developer will likely report to a Team Lead or Engineering Manager responsible for the software development lifecycle of specific industrial systems or product modules. Collaboration with backend developers and other cross-functional teams is a key aspect of the day-to-day working relationships. Operations Impact: The UI Developer's work directly influences the usability and efficiency of industrial control systems. A well-designed interface can lead to improved operational performance, reduced errors, faster troubleshooting, and enhanced user productivity in demanding industrial environments. Their contributions are vital for delivering effective and user-friendly solutions to clients in the metals industry.

Growth Opportunities:

• Technical Specialization: Deepen expertise in Blazor, .NET, and related front-end technologies, potentially becoming a subject matter expert for UI development within the company.
• Cross-functional Skill Development: Gain exposure to backend development (C++, SQL), DevOps practices (CI/CD), and potentially UX/UI design principles, broadening technical capabilities.
• Project Leadership: Progress to a Senior UI Developer role, taking on more complex features, mentoring junior developers, and contributing to architectural decisions.
• Domain Expertise: Develop a deeper understanding of the metals industry and industrial automation, enabling more effective UI design that addresses specific operational needs.
• International Project Involvement: Lead UI development efforts on global projects, working with diverse teams and clients.

📝 Enhancement Note: The "Mid" level designation indicates that candidates are expected to be largely self-sufficient in their primary responsibilities but will still benefit from guidance and mentorship. The growth opportunities suggest a clear career path for those who excel, moving towards senior technical roles or leadership positions within engineering teams.

🌐 Work Environment

Office Type: The company offers a hybrid working system, allowing for a blend of remote work and office-based collaboration. This suggests a modern work environment that balances flexibility with the need for in-person interaction. Office Location(s): The role is open to candidates in Krakow or Rzeszów, Poland. Specific office details for these locations would typically include modern facilities equipped for collaborative work and individual focus.

Workspace Context:

• The hybrid model implies employees will have dedicated spaces for focused work, whether at home or in the office.
• The office environment is likely designed to foster collaboration, with meeting rooms, breakout areas, and potentially open-plan desk arrangements.
• The provision of full equipment for remote work (laptop, large screen, office chair) indicates a commitment to enabling productive work from home.
• Access to amenities like a relax zone, game room, and soft drinks contributes to a positive and engaging workplace culture.

Work Schedule: Flexible working hours are offered, allowing employees to structure their workday around core business hours. This flexibility is beneficial for managing personal responsibilities and optimizing productivity, particularly in roles that require deep concentration.

📝 Enhancement Note: The hybrid model and flexible hours are significant benefits for operations professionals who may need to balance deep work periods with collaborative sessions. The provision of office equipment for remote work underscores the company's support for a productive hybrid environment.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of the CV and potentially a brief HR call to assess basic qualifications, experience alignment, and cultural fit.
• Technical Interview 1: Focus on core C#, .NET, and Blazor knowledge. Expect questions on component lifecycle, state management, data binding, and common Blazor patterns. Candidates may be asked to explain their approach to specific UI challenges.
• Technical Interview 2 / Coding Challenge: This may involve a live coding exercise or a take-home assignment focused on building a small Blazor component or feature, assessing practical coding skills, adherence to clean code principles, and problem-solving abilities.
• Portfolio Review: A dedicated session to discuss past projects, focusing on contributions, technical decisions, challenges faced, and outcomes. Candidates should be prepared to walk through their most relevant Blazor projects.
• Cross-functional/Team Fit Interview: Discussion with potential team members or a team lead to assess collaboration skills, communication style, and cultural alignment with the company's values and international team dynamics.
• Final Interview: Potentially with a hiring manager or senior stakeholder to discuss overall fit, career aspirations, and answer any remaining questions.

Portfolio Review Tips:

• Project Selection: Choose 2-3 projects that best showcase your Blazor development skills, UI design capabilities, and experience with industrial or complex systems.
• Focus on Blazor: Clearly articulate your role in Blazor development, highlighting specific features you implemented, architectural decisions you made, and challenges you overcame using Blazor's capabilities.
• Demonstrate Process: For each project, explain your development process, including requirements gathering, design considerations, implementation steps, testing, and any collaboration with backend teams.
• Highlight Impact: Quantify the impact of your work where possible (e.g., improved performance, reduced error rates, enhanced user satisfaction). Use metrics relevant to UI/UX performance if available.
• Code Quality: Be prepared to discuss your approach to clean code, code reviews, and maintainability, referencing specific examples from your projects.
• Technical Depth: Be ready to discuss architectural choices, state management strategies, data binding techniques, and how you handled asynchronous operations or real-time updates (e.g., SignalR).

Challenge Preparation:

• Blazor Fundamentals: Brush up on the core concepts of Blazor Server and Blazor WebAssembly, including component lifecycle, routing, dependency injection, and data binding.
• C#/.NET: Ensure a strong grasp of C# language features, asynchronous programming, LINQ, and .NET Core/5+ best practices.
• Web Technologies: Review HTML5, CSS3 (including preprocessors if used), JavaScript/TypeScript, and modern front-end development patterns.
• Problem-Solving: Practice solving common coding problems, focusing on efficiency, readability, and correctness in the context of web development.
• System Design: Be prepared for questions that might touch on designing simple UI components or workflows, considering user experience and integration with backend services.

📝 Enhancement Note: The interview process is typical for a software development role, with a strong emphasis on technical skills and practical application. The portfolio review is a critical component, so candidates should prepare thoroughly to articulate their experience and demonstrate their capabilities with Blazor and related technologies.

🛠 Tools & Technology Stack

Primary Tools:

• Development Language: C#
• Framework: .NET 6+ (preferred .NET 8+), Blazor (Server and/or WebAssembly)
• Web Technologies: HTML5, CSS3, JavaScript, TypeScript
• Architecture: Service-Oriented Architecture (SOA), RESTful APIs, SignalR, WebSockets
• Version Control: Git (implied standard practice)
• CI/CD: Familiarity with CI/CD concepts and tools (e.g., Azure DevOps, GitHub Actions, Jenkins)

Analytics & Reporting:

• While not explicitly stated, experience with browser developer tools for performance analysis and debugging is essential.
• Familiarity with any internal or external analytics platforms used for tracking UI performance or user interaction would be beneficial.

CRM & Automation:

• Experience with CRM systems is not directly mentioned for this UI role, but understanding how the UI interacts with backend CRM data or workflow automation tools could be advantageous.
• Familiarity with project management tools (e.g., Jira, Azure DevOps Boards) is likely expected for task tracking and workflow management.

📝 Enhancement Note: The core technology stack revolves around the Microsoft ecosystem, with a strong emphasis on Blazor for front-end development. Proficiency in C# and .NET is foundational. Experience with real-time communication protocols like SignalR and WebSockets is important given the industrial systems context.

👥 Team Culture & Values

Operations Values:

• Collaboration: A strong emphasis on working effectively with backend developers and other team members in an international setting.
• Quality & Reliability: As part of an industrial technology company, there's a high expectation for robust, reliable, and well-documented software that performs consistently in demanding environments.
• Innovation & Continuous Improvement: Encouragement to adopt modern technologies like Blazor and apply clean code principles to enhance software quality and development efficiency.
• Customer Focus: Understanding that the UI directly impacts the end-users in industrial settings, driving a commitment to user experience and operational efficiency.
• Professionalism: Maintaining high standards in work ethic, communication, and technical execution.

Collaboration Style:

• Cross-functional Integration: Actively engaging with backend teams to ensure seamless API integrations and data flow.
• Agile Practices: Participating in team ceremonies (stand-ups, sprint planning, reviews, retrospectives) to foster transparency and iterative progress.
• Knowledge Sharing: Willingness to share expertise, provide feedback on code, and learn from colleagues, particularly in an international team setting.
• Proactive Communication: Keeping stakeholders informed about progress, challenges, and potential impacts on project timelines or deliverables.

📝 Enhancement Note: The company's engineering-focused background suggests a culture that values technical excellence, problem-solving, and a results-oriented approach. The international aspect implies a need for cultural sensitivity and adaptable communication styles.

⚡ Challenges & Growth Opportunities

Challenges:

• Bridging UI and Industrial Systems: Effectively translating complex industrial processes and requirements into intuitive and user-friendly interfaces.
• Cross-technology Integration: Ensuring seamless communication and data synchronization between Blazor front-ends and diverse backend systems, potentially including legacy components.
• Real-time Data Handling: Managing and displaying real-time data streams from industrial equipment efficiently and accurately within the UI.
• Global Project Coordination: Collaborating with teams and clients across different time zones and cultural backgrounds.
• Keeping Pace with Technology: Staying current with the rapid evolution of Blazor, .NET, and related front-end technologies.

Learning & Development Opportunities:

• Advanced Blazor Training: Opportunities to deepen expertise in Blazor's advanced features, performance optimization, and architectural patterns.
• .NET Ecosystem Mastery: Expanding knowledge across the broader .NET ecosystem, including backend development, data access, and cloud services.
• Industrial Automation Domain Knowledge: Gaining insights into the specific processes and challenges of the metals industry and other heavy industries served by Primetals Technologies.
• CI/CD and DevOps Practices: Developing skills in automating build, test, and deployment pipelines for web applications.
• UX/UI Design Principles: Formal or informal learning opportunities to enhance understanding of user experience design, accessibility, and visual design principles.

📝 Enhancement Note: The challenges presented are typical for roles at the intersection of software development and specialized industries. The growth opportunities highlight a commitment to employee development, offering paths to become a highly skilled specialist in both technology and domain knowledge.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex industrial system where a well-designed UI was crucial for operational efficiency. What were the key UI challenges, and how did you address them using Blazor?" (Focus on process, problem-solving, and impact)
• "How do you ensure consistency and maintainability in a web UI across different modules or projects, especially when collaborating with backend developers?" (Focus on strategy, standardization, and collaboration)
• "Walk me through your process for debugging a UI issue that involves interaction with a backend API. What tools and techniques do you use?" (Focus on problem-solving methodology and technical skills)

Company & Culture Questions:

• "What interests you about working for Mitsubishi Heavy Industries and specifically within the Primetals Technologies division?" (Research the company's mission, values, and recent projects in the metals industry.)
• "How do you approach working in an international team environment with members from diverse backgrounds and potentially different communication styles?" (Highlight adaptability, cross-cultural awareness, and proactive communication.)
• "How do you measure the success of a UI component or feature in an industrial application?" (Focus on metrics like usability, performance, error rates, and contribution to operational goals.)

Portfolio Presentation Strategy:

• Structure: Organize your portfolio presentation logically, perhaps by project or by skill. For each project, cover: problem statement, your role, technical approach (especially Blazor specifics), challenges, solutions, and outcomes.
• Visuals: Use screenshots, diagrams, or even short video demos of your Blazor applications to visually demonstrate your work. Highlight key UI elements and interactions.
• Technical Deep Dive: Be prepared to discuss specific Blazor implementation details, such as component lifecycle management, state management strategies (e.g., cascading parameters, event callbacks), data binding, and optimization techniques.
• Process Focus: Emphasize your development process, including how you collaborated with backend teams, handled requirements, and ensured code quality.
• Showcase Blazor: Clearly articulate why Blazor was a suitable choice for the project and how you leveraged its features to meet requirements.

📝 Enhancement Note: Candidates should prepare concrete examples that demonstrate their technical proficiency, problem-solving abilities, and understanding of the operational context of industrial software. Highlighting collaboration and communication skills is equally important for success in an international team.

📌 Application Steps

To apply for this UI Software Developer (Blazor) position:

• Submit your application through the provided application link on the Mitsubishi Heavy Industries careers portal.
• Tailor Your Resume: Customize your resume to prominently feature your experience with C#, .NET, and specifically Blazor. Quantify your achievements and highlight projects that align with UI development for complex systems or industrial applications.
• Prepare Your Portfolio: Curate a portfolio that showcases your strongest Blazor projects. Ensure it includes clear descriptions of your role, the technologies used, and the outcomes achieved. Be ready to discuss specific technical challenges and solutions.
• Research the Company: Familiarize yourself with Mitsubishi Heavy Industries and Primetals Technologies, understanding their mission, values, and the types of industrial solutions they provide. This will help tailor your responses during interviews.
• Practice Technical Questions: Review common Blazor, C#, and .NET interview questions. Be prepared to answer questions about component lifecycles, state management, data binding, and clean code principles. Practice coding exercises if a technical assessment is expected.

⚠️ 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.