UI Programmer, Crusader Kings 3

Paradox Interactive
Full-timeβ€’Stockholm, Sweden

πŸ“ Job Overview

Job Title: UI Programmer, Crusader Kings 3

Company: Paradox Interactive

Location: Stockholm, Sweden

Job Type: Full-time

Category: Game Development - UI/UX Programming

Date Posted: May 27, 2026

Experience Level: Mid-Level (2-5 years)

Remote Status: On-site

πŸš€ Role Summary

  • Design, implement, and maintain user interfaces for Crusader Kings III, focusing on clarity and player accessibility within a complex game system.

  • Act as a technical bridge between UX design concepts and functional game interfaces, utilizing both C++ and an in-house UI scripting language.

  • Collaborate closely with a multidisciplinary team of designers, artists, and programmers throughout the entire feature development lifecycle.

  • Contribute to the ongoing improvement of UI development practices, including style guides, design patterns, and shared components.

πŸ“ Enhancement Note: This role is a specialized UI programming position within game development, specifically for a complex grand strategy title. The emphasis is on translating design and art into functional, user-friendly interfaces, requiring a blend of technical programming skills and a strong understanding of UX principles. The "Mid-Level" designation suggests a need for demonstrated professional experience beyond entry-level.

πŸ“ˆ Primary Responsibilities

  • Design and implement a wide range of user interfaces, including text displays, Heads-Up Displays (HUDs), menus, and in-game elements, from initial concept through to final release.

  • Utilize the proprietary in-house UI scripting language to construct interfaces that accurately reflect design intent and seamlessly connect with the game's Application Programming Interface (API).

  • Develop and implement game-side data models that efficiently feed information to the UI layer, ensuring dynamic and responsive interface behavior.

  • Debug, optimize, and maintain UI systems to guarantee a stable, performant product across all supported gaming platforms.

  • Engage in close collaboration with UX designers, UI artists, gameplay programmers, audio engineers, and quality assurance testers throughout the full feature development cycle.

  • Actively participate in project estimations, task breakdowns, code reviews, and team retrospectives to foster continuous improvement.

  • Contribute to the development and maintenance of the project's UI style guide, established design patterns, and reusable shared components, while also mentoring teammates on UI scripting.

  • Be prepared to undertake non-UI programming tasks as required by project needs, demonstrating flexibility and commitment to team goals.

πŸ“ Enhancement Note: The responsibilities highlight a hands-on engineering role with significant cross-functional interaction. The expectation to "take on non-UI tasks" indicates a team-oriented culture where adaptability and a broad understanding of the game development process are valued. The emphasis on style guides and shared components points towards a need for someone who can contribute to robust, scalable UI architecture.

πŸŽ“ Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's degree in Computer Science, Game Development, or a related field is often preferred for roles requiring strong programming fundamentals. Equivalent professional experience will also be considered.

Experience: Minimum of 2-5 years of professional experience in game development, specifically in UI programming, gameplay programming with a UI focus, or a comparable role.

Required Skills:

  • Demonstrated professional experience as a UI programmer, gameplay programmer with a UI focus, or a similar role within the game development industry.

  • Proven ability to quickly learn and become proficient in new scripting languages, with a particular emphasis on domain-specific UI scripting languages.

  • Excellent written and verbal communication skills in English, essential for effective collaboration within a global team.

  • A strong passion for creating accessible and intuitive interfaces for a broad player base, understanding the importance of user experience in game design.

Preferred Skills:

  • Experience working with C++ in a game development context, understanding its application in core game systems.

  • Strong knowledge of established UI design patterns and best practices for game interfaces.

  • Experience with UI performance profiling and optimization techniques to ensure smooth gameplay.

  • Familiarity with Paradox Development Studio games, particularly Crusader Kings III, either as a player or a modder, demonstrating an understanding of the game's unique UI challenges.

  • An interest in history, especially the medieval period, which can provide deeper context for game design and UI elements.

πŸ“ Enhancement Note: The "required" skills emphasize adaptability and core programming aptitude, suggesting that while experience with their specific tools is a plus, the ability to learn is paramount. The "nice to have" section clearly indicates a preference for candidates with direct experience in game development, C++, and an understanding of Paradox titles, which can significantly shorten the onboarding process and increase immediate contribution.

πŸ“Š Process & Systems Portfolio Requirements

Portfolio Essentials:

  • UI Implementation Samples: Showcase examples of implemented user interfaces, demonstrating proficiency in translating design mockups into functional game elements. This could include menus, HUDs, complex data displays, or interactive in-game systems.

  • Scripting Language Examples: Provide code samples or project demonstrations that highlight your ability to work with scripting languages, ideally illustrating how you've implemented logic and interactivity within interfaces.

  • Problem-Solving Case Studies: Include a case study detailing a challenging UI problem you encountered, your approach to solving it, the implemented solution, and the resulting impact on the player experience or game performance.

  • Collaboration Demonstrations: If possible, showcase projects where you collaborated closely with designers and artists, illustrating your ability to integrate feedback and work effectively within a multidisciplinary team.

Process Documentation:

  • Workflow Design: Examples of how you've approached the design and implementation of new UI features, detailing your thought process from concept to execution.

  • Optimization Efforts: Documentation of performance improvements made to UI elements, including profiling data and the methods used to achieve better frame rates or reduced load times.

  • API Integration: Demonstrations of how you've connected UI components to game data and logic, illustrating your understanding of game APIs and data modeling for UI.

πŸ“ Enhancement Note: For a UI Programmer role, a portfolio is crucial. It should not only showcase technical skill but also the ability to translate design intent into user-friendly interfaces. Emphasis should be placed on demonstrating problem-solving within the context of game UI development and highlighting collaborative efforts. The expectation is to see tangible examples of implemented interfaces and the thought process behind them.

πŸ’΅ Compensation & Benefits

Salary Range: Based on industry standards for a Mid-Level UI Programmer in Stockholm, Sweden, with 2-5 years of experience, the estimated annual salary range is approximately SEK 500,000 - SEK 700,000. This range can vary based on the candidate's specific experience, skill set, and performance during the interview process.

Benefits:

  • 30 days of paid vacation per year, providing ample opportunity for rest and rejuvenation.

  • Competitive pension plan contributions to support long-term financial security.

  • Comprehensive health insurance coverage, ensuring access to quality medical care.

  • Opportunities for professional development, including training, conferences, and access to learning resources.

  • Employee assistance programs offering support for well-being and personal challenges.

  • Potential for performance-based bonuses or profit-sharing schemes.

  • Access to company-provided equipment and software.

Working Hours: The standard working hours are approximately 40 hours per week, with potential for some flexibility. The role is listed as fully on-site with flexibility, suggesting a structured work week with the ability to adjust start/end times where feasible, provided project deadlines and team collaboration needs are met.

πŸ“ Enhancement Note: The salary range is an estimate based on typical compensation for experienced UI programmers in Stockholm's tech and gaming sector. Benefits are typical for a company of Paradox Interactive's size and industry standing, focusing on employee well-being and professional growth. The "fully onsite with flexibility" indicates a preference for in-office presence for collaboration, but with some acknowledgment of work-life balance needs.

🎯 Team & Company Context

🏒 Company Culture

Industry: Video Game Development, focusing on strategy and simulation games. Paradox Interactive is a recognized leader in the grand strategy genre, known for deep, complex, and long-lasting game experiences.

Company Size: Paradox Interactive is a significant player in the gaming industry, with a company size that indicates a well-established organization with multiple development studios and a substantial employee base (likely in the hundreds to over a thousand globally). This means established processes and a structured environment, but also opportunities for impact.

Founded: Paradox Interactive was founded in 1997. This long history suggests a stable company with a deep understanding of the gaming market and a proven track record of success, fostering a culture that values longevity and iterative development.

Team Structure:

  • The UX Design discipline on Crusader Kings III is likely a specialized, dedicated group focused on player experience.

  • Reporting to the Managing Design Lead, offering a clear hierarchy and direction.

  • Close day-to-day collaboration with UX Designers and UI Artists, forming the core of the UI development partnership.

Methodology:

  • Iterative Design & Development: Given the nature of game development and Paradox's titles, expect a process heavily reliant on iteration, feedback loops, and continuous refinement of features.

  • Data-Informed Decisions: While not explicitly stated for UI, the complexity of Paradox games suggests that UI design and implementation will likely be informed by player data, playtesting feedback, and analytical insights where applicable.

  • Agile/Scrum Practices: Common in game development, this role will likely involve participation in sprints, stand-ups, code reviews, and retrospectives to manage workflow and ensure efficient progress.

Company Website: https://career.paradoxplaza.com

πŸ“ Enhancement Note: Paradox Interactive's reputation for deep strategy games implies a culture that values complexity, detail, and long-term player engagement. The UI Programmer role is positioned as integral to making these complex systems accessible, suggesting a culture that appreciates both technical excellence and user-centric design. The company's size and history point to a professional environment with established career paths.

πŸ“ˆ Career & Growth Analysis

Operations Career Level: This position is classified as Mid-Level (2-5 years of experience), indicating a role where the individual is expected to be a competent individual contributor, capable of independently handling significant UI development tasks and contributing to design discussions. They are beyond entry-level but not yet a senior or lead developer.

Reporting Structure: The UI Programmer will report to the Managing Design Lead within the UX Design discipline. This structure suggests that design vision and direction will come from leadership, with the programmer responsible for the technical realization of those visions. Close collaboration with peers (UX designers, UI artists, gameplay programmers) will be a key aspect of the day-to-day work.

Operations Impact: The UI Programmer's impact is direct and critical to player engagement and game accessibility. By translating complex game systems into intuitive interfaces, they directly influence how players interact with and understand the game's deep mechanics. A well-designed UI can make a complex game approachable and enjoyable, while a poor one can alienate players. This role directly contributes to the player's perception of game quality and depth.

Growth Opportunities:

  • Specialization Advancement: Deepen expertise in UI programming, C++, and proprietary scripting languages, potentially becoming a go-to expert for complex UI challenges within the studio.

  • Cross-Disciplinary Skill Development: Gain deeper insights into UX design principles, game design mechanics, and the technical considerations of other programming disciplines through close collaboration.

  • Leadership Potential: With proven performance and mentorship capabilities, there could be opportunities to move into a Senior UI Programmer role, mentor junior developers, or contribute more significantly to architectural decisions and UI strategy.

  • Portfolio Expansion: Contribute to a highly successful and critically acclaimed game franchise, building a strong portfolio with a globally recognized title.

πŸ“ Enhancement Note: The growth path for a UI Programmer in game development often involves increasing technical specialization, a deeper understanding of game design, and potentially moving into lead or architectural roles. The direct impact on player experience is a significant motivator for many in this field.

🌐 Work Environment

Office Type: The role is based in Stockholm and is described as "fully onsite with flexibility." This suggests a modern office environment designed for creative and collaborative work, likely equipped with the necessary hardware, software, and amenities to support game development.

Office Location(s): The office is located at Magnus LadulΓ₯sgatan 4, Stockholm, 118 66, Sweden. This central location in Stockholm likely offers good accessibility via public transport and proximity to amenities.

Workspace Context:

  • Collaborative Spaces: The environment will likely feature open-plan areas for team interaction, alongside meeting rooms and private spaces for focused work and code reviews. The emphasis on collaboration means a dynamic and interactive workspace.

  • Development Tools: Access to high-end development workstations, industry-standard software (game engines, IDEs, art tools), and robust network infrastructure is expected.

  • Team Interaction: Frequent face-to-face interaction with UX designers, UI artists, and fellow programmers will be a daily occurrence, fostering a strong sense of team cohesion and shared purpose.

Work Schedule: The standard work week is approximately 40 hours, with the "flexibility" mentioned suggesting that while core hours might be expected for team collaboration, there may be some leeway in start and end times. This flexibility is crucial for developers who often need dedicated blocks of uninterrupted time for coding and debugging.

πŸ“ Enhancement Note: The "fully onsite with flexibility" model is common in game development, balancing the need for intensive, collaborative teamwork with the individual focus required for programming tasks. The Stockholm location suggests a vibrant tech hub environment.

πŸ“„ Application & Portfolio Review Process

Interview Process:

  • Initial Screening: A review of your CV and portfolio to assess your qualifications and relevant experience.

  • Technical Interview(s): Likely to include discussions on C++, UI scripting, game development principles, and problem-solving scenarios. You may be asked to walk through specific UI implementations from your portfolio.

  • Portfolio Review: A dedicated session where you present and discuss selected projects from your portfolio, explaining your role, design choices, technical implementation, and the outcomes.

  • Team/Cultural Fit Interview: Conversations with potential colleagues (UX Designers, Artists, Programmers, Design Lead) to assess collaboration style, communication skills, and alignment with Paradox Interactive's culture.

  • Potential Coding Challenge: A take-home or live coding exercise focusing on UI implementation or problem-solving relevant to game interfaces.

Portfolio Review Tips:

  • Curate Selectively: Showcase 3-5 of your strongest, most relevant projects. Prioritize quality over quantity.

  • Demonstrate Impact: For each project, clearly articulate the problem you solved, your specific contributions, the technologies used, and the positive impact on the user experience or game performance. Use metrics where possible.

  • Highlight Collaboration: If possible, show projects where you worked closely with designers and artists. Explain how you translated their vision into code and integrated their feedback.

  • Explain Your Process: Be ready to discuss your approach to UI implementation, debugging, and optimization. Explain your rationale behind technical decisions.

  • Showcase Scripting Proficiency: Include examples that clearly demonstrate your ability to work with scripting languages to create dynamic and interactive UI elements.

Challenge Preparation:

  • Review Core Concepts: Refresh your knowledge of C++, common UI design patterns, and fundamental game development principles.

  • Practice Problem-Solving: Be prepared for logic puzzles or small coding tasks that test your ability to think systematically and implement solutions efficiently.

  • Understand the Game: Familiarize yourself with Crusader Kings III's UI. Think about its strengths, weaknesses, and potential areas for improvement. This demonstrates genuine interest.

  • Articulate Your Thoughts: Practice explaining your thought process clearly and concisely, as this is as important as the solution itself.

πŸ“ Enhancement Note: The interview process for a game development role, especially in UI, will heavily scrutinize both technical proficiency and the ability to collaborate within a creative team. A strong, well-presented portfolio is paramount. The emphasis on "Crusader Kings III" suggests that candidates who demonstrate a genuine understanding and appreciation for the game will stand out.

πŸ›  Tools & Technology Stack

Primary Tools:

  • C++: The primary programming language for the game's core engine and systems. Proficiency is highly valued, especially in a game development context.

  • Proprietary UI Scripting Language: The core tool for building and manipulating the game's interfaces. Adaptability to learn and master this specific language is essential.

  • Game Engine: While not explicitly named, Paradox games typically use an in-house engine. Understanding engine architecture and how UI integrates is key.

  • Version Control Systems: Git is standard for source code management in game development.

Analytics & Reporting:

  • In-house Debugging Tools: Specific tools for diagnosing and fixing issues within the game engine and UI.

  • Performance Profilers: Tools to identify performance bottlenecks in UI rendering and logic.

  • Analytics Integration: Potentially interacting with systems that track player behavior and UI usage, though direct implementation might be less common for this role.

CRM & Automation:

  • Project Management Software: Tools like Jira or similar for task tracking, bug reporting, and sprint management.

  • Documentation Platforms: Confluence or internal wikis for maintaining style guides, design documents, and technical specifications.

πŸ“ Enhancement Note: Proficiency in C++ is a significant advantage, but the primary requirement is the ability to learn and master the company's specific UI scripting language. This highlights the company's investment in its proprietary tools and the need for adaptable programmers. Familiarity with standard game development workflows and tools is also expected.

πŸ‘₯ Team Culture & Values

Operations Values:

  • Player Focus: A strong commitment to creating the best possible player experience, ensuring interfaces are intuitive, engaging, and enhance gameplay.

  • Collaboration: Valuing teamwork, open communication, and mutual respect between designers, artists, programmers, and other disciplines.

  • Passion for Games: A shared enthusiasm for video games, particularly strategy and simulation genres, driving a desire to create high-quality, immersive experiences.

  • Iteration & Improvement: A culture that embraces iterative development, feedback, and continuous refinement to achieve excellence.

  • Ownership & Responsibility: Taking pride in one's work, delivering high-quality code, and being accountable for feature development and maintenance.

Collaboration Style:

  • Cross-Functional Integration: Expect a highly integrated approach where UI programmers work hand-in-hand with UX designers and UI artists from the initial concept phase through to implementation and post-launch updates.

  • Constructive Feedback: A culture where feedback is actively sought and given constructively, essential for refining complex systems and ensuring high-quality UIs.

  • Knowledge Sharing: Encouraging team members to share their expertise, mentor others, and contribute to a collective understanding of best practices in UI development.

πŸ“ Enhancement Note: Paradox Interactive's culture is likely shaped by its long history, its specific genre focus, and the collaborative nature of game development. A passion for their games and a team-oriented approach are key cultural indicators.

⚑ Challenges & Growth Opportunities

Challenges:

  • Complexity of Game Systems: Crusader Kings III is known for its deep and intricate systems. Translating this complexity into an understandable and usable interface is a significant challenge.

  • Proprietary Tooling: Adapting to and mastering a proprietary UI scripting language can be a learning curve, requiring dedicated effort.

  • Balancing Design and Performance: Ensuring that visually rich and data-heavy interfaces remain performant across various hardware configurations is a constant technical challenge.

  • Cross-Disciplinary Communication: Effectively bridging the gap between design intent, artistic vision, and technical implementation requires excellent communication and problem-solving skills.

Learning & Development Opportunities:

  • Deep Dive into UI/UX: Gain unparalleled experience in crafting complex UIs for a critically acclaimed grand strategy game.

  • Master Proprietary Technology: Become an expert in Paradox's in-house engine and UI scripting language, a valuable skill within the company.

  • Industry Exposure: Work on a project with a large, dedicated player base and contribute to a franchise with significant cultural impact in the gaming world.

  • Mentorship: Opportunities to learn from experienced designers, artists, and programmers, and potentially mentor junior team members as you grow.

πŸ“ Enhancement Note: The challenges are inherent to developing for complex simulation games, requiring a blend of technical skill and creative problem-solving. The growth opportunities are substantial, offering deep specialization and contributions to a high-profile project.

πŸ’‘ Interview Preparation

Strategy Questions:

  • "Describe a time you had to translate a complex design concept into a functional UI. What were the challenges, and how did you overcome them?" (Focus on process, problem-solving, and collaboration.)

  • "How do you approach debugging UI issues, especially those that are difficult to reproduce?" (Highlight systematic debugging methods and performance profiling.)

Company & Culture Questions:

  • "What interests you about Paradox Interactive and the Crusader Kings III franchise specifically?" (Show genuine passion and research into the company and game.)

  • "How do you collaborate with designers and artists to ensure the UI meets both aesthetic and functional goals?" (Emphasize communication, feedback integration, and shared ownership.)

Portfolio Presentation Strategy:

  • Structure Your Narrative: For each project, start with the problem, present your solution, explain your specific role and technical contributions, and conclude with the outcome or impact.

  • Show, Don't Just Tell: Use visuals (screenshots, videos, live demos if possible) to illustrate your work.

  • Quantify Results: Whenever possible, use metrics to demonstrate the success of your UI implementations (e.g., improved usability, reduced player confusion, performance gains).

  • Be Ready for Deep Dives: Prepare to answer detailed questions about your code, design choices, and the challenges you faced.

πŸ“ Enhancement Note: Interview preparation should focus on demonstrating not only technical skill in UI programming but also a deep understanding of game development workflows, a passion for player experience, and strong collaborative abilities. Being able to articulate your thought process and showcase relevant portfolio pieces effectively is critical.

πŸ“Œ Application Steps

To apply for this UI Programmer position:

  • Submit your application through the Paradox Interactive careers portal.

  • Portfolio Customization: Tailor your portfolio to showcase UI programming projects, ideally with examples of complex data display, menu systems, or HUD elements. Highlight any experience with scripting languages or C++ in game development.

  • Resume Optimization: Ensure your resume clearly details your professional experience in game development, specifically in UI programming roles. Use keywords from the job description such as "UI Programmer," "C++," "UI Scripting," "Game Development," and "UX Design." Quantify your achievements where possible.

  • Interview Preparation: Practice articulating your thought process for UI design and implementation challenges. Prepare to discuss your portfolio projects in detail, focusing on your specific contributions and the impact of your work.

  • Company Research: Familiarize yourself with Paradox Interactive's games, especially Crusader Kings III. Understand their approach to game design and UI, and be ready to discuss why you are a good fit for their culture and this specific project.

⚠️ 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.

Application Requirements

Requires professional experience as a UI or gameplay programmer in game development and the ability to learn new scripting languages. Strong English communication skills and a passion for accessible UI design are essential.