UI Developer (ReactJS) (World of Tanks)

📍 Job Overview

Job Title: UI Developer (ReactJS) (World of Tanks)
Company: Wargaming
Location: Vilnius, Lithuania
Job Type: Full-Time
Category: UI/UX Development, Software Engineering
Date Posted: 2025-09-30T09:48:17
Experience Level: Mid-Level (2-5 years)
Remote Status: Hybrid (3 days in office)

🚀 Role Summary

• Drive the development of graphical interfaces for core and meta gameplay within the World of Tanks (WoT) ecosystem, leveraging extensive front-end expertise.
• Create innovative prototypes for new UI solutions and versioned features, ensuring seamless integration with game mechanics and user experience goals.
• Collaborate closely with UX designers, game designers, and gameplay programmers to craft exceptional and user-centric UI solutions that enhance player engagement.
• Develop UI logic and integrate it with core backend components, demonstrating a strong understanding of front-end and backend interdependencies.
• Actively participate in the leading UI development community across all WoT locations, sharing knowledge and best practices to foster collective growth.

📝 Enhancement Note: While the title is "UI Developer," the description emphasizes a hybrid role requiring both front-end development (ReactJS, HTML, SASS, JavaScript) and a foundational understanding of backend integration or a willingness to develop this skill. This suggests a focus on full-stack UI development, where the candidate will not only build the user interface but also connect it to server-side logic and data. The "Reports to Solution Architect" further reinforces this, indicating a need for architectural thinking and integration capabilities.

📈 Primary Responsibilities

• Develop and implement user interfaces for core gameplay elements and meta-game features within World of Tanks on PC, ensuring a high-quality player experience.
• Design and build interactive prototypes for new UI solutions, mechanics, and features, iterating based on feedback from design and development teams.
• Collaborate with UX designers to translate wireframes and mockups into functional and visually appealing user interfaces, adhering to design principles.
• Work alongside gameplay programmers to integrate UI logic with game systems, ensuring smooth data flow and responsive interactions.
• Write backend code as necessary to support UI functionality, including API integrations, data handling, and logic implementation.
• Maintain and improve existing UI components and systems, ensuring scalability, performance, and maintainability.
• Contribute to the continuous improvement of UI development processes and standards by participating in code reviews and knowledge-sharing sessions.
• Communicate effectively with UI development teams across different WoT locations to share insights, resolve challenges, and align on development strategies.

📝 Enhancement Note: The responsibilities indicate a need for a developer who can bridge the gap between front-end design and backend implementation. This includes not just coding the UI but also understanding how it interacts with server-side logic, potentially involving API calls, data processing, and state management that spans both client and server.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience, is typically expected for this level of role in the tech industry.

Experience: Minimum of 2-5 years of professional experience in front-end development, with a strong emphasis on building complex user interfaces. Experience in the gaming industry is highly advantageous.

Required Skills:

• Extensive professional experience in front-end development using HTML, SASS, and JavaScript, with a primary focus on ReactJS.
• Fundamental understanding of backend concepts and approaches related to interface development, or a demonstrated strong willingness and ability to quickly acquire this knowledge.
• Proven ability to write backend code and effectively integrate it with user interface components.
• A genuine passion for the gaming industry and a proactive, continuous learning mindset.
• Excellent verbal and written communication skills in English, essential for clear collaboration and documentation.
• Strong self-motivation and exceptional organizational skills, enabling efficient task management and project execution.
• Excellent communication and interpersonal skills, with the ability to influence stakeholders through technical expertise and clear articulation of ideas.

Preferred Skills:

• Proficiency in Python for backend development tasks.
• Prior experience with ActionScript 3.0, indicating a potential advantage for those with a history in Flash-based game development or related technologies.
• Proven experience in the gaming industry, with familiarity with game development pipelines and technologies.
• Demonstrated experience collaborating with cross-functional and external teams in the design and implementation of game features.
• Experience in developing comprehensive front-end and full-stack solutions.

📝 Enhancement Note: The "What additional skills will help you stand out?" section clearly indicates a preference for candidates with full-stack capabilities or a strong aptitude for backend development, specifically mentioning Python. This suggests that while ReactJS is the core front-end requirement, the ability to contribute to backend logic is a significant differentiator.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrate experience in building interactive and responsive user interfaces using ReactJS, showcasing complex component structures and state management.
• Include examples of UI integrations with backend services or APIs, illustrating the ability to connect front-end components with server-side logic.
• Showcase projects where you have contributed to UI prototyping and iteration, highlighting your process for translating design concepts into functional prototypes.
• Present case studies that detail your approach to problem-solving in UI development, particularly where you encountered and overcame integration challenges.
• Highlight contributions to projects that required maintaining UI logic and ensuring scalability and performance.

Process Documentation:

• Provide examples of how you approach UI workflow design, from initial concept to final implementation, including any personal methodologies for task breakdown and execution.
• Showcase any experience in documenting UI components, integration points, or backend logic supporting the UI, emphasizing clarity and maintainability.
• Illustrate how you have measured or contributed to the measurement of UI performance or user engagement through data analysis or integration with analytics tools.

📝 Enhancement Note: For a role emphasizing both front-end and backend integration, a portfolio should ideally showcase projects that demonstrate this synergy. This could include personal projects, contributions to open-source projects, or specific features developed in previous professional roles that highlight the candidate's ability to handle both sides of the UI development equation.

💵 Compensation & Benefits

Salary Range: EUR 3200-4300 monthly gross. Based on industry benchmarks for mid-level UI Developers in Vilnius, Lithuania, this range appears competitive, reflecting the demand for ReactJS expertise combined with backend integration skills.

Benefits:

• Additional paid time off
• Sick Leave Compensation
• Pregnancy and Childbirth Leave Benefit
• Career development and education opportunities within the company
• Meal Allowance
• Premium Private Health Care
• Mental well-being program (iFeel)
• Perks discounts platform (over 450 exclusive discounts)
• Personal Gaming Account
• Coffee, fruits, and snacks in the office
• Company events
• Seniority Awards
• Referral program

Working Hours: Standard full-time hours, likely around 40 hours per week, with a hybrid work arrangement requiring 3 days in the office.

📝 Enhancement Note: The stated salary range is specific and provided in gross monthly figures. When evaluating this, candidates should consider net pay after taxes and social contributions in Lithuania, as well as the cost of living in Vilnius. The comprehensive benefits package indicates a strong focus on employee well-being and professional development.

🎯 Team & Company Context

🏢 Company Culture

Industry: Gaming, Software Development, Entertainment. Wargaming is a globally recognized leader in the gaming industry, known for its massively multiplayer online (MMO) titles, particularly its flagship World of Tanks franchise. This context implies a fast-paced, innovative, and collaborative environment driven by passion for gaming.

Company Size: Wargaming is a large global organization with 15 offices worldwide and a significant employee base. This means the company likely has established processes, a structured hierarchy, and opportunities for diverse career paths, while also maintaining a focus on specialized teams like the World of Tanks development group.

Founded: 1998. With over two decades of experience, Wargaming has a proven track record and deep expertise in developing and publishing successful online games, suggesting a stable and experienced employer.

Team Structure:

• The UI Developer reports to a Solution Architect, indicating a structured approach to technical design and problem-solving.
• The role involves close collaboration with UX designers, game designers, and gameplay programmers, highlighting a cross-functional team dynamic common in game development.
• The position also requires maintaining communication with a global UI development community, suggesting a networked or matrixed team structure to share best practices across different studios.

Methodology:

• Development likely follows agile methodologies, with an emphasis on iterative development, prototyping, and continuous feedback loops.
• Strong emphasis on collaboration and communication, especially between design, programming, and UI disciplines, to ensure cohesive and high-quality game features.
• A blend of front-end and backend development approaches is expected, requiring developers to be adaptable and proficient in integrating different system components.

Company Website: https://wargaming.net/

📝 Enhancement Note: Wargaming's long history and global presence suggest a mature organization with established development practices. The emphasis on collaboration, especially with roles like "Solution Architect" and a global "UI development community," indicates a structured yet interconnected development environment where communication and knowledge sharing are highly valued.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Mid-Level UI Developer, typically requiring 2-5 years of experience. It's a crucial contributor role within the World of Tanks development team, focusing on the technical implementation of user interfaces.

Reporting Structure: The UI Developer reports directly to a Solution Architect. This implies a direct line of guidance and mentorship, with opportunities to learn about system architecture and complex technical challenges from a senior perspective.

Operations Impact: The UI Developer's impact is directly tied to the player experience within World of Tanks. By creating intuitive, engaging, and functional interfaces, they directly influence player satisfaction, retention, and overall game enjoyment. This role is vital for translating game design concepts into a playable reality for millions of users.

Growth Opportunities:

• Technical Specialization: Deepen expertise in ReactJS, explore advanced state management solutions, and become a go-to expert for UI development within WoT.
• Full-Stack Development: Leverage the opportunity to expand backend development skills, potentially moving towards a full-stack developer role or specializing in backend systems that support UI.
• Leadership Track: Progress to Senior UI Developer, Lead UI Developer, or even transition into roles like UI/UX Lead or Solution Architect, contributing to higher-level design and strategy.
• Cross-Functional Learning: Gain deeper insights into game design, gameplay programming, and UX principles through close collaboration, opening doors to broader roles within game development.
• Industry Exposure: Benefit from working on a globally recognized title, enhancing your resume and opening doors to other opportunities within the gaming industry.

📝 Enhancement Note: The "Reports to Solution Architect" is a key indicator for career growth. It suggests that this role is not just about coding but also about understanding system design, which is a stepping stone to more senior architectural or leadership roles. The hybrid nature of the role (front-end + backend) also presents a significant opportunity for expanding skill sets.

🌐 Work Environment

Office Type: Hybrid model, requiring 3 days of work from the office per week. This suggests a blend of focused individual work and collaborative team interaction.

Office Location(s): Vilnius, Lithuania. This location provides a local hub for team members, fostering in-person collaboration, team building, and access to office amenities.

Workspace Context:

• Collaborative Environment: The hybrid model and emphasis on cross-functional teams suggest a dynamic workspace designed for both independent coding and group problem-solving.
• Tools & Technology: Expect access to modern development tools and potentially specialized hardware or software common in game development. The role requires proficiency with ReactJS, HTML, SASS, JavaScript, and potentially Python for backend tasks.
• Team Interaction: Regular face-to-face interaction with designers, game developers, and other UI engineers will be a key aspect of the daily work, facilitating knowledge sharing and real-time problem resolution.

Work Schedule: Standard full-time working hours (estimated 40 hours/week) with a hybrid arrangement. This allows for structured workdays while offering flexibility to manage personal commitments.

📝 Enhancement Note: The hybrid model is a significant aspect of the work environment. It implies that while remote work flexibility is provided, the company values in-person collaboration for specific tasks such as brainstorming, complex problem-solving, and team cohesion. Developers should be prepared for both focused individual work and active participation in office-based team activities.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Likely a brief call with HR or a recruiter to assess basic qualifications, interest, and cultural fit.
• Technical Interview(s): Expect in-depth technical discussions focusing on ReactJS, JavaScript, HTML, SASS, and potentially backend concepts. This may involve live coding exercises, problem-solving scenarios, and discussions about past projects.
• Portfolio Review: A dedicated session to walk through selected projects from your portfolio, explaining your role, technical decisions, and the impact of your work.
• Team/Manager Interview: A conversation with the hiring manager (Solution Architect) and potentially other team members to assess your technical approach, communication skills, problem-solving abilities, and how you would fit within the team's dynamic.
• Cultural Fit Assessment: Evaluation of your passion for gaming, willingness to learn, and alignment with Wargaming's values.

Portfolio Review Tips:

• Highlight ReactJS Expertise: Showcase complex UI components, state management strategies (e.g., Redux, Context API), and responsive design implementations.
• Demonstrate Full-Stack Integration: If possible, include projects where you've integrated front-end with backend services. Explain the APIs used, data flow, and any backend logic you contributed.
• Showcase Prototyping Skills: Present examples of UI prototypes you've created, explaining the tools and processes used, and how they informed final development.
• Quantify Impact: Whenever possible, use metrics to demonstrate the success of your UI solutions – e.g., improved user engagement, reduced load times, positive feedback.
• Explain Technical Decisions: Be prepared to articulate the "why" behind your technical choices – why ReactJS, why a particular state management approach, why a specific integration pattern.
• Tailor to the Role: Emphasize projects that align with game development or complex application interfaces.

Challenge Preparation:

• Coding Challenges: Practice common JavaScript and ReactJS coding challenges, focusing on algorithm efficiency, data structures, and clean code principles.
• System Design/Integration Questions: Be ready to discuss how you would design or integrate UI components with backend systems, considering scalability, performance, and error handling.
• Scenario-Based Questions: Prepare for questions about how you would handle specific UI development challenges, collaborate with designers, or resolve technical conflicts.

📝 Enhancement Note: The emphasis on a "portfolio review" and the mention of "backend code as required" strongly suggest that candidates should be prepared to demonstrate not just their ReactJS skills but also their ability to integrate these front-end components with server-side logic. This might involve explaining API interactions, data fetching, and any backend code they've written to support UI functionality.

🛠 Tools & Technology Stack

Primary Tools:

• Front-End Framework: ReactJS is the core requirement. Proficiency with its ecosystem, including hooks, context API, and component lifecycle methods, is essential.
• Styling: SASS/SCSS for efficient and organized CSS development.
• Core Languages: HTML, JavaScript (ES6+).
• Build Tools: Experience with tools like Webpack, Babel, or Vite will be beneficial for understanding the development workflow.

Analytics & Reporting:

• While not explicitly listed, experience with analytics integration (e.g., Google Analytics, Amplitude) or custom tracking for UI interactions would be valuable for understanding user behavior and feature performance.

CRM & Automation:

• Not directly applicable to this UI development role, but understanding how UI components interact with backend systems that might be managed by CRM or other enterprise software is relevant.

Backend Integration & Languages:

• Backend Knowledge: A foundational understanding of backend principles is required.
• Potential Backend Languages: Python is listed as a preferred skill, suggesting it's used within Wargaming's backend infrastructure for UI support. Experience with other backend languages or frameworks could also be relevant depending on the specific integration points.
• APIs: Familiarity with RESTful APIs and potentially GraphQL for data fetching and communication between front-end and back-end.

📝 Enhancement Note: The explicit mention of ReactJS, HTML, and SASS, combined with the requirement for backend integration knowledge and the preferred skill of Python, paints a picture of a modern front-end development environment with a full-stack leaning. Candidates should highlight any experience with API integrations and backend scripting.

👥 Team Culture & Values

Operations Values:

• Passion for Gaming: A deep-seated enthusiasm for video games, particularly World of Tanks, is likely a core value, driving dedication and understanding of the player base.
• Innovation & Creativity: Encouraging new ideas for UI solutions and gameplay mechanics to keep the game fresh and engaging.
• Collaboration: A strong emphasis on teamwork, open communication, and mutual support among team members across different disciplines (UI, UX, Gameplay, Backend).
• Continuous Improvement: A commitment to learning, refining processes, and enhancing game features based on feedback and evolving technologies.
• Quality & Player Focus: Dedication to delivering high-quality, polished user experiences that meet the expectations of a demanding player community.

Collaboration Style:

• Cross-Functional Synergy: The role necessitates close collaboration with UX designers, game designers, and gameplay programmers, requiring an ability to understand and integrate diverse perspectives.
• Knowledge Sharing: The requirement to communicate with a global UI development community suggests a culture of sharing best practices, challenges, and solutions across different geographical locations.
• Iterative Design: A process of continuous feedback and iteration is likely embedded in the team's workflow, encouraging open dialogue and adaptability.

📝 Enhancement Note: Wargaming's focus on a global community and its long-standing success in the gaming industry suggest a culture that values both individual expertise and collective effort. The "passion for gaming" is not just a perk but likely a fundamental driver of the team's motivation and success.

⚡ Challenges & Growth Opportunities

Challenges:

• Bridging Front-end and Backend: Effectively integrating complex UI elements with backend systems, especially if backend development is a developing skill for the candidate.
• Balancing Performance and Features: Ensuring that visually rich and interactive UIs perform optimally without compromising game stability or load times.
• Cross-Team Dependencies: Managing dependencies and communication with multiple teams (UX, Game Design, Gameplay Programming) to ensure seamless feature integration.
• Global Communication: Maintaining effective communication and alignment with UI developers across different time zones and locations.
• Adapting to Evolving Technology: Staying current with ReactJS updates, new UI patterns, and backend technologies relevant to game development.

Learning & Development Opportunities:

• Advanced ReactJS and UI Patterns: Opportunity to master complex ReactJS patterns, state management, and modern front-end architecture.
• Backend Development Skills: Significant opportunity to expand backend coding skills, particularly with Python, and gain experience in API development and system integration.
• Game Development Pipeline: Deepen understanding of the entire game development lifecycle, from concept to release.
• Cross-Disciplinary Knowledge: Learn from UX designers, game designers, and senior engineers about game mechanics, player psychology, and architectural design.
• Industry Conferences & Training: Potential for company-sponsored participation in relevant tech conferences or specialized training programs.

📝 Enhancement Note: The "Challenges" section is framed to highlight opportunities for growth. The requirement to "write backend code as required" is a direct pathway to developing full-stack capabilities, which is a significant career advancement opportunity within the software development field.

💡 Interview Preparation

Strategy Questions:

• UI Architecture & Integration: Be prepared to discuss how you would design a scalable ReactJS UI architecture for a complex application like World of Tanks, and how you would approach integrating it with backend services. Consider topics like component reusability, state management, and API contract design.
• Problem-Solving Scenarios: Expect questions like: "How would you optimize the loading time of a complex UI screen?" or "How would you handle real-time updates in the UI for player data?" Focus on your thought process, potential solutions, and how you'd test them.
• Backend Integration Experience: Discuss past projects where you've integrated front-end with backend systems. Explain the technologies used, the challenges faced, and the solutions implemented. If you have limited backend experience, be ready to articulate your understanding of backend concepts and your eagerness to learn.

Company & Culture Questions:

• Passion for Games: Be ready to talk about your favorite games, why you're interested in Wargaming, and what you admire about World of Tanks.
• Teamwork & Collaboration: Discuss your experience working in cross-functional teams and how you handle disagreements or differing technical opinions.
• Learning & Adaptability: Highlight instances where you've had to quickly learn new technologies or adapt to changing project requirements.

Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, clearly state the problem, your role, the technologies used, your specific contributions (especially front-end and backend integration), the challenges overcome, and the outcome or impact.
• Focus on Impact: Quantify your achievements whenever possible. Instead of just saying "built a feature," say "developed a new player profile UI that increased engagement by 15%."
• Technical Depth: Be prepared to dive into the technical details of your ReactJS implementation, state management choices, and any backend integration work.
• Showcase Backend Contribution (if applicable): If you have backend code examples, be ready to discuss them. If not, explain your understanding of the backend concepts that supported your UI work.
• Visuals: Use screenshots, live demos, or clear diagrams to illustrate your work.

📝 Enhancement Note: Given the hybrid nature of the role, interviewers will likely probe your ability to not only build UIs but also to understand and contribute to the systems they connect to. Emphasize any experience or understanding of APIs, data flow, and backend logic relevant to UI functionality.

📌 Application Steps

To apply for this UI Developer position:

• Submit your application through the provided link on the Wargaming careers portal.
• Portfolio Customization: Curate your portfolio to prominently feature your strongest ReactJS projects, especially those demonstrating complex UI development, responsive design, and any examples of backend integration or understanding of how UIs connect to server-side logic.
• Resume Optimization: Ensure your resume clearly highlights your experience with ReactJS, HTML, SASS, JavaScript, and any backend development skills or relevant Python experience. Use keywords from the job description and quantify your achievements.
• Interview Preparation: Practice coding challenges, prepare to discuss your portfolio projects in detail, and research Wargaming and the World of Tanks game. Be ready to articulate your passion for gaming and your collaborative approach.
• Company Research: Familiarize yourself with Wargaming's other titles, their company culture, and recent news. Understand their position in the gaming market and how the World of Tanks UI contributes to player experience.

⚠️ 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.

---