Frontend Software Engineer – UI Security Product

ESET
Full-timeKraków, Małopolskie, Poland
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📍 Job Overview

Job Title: Frontend Software Engineer – UI Security Product

Company: ESET

Location: Krakow, Poland

Job Type: Full-time

Category: Software Engineering (Frontend), with a strong focus on UI/UX for Security Products

Date Posted: June 13, 2025

Experience Level: 1+ years (Entry to Mid-Level)

Remote Status: On-site

🎨 Role Summary

  • Develop and maintain intuitive and responsive user interfaces for a cutting-edge Endpoint Detection and Response (EDR) security product.
  • Utilize modern frontend technologies, primarily React and TypeScript, to build robust and scalable UIs that handle complex security data visualizations.
  • Collaborate closely with backend engineers to integrate GraphQL APIs using Apollo Client, ensuring seamless data flow and application performance.
  • Contribute to the full software development lifecycle, from design discussions and implementation to testing and deployment, with a focus on security-conscious development practices.
📝 Enhancement Note: While the title is "Frontend Software Engineer," the emphasis on "UI Security Product" and responsibilities like "designing, implementing, and maintaining the web-based user interface" strongly indicate a role that requires significant consideration for user experience (UX) and user interface (UI) design principles within a technical context. The role involves not just coding but also contributing to the user-facing aspect of a critical security product.

🖼️ Primary Responsibilities

  • Design, implement, and test user interfaces that are both intuitive for security professionals and responsive across various devices and screen sizes.
  • Write clean, efficient, and maintainable code in React and TypeScript, adhering to best practices for frontend development and security.
  • Integrate frontend components with backend services by consuming GraphQL APIs using Apollo Client, ensuring efficient data fetching and state management.
  • Actively participate in code reviews, providing constructive feedback and ensuring code quality and adherence to team standards.
  • Troubleshoot and debug UI issues, identifying root causes and implementing effective solutions to maintain application stability and performance.
📝 Enhancement Note: Added emphasis on "security data visualizations" and "security-conscious development practices" to reflect the product's domain. Also included standard frontend development responsibilities like code reviews and debugging, which are inherent to the role despite not being explicitly listed.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's degree in Computer Science, Design, or a related technical field is typically preferred for this level of software engineering role. Equivalent practical experience and a strong portfolio demonstrating technical and UI development skills are also highly valued.

Experience: At least one year of professional experience developing web-based applications is required. Experience specifically building user interfaces for complex data-driven applications, ideally in a security or enterprise context, would be a significant advantage. A portfolio demonstrating proficiency in frontend development and UI implementation is crucial for showcasing practical skills.

Required Skills:

  • Proficiency in React framework for building dynamic and interactive user interfaces.
  • Strong command of TypeScript for writing type-safe and scalable JavaScript code.
  • Solid understanding of core web technologies: HTML5 for structure and CSS3 for styling, including responsive design techniques.
  • Experience with version control systems, particularly Git, for collaborative development and code management.

Preferred Skills:

  • Experience with GraphQL, specifically using Apollo Client, for efficient API integration and data management.
  • Familiarity with backend development languages such as Kotlin or Golang, which are used by the backend teams.
  • Understanding of gRPC communication protocols for inter-service communication.
  • Previous experience working with microservices architecture, understanding the challenges and patterns involved in building distributed systems.
  • Experience or interest in security-focused development environments and the unique considerations for building secure user interfaces.
📝 Enhancement Note: Inferred the typical educational background for a software engineering role. Explicitly stated the importance of a portfolio for demonstrating practical skills, which is standard for roles involving UI development. Organized skills into required and preferred categories for clarity.

🎨 Portfolio & Creative Requirements

Portfolio Essentials:

  • Showcase projects where you have designed and implemented complex user interfaces using React and TypeScript.
  • Include examples of responsive design implementation and how you ensured a consistent user experience across different devices.
  • Demonstrate your ability to integrate with APIs, particularly if you have experience with GraphQL.
  • Highlight projects where you have focused on performance optimization and building scalable frontend applications.

Process Documentation:

  • For relevant projects, provide a brief overview of your development process, including how you approached UI implementation based on design specifications.
  • If applicable, describe your collaboration process with designers and backend engineers.
  • Explain any challenges you encountered during development and how you overcame them.
📝 Enhancement Note: Since this is a Software Engineer role with UI focus, the portfolio requirements lean towards demonstrating technical implementation skills and understanding of UI principles rather than pure visual design. Emphasized demonstrating React/TypeScript proficiency, API integration, and responsive design.

💵 Compensation & Benefits

Salary Range: While a specific salary range is not provided, based on industry data for Frontend Software Engineers with 1+ years of experience in Krakow, Poland, the estimated annual gross salary range is typically between PLN 70,000 and PLN 120,000. This estimate is based on market research for similar roles in the cybersecurity or software development sector in the region, taking into account the cost of living in Krakow.

Benefits:

  • Health Care: Comprehensive health insurance coverage.
  • Transportation Benefit: Support for commuting costs.
  • Wellbeing Benefit/ Medicover Sport Card: Access to sports and wellness facilities.
  • Edenred Lunch Card: Provision for meal expenses.
  • English/Polish Classes: Opportunities for language learning and improvement.
  • Sick Days: Paid time off for illness.
  • Glasses Allowance: Financial assistance for prescription eyewear.
  • Marriage Allowance: Benefit provided upon marriage.
  • Childbirth Allowance: Benefit provided upon childbirth.
  • Parental Benefit: Support for parents.
  • Loyalty Program: Recognition and rewards for long-term employees.
  • Friend Referral: Incentives for referring new employees.
  • Family Day: Company-sponsored events for employees and their families.
  • St. Nicholas for Children: Special event or gifts for employees' children.
  • Christmas Presents: Holiday gifts for employees.
  • Refreshments in the office (fruits, coffee, soft drinks): Provided amenities in the workplace.
  • Chillout Zone, massage chair: Dedicated spaces for relaxation in the office.
  • Relocation Benefit: Support for candidates relocating for the position.

Working Hours: Full-time position, typically 40 hours per week. Specifics regarding flexible working arrangements within the on-site structure can be discussed during the interview process.

📝 Enhancement Note: Provided an estimated salary range based on market data for the specified role, experience level, and location (Krakow, Poland). Explicitly stated the methodology for the estimation. Detailed each listed benefit for clarity.

🎯Team & Company Context

🏢 Company & Design Culture

Industry: Cybersecurity Software Development. ESET is a global leader in cybersecurity, providing endpoint protection, threat detection, and other security solutions. This context means the design and development of user interfaces must prioritize clarity, usability, and the effective presentation of complex security information to users who may be security professionals or general consumers.

Company Size: 1,001-5,000 employees globally, with over 30 years of history. This suggests a well-established company with structured teams and processes, offering stability and opportunities for professional growth within a larger organization.

Founded: 1992. ESET has a long history in the cybersecurity industry, indicating deep expertise and a strong reputation in the market.

Team Structure:

  • The role is within a specialized team focused on building a specific Endpoint Detection and Response (EDR) product.
  • Collaboration is emphasized, particularly with backend teams using technologies like Kotlin or Golang and communication protocols like gRPC.
  • The team is described as international and collaborative, suggesting a diverse environment with opportunities to work with colleagues from different backgrounds.

Methodology:

  • The job description mentions "full software development lifecycle," implying agile or iterative development methodologies are likely employed.
  • The focus on collaboration between frontend and backend teams suggests a cross-functional approach.
  • The emphasis on testing indicates a commitment to quality assurance throughout the development process.

Company Website: http://www.eset.com

📝 Enhancement Note: Provided context on ESET's industry and how it impacts the UI development role. Inferred aspects of team structure and methodology based on the description of collaboration and the software development lifecycle.

📈 Career & Growth Analysis

Design Career Level: This role is positioned for a Frontend Software Engineer with at least one year of experience, likely falling into an Entry to Mid-Level position. The focus is on implementing and maintaining the UI, with opportunities to contribute to design discussions.

Reporting Structure: Not explicitly stated, but the role likely reports to a Team Lead or Engineering Manager within the EDR product team.

Design Impact: As a Frontend Engineer focused on the UI, your work directly impacts the user experience of a critical security product. The intuitive and responsive nature of the interface is crucial for users to effectively utilize the EDR software to protect themselves.

Growth Opportunities:

  • Deepen expertise in frontend development with React and TypeScript, potentially moving towards a Senior Frontend Engineer role.
  • Expand knowledge and experience in cybersecurity and EDR products, becoming a subject matter expert in the UI aspects of security software.
  • Develop skills in related technologies like GraphQL, Kotlin, Golang, or gRPC through collaboration with backend teams.
  • Potential to move into technical leadership or specialization in areas like frontend architecture or performance optimization.
  • Continuous professional development is mentioned, suggesting resources and support for skill enhancement.
📝 Enhancement Note: Analyzed the career level based on the required experience. Inferred the reporting structure and highlighted the direct impact of the role on the user's interaction with the security product. Outlined potential growth paths within frontend development and the cybersecurity domain.

🌐 Work Environment

Studio Type: On-site office environment in Krakow. The description mentions a "Chillout zone" and "massage chair," suggesting a focus on employee comfort and providing spaces for relaxation.

Office Location(s): Krakow, Poland. ESET also has offices in other locations globally, including a headquarters in Bratislava, Slovak Republic, and a presence in numerous other countries.

Design Workspace Context:

  • The on-site environment in Krakow provides opportunities for direct, in-person collaboration with team members and colleagues.
  • Amenities like refreshments and a chillout zone contribute to a potentially comfortable and supportive work atmosphere.
  • Working in a dedicated office space can facilitate focused work and immediate access to team resources.

Work Schedule: Full-time, likely standard business hours, though specific flexibility within the on-site model would need to be confirmed.

📝 Enhancement Note: Described the work environment based on the provided information and inferred aspects of the workspace context based on the listed amenities.

📄 Application & Portfolio Review Process

Design Interview Process:

  • Initial screening to assess basic qualifications and experience.
  • Technical interview(s) focusing on frontend development skills (React, TypeScript, HTML, CSS), problem-solving abilities, and potentially coding exercises or challenges.
  • Discussion of past projects and experience, likely involving a review of your portfolio to understand your approach to UI development and problem-solving.
  • Interview(s) to assess cultural fit, collaboration skills, and communication abilities, particularly in an international team setting.
  • Potential discussion of your understanding of security concepts or your interest in the cybersecurity domain.

Portfolio Review Tips:

  • Focus on projects that demonstrate your proficiency in React and TypeScript for building user interfaces.
  • Highlight examples of responsive design implementation and your approach to handling different screen sizes and devices.
  • If you have integrated with APIs, especially GraphQL, showcase how you handled data fetching and state management.
  • Clearly articulate your role and contributions in each project, particularly in collaborative environments.
  • Be prepared to discuss your technical decisions, challenges faced, and lessons learned during the development process.

Challenge Preparation:

  • Be prepared for potential coding challenges that test your frontend development skills, problem-solving abilities, and understanding of algorithms and data structures.
  • Practice building UI components and implementing features using React and TypeScript under timed conditions.
  • Review fundamental frontend concepts and best practices.
  • If given a take-home assignment, manage your time effectively and focus on delivering a clean, functional solution that addresses the core requirements.

ATS Keywords: React, TypeScript, HTML, CSS, JavaScript, Frontend Development, UI Development, User Interface, Responsive Design, Web Development, Git, Version Control, GraphQL, Apollo Client, Kotlin, Golang, gRPC, Microservices, Cybersecurity, Security Product, EDR, Endpoint Detection and Response, Software Engineering, Agile, Collaboration, Problem-solving, Analytical Skills, Communication Skills, Krakow, Poland.

📝 Enhancement Note: Outlined a typical interview process for a frontend software engineering role, including technical and behavioral aspects. Provided specific tips for preparing your portfolio and potential coding challenges, tailored to the listed requirements. Generated a comprehensive list of relevant ATS keywords.

🛠 Tools & Technology Stack

Primary Design Tools: While this is a software engineering role, the focus on UI implies interaction with design assets. Proficiency in understanding and implementing designs from tools like Figma, Sketch, or Adobe XD would be beneficial, although not explicitly required. The core tools for implementation are frontend development technologies.

Collaboration & Handoff:

  • Atlassian suite: Jira for issue tracking and project management, Confluence for documentation and knowledge sharing, and BitBucket for Git repository hosting and code management.
  • Collaboration with backend teams using GraphQL and potentially gRPC protocols.

Research & Testing:

  • Testing is mentioned as a key responsibility, implying the use of testing frameworks and methodologies for frontend applications (e.g., Jest, React Testing Library, Cypress).
  • While not explicitly stated, familiarity with tools for performance monitoring and debugging in the browser is likely necessary.
📝 Enhancement Note: Clarified that while UI is a focus, the primary tools are development-related. Included standard testing and debugging tools relevant to frontend development, which are not explicitly listed but are essential for the role.

👥 Team Culture & Values

Design Values:

  • Focus on creating "intuitive and responsive user interfaces," indicating a value placed on user experience and usability in a security context.
  • Emphasis on contributing to a product that "safeguards millions of users worldwide," highlighting the importance of the impact and reliability of the UI.
  • Collaboration with backend teams suggests a value on teamwork and cross-functional communication.
  • The mention of a "supportive, collaborative, and innovation-focused workplace" points to a culture that encourages teamwork and new ideas.

Collaboration Style:

  • Close collaboration with backend teams is explicitly mentioned.
  • Active participation in team discussions and product improvements is encouraged.
  • The team is described as international and collaborative, suggesting a diverse and interactive environment.
📝 Enhancement Note: Inferred design-related values and collaboration style based on the descriptions of the role, team, and company culture.

⚡ Challenges & Growth Opportunities

Design Challenges:

  • Designing and implementing user interfaces for complex security data, ensuring clarity and usability for different user types (e.g., security analysts vs. general users).
  • Balancing the need for a responsive and performant UI with the potentially large amount of data displayed in an EDR product.
  • Staying updated with evolving web technologies and frontend best practices while adhering to security considerations in development.
  • Collaborating effectively with backend teams using different technologies (Kotlin, Golang) and communication protocols (GraphQL, gRPC).

Learning & Development Opportunities:

  • Continuous professional development is explicitly mentioned, offering opportunities to enhance skills in frontend development, cybersecurity, and related technologies.
  • Exposure to advanced technologies used in the cybersecurity domain.
  • Potential for mentorship and learning from experienced engineers in the team and across the organization.
  • Opportunities to contribute to a product with significant global impact.
📝 Enhancement Note: Identified potential challenges specific to developing UIs for a security product and working in a collaborative, multi-technology environment. Highlighted learning opportunities based on the company's emphasis on growth and exposure to advanced technologies.

💡 Interview Preparation

Design Process Questions:

  • Be prepared to discuss your approach to building user interfaces from design specifications, including how you handle responsive design and different screen sizes.
  • Explain your process for integrating with APIs, particularly if you have experience with GraphQL and Apollo Client.
  • Describe how you approach testing frontend code to ensure quality and stability.

Company Culture Questions:

  • Research ESET's mission, values, and recent work in cybersecurity.
  • Be prepared to discuss why you are interested in working for a cybersecurity company and on a security product.
  • Reflect on your experience working in collaborative team environments, especially with backend engineers or designers.

Portfolio Presentation Strategy:

  • Select 1-3 projects that best showcase your frontend development skills with React and TypeScript.
  • For each project, briefly explain the goal, your role, the technologies used, and the key contributions you made.
  • Focus on demonstrating your ability to build functional, responsive, and well-structured user interfaces.
  • Be prepared to walk through your code and explain your technical decisions.
📝 Enhancement Note: Provided specific examples of interview questions related to the technical aspects of the role and company culture. Offered tactical advice for preparing your portfolio presentation, focusing on demonstrating relevant skills and experience.

📌 Application Steps

To apply for this design position:

  • Submit your application through this link
  • Customize your resume to highlight your experience with React, TypeScript, UI development, and any relevant experience in cybersecurity or data-intensive applications.
  • Prepare a portfolio or links to projects that demonstrate your frontend development skills, focusing on UI implementation and responsive design.
  • Research ESET and the cybersecurity industry to understand the context of the role and prepare for company-specific questions.
⚠️ Important Notice: This enhanced job description includes AI-generated insights and design industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.