UX/UI Senior Software Engineer

📍 Job Overview

Job Title: UX/UI Senior Software Engineer Company: Partner One Capital Location: Argentina Job Type: CONTRACTOR Category: Software Engineering / Product Development Date Posted: 2025-10-27 Experience Level: Senior (5-10 years inferred) Remote Status: Fully Remote

🚀 Role Summary

• Design, develop, and maintain secure, scalable, and intuitive web applications with a strong focus on user experience (UX) and user interface (UI) principles.
• Collaborate closely with UX/UI designers and backend engineering teams to translate complex cybersecurity data into clear, actionable insights for customers.
• Optimize application performance, speed, and scalability, ensuring a seamless and efficient user journey.
• Contribute to a culture of high-quality code through rigorous testing, debugging, and participation in code reviews.
• Drive innovation by transforming business requirements into practical, robust technical solutions within the cybersecurity domain.

📝 Enhancement Note: The original posting is for a UX/UI Senior Software Engineer at Partner One Capital, but the description text clearly states "Join Fidelis Cybersecurity". This enhancement assumes the role is with Fidelis Cybersecurity, given the detailed description of their platform and mission. The "Partner One Capital" might be a recruiting agency or an aggregator. The role is classified under Software Engineering/Product Development due to its technical nature and focus on user-facing application development. The experience level is inferred as Senior based on the title and responsibilities, typically requiring 5-10 years of relevant experience. The work arrangement is "Fully Remote" as per the remote_derived: true flag and location_type: TELECOMMUTE.

📈 Primary Responsibilities

• Build and maintain secure, scalable, and high-performance web applications utilizing Angular (12+) and modern web development technologies.
• Partner effectively with UX/UI designers to implement intuitive, user-centric interfaces that enhance the visualization and interaction with critical security data.
• Collaborate with backend engineering teams to seamlessly integrate APIs, ensuring robust data flow and synchronization across the platform.
• Proactively optimize application performance, speed, and scalability to deliver a superior user experience for cybersecurity professionals.
• Write clean, maintainable, and well-documented code adhering to best practices and established coding standards.
• Actively participate in code reviews, comprehensive testing, and debugging processes to uphold the highest standards of code quality and application stability.
• Stay abreast of the latest industry trends, emerging technologies, and Angular best practices to continuously improve development processes and application features.
• Translate complex business requirements and user needs into practical, efficient, and technically sound solutions.

📝 Enhancement Note: These responsibilities are directly extracted and structured from the provided job description, emphasizing the software engineering and UX/UI aspects within a cybersecurity context. The focus on collaboration, optimization, and quality assurance is highlighted to reflect the senior-level expectations.

🎓 Skills & Qualifications

Education:

• Bachelor of Science (BS) in Computer Science, Engineering, or a related field, or equivalent practical experience.

Experience:

• A minimum of 5-10 years of professional software engineering experience, with a significant portion focused on front-end development and user interface implementation.
• Proven experience in building and maintaining complex web applications, preferably in a cybersecurity or data-intensive domain.

Required Skills:

• Angular Expertise: Proficiency in Angular (version 12+) is essential, including deep understanding of its architecture and lifecycle.
• Front-end Technologies: Strong command of TypeScript, JavaScript (ES6+), HTML5, SCSS, and Less for building dynamic and responsive user interfaces.
• Reactive Frameworks: Experience with RxJS for asynchronous programming and state management libraries like NgRx.
• API Integration: Solid understanding of RESTful APIs, third-party integrations, and data exchange protocols.
• Database Knowledge: Familiarity with SQL for data querying and understanding database interactions.
• Server Management: Experience with IIS (Internet Information Services) for web server deployment and management.
• Performance Optimization: Demonstrated ability in performance tuning and optimization for both applications and databases.
• Cloud Familiarity: Exposure to or understanding of cloud platforms such as AWS, Azure, or GCP.
• Problem-Solving: Excellent analytical and problem-solving skills with a keen eye for detail.
• Team Collaboration: Proven ability to work effectively in a collaborative team environment, contributing to shared goals.

Preferred Skills:

• NoSQL Databases: Experience with NoSQL database systems.
• Search Engines: Familiarity with search engine technologies (e.g., Elasticsearch).
• Agile Development: Experience working within Agile development methodologies (Scrum, Kanban).
• Containerization: Knowledge of containerization technologies like Docker or Podman for efficient deployment.

📝 Enhancement Note: The required and preferred skills are detailed based on the explicit mentions in the job description. The experience level is inferred as Senior (5-10 years) due to the title "Senior Software Engineer" and the depth of technical requirements. The education requirement is also explicitly stated.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase of Angular Applications: Provide examples of complex web applications developed using Angular, demonstrating proficiency in architecture, component design, and state management.
• UX/UI Implementation Examples: Highlight instances where you've effectively translated UX/UI design mockups into functional, pixel-perfect interfaces, emphasizing user-centric design principles.
• API Integration Projects: Include projects that showcase your ability to integrate with RESTful APIs, manage data flow, and handle asynchronous operations effectively.
• Performance Optimization Case Studies: Present examples of how you've identified and resolved performance bottlenecks in web applications, detailing the techniques used and the resulting improvements.

Process Documentation:

• Workflow Design and Optimization: Demonstrate understanding of how to document and optimize front-end development workflows, from requirement gathering to deployment.
• System Implementation Standards: Show evidence of adhering to coding standards, best practices for maintainability, and security considerations during system implementation.
• Measurement and Performance Analysis: Be prepared to discuss how application performance and user experience metrics are tracked, analyzed, and used to drive further improvements.

📝 Enhancement Note: This section is crafted to align with typical expectations for a Senior Software Engineer role, particularly one involving UI/UX. The emphasis is on demonstrating practical application of skills through a portfolio that showcases technical depth, problem-solving, and an understanding of the development lifecycle. The "process documentation" aspects are framed around the engineering workflow and system quality.

💵 Compensation & Benefits

Salary Range:

• Estimate: $70,000 - $110,000 USD annually (based on experience, skills, and Argentina cost of living for remote roles).
• Explanation: As a contractor role for a US-based company hiring in Argentina, the salary is estimated to be competitive within the Argentinian tech market for senior remote engineers, while also reflecting US-based compensation benchmarks for similar roles. Argentina's cost of living is generally lower than in North America or Western Europe, influencing the range. This estimate considers the required skills in Angular, TypeScript, and cybersecurity platform development.

Benefits:

• Contractor Engagement: Opportunity to work as a contractor with a global cybersecurity leader.
• Remote Work Flexibility: Fully remote position, offering the freedom to work from anywhere in Argentina.
• Professional Development: Exposure to cutting-edge cybersecurity technologies and practices.
• Collaborative Environment: Work with a team of experienced designers, engineers, and cybersecurity experts.
• Project Impact: Contribute to industry-leading cybersecurity platforms that help defend against real-world threats.

Working Hours:

• Standard: Approximately 40 hours per week, with flexibility to accommodate project deadlines and team collaboration across different time zones.
• Operations Specifics: While a standard 40-hour week is expected, the remote nature may allow for some flexibility in scheduling work blocks, provided core collaboration hours and project milestones are met.

📝 Enhancement Note: Salary range is an estimation for a senior remote role in Argentina, considering the contractor employment type and industry. Benefits are inferred based on typical offerings for remote contractor roles with established tech companies, focusing on professional growth and flexibility. Working hours are standardized but acknowledge potential remote flexibility.

🎯 Team & Company Context

🏢 Company Culture

Industry: Cybersecurity Technology, Enterprise Software. Company Size: Fidelis Cybersecurity is a well-established cybersecurity firm, likely employing hundreds to thousands of professionals globally. (Inferred from the scale of their "industry-leading cybersecurity platforms"). Founded: Fidelis Cybersecurity was founded in 2009, indicating a mature company with established processes and a significant history in the cybersecurity market.

Team Structure:

• Operations Team Aspect 1: The role is part of a product development and engineering team focused on building and enhancing Fidelis's cybersecurity platforms. This team likely includes specialized roles in UX/UI design, front-end development, back-end development, QA, and product management.
• Operations Team Aspect 2: The Senior UI/UX Software Engineer will report to an engineering lead or manager, working closely with product owners and design leads. Collaboration will be cross-functional, involving close interaction with designers and backend engineers.
• Operations Team Aspect 3: Expect a highly collaborative environment where ideas are shared freely, and feedback is integral to the development process. The focus is on collective problem-solving and delivering high-quality software solutions.

Methodology:

• Data Analysis and Insights: The core mission involves transforming complex security data into clear, actionable insights. This implies a data-driven approach to design and development, focusing on how users interact with and interpret information.
• Workflow Planning and Optimization: Emphasis is placed on building scalable, performant applications and optimizing development workflows, suggesting a commitment to efficient and robust engineering practices.
• Automation and Efficiency: While not explicitly stated for this role, the nature of cybersecurity platforms often relies on automation for threat detection and response. This role will contribute to the user-facing components that leverage such backend automation.

Company Website: https://www.fidelissecurity.com/

📝 Enhancement Note: Company information is based on publicly available data for Fidelis Cybersecurity. The "Team Structure" and "Methodology" sections are inferred to provide context relevant to an operations professional, focusing on how engineering and design contribute to the company's overall mission and operational efficiency.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Software Engineer role, indicating a significant level of technical expertise and autonomy. The individual is expected to contribute independently, mentor junior engineers, and influence technical decisions within their domain. This level signifies a transition from individual contributor to a technical leader or specialist.

Reporting Structure: The Senior UI/UX Software Engineer will likely report to an Engineering Manager or Director of Engineering. They will collaborate closely with Product Managers, UX/UI Designers, and other Software Engineers (front-end and back-end) on a day-to-day basis. The reporting structure emphasizes cross-functional teamwork within the product development lifecycle.

Operations Impact: The role has a direct impact on how customers perceive and interact with Fidelis Cybersecurity's core products. By creating intuitive and effective user interfaces for complex security data, this engineer will directly influence user adoption, efficiency in threat detection and response, and ultimately, customer satisfaction and retention. This translates into tangible business impact by enabling customers to better protect themselves and their organizations.

Growth Opportunities:

• Operations Skill Advancement: Deepen expertise in Angular, TypeScript, and modern front-end architectures. Gain specialized knowledge in UX/UI principles for complex data visualization within the cybersecurity domain.
• Technical Leadership: Potential to grow into a Tech Lead role, guiding small teams, making architectural decisions, and mentoring junior engineers.
• Cross-Functional Exposure: Develop a strong understanding of the entire cybersecurity product lifecycle, from design to deployment and customer feedback, by working closely with diverse teams.
• Industry Specialization: Become an expert in the cybersecurity technology sector, a rapidly evolving and high-demand field.

📝 Enhancement Note: This section analyzes the role's position within a typical engineering career path, focusing on the "operations" aspect of how the individual contributes to the business's operational efficiency and customer success through their technical work. Growth opportunities are framed around skill development and career progression within a technology company.

🌐 Work Environment

Office Type: Fully Remote. This role operates entirely outside a traditional office setting, offering maximum flexibility. Office Location(s): Argentina. While the role is remote, the hiring and employment are specified for individuals located in Argentina, which may have implications for payroll and local compliance.

Workspace Context:

• Collaborative Environment: Expect a virtual collaborative environment. This will involve frequent use of communication tools (e.g., Slack, Microsoft Teams), video conferencing, and collaborative coding platforms.
• Operations Tools & Technology: Access to industry-standard development tools, including version control systems (Git), project management software (Jira, Asana), and communication platforms. The company will provide access to necessary cloud environments and development infrastructure.
• Operations Team Interaction: Regular virtual meetings, stand-ups, code reviews, and design discussions with team members to ensure alignment and foster a cohesive working relationship despite the remote setup.

Work Schedule:

• Primary: Approximately 40 hours per week.
• Flexibility: While core working hours may be established for team synchronization (potentially aligning with Argentinian or US business hours), the remote nature often allows for flexibility in structuring the workday, provided deadlines and collaborative needs are met. This flexibility is crucial for effective remote operations and balancing personal commitments.

📝 Enhancement Note: This section details the remote work environment, emphasizing the tools and communication methods essential for effective collaboration in a distributed team. The context is tailored to how a remote operations professional would experience their "workspace."

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A brief call with a recruiter to assess basic qualifications, experience, and cultural fit.
• Technical Interview(s): One or more in-depth interviews focusing on technical skills. This may include:
  • Coding Challenges: Live coding exercises on platforms like CoderPad or HackerRank, focusing on Angular, TypeScript, JavaScript, and problem-solving.
  • System Design Discussion: Scenarios to assess your approach to designing scalable and performant web applications and integrating APIs.
  • Portfolio Review: A dedicated session to walk through your selected projects, discussing your role, technical decisions, challenges, and outcomes.
• Team/Hiring Manager Interview: A conversation with the hiring manager and potential team members to evaluate collaboration skills, understanding of the company's mission, and alignment with team culture.
• Final Interview (Optional): May involve a higher-level discussion on strategy, leadership potential, or a final technical deep-dive.

Portfolio Review Tips:

• Curate Selectively: Choose 2-4 of your strongest projects that best showcase your Angular, TypeScript, and UI/UX implementation skills. Prioritize projects that demonstrate complex problem-solving or significant impact.
• Focus on Impact: For each project, clearly articulate the problem you were solving, your specific contributions, the technologies used, the challenges you overcame, and the measurable outcomes or impact. Use the STAR method (Situation, Task, Action, Result).
• Highlight UX/UI Integration: Emphasize how you translated design requirements into functional interfaces and any user feedback or testing that informed your implementation. Detail your approach to responsive design and accessibility.
• Technical Deep Dive: Be prepared to discuss the architectural decisions, trade-offs, performance optimizations, and testing strategies employed in your projects. Demonstrate a deep understanding of Angular's lifecycle, state management (NgRx), and reactive programming (RxJS).
• Tailor to Fidelis: If possible, relate your past projects to the challenges Fidelis Cybersecurity addresses, such as handling complex data visualization or building scalable enterprise applications.

Challenge Preparation:

• Algorithmic Thinking: Brush up on common data structures and algorithms, as these are often tested in live coding sessions.
• Angular Best Practices: Review core Angular concepts, component lifecycle, module structure, forms, routing, and state management patterns.
• Problem-Solving Scenarios: Practice breaking down complex problems into smaller, manageable steps and articulating your thought process clearly.
• API Design & Integration: Understand common API patterns (REST) and how to effectively consume and interact with them.

📝 Enhancement Note: This section provides actionable advice for candidates preparing for the interview process, specifically focusing on how to present a portfolio for a Senior Software Engineer role with UI/UX responsibilities. The tips are geared towards demonstrating technical depth, problem-solving abilities, and alignment with the company's needs.

🛠 Tools & Technology Stack

Primary Tools:

• Angular (12+): The core framework for building modern, scalable web applications. Proficiency is paramount.
• TypeScript: Essential for building robust, maintainable, and type-safe JavaScript applications.
• JavaScript (ES6+): Fundamental for web development, understanding modern JS features is key.
• HTML5 & CSS3 (SCSS/Less): For structuring and styling web interfaces, with a focus on semantic HTML and efficient CSS preprocessors.
• RxJS: For handling asynchronous operations and managing event streams within Angular applications.
• NgRx: A popular state management library for Angular, enabling predictable state containers.

Analytics & Reporting:

• Browser Developer Tools: Essential for debugging, performance profiling, and inspecting application behavior.
• Performance Monitoring Tools: May include tools integrated within Angular or external services for tracking application speed and responsiveness.

CRM & Automation:

• RESTful APIs: Understanding how to consume and interact with backend services is critical.
• IIS (Internet Information Services): Experience with deploying and managing applications on Windows servers.
• Cloud Platforms (AWS, Azure, GCP): Familiarity with cloud environments for deployment, scaling, and integration purposes.

Version Control & Collaboration:

• Git: Standard for version control, essential for collaborative development.
• Project Management Tools: Likely Jira, Asana, or similar for task tracking and workflow management.
• Communication Platforms: Slack, Microsoft Teams, or similar for real-time team communication.

📝 Enhancement Note: This section details the specific technologies and tools mentioned or implied in the job description. It highlights the core front-end stack and relevant infrastructure/collaboration tools, crucial for operations professionals to understand the technical environment.

👥 Team Culture & Values

Operations Values:

• Security First: A deep commitment to building secure applications and protecting sensitive customer data is paramount given the cybersecurity domain.
• User-Centricity: Prioritizing the end-user experience, ensuring that complex security data is presented clearly and intuitively to enable effective decision-making.
• Innovation & Continuous Improvement: A drive to stay ahead of emerging threats and technological advancements, fostering an environment where new ideas and process optimizations are encouraged.
• Collaboration & Teamwork: Valuing open communication, mutual respect, and collective problem-solving to achieve shared goals.
• Quality & Reliability: A dedication to building robust, scalable, and high-performance software that customers can depend on.

Collaboration Style:

• Cross-Functional Integration: Expect a highly integrated approach where engineers, designers, and product managers work in tight loops, sharing feedback and iterating rapidly.
• Process Review Culture: Regular opportunities for code reviews, design critiques, and retrospective meetings to identify areas for improvement in both product development and team processes.
• Knowledge Sharing: An environment that encourages sharing technical expertise, best practices, and lessons learned through internal documentation, presentations, or informal discussions.

📝 Enhancement Note: These values and collaboration styles are inferred based on the company's industry (cybersecurity) and the role's emphasis on user experience and collaboration. They are framed to resonate with operations professionals who value efficiency, data-driven decisions, and teamwork.

⚡ Challenges & Growth Opportunities

Challenges:

• Complex Data Visualization: Translating vast amounts of intricate cybersecurity data into understandable and actionable insights for users is a significant, ongoing challenge.
• Security Demands: Maintaining the highest security standards in code and application architecture while delivering user-friendly features requires constant vigilance and specialized knowledge.
• Rapidly Evolving Threat Landscape: Keeping pace with new cybersecurity threats and adapting the platform to counter them necessitates continuous learning and agile development.
• Performance Optimization: Ensuring that complex applications remain fast and responsive, even when processing large datasets, requires sophisticated optimization techniques.

Learning & Development Opportunities:

• Specialized Skill Development: Opportunities to become an expert in front-end development for cybersecurity applications, including advanced Angular, RxJS, and state management.
• Industry Immersion: Gain deep insights into the cybersecurity industry, understanding threat intelligence, incident response, and the critical needs of security professionals.
• Mentorship & Technical Guidance: Potential to receive guidance from experienced senior engineers and architects, and to mentor junior developers as your career progresses.
• Exposure to Modern Tech Stacks: Work with a modern technology stack and potentially explore related areas like cloud infrastructure, CI/CD pipelines, and backend integrations.

📝 Enhancement Note: This section outlines potential challenges specific to the role and industry, framing them as opportunities for growth and skill development. It highlights continuous learning and specialization as key aspects of professional development in this field.

💡 Interview Preparation

Strategy Questions:

• Operations Strategy: "Describe a time you had to design a user interface for complex data. How did you approach breaking down the requirements, collaborating with stakeholders, and ensuring the final product was intuitive and actionable?" (Focus on your process, user empathy, and outcome).
• Collaboration & Stakeholder Management: "How do you handle disagreements with a UX/UI designer regarding an interface implementation? Walk me through a situation where you had to balance technical constraints with design vision." (Demonstrate communication, negotiation, and problem-solving skills).
• Problem-Solving: "Imagine a scenario where users are complaining about slow load times on a critical dashboard. What steps would you take to diagnose and resolve this issue, considering both front-end and potential back-end dependencies?" (Showcase your analytical approach and technical troubleshooting methodology).

Company & Culture Questions:

• Cybersecurity Domain Understanding: "What interests you about working in the cybersecurity industry, and what do you see as the biggest challenges for users of cybersecurity platforms?" (Research Fidelis's mission and current cybersecurity trends).
• Team Dynamics: "How do you contribute to a positive and productive team environment, especially in a remote setting? What is your preferred method of receiving and giving feedback?" (Highlight your collaborative spirit and communication style).
• Operations Impact: "How do you measure the success of a user interface you've developed, beyond just functionality? What metrics would you track to demonstrate its impact on user efficiency and customer satisfaction?" (Connect your work to business value and operational effectiveness).

Portfolio Presentation Strategy:

• Narrative Arc: Structure your portfolio presentation with a clear beginning (problem), middle (your solution and process), and end (results and impact).
• Visual Aids: Use screenshots, diagrams, or even short video demos of your projects to make your presentation engaging and easy to follow.
• Quantify Achievements: Whenever possible, use data and metrics to illustrate the success of your projects (e.g., "Improved page load time by 30%", "Reduced user error rate by 15%").
• Technical Justification: Be ready to explain your technology choices, architectural decisions, and any trade-offs you made. Articulate your understanding of Angular's best practices, state management, and performance optimization techniques.
• Interactive Q&A: Be prepared for detailed questions about your code, design patterns, and problem-solving approaches.

📝 Enhancement Note: This section provides tailored interview questions and preparation strategies, focusing on how a Senior Software Engineer can showcase their skills in UI/UX, problem-solving, and collaboration within the context of cybersecurity. The emphasis is on demonstrating strategic thinking and operational impact.

📌 Application Steps

To apply for this operations position:

• Submit your application through the provided application link on Workable.
• Portfolio Customization: Curate a portfolio that prominently features your strongest Angular projects, specifically highlighting your contributions to UI/UX implementation, API integrations, and performance optimization. Select projects that best align with building complex, data-intensive web applications.
• Resume Optimization: Tailor your resume to emphasize keywords such as "Angular," "TypeScript," "UI/UX," "Web Applications," "Performance Tuning," "RESTful APIs," and "Cybersecurity" (if applicable). Clearly list your years of experience and specific achievements using quantifiable results.
• Interview Preparation: Practice articulating your technical experience using the STAR method for behavioral questions. Prepare a concise and compelling narrative for your portfolio walkthrough, focusing on your problem-solving process, technical decisions, and the impact of your work.
• Company Research: Thoroughly research Fidelis Cybersecurity's mission, products, and recent news. Understand their position in the cybersecurity market and identify how your skills and experience can contribute to their goals. Prepare to discuss your interest in their specific domain.

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

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