UI Developer II

📍 Job Overview

Job Title: UI Developer II

Company: Corelation Inc

Location: San Diego, California, United States

Job Type: Full-Time

Category: Software Development / Front-End Engineering

Date Posted: 2026-02-09T22:44:59

Experience Level: Mid-Level (2-4 years)

Remote Status: On-site

🚀 Role Summary

• This role focuses on front-end software development, specifically enhancing user interfaces to maximize the power of the KeyStone platform for end-users.

• Responsibilities include acting as a technical resource for architectural design and contributing to code reviews with advanced feedback.

• The position requires a strong understanding of JavaScript, CSS, HTML, and related technologies, with a preference for React and TypeScript.

• This role involves contributing to process improvement, task estimation, and mentoring junior developers within the UI development team.

📝 Enhancement Note: While the job title is "UI Developer II," the description emphasizes "front-end software development" and "technical resource for design stages," indicating a role that bridges pure UI design with broader software engineering principles, particularly in the context of the KeyStone platform. The "II" level suggests a need for independent contribution and some mentorship capability.

📈 Primary Responsibilities

• Develop and maintain user interfaces for the KeyStone platform, ensuring a seamless and powerful experience for end-users.

• Act as an integral technical resource for cross-departmental design stages, providing input on UI and system architecture.

• Conduct advanced code reviews, offering in-depth feedback and suggesting system-aligned adjustments.

• Identify and advocate for best practices and process improvements within the program development lifecycle.

• Provide accurate, high-level task and project effort estimates to aid in planning and resource allocation.

• Cultivate and maintain an advanced understanding of Corelation’s KeyStone platform, staying abreast of all enhancements and changes.

• Utilize and demonstrate proficiency with Corelation’s KeyBridge API for interaction with the core software system.

• Participate actively in all project life cycle phases: analysis, design, implementation, testing, debugging, and deployment.

• Undertake large-scale special projects requiring advanced research and potentially wide-reaching system changes.

• Create and maintain functional design documents and other essential technical records.

• Assist in training and mentoring less experienced developers on the UI development team.

• Be available for occasional critical escalations outside standard work hours to support clients.

📝 Enhancement Note: The responsibilities clearly outline a mid-level developer role with expectations for technical leadership, system-level understanding (KeyStone platform and KeyBridge API), and contribution to process maturity. The inclusion of "occasional critical escalation" points to a need for on-call readiness or flexible availability for urgent issues.

🎓 Skills & Qualifications

Education:

Experience:

• 2-4 years of professional experience in front-end software development.

• Demonstrated ability to handle challenging projects with defined timelines and complex acceptance criteria.

Required Skills:

• Proficiency with JavaScript and JavaScript-related technologies (CSS, HTML, JSON, AJAX).

• Experience with Java for backend development.

• Experience with React and TypeScript.

• Ability to design, deploy, and interact with web services internally or with third-party vendors via APIs.

• Experience with XML.

• Understanding of layout aesthetics, web technologies, and a rigorous approach to programming (UI/UX design principles).

Preferred Skills:

• Knowledge of the KeyStone platform.

• Proficiency in working with Corelation’s KeyBridge API.

📝 Enhancement Note: The required skills lean heavily into modern front-end development stacks (JavaScript, React, TypeScript) with a necessary backend component in Java. The preference for KeyStone and KeyBridge API knowledge is critical for success, suggesting candidates with experience in similar proprietary platforms would be highly valuable. The education requirement allows for equivalent experience, broadening the candidate pool.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase projects demonstrating proficiency in front-end development using JavaScript, React, and TypeScript.

• Include examples of API integrations and web service interactions (RESTful APIs, SOAP).

• Present case studies of projects involving XML and JSON data manipulation.

• Highlight contributions to backend Java development or understanding of Java-based systems.

Process Documentation:

• Provide examples of functional design documents or technical specifications for software features developed.

• Showcase any contributions to process improvement initiatives within development workflows or team practices.

• Include documentation or descriptions of the development lifecycle phases you have participated in (analysis, design, implementation, testing, debugging, deployment).

📝 Enhancement Note: While not explicitly stated as a "portfolio requirement," for a mid-level developer role, demonstrating practical application of skills through a portfolio is standard. This section infers what would be expected in such a portfolio, focusing on the technologies and processes mentioned in the job description. The emphasis on documentation and process improvement suggests a candidate who not only codes but also understands the broader software development lifecycle.

💵 Compensation & Benefits

Salary Range:

• $91,000 - $108,300 per year.

• Note: The provided range may vary based on geographic metro/zone, budget, and candidate experience.

Benefits:

• Medical, Dental, and Vision Insurance

• Life Insurance

• 401(K) Retirement Plan with Company Match

• Discretionary Profit Share

• Discretionary Annual Bonus

• Wellness Programs (including Yoga and Massages)

• Bi-Weekly Employee Engagement Activities (e.g., coffee tastings, trivia)

• Community Involvement Opportunities

• Professional Development Growth Days

• Generous Paid Time Off:

  • Vacation Days
  • Floating Holidays
  • Sick Days

Working Hours:

• Standard 40-hour work week.

• Availability for occasional critical escalations after standard work hours for client support is required.

📝 Enhancement Note: The salary range is clearly defined, with a caveat for location and experience. The benefits package is extensive, highlighting Corelation's commitment to employee well-being and professional growth, including unique perks like wellness programs and company-sponsored activities. The on-site requirement is confirmed by the "On-site" AI attribute.

🎯 Team & Company Context

🏢 Company Culture

Industry: Financial Technology (FinTech) / Software Development, specifically for credit unions. Corelation develops the KeyStone core processing platform.

Company Size: The LinkedIn data for Corelation Inc. typically indicates a company size in the range of 201-500 employees, suggesting a medium-sized organization.

Founded: Corelation was founded in 2001, providing over two decades of experience in its specialized market.

Team Structure:

• The UI Developer II will be part of the UI development team, which likely consists of developers with varying levels of experience.

• This individual will function as a technical resource, collaborating cross-departmentally, implying interaction with product management, QA, and potentially backend engineering teams.

Methodology:

• Corelation emphasizes a culture of integrity, collaboration, innovation, respect, and service.

• The development team utilizes Agile Kanban methodology for project management.

• There's a focus on process improvement and identifying best practices in program development.

• The company fosters employee development through professional growth opportunities and community involvement.

Company Website: Corelation Inc. (While not provided in the input, a typical search would yield corelation.com)

📝 Enhancement Note: Corelation Inc. is a well-established player in the FinTech space, specializing in core banking solutions for credit unions. The company culture is explicitly stated to be value-driven and employee-centric, as evidenced by its "Top Workplaces" recognition and comprehensive benefits. The UI Developer II will operate within a structured yet collaborative environment that values both individual contribution and team success.

📈 Career & Growth Analysis

Operations Career Level: Mid-Level Developer (UI Developer II). This level signifies an individual contributor capable of independent work on complex tasks, with the added responsibility of mentoring junior colleagues and contributing to architectural discussions.

Reporting Structure: The reporting structure is not explicitly detailed, but typically, a UI Developer II would report to a UI Development Lead, Engineering Manager, or Director of Engineering. They will collaborate extensively with other developers, product managers, and potentially QA engineers.

Operations Impact: While this role is primarily technical, its impact on the "operations" of credit unions is significant. By enhancing the user interface of the KeyStone platform, the developer directly influences the efficiency, usability, and effectiveness of daily operations for credit union staff, ultimately impacting member services and business outcomes.

Growth Opportunities:

• Technical Specialization: Deepen expertise in KeyStone, KeyBridge API, React, TypeScript, and advanced JavaScript techniques.

• Mentorship & Leadership: Progress into a Senior UI Developer role with increased technical leadership, architectural input, and formal mentoring responsibilities.

• Cross-Functional Exposure: Gain broader understanding of the FinTech industry, credit union operations, and other engineering disciplines through cross-departmental collaboration.

• Process Improvement: Lead initiatives to refine development workflows, coding standards, and implementation strategies.

📝 Enhancement Note: The "UI Developer II" title, combined with the responsibilities of architectural input and mentorship, positions this role as a stepping stone to senior developer positions. Growth is expected through technical mastery of Corelation's proprietary systems and modern web technologies, as well as through contributions to process and team development.

🌐 Work Environment

Office Type: On-site. The role is based in San Diego, California.

Office Location(s): 2305 Historic Decatur Road, San Diego, CA 92106. This location is in a prime area of San Diego, likely offering a professional and accessible workspace.

Workspace Context:

• The work environment is described as collaborative, with a strong emphasis on company culture and employee well-being, evidenced by wellness programs and team activities.

• Developers will have access to necessary tools and technology to perform their roles, including development environments for Java, JavaScript, React, TypeScript, and access to Git/BitBucket.

Work Schedule:

• The standard work schedule is 40 hours per week, aligning with typical full-time employment.

• The requirement for occasional critical escalations after standard work hours suggests a need for flexibility and commitment to client support, which is common in software development roles supporting critical business systems.

📝 Enhancement Note: The on-site nature of the role in San Diego, coupled with the company's emphasis on culture and employee engagement, suggests a dynamic and supportive office environment. The blend of independent work, team collaboration, and client support expectations shapes the daily experience for the UI Developer II.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will likely review your resume and potentially conduct an initial phone screen to assess basic qualifications and cultural fit.

• Technical Assessment: Expect a technical interview or coding challenge. This could involve live coding exercises focusing on JavaScript, React, TypeScript, or problem-solving scenarios related to UI development and API interaction.

• System/Platform Deep Dive: An interview focused on your understanding of or ability to learn the KeyStone platform and KeyBridge API. Be prepared to discuss your approach to learning new, complex systems.

• Behavioral & Experiential Interview: Questions will assess your experience with Agile Kanban, code reviews, mentorship, process improvement, and handling challenging projects.

• Team/Hiring Manager Interview: A final interview to discuss your fit with the team and company culture, and to answer any remaining questions.

Portfolio Review Tips:

• Showcase Relevant Technologies: Prioritize projects that demonstrate your proficiency in JavaScript, React, TypeScript, HTML, CSS, and API integrations.

• Highlight Impact: For each project, clearly articulate the problem you solved, your specific contributions, the technologies used, and the outcome or impact (e.g., improved performance, enhanced user experience, successful deployment).

• Demonstrate Process: Include examples of functional design documents or describe your involvement in different project lifecycle phases. If possible, show contributions to process improvements.

• Explain Your Role: Be ready to walk through your projects and explain your specific role, decision-making process, and challenges overcome.

• KeyStone/API Focus: If you have experience with proprietary platforms or complex APIs, explicitly highlight this. If not, emphasize your ability to learn and adapt quickly.

Challenge Preparation:

• JavaScript Fundamentals: Brush up on core JavaScript concepts, ES6+ features, and common patterns.

• React & TypeScript: Practice building components, managing state, and working with hooks in React. Prepare for questions on TypeScript types, interfaces, and best practices.

• API Interaction: Be ready to discuss how to consume RESTful APIs, handle asynchronous operations (AJAX, Promises, async/await), and parse JSON/XML data.

• Problem-Solving: Practice breaking down complex problems into smaller, manageable steps and articulating your thought process.

• Agile Kanban: Understand the principles of Kanban and how it differs from Scrum. Be ready to discuss your experience working within this framework.

📝 Enhancement Note: The interview process is likely to be multi-stage, combining technical vetting with an assessment of cultural fit and specific platform aptitude. A strong portfolio that clearly articulates technical skills, project impact, and process involvement will be crucial for success.

🛠 Tools & Technology Stack

Primary Tools:

• Languages: JavaScript (primary), Java (backend), TypeScript.

• Frameworks/Libraries: React (primary for UI), potentially others for backend Java.

• Version Control: Git, BitBucket.

• APIs/Web Services: KeyBridge API (Corelation proprietary), RESTful APIs, SOAP.

• Data Formats: JSON, XML, AJAX.

Analytics & Reporting:

CRM & Automation:

• Not directly applicable to the UI Developer role itself, but understanding how the UI interacts with the broader KeyStone platform, which manages credit union operations, is essential.

📝 Enhancement Note: The technology stack is clearly defined, with a strong emphasis on modern front-end technologies (JavaScript, React, TypeScript) and a crucial integration point with proprietary systems (KeyStone, KeyBridge API) via Java and APIs. Proficiency in these areas, especially with Git/BitBucket, is a baseline requirement.

👥 Team Culture & Values

Operations Values:

• Integrity: Upholding ethical standards in development and client interactions.

• Collaboration: Working effectively with cross-functional teams to achieve shared goals.

• Innovation: Seeking new and improved ways to develop software and enhance the user experience.

• Respect: Valuing diverse perspectives and fostering a supportive work environment.

• Service: Dedication to providing excellent service to both internal stakeholders and external clients (credit unions).

Collaboration Style:

• The team operates with an Agile Kanban methodology, emphasizing continuous flow and iterative development.

• Cross-departmental collaboration is actively encouraged, meaning developers will work closely with product management, QA, and potentially other engineering teams to ensure cohesive product development.

• There's an expectation of open communication, constructive feedback during code reviews, and knowledge sharing to support team growth.

📝 Enhancement Note: Corelation's stated values are deeply embedded in its culture. For a UI Developer II, this translates to a work environment where technical excellence is balanced with teamwork, ethical conduct, and a commitment to serving the credit union industry. The collaborative style, particularly with Agile Kanban, promotes adaptability and continuous improvement.

⚡ Challenges & Growth Opportunities

Challenges:

• Adapting to Proprietary Systems: Mastering the KeyStone platform and KeyBridge API, which are specific to Corelation's business, will be a primary challenge. This requires a strong learning aptitude and the ability to grasp complex domain-specific logic.

• Balancing Innovation with Stability: As a UI Developer II, you'll need to balance introducing new UI/UX features and technologies with maintaining the stability and reliability of a critical financial platform.

• Cross-Functional Communication: Effectively communicating technical details and UI/UX concepts to non-technical stakeholders across different departments.

• Mentorship Demands: Successfully guiding and mentoring less experienced developers while managing your own project workload.

Learning & Development Opportunities:

• Deep Dive into FinTech: Gain in-depth knowledge of the credit union industry and the critical role of core processing systems.

• Advanced Development Skills: Enhance expertise in React, TypeScript, and modern JavaScript, alongside backend Java development.

• Architectural Acumen: Develop a stronger understanding of software architecture and system design through involvement in design stages and code reviews.

• Process Optimization: Contribute to and potentially lead initiatives for improving development processes and workflows.

📝 Enhancement Note: The challenges presented are typical for a mid-level developer joining a specialized company. The growth opportunities are substantial, offering a clear path for technical and professional advancement within the FinTech sector and Corelation's established structure.

💡 Interview Preparation

Strategy Questions:

• Technical Approach: "Describe a complex UI challenge you faced and how you solved it using JavaScript/React/TypeScript. What was your process?" (Be ready to detail your problem-solving steps, code structure, and any trade-offs made.)

• API Integration: "Walk me through your experience integrating front-end applications with backend APIs. What are the key considerations for designing and consuming APIs?" (Focus on your understanding of RESTful principles, error handling, and data formats like JSON/XML.)

• System Learning: "How do you approach learning a new, complex platform like KeyStone, especially when working with its proprietary API (KeyBridge)?" (Emphasize your research methods, documentation review, and proactive learning strategies.)

Company & Culture Questions:

• Values Alignment: "How do Corelation's values (integrity, collaboration, innovation, respect, service) resonate with your own work philosophy?" (Provide specific examples from your past experience.)

• Teamwork & Mentorship: "Describe your experience working in an Agile Kanban environment. How have you mentored junior developers or contributed to team process improvements?" (Highlight your collaborative spirit and leadership potential.)

• Product Impact: "How do you see your role as a UI Developer II contributing to the success of credit unions using the KeyStone platform?" (Connect your technical contributions to business outcomes and client service.)

Portfolio Presentation Strategy:

• Concise Project Overviews: For each project, start with a brief summary of the objective and your role.

• Technical Deep Dive: Explain the specific technologies used (React, TypeScript, Java, etc.) and why they were chosen.

• Process and Problem-Solving: Detail the challenges encountered, your approach to solving them, and any design decisions made.

• Quantifiable Results: Whenever possible, present metrics or outcomes that demonstrate the impact of your work (e.g., performance improvements, user engagement metrics, successful feature launches).

• Code Snippets (Optional but Recommended): Be prepared to show well-commented code snippets that highlight your coding style and technical proficiency, especially for key features or complex logic.

📝 Enhancement Note: Preparation should focus on demonstrating both technical competence with the specified tools and a strong understanding of software development processes, company values, and the unique aspects of the FinTech industry and Corelation's proprietary systems.

📌 Application Steps

To apply for this UI Developer II position:

• Submit your application through the provided link on the recruiting portal.

• Tailor Your Resume: Ensure your resume prominently features keywords related to JavaScript, React, TypeScript, Java, APIs, XML, JSON, Git/BitBucket, and Agile Kanban. Quantify achievements wherever possible.

• Prepare Your Portfolio: Curate 2-3 projects that best showcase your front-end development skills, API integration experience, and any contributions to process improvement or system understanding. Be ready to present these with clear explanations of your role and impact.

• Practice Technical Questions: Review core JavaScript concepts, React component patterns, TypeScript fundamentals, and common API interaction scenarios. Prepare to articulate your problem-solving process.

• Research Corelation: Understand their mission, values, and the KeyStone platform's role in the credit union industry. This will help you tailor your responses to demonstrate cultural fit and genuine interest.

⚠️ 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.