Sr Dev Engineer - UI Development

📍 Job Overview

Job Title: Sr Dev Engineer - UI Development

Company: Fiserv

Location: Alpharetta, Georgia, United States / Columbus, Ohio, United States

Job Type: Full time

Category: Software Engineering / UI Development

Date Posted: September 1, 2026

Experience Level: 6+ Years

Remote Status: On-site

🚀 Role Summary

• Spearhead the design, development, and maintenance of complex enterprise-level user interfaces and mobile applications.

• Drive technical implementation for UI/mobile initiatives, selecting optimal frameworks and integration strategies.

• Ensure the development of secure, scalable, and responsive digital experiences across web and mobile platforms.

• Collaborate closely with architects and backend engineers to integrate modern UI components with Java-based microservices and RESTful APIs.

• Champion engineering standards, testing practices, and release processes to ensure high-quality technical deliverables.

📝 Enhancement Note: While the title is "Sr Dev Engineer - UI Development," the core responsibilities and required skills heavily lean towards a Senior Front-End Engineer role with a strong emphasis on enterprise-level application development within a Fintech context. The role requires a deep understanding of modern JavaScript frameworks, API integration, and cloud deployment practices.

📈 Primary Responsibilities

• Design, build, and maintain sophisticated user interface (UI) and mobile application components utilizing Angular, React JS, JavaScript, HTML, and CSS.

• Develop and support applications that seamlessly integrate with Java-based backend services, adhering to microservices architecture and RESTful API standards.

• Lead the technical direction for UI and mobile development projects, making informed decisions on frameworks, platforms, and integration methodologies for complex solutions.

• Apply user interface (UI) and user experience (UX) best practices to create secure, responsive, and maintainable digital experiences across both web and mobile channels.

• Partner with architects and engineering teams to troubleshoot and resolve intricate technical challenges, ensuring alignment with architectural standards, security mandates, and compliance requirements.

• Facilitate cloud deployment and delivery pipelines, leveraging tools such as Microsoft Azure, VMware Tanzu, Git, Jenkins, Harness, and Azure DevOps.

• Uphold the quality of all technical outputs by rigorously following established engineering standards, implementing robust testing strategies, and adhering to defined release management procedures.

• Contribute to the continuous improvement of development processes and team methodologies within an Agile framework.

📝 Enhancement Note: The responsibilities highlight a senior-level individual contributor role focused on hands-on development, technical leadership within UI/mobile initiatives, and deep collaboration across engineering disciplines. The emphasis on enterprise digital solutions and Fintech integration suggests a need for robust, scalable, and secure development practices.

🎓 Skills & Qualifications

Education:

• Bachelor's degree in Computer Science, Engineering, Information Technology, or a closely related field.

• Alternatively, an equivalent combination of relevant education, professional experience, and/or military service will be considered. Experience:

• A minimum of 6+ years of comprehensive experience in software engineering, with a specialized focus on front-end/UI development, web application architecture, and the creation of enterprise-grade digital solutions.

• Proven track record of 6+ years in developing and deploying production-ready applications using Angular, React JS, JavaScript, HTML, and CSS.

• Extensive experience (6+ years) in building and integrating applications with RESTful APIs, navigating microservices architectures, and working with Java-based backend services.

• Substantial experience (6+ years) in utilizing version control systems (e.g., Git) and CI/CD tools such as Jenkins, Harness, or Azure DevOps for streamlined development and deployment workflows. Required Skills:

• Front-End Frameworks: Advanced proficiency in Angular and/or React JS for building dynamic and interactive user interfaces.

• Core Web Technologies: Deep expertise in JavaScript (ES6+), HTML5, and CSS3 for robust front-end development.

• API Integration: Strong experience integrating front-end applications with RESTful APIs and understanding microservices architecture patterns.

• Version Control & CI/CD: Proficient use of Git for source code management and experience with CI/CD tools like Jenkins, Harness, or Azure DevOps for automated builds and deployments.

• Cloud Environments: Experience deploying or supporting applications within cloud platforms such as Microsoft Azure or VMware Tanzu.

• Database Fundamentals: Familiarity with relational databases (e.g., Oracle) and NoSQL databases (e.g., Cassandra).

Preferred Skills:

• Mobile Development: Experience supporting iOS (Objective-C, Swift, SwiftUI, CocoaPods, Carthage) and Android (Android Studio) mobile application development.

• Agile Methodologies: Demonstrated experience working effectively within Agile development environments and collaborating with cross-functional engineering teams.

• Application Security: Practical experience in applying modern application security principles and best practices to UI and API-integrated solutions.

• Component Reusability: Experience in developing reusable software components, widgets, or shared front-end libraries to enhance development efficiency and consistency.

📝 Enhancement Note: The extensive experience requirement (6+ years) for core front-end technologies and API integration points to a need for highly skilled and seasoned developers. The inclusion of specific cloud and CI/CD tools suggests a modern DevOps-oriented development environment. The "great to have" skills, particularly mobile development and security, indicate areas where candidates with broader experience will be highly valued.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• UI/UX Case Studies: Showcase detailed examples of complex user interfaces and mobile applications developed, highlighting design choices, technical implementation, and user experience considerations.

• API Integration Examples: Provide evidence of successful integration with RESTful APIs and microservices, demonstrating an understanding of data flow and asynchronous operations.

• Cloud Deployment Examples: Illustrate experience with deploying applications to cloud environments (Azure, VMware Tanzu), including configuration and pipeline automation.

• Code Repository Samples: If possible, share links to public repositories (e.g., GitHub) demonstrating clean, well-documented code following industry best practices in JavaScript, Angular, or React.

Process Documentation:

• Workflow Optimization: Detail instances where you improved front-end development workflows, testing processes, or deployment pipelines, quantifying the efficiency gains.

• Agile Collaboration: Describe your approach to collaborating within Agile teams, including participation in sprint planning, daily stand-ups, and retrospectives, with examples of contributions.

• System Integration Documentation: Present examples of how you documented integrations between front-end components and backend services, ensuring clarity for future development and maintenance.

📝 Enhancement Note: For a Sr. Dev Engineer role, a portfolio is crucial. It should not only demonstrate technical proficiency but also the ability to lead technical initiatives, apply best practices, and contribute to process improvements. Candidates should be prepared to walk through their portfolio, explaining architectural decisions, challenges overcome, and the impact of their work.

💵 Compensation & Benefits

Salary Range:

Based on market data for Senior Software Engineers specializing in UI Development in Alpharetta, Georgia, and Columbus, Ohio, with 6+ years of experience, and considering Fiserv's position as a large Fintech company, the estimated annual salary range is $110,000 - $150,000 USD.

📝 Enhancement Note: This salary estimate is based on research of similar roles in the specified locations and industry, factoring in the experience level and the demand for specialized UI development skills in the Fintech sector. Actual compensation may vary based on individual qualifications, performance, and prevailing market conditions. Fiserv's official compensation will be determined during the interview process.

Benefits:

• Comprehensive Health Insurance: Medical, dental, and vision coverage for employees and eligible dependents.

• Retirement Savings Plan: 401(k) plan with company matching contributions to help employees save for the future.

• Paid Time Off: Generous vacation, sick leave, and paid holidays to support work-life balance.

• Life and Disability Insurance: Employer-paid life insurance and short-term/long-term disability coverage.

• Professional Development: Opportunities for training, certifications, and attendance at industry conferences to foster career growth.

• Employee Stock Purchase Plan (ESPP): Option to purchase Fiserv stock at a discounted rate.

• Wellness Programs: Access to resources and programs aimed at promoting employee health and well-being.

Working Hours:

• Standard full-time position, typically 40 hours per week.

• The role is on-site Monday through Friday, with potential for some flexibility within core business hours as agreed upon with the hiring manager.

📝 Enhancement Note: The benefits package is typical for a large, established corporation like Fiserv, aiming to provide a competitive total compensation and support employee well-being and long-term financial security. The emphasis on on-site work aligns with the company's stated preference for in-person collaboration.

🎯 Team & Company Context

🏢 Company Culture

Industry: Fintech and Payments. Fiserv operates at the intersection of finance and technology, providing critical infrastructure and innovative solutions for financial institutions, merchants, and consumers globally. This dynamic industry demands agility, security, and a forward-thinking approach to technology.

Company Size: Large Enterprise (over 10,000 employees). As a global leader, Fiserv's scale offers opportunities for significant impact, exposure to diverse projects, and potential for career advancement within a structured corporate environment.

Founded: 1984. With a long history, Fiserv has established a strong market presence and deep expertise in the financial services technology sector. This longevity suggests stability and a proven track record of adapting to technological and market changes.

Team Structure:

• UI Development Team: Likely comprises Senior and Mid-level UI Engineers, potentially with UI/UX Designers and QA specialists, focused on front-end development for various product lines.

• Reporting Structure: This Senior role will likely report to a UI Development Manager or Engineering Lead, with dotted-line reporting or close collaboration with Product Managers and Architects.

• Cross-functional Collaboration: Expect close partnerships with Java backend engineers, architects, product owners, QA teams, and potentially DevOps engineers to deliver end-to-end solutions.

Methodology:

• Agile Development: The role is explicitly stated to be within an Agile environment, implying practices like Scrum or Kanban, with regular sprints, stand-ups, and iterative development cycles.

• Microservices Architecture: Development will heavily involve integrating with and supporting microservices, requiring an understanding of distributed systems and API-first design principles.

• Data-Driven Decisions: While not explicitly stated for UI, within Fintech, decisions are typically driven by data analysis, user feedback, and performance metrics to ensure the effectiveness and adoption of digital solutions.

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

📝 Enhancement Note: Fiserv's status as a large Fintech company means the role operates within a highly regulated and competitive environment. The emphasis on microservices, cloud deployment, and security is critical. The company culture likely balances innovation with the stability and process rigor required for financial services.

📈 Career & Growth Analysis

Operations Career Level: Senior Individual Contributor (IC). This role represents a significant step in a software engineering career, moving beyond basic coding to technical leadership, design input, and complex problem-solving. It's a position where expertise is leveraged to guide projects and mentor junior engineers.

Reporting Structure: Reports to an Engineering Manager or Team Lead, with close collaboration with Product Managers, Architects, and peer engineers. This structure allows for both direct technical contribution and strategic input.

Operations Impact: Directly influences the user experience and adoption of Fiserv's digital products. Successful UI development is critical for customer satisfaction, operational efficiency (through intuitive interfaces), and ultimately, revenue generation by enabling seamless financial transactions and service access.

Growth Opportunities:

• Technical Specialization: Deepen expertise in specific front-end frameworks (Angular, React), mobile development (Swift/Kotlin), or specialized areas like performance optimization or accessibility.

• Technical Leadership: Transition into roles like Tech Lead, responsible for guiding a team's technical direction, code quality, and architectural decisions for specific projects.

• Architectural Roles: Develop skills and experience to move into Software Architect or Principal Engineer roles, focusing on higher-level system design and technology strategy.

• Management Track: With demonstrated leadership and people skills, potential exists to move into Engineering Management roles, overseeing teams and people development.

• Cross-functional Exposure: Gain experience in areas like DevOps, cloud architecture, or product management through collaboration and potential project rotations.

📝 Enhancement Note: The "Sr Dev Engineer" title signifies a strong technical track. Growth will primarily be through deepening technical expertise, taking on more complex projects, and potentially mentoring. A move into management is possible but likely requires a conscious shift in focus and skill development.

🌐 Work Environment

Office Type: On-site. Fiserv emphasizes in-person collaboration as essential for onboarding, productivity, and team cohesion. This suggests a traditional office environment with dedicated workspaces.

Office Location(s): Alpharetta, Georgia, and Columbus, Ohio. These are established technology hubs, offering access to a pool of talent and resources. The on-site requirement means candidates must be willing and able to commute to one of these locations daily.

Workspace Context:

• Collaborative Spaces: Expect office layouts that facilitate team interaction, potentially including open-plan areas, meeting rooms, and shared project spaces.

• Technology Access: Standard corporate IT infrastructure, including development workstations, access to necessary software licenses, and robust network connectivity. Access to cloud platforms (Azure, VMware Tanzu) will be integrated into the development workflow.

• Team Interaction: Daily interaction with immediate team members (fellow engineers, leads), product managers, and architects, fostering a dynamic and communicative work environment.

Work Schedule:

• Standard full-time hours, Monday to Friday, approximately 40 hours per week.

• While on-site, there may be some degree of flexibility within core business hours, subject to team and manager agreement, to accommodate project needs and personal needs where feasible.

📝 Enhancement Note: The strong emphasis on "on-site" work is a key differentiator. Candidates should be comfortable with a traditional office setting and understand that remote work is not an option for this role. This environment is designed to foster direct collaboration and mentorship.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or recruiter call to assess basic qualifications, experience, and cultural fit.

• Technical Phone/Video Interview: In-depth discussion of technical skills, experience with specific technologies (Angular, React, JavaScript, APIs), and problem-solving abilities.

May include live coding or conceptual questions.

• On-site/Virtual On-site Interviews: This will likely involve multiple rounds with different team members, including:

  • Technical Deep Dive: Focused on specific UI development challenges, architecture discussions, and code review scenarios.
  • Behavioral Interview: Assessing soft skills, teamwork, problem-solving approach, and alignment with Fiserv's values, often using the STAR method (Situation, Task, Action, Result).
  • Portfolio Presentation: A dedicated session to walk through selected projects, explaining technical decisions, challenges, and outcomes.
  • Manager/Lead Interview: Assessing overall fit, career aspirations, and strategic thinking.

• Final Decision: Offer extended based on overall performance across all interview stages.

Portfolio Review Tips:

• Curate Selectively: Choose 2-3 of your strongest, most relevant projects that showcase your UI development skills, API integration experience, and any cloud deployment work.

• Structure Your Narrative: For each project, clearly articulate:

  • The problem statement or business need.
  • Your specific role and contributions.
  • The technologies and frameworks used, explaining why you chose them.
  • Key technical challenges faced and how you overcame them.
  • The outcome or impact of your work (quantify if possible).

• Highlight Collaboration: Emphasize how you worked with other teams (backend, product, QA) to achieve project goals.

• Code Quality: Be prepared to discuss code structure, design patterns, and testing strategies. If sharing code samples, ensure they are clean, well-commented, and demonstrate best practices.

• Be Ready for Deep Dives: Anticipate questions about specific technical implementation details, architectural decisions, and trade-offs made during development.

Challenge Preparation:

• Front-End Problem Solving: Practice solving common UI development challenges, such as state management, performance optimization, cross-browser compatibility, and responsive design.

• API Integration Scenarios: Be ready to discuss how you would handle API errors, data fetching, and real-time updates in a front-end application.

• Agile & Teamwork Scenarios: Prepare examples demonstrating your ability to work effectively in an Agile team, handle feedback, and contribute to team goals.

• Company Research: Understand Fiserv's business, its role in Fintech, and its recent product developments. Think about how your UI skills can contribute to their strategic objectives.

📝 Enhancement Note: Given the "Sr" title and the on-site requirement, Fiserv will likely invest significant time in the interview process. Candidates should prepare thoroughly, focusing on demonstrating not just technical skills but also leadership potential, problem-solving acumen, and a collaborative mindset aligned with an enterprise environment.

🛠 Tools & Technology Stack

Primary Tools:

• Front-End Frameworks: Angular, React JS (essential).

• Core Languages/Technologies: JavaScript (ES6+), HTML5, CSS3.

• UI/UX Design Principles: Applied understanding of user-centered design, responsiveness, and accessibility.

• Version Control: Git (essential).

• Build Tools: Webpack, Babel (likely used within Angular/React ecosystems).

Analytics & Reporting:

• Web Analytics: Google Analytics, Adobe Analytics, or similar (for tracking user behavior and performance).

• Performance Monitoring Tools: Lighthouse, WebPageTest, or browser developer tools for analyzing and optimizing front-end performance.

• Dashboarding Tools: Experience with tools like Tableau, Power BI, or internal Fiserv reporting solutions for visualizing key metrics.

CRM & Automation:

• API Gateway/Management: Understanding of how APIs are managed and consumed.

• CI/CD Tools: Jenkins, Harness, Azure DevOps (essential for deployment pipelines).

• Cloud Platforms: Microsoft Azure, VMware Tanzu (essential for deployment and infrastructure).

• Databases: Oracle, Cassandra (familiarity required).

• Backend Integration: Java-based backend services, Microservices architecture (essential context).

📝 Enhancement Note: The technology stack is modern and enterprise-focused, reflecting Fiserv's position in the Fintech industry. Proficiency in core front-end technologies, cloud platforms, and CI/CD tools is paramount. Experience with mobile development frameworks and various database types broadens a candidate's appeal.

👥 Team Culture & Values

Operations Values:

• Innovation & Agility: Embracing new technologies and methodologies to drive progress in the fast-paced Fintech sector.

• Customer Focus: Prioritizing client outcomes and delivering solutions that meet the evolving needs of financial institutions and consumers.

• Integrity & Trust: Upholding the highest standards of security, compliance, and ethical conduct in handling sensitive financial data.

• Collaboration & Teamwork: Fostering an environment where diverse perspectives are valued, and collective effort leads to success.

• Excellence & Quality: Committing to delivering high-quality, reliable, and scalable solutions through rigorous engineering practices.

Collaboration Style:

• Cross-functional Integration: Expect a highly collaborative environment where UI engineers work closely with backend developers, product managers, architects, and QA to ensure seamless integration and alignment across all aspects of product development.

• Open Communication: Emphasis on clear, transparent communication, regular feedback loops, and proactive problem-solving.

• Knowledge Sharing: Encouragement of sharing best practices, code reviews, and technical insights to elevate the team's overall capabilities and foster continuous learning.

📝 Enhancement Note: Fiserv's culture likely balances the dynamic nature of Fintech with the stability and security demands of financial services. The emphasis on collaboration and integrity will be key for successful integration into the team.

⚡ Challenges & Growth Opportunities

Challenges:

• Complexity of Enterprise Systems: Navigating and integrating with large, complex, and often legacy systems within a financial institution.

• Security and Compliance Demands: Adhering to stringent security protocols and regulatory compliance standards inherent in the Fintech industry.

• Scalability and Performance: Ensuring that UI applications can handle high transaction volumes and scale effectively to meet global demand.

• Rapid Technological Evolution: Staying current with the fast-paced advancements in front-end technologies and adapting them to enterprise needs.

• Cross-Team Dependencies: Managing dependencies and aligning efforts with multiple backend teams and stakeholders to ensure cohesive product delivery.

Learning & Development Opportunities:

• Advanced Framework Training: Opportunities to deepen expertise in Angular, React, or explore emerging front-end technologies.

• Cloud Certifications: Pursuing certifications in Microsoft Azure or other cloud platforms relevant to deployment and infrastructure.

• Fintech Industry Knowledge: Gaining a deeper understanding of financial services, payment systems, and regulatory landscapes.

• Leadership Development Programs: Access to training and mentorship for those interested in progressing towards technical leadership or management roles.

• Internal Workshops & Knowledge Sharing: Participating in regular sessions where engineers share expertise on new tools, techniques, and best practices.

📝 Enhancement Note: The challenges presented are typical for senior roles in large, established tech companies within regulated industries. The growth opportunities are designed to support both deep technical specialization and potential career progression into leadership.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex UI feature you developed. What were the key technical challenges, and how did you approach them?" (Focus on problem-solving, technical depth, and decision-making.)

• "How do you ensure your UI code is maintainable, scalable, and secure in a large enterprise environment?" (Discuss best practices, design patterns, testing, and security considerations.)

• "Walk me through your process for integrating a new front-end component with a RESTful API. What potential issues do you anticipate and how would you handle them?" (Assess understanding of API interaction, error handling, and asynchronous programming.)

• "Describe your experience with microservices architecture from a front-end perspective. How do you manage dependencies and data consistency?" (Gauge understanding of distributed systems and front-end's role.)

• "How do you stay updated with the latest trends and technologies in UI development, and how do you decide which to adopt?" (Evaluate proactivity, learning ability, and critical thinking.) Company & Culture Questions:

• "Why are you interested in Fiserv and the Fintech industry specifically?" (Demonstrate research and genuine interest.)

• "How do you approach collaboration with backend engineers and product managers?" (Highlight teamwork, communication, and cross-functional effectiveness.)

• "Describe a time you had to work with ambiguous requirements or a rapidly changing project scope. How did you handle it?" (Assess adaptability, problem-solving, and resilience.)

• "What does 'quality' mean to you in the context of software development?" (Understand your standards and commitment to excellence.) Portfolio Presentation Strategy:

• Storytelling: Frame your project walkthroughs as narratives – problem, solution, impact.

• Technical Clarity: Be precise when discussing technologies, architectural choices, and implementation details. Avoid jargon where simpler terms suffice but use technical terms accurately.

• Focus on Impact: Quantify achievements whenever possible (e.g., "improved load time by 20%", "reduced error rate by 15%").

• Engage Your Audience: Make it interactive. Ask if they have questions as you go, and be prepared to dive deeper into specific code snippets or architectural diagrams.

• Demonstrate Ownership: Clearly articulate your individual contributions while acknowledging team efforts.

📝 Enhancement Note: Preparation should focus on showcasing not just technical prowess but also strategic thinking, collaborative skills, and an understanding of enterprise-level software development within the financial services sector. The portfolio presentation is a critical opportunity to demonstrate hands-on expertise and problem-solving capabilities.

📌 Application Steps

To apply for this Sr Dev Engineer - UI Development position at Fiserv:

• Submit Your Application: Navigate to the Fiserv careers portal via the provided URL and complete the online application form.

• Tailor Your Resume: Ensure your resume clearly highlights your 6+ years of experience in UI development, proficiency in Angular, React JS, JavaScript, HTML, CSS, and your experience with APIs, microservices, cloud platforms (Azure, VMware Tanzu), and CI/CD tools. Use keywords from the job description.

• Prepare Your Portfolio: Select 2-3 of your most impactful UI development projects. For each, prepare a concise overview detailing the problem, your solution, technologies used, challenges overcome, and quantifiable results. Be ready to present this during an interview.

• Research Fiserv: Understand Fiserv's business, its role in Fintech, key products, and recent company news. Consider how your skills align with their strategic goals.

• Practice Interview Questions: Review common UI development interview questions, behavioral questions (using the STAR method), and prepare to discuss your portfolio in detail.

⚠️ 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.