WHAT DOES A FRONT END SOFTWARE ENGINEER DO?
Published: Mar 20, 2025 – The Front End Software Engineer develops and maintains high-quality front-end code while ensuring adherence to coding standards and best practices. This position collaborates with engineering teams, QA, and product management to implement efficient solutions and resolve technical issues. The engineer also continuously improves the codebase by debugging, researching defects, and participating in design and code reviews.

A Review of Professional Skills and Functions for Front End Software Engineer
1. Front End Software Engineer Details
- Scalability and Best Practices: Build tech solutions with scalability and best practices in mind.
- Collaboration: Collaborate with Product Manager and engineering teams to build products that scale and drive metrics.
- Code Ownership: Ownership of frontend codebases within the experiment domain.
- Front-End Development: Develop and enhance dashboard and web user experience by using the best practices in modern front-end development.
- Code Optimization: Improve the codebase layout and structure to ensure reliability, scalability, and security.
- Maintainable Code: Produce high-quality maintainable code, test it, collaboratively review it, and ship it.
- Architecture Improvement: Identify areas to improve and scale front-end architecture and application design.
- Technical Feasibility: Help guide business requirements with technical feasibility and constraints.
- Commitment: Do whatever it takes to make Xendit succeed.
2. Front End Software Engineer Responsibilities
- Frontend Development: Maintain and upgrade existing sites across the company portfolio with new features, improvements, and fixes.
- Frontend Technologies: Develop projects using frontend technologies (JavaScript, Handlebars, SCSS, and Webpack) and explain the reasoning behind technical choices.
- Project Ownership: Help take ownership of seeing code ship to production and make an impact for thousands of users around the world.
- Technical Toolset Expansion: Sharpen and expand the technical toolset with frontend technologies such as Vue, TypeScript, SCSS, and Node, and utilize templating languages such as Handlebars.
- Team Representation: Act as an advisor/representative for the frontend team to nontechnical staff.
- Continuous Improvement: Constantly seek opportunities to learn from and improve the efficiency and knowledge of the team.
- Adaptability: Able to take constructive criticism well and adapt designs/code to meet business goals and team/workplace standards.
- On-Call Support: Serve as an on-call support developer for the editorial and web teams.
- Accessibility Knowledge: Have a working knowledge or interest in learning about accessibility for the web.
- User Experience Advocacy: Be a constant advocate for an excellent user experience.
3. Front End Software Engineer Job Summary
- UI/UX Design: Realize system requirements into user interface designs, architecture, and software.
- User-Centered Design: Ensure that applications meet user requirements and provide a great UX.
- Branding Alignment: Align applications with standards and branding requirements.
- Testing and Documentation: Develop and complete required testing and documentation.
- Team Participation: Participate in team and project meetings.
- Continuous Improvement: Participate fully in continuous improvement activities, designing and implementing changes.
- Web Development: Develop, test, and maintain web applications using modern development practices.
- Code Quality: Write clean and modular code, with extensibility and performance in mind.
- Code Review and Mentorship: Collaborate with the rest of the development team by performing code reviews and mentoring junior developers.
- Technical Feasibility: Work with UI/UX designers to ensure the technical feasibility of designs.
- Troubleshooting and Optimization: Troubleshoot and debug issues, as well as performance-tuning and optimization of web applications.
- Cross-Functional Collaboration: Collaborate effectively within a cross-functional organization to prioritize, scope, and communicate the progress of deliverables.
4. Front End Software Engineer Accountabilities
- Platform Development: Design, develop, and maintain code for online vehicle listing and bidding platform.
- Experience Enhancement: Develop code to enhance the inventory viewing and bidding experience for customers.
- Trust Solutions: Design and deliver solutions that add transparency and trust to the virtual auction space.
- Scalability Collaboration: Collaborate with software and production engineers to design scalable services, plan feature roll-out, and ensure high reliability and performance for products.
- Code Review: Conduct code reviews, contribute high-quality documentation, and build robust test suites for products.
- Mentorship: Grow and mentor other engineers within the team and cross-functionally based on personal strengths and capabilities.
- Community Engagement: Have the opportunity to be active in community events surrounding the tech start-up and incubator space here in downtown Buffalo.
- Android Development: Write clean and efficient code for Android applications.
- Usability Adjustment: Adjust the aesthetics and usability of the application based on user feedback.
- App Optimization: Monitor the performance of live apps and work on optimizing them at the code level.
- UX Translation: Work with the product team to translate UX and visual designs into elegant, responsive, and modern web apps.
- Web App Development: Design, implement, test, deploy, and maintain the suite of Sense web apps.
- API Design: Work closely with the engineering team to specify server APIs to support new application functionality.
5. Front End Software Engineer Functions
- Ownership: Take ownership and drive results to bring useful functionality and intuitive design to modern UI and UX.
- UI/UX Design: Create reusable custom UI components to be shared among multiple projects; Champion best practices and simplistic UI design to create intuitive and functional components.
- Collaboration: Facilitate and collaborate with backend, DB, and architect engineers to bring forth the best designs possible.
- Unit Testing: Implement useful unit tests and create code that lends itself to useful tests.
- Front-End Improvement: Strive for constant improvement in the look and feel of the front end using modern CSS employing mobile-first reactive UIs and working with UX designers.
- Agile: Participate in Agile activities for constant improvement and productivity.
- Mobile Optimization: Maintain and improve the mobile client codebase and feature set for ARA’s commercial smartphone app.
- Architecture Optimization: Partner with the backend team to optimize current architecture and find improvements to scale horizontally for thousands of users.
- Research and Development: Contribute to dynamic team researching and developing defense and IC-related technologies serving Government programs and commercial products.
6. Front End Software Engineer Overview
- Debugging: Intermediate debugging skills (e.x., debug base HTML, CSS, JS issues).
- Code Efficiency: Continuously looks for opportunities for improvement/efficiencies in the codebase they support.
- Coding Standards: Actively produce consistent, quality code in line with Coding Standards.
- Deadline Management: Execute and hit deadlines as well as provide timely feedback if the scope is incorrect.
- Collaboration: Collaborate with the Engineering team and engineering leaders, QA, and the Product Management team to develop the best solution based on structured requirements.
- Technical Administration: Follow administration guidelines of all technical facets as presented by the CTO and within prescribed policy limits and applicable Federal/State laws and regulations.
- Documentation: Participate in application development meetings and assist in implementing action items; Assist in producing design documents, unit tests, and other document requirements.
- Quality Assurance: Actively participate in design and code reviews, stay abreast of development methodologies, competitors, and advances in technology; Perform and assist with quality assurance activities.
- Customer Support: Work with other departments to find solutions to customer concerns or complaints; Participate in training and/or customer support activities.
- Defect Diagnosis: Research and identify the cause of reported defects and issues; Diagnose defects within the software and develop defect fixes.
7. Front End Software Engineer General Responsibilities
- System Design: Capture requirements for designing, implementing, and instrumenting systems.
- Communication: Support needs for low-latency, high-bandwidth, and high-availability communications to and from robots operating in the field and as simulated instances.
- Cloud Infrastructure: Work with and contribute to growing cloud infrastructure (e.g., Google Cloud Platform, Kubernetes, Cloud Functions, Cloud ML, etc.)
- Collaboration: Collaborate closely with, and in some cases directly on, frontend code, robot systems, CLI scripts, and other tooling.
- Code Maintenance: Design, build, and maintain efficient, reusable, and reliable code.
- Requirements Documentation: Accountable for full systems development life cycle including creating high-quality requirements documents, use-cases, design, and other technical artifacts.
- Test Strategy: Detailed test strategy/test design, performance benchmarking, release rollout, and deployment plans, contingency/back-out plans, feasibility study, cost and time analysis, and detailed estimates.
- System Maintenance: Perform system maintenance and troubleshoot production incidents as part of the on-call support schedule.
- Quality Assurance: Collaborate with Quality Assurance engineers on testing processes – ensuring adequate test coverage in unit testing, system testing/integration, and performance testing.
- Performance Optimization: Identify and resolve bottlenecks, rectify bugs, and enhance application performance.
- Testing: Perform unit and instrumentation tests on code.
- Collaboration: Collaborate with cross-functional teams to define and design new features.