WHAT DOES A FRONT END ENGINEER DO?

Published: Jun 12, 2025 - The Front End Engineer develops responsive and scalable web interfaces using HTML, CSS, and JavaScript while ensuring technical feasibility and UI/UX integrity. This role involves collaborating with cross-functional teams in an agile environment to translate product requirements into high-quality, reusable code and actively participating in code reviews and debugging. The engineer also conducts thorough testing and validation of user input, resolves functional defects, and contributes to operational releases and mentoring efforts.

A Review of Professional Skills and Functions for Front End Engineer

1. Front End Engineer Key Accountabilities

  • Web Development: Build and deploy high-quality web applications.
  • Responsive Design: Convert from design/prototype to a responsive interface on the web.
  • Problem Solving: Implement solutions to complex business features to hone skills.
  • Code Review: Engage in extensive and candid code review with peers.
  • Software Engineering: Design, build, and maintain efficient, reusable, and reliable code.
  • Tech Engagement: Participant in regular internal technology sharing and other regional tech events.

2. Front-End Engineer General Responsibilities

  • Problem Solving: Proactively identify solutions to ambiguous technical and product challenges and bring those solutions to the team.
  • Autonomy: Work on projects for 1-3 months at a time with little technical supervision.
  • Engineering Practices: Develop solutions to complex problems with engineering best practices in mind and share solutions with the team.
  • Mentorship: Serve as a mentor for other engineers within the organization.
  • Analytical Thinking: Work on complex issues where analysis of situations or data requires an in-depth evaluation of variable factors.
  • Decision Making: Exercise judgment in selecting methods, techniques, and evaluation criteria for obtaining results.
  • Cross-functional Collaboration: Network with key contacts outside own area of expertise.
  • Agile Development: Actively participate in identifying user stories, clarifying requirements and scope, breaking down development tasks, and discussing implementation details.
  • Testing: Write good tests with full test coverage for all of the code.
  • Code Quality: Develop high-quality code that adheres to development patterns and linting rules agreed upon by the team.
  • Team Collaboration: Actively participate with the rest of the engineering team in reviewing issues, participating in discussions, and reviewing pull requests.
  • Best Practices: Actively demonstrate software engineering best practices throughout product development and maintenance.
  • Stakeholder Communication: Maintain close collaboration and effective communication with Product Manager, Lead Developer, Lead QA, team members, and other stakeholders.

3. Front End Engineer Role Purpose

  • Application Development: Build user-friendly, secure, data-rich applications within the Insurance space.
  • System Design: Build high-quality, fault-tolerant systems and products, owning all areas of implementation, front-end, back-end, CI pipeline, automated test suites, and operations.
  • Roadmap Planning: Work with the product owner and business stakeholders to define the product and tech road maps.
  • Agile Collaboration: Work closely in an agile team to support all Insurance markets.
  • Innovation: Brainstorm, design, and experiment with new approaches or solutions to meet user requirements.
  • User Experience: Create delightful Insurance experiences in collaboration with the Designer.

4. Front End Engineer Essential Functions

  • Software Development: Assists in developing, testing, deploying, and maintaining software.
  • Best Practices: Follows best practices established by the organization and participates in improvement conversations.
  • Team Contribution: Consistently helps the team achieve results, even under tough circumstances.
  • Problem Solving: Learns through successful and failed experiments when tackling new problems.
  • Self Development: Actively seeks ways to grow and be challenged using both formal and informal development channels.
  • Collaboration: Builds partnerships and works collaboratively with others to meet shared objectives.
  • Agile Processes: Collaborates with other team members in agile processes.
  • Interpersonal Skills: Relates openly and comfortably with diverse groups of people.

5. Front End Engineer Additional Details

  • Team Coordination: Work with the engineering team to deliver on the team's priorities.
  • Scrum Participation: Attend Scrum meetings - Daily Standup, Sprint Planning, Backlog refinement, etc.
  • Codebase Familiarity: Learn the code base and improve coding skills.
  • Feature Development: Design and develop product features using Angular, RestAPI, and GraphQL.
  • Test Writing: Writing Unit and Integration tests.
  • Technical Collaboration: Collaborate with Engineering Teams to understand technical requirements as well as performance, quality, accessibility, and security concerns.
  • Test Automation: Write unit testing and automation tests to ensure a higher quality of code.

6. Frontend Engineer Roles

  • Software Development: Participates in all phases of the software development cycle, including development, design, and testing through the agile scrum process.
  • Sprint Execution: Develops code through the daily scrum process within each Sprint.
  • Requirement Implementation: Translates feature requirements into actual implementation with communication with the product manager and product designer.
  • Technical Support: Provides technical support to track down reported issues in production.
  • Debugging: Tests software to ensure the code is correct, fixing (“debugging”) errors where they occur, and rerunning and rechecking the program until it produces the correct results.
  • Frontend Development: Uses languages like HTML, CSS, and JavaScript to create user-friendly web pages on desktop, mobile, and tablet devices.
  • Input Validation: Ensures that all user input is validated before submitting to QA.
  • UI Collaboration: Collaborates with back-end developers and web designers to improve usability.
  • Defect Management: Tracks and resolves functional defects of varying sizes and severity of non-core functionality.
  • Code Review: Participates in peer code reviews.
  • Code Reusability: Builds reusable code and libraries for future use.
  • UI/UX Feasibility: Ensures technical feasibility of UI/UX designs.
  • Performance Optimization: Optimizes web applications for maximum speed and scalability.
  • Release Support: Assists senior developers with operational releases and capital projects.
  • Mentorship: Mentors and supports other colleagues on the team.
  • Technical Specification: Develops detailed technical specifications based on standards and guidelines.
  • Defect Resolution: Tracks and resolves functional defects of varying sizes and severity, including core functionality.

7. Front End Engineer Tasks

  • Frontend Development: Create reactive frontends based on tech-stack (TypeScript, React, NestJs on AWS, Lambda, etc.).
  • Design Integration: Integrate designs and wireframes within the application code.
  • Code Ownership: Take responsibility for component libraries and application code.
  • UX Collaboration: Cooperate with UX/UI experts and strive to deliver intuitive and user-centered solutions.
  • Prototyping: Combine creativity with an awareness of the design elements and support prototypes for new components and product ideas.
  • Idea Testing: Test new ideas before implementing.

8. Front-End Engineer Details and Accountabilities

  • Cross-functional Collaboration: Collaborate closely with Product, Design, and QA to iterate on the design, implementation, and deployment of the product.
  • UI Development: Build reusable and scalable UI components and connect them to the backend systems.
  • Web Technologies: Work with HTML, CSS, and related web technologies.
  • Feedback Seeking: Seek different perspectives and solicit honest feedback.
  • Engineering Practices: Practice engineering best practices (e.g., automated testing, code reviews, proper monitoring).
  • User Experience: Take delight in delighting users.
  • Partner Support: Care about studio partners and want to help them grow their business.

9. Front End Engineer Overview

  • SDK Development: Expand capabilities of Mulberry.js SDK, plugins, and extensions (e.g., Shopify app).
  • Dashboard Development: Build out the next generation of partner and internal reporting dashboards.
  • API Development: Design, build, and maintain the APIs that power the Mulberry platform.
  • Partner Integration: Interface directly with partners, supporting their Mulberry integrations.
  • Documentation: Write documentation covering APIs and the product.
  • Technical Content: Create technical content/demos/sample code to demonstrate Mulberry capabilities and best practices.
  • Requirement Gathering: Work closely with product stakeholders to define requirements/specifications.

10. Front End Engineer Job Description

  • Interactive Development: Build and deliver interactive browser-based learning experiences to a high level of polish.
  • Code Quality: Collaborate with fellow Engineers to maintain a high standard of code quality.
  • Cross-functional Collaboration: Work closely with Product owners, UX/UI Designers, Learning Designers, and Project Managers throughout the project lifecycle.
  • Project Contribution: Contribute to a large variety of projects.
  • Problem Solving: Have a solutions-based mindset to issues that arise.

11. Front End Engineer Functions

  • Programming: Hands-on programming with JavaScript, TypeScript, HTML5, CSS3, jQuery.
  • SPA Development: Build Single Page Applications.
  • Responsive Design: Build high-quality responsive web applications and pages that work well across desktop and mobile platforms.
  • Performance Optimization: Optimize web pages for speed.
  • Team Collaboration: Work with a variety of LegalZoom teams, including Creative, Design, UX, Product Management, Quality, and Operations, to develop great customer experiences.
  • Code Review: Participate in peer code reviews.
  • Release Support: Support releases and coordinate with other teams.
  • Engineering Standards: Follow Engineering guidelines, best practices, standards and organizational policies.
  • Agile Participation: Take part in agile ceremonies to estimate and execute programming projects.
  • IT Support: Support the daily operations of the IT/Tech department.

12. Front End Engineer Accountabilities

  • Clinical Application Development: Build clinical applications that empower providers to deliver care to patients at the unprecedented scale of modern telemedicine.
  • Intelligence Platform: Create intelligence platforms that transfer knowledge from seasoned medical experts to an in-house clinical “brain” and medical constellation.
  • Tool Maintenance: Maintain internal tools that manage company metrics and user experience.
  • Frontend Engineering: Create beautiful, reusable components and set best practices for front-end engineering.
  • Technical Leadership: Be a leader in Galileo engineering and help define company culture and product direction.

13. Front End Engineer Job Summary

  • UI Architecture: Determine the structure and design of the application with aesthetic design and usability in mind.
  • Frontend Development: Use HTML5, CSS3, and JS to develop the features and pages of the application.
  • Mobile Optimization: Ensure web design is optimized for smartphones.
  • Code Reusability: Build reusable code for future use.
  • Performance Optimization: Optimize pages for maximum speed and scalability.
  • Integration: Work with other engineers to integrate the front and back end.
  • Brand Consistency: Maintain brand consistency throughout design.

14. Front End Engineer Responsibilities

  • Progress Tracking: Track the progress that has been made towards the wider goals of the team, and transparently communicate that progress to the team and the Technology Manager.
  • Process Adherence: Keep to the processes, standards, and designs that the team has agreed on.
  • Continuous Improvement: Ensure everyone continuously improves by proposing and then implementing new processes, designs, and engineering practices that make the team more effective.
  • Feature Definition: Contribute to the definition of product features, including in workshops with other product development teams.
  • Technical Communication: Communicate the technical work of the team to other product development teams.
  • Change Management: Take responsibility for supporting changes through to proving that they work well, and continue to work well in production.

15. Front End Engineer Details

  • Web App Development: Work on high-performance, real-time internal web apps.
  • Website Development: Work on the public website.
  • UX Collaboration: Work closely with product and design to craft the best user experience.
  • Technical Leadership: Define and drive development efforts using the latest web stacks.
  • Mentorship: Coach new joiners and peers.
  • Talent Acquisition: Assist in hiring top talent.

16. Front End Engineer Duties

  • Feature Implementation: Implement and maintain features in the presentation and voting platforms.
  • Code Quality: Pay attention to detail to ensure the quality of the code.
  • Team Collaboration: Work together with the team’s engineering lead, developers, and designers.
  • Technical Decision Making: Influence which tools, programming languages, and technologies to work with and which features to implement.
  • Test Automation: Write automated unit and browser tests.

17. Front End Engineer Roles and Details

  • System Design: Deliver high-quality systems and features for customers by translating the complex functional and technical requirements into detailed architecture and design, and implementing critical parts of it.
  • UI Development: Work closely with senior engineers, UX designers, and product managers to develop friendly UI experiences.
  • Technical Architecture: Work closely with engineers to architect and develop the best technical design.
  • Global Deployment: Be responsible for services that can be deployed globally, delivering an exceptional customer experience.
  • Mentorship: Be responsible for the career development of junior engineers.

18. Senior Front End Engineer Responsibilities and Key Tasks

  • Frontend Development: Improve and expand custom internal-facing web-based analytics applications.
  • Full-Stack Development: Involved in everything from requirements gathering, data investigation/manipulation, prototyping, development, and operations.
  • Frontend Optimization: Focus on improving, scaling, and innovating on the front-end.
  • UI/UX Design: Design and implement innovative and intuitive multi-visual interfaces and features that enable the business to craft compelling narratives around their data and quickly diagnose when things go awry.
  • Data Visualization: Make data and insights easy to consume.
  • Performance Engineering: Develop performant and scalable code, while maintaining a foremost focus on delivering rapid business value.
  • Cross-functional Collaboration: Collaborate with analysts, domain experts, and decision-makers to develop data-driven solutions that meet the needs of the business.
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