WHAT DOES A WEB DEVELOPER DO?
Published: Dec 29, 2025 - The Web Developer delivers responsive websites and web applications by translating business requirements and design concepts into functional digital solutions. This role builds secure and maintainable systems through clean coding practices, CMS management, API integration, and database development. The developer also improves performance, accessibility, and reliability through testing, debugging, code reviews, and continuous optimization.
A Review of Professional Skills and Functions for Web Developer
1. Web Developer Duties
- Web Development: Create a website layout and UI by using standard HTML, CSS, JS, Liquid, and PHP practices.
- Ecommerce Management: Handle all aspects of eCommerce, including development and digital campaign implementation.
- System Integration: Lead the integration, management, and customization of eCommerce and ERP integrations.
- Data Integration: Integrate data from various back-end services and databases.
- Project Management: Manage a new project from scratch and lead it until it goes live.
- User Experience: Execute the best site experience and UI design.
- UI Development: Perform UI coding, create reusable objects and templates, and wireframes for web pages and email templates, as well as manage maintenance, updates, expansions, and scaling of each design.
- Planning Management: Develop and maintain detailed project plans and timelines to ensure a high-quality experience on small and large-scale projects.
- Design Innovation: Excel at the creation of innovative and sophisticated designs, as well as collaborative problem-solving.
- Design Collaboration: Work with designers to match visual design intent.
- Hosting Management: Manage web hosting, domains, and SSL certificates.
- Solution Research: Research and develop long-lasting solutions that are highly efficient for the business.
2. Web Developer Details
- Site Functionality: Responsible for key site functionality and input into new technical design.
- Coding Standards: Understand and practice coding standards, and recommend and implement new technologies as opportunities arise.
- Stakeholder Engagement: Engage with stakeholders to further detail initial requirements.
- Code Review: Conduct code reviews and support other team members' work.
- Quality Delivery: Deliver code that is well tested and consistently error-free.
- Team Collaboration: Be part of a team of software developers and testers responsible for developing and supporting robust and innovative software solutions.
- Technology Updates: Keep up to date with the latest software development technologies and methodologies.
- Requirements Analysis: Interpret business requirements and build them into working solutions.
3. Senior Web Developer Responsibilities
- Application Development: Utilize knowledge of application development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing and interpreting code.
- Technical Consulting: Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems.
- Programming Knowledge: Apply fundamental knowledge of programming languages for design specifications.
- Security Testing: Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging.
- Team Coaching: Serve as an advisor or coach to new or lower-level analysts.
- Problem Solving: Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions.
- Issue Resolution: Resolve issues by identifying and selecting solutions through the application of acquired technical experience and guided by precedents.
- Risk Assessment: Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients, and assets.
- Compliance Management: Drive compliance with applicable laws, rules, and regulations, adhering to policy, applying sound ethical judgment regarding personal behavior, conduct, and business practices, and escalating, managing, and reporting control issues with transparency.
4. Web Developer Accountabilities
- Object Programming: Develops software components that require knowledge of Object-Oriented Programming and related technologies.
- Software Testing: Code, test, and debug existing programs and programs in development.
- Technical Documentation: Assist in preparing documentation of software design.
- Knowledge Sharing: Participate in knowledge-sharing activities with colleagues.
- Web Integration: Support requirement analysis, web development, and software integration.
- Web Analysis: Perform studies and analyses, provide advisory services, and develop recommendations and proposals in the area of web technology.
- User Consulting: Consult with users to define their web-based business requirements or problem areas and use technical expertise to provide solutions.
- Application Integration: Evaluate and integrate Government and Commercial web-based off-the-shelf applications to satisfy user requirements.
- Development Methodology: Follow formal web development methodologies, adhering to design specifications, design techniques, standards, and established development guidelines.
- Web Documentation: Develop, test, and maintain technical web documentation to assist in application maintenance and deployment.
- Web Advisory: Perform studies and analyses, provide advisory services, and develop recommendations and proposals in the area of web technology.
- Agile Support: Adhere and support AGILE process-based development.
5. Web Developer Functions
- Product Engineering: Design and develop highly reliable, scalable, extensible, maintainable, global, and operable products and platforms.
- Design Documentation: Draft and review design diagrams, interface specifications, class structures, and other design documents.
- System Architecture: Build systems that balance resources, constraints, requirements, and complexity.
- Technology Advocacy: Evangelize technologies, solutions, and best practices developed within the organization.
- Engineering Network: Participate in a network of engineers to share ideas, practices, and experiences.
- Cross Teamwork: Work closely with product management and development teams.
- Technical Analysis: Support the technical design process by participating in the analysis of the technical application.
- Requirements Assessment: Assist in implementing post-analysis to identify requirements related to people, processes, and technology.
- Web Application: Build and implement web applications specific to building sites with desktop and mobile responsive usage.
- Micro Frontend: Work with a micro-frontend and microservices architect and have the opportunity to learn with other developers.
- Cloud Deployment: Develop and deploy a web application using the cloud platform AWS.