Top Web Developer Jobs in Los Angeles, CA

The Senior Web Analytics Developer will manage web data collection, ensure data quality, and provide insights for decision-making, collaborating with multiple teams to improve user experience and conversion performance.

Work on front-end and back-end web projects: create and redesign websites, build sitemaps and wireframes, collaborate with teams, and focus on UI/UX and performant back-end functionality.

Build and operate large-scale distributed web crawlers that discover, fetch, extract, deduplicate, and recrawl billions of pages. Develop targeted pipelines for audio, video, and multilingual data, transforming web content into training-ready datasets. Create infrastructure and tooling for researchers to request, monitor, evaluate, and explore crawled data, while ensuring reliability, efficiency, compliance, politeness, and rate-limit handling.

Build and operate accessible, high-performance member-facing web applications using a front-end-first full-stack approach. Contribute to APIs, backend services, data flows, integrations, frontend architecture, testing, observability, and performance improvements. Own projects from concept through production, collaborate with Product, Design, Data, and Clinical teams, improve developer experience, support AI-assisted coding practices, participate in technical reviews and incident follow-up, and mentor engineers.

Serve as the senior software development SME while performing full-stack Java web development and O&M activities. Guide developer teams, prioritize work, coordinate technical meetings, resolve issues, optimize processes, analyze requirements, estimate effort, review code, conduct testing, troubleshoot environments, create technical documentation, and implement software updates. The role requires extensive J2EE experience, SPA development, DevOps and CI/CD expertise, and active Public Trust/MBI clearance supporting an IRS Criminal Investigation system.

Lead technical direction of Ground News web properties to drive subscriber conversion. Own architecture, experimentation infrastructure, migrations (marketing-tech), performance, accessibility, SEO, Core Web Vitals, safe rollout practices, and enable non-engineers to run experiments without engineering support.

Own architecture, development, and reliability of ecommerce web applications (Symfony storefront and Laravel back-office). Lead front-end JavaScript/CSS direction, optimize SQL schemas/queries, improve observability and incident response, reduce legacy technical debt, establish AI-assisted development workflows, mentor engineers, and drive end-to-end delivery of scalable customer-facing features.

The role involves leading frontend development, maintaining UI components, overseeing CI/CD pipelines, mentoring engineers, and enhancing application performance in collaboration with cross-functional teams.

Design, build, test, and maintain scalable web applications. Create responsive UIs with Angular or React (TypeScript), implement Python/Flask backends and RESTful APIs, design relational schemas, troubleshoot production issues, perform code reviews, and mentor junior developers.

The Ruby Engineer will focus on web scraping and browser automation, fix code issues promptly, support customers, and enhance search engine integrations.

The Product Engineer II identifies requirements for web services, manages product backlogs, evaluates service usage, and communicates development plans, cooperating with stakeholders and product management.

The Senior Product Engineer will oversee the development of ArcGIS web services, ensuring reliability and scalability while balancing customer needs and product goals.

The role involves leading the development of a high-performance Web SDK for fraud detection and risk management, implementing algorithms for device fingerprinting, and ensuring security and performance optimization.

Design and implement frontend applications using JS, CSS, React, and Flutter. Collaborate on technical specs and contribute to documentation, ensuring user experience and performance.

This role involves developing features for the Backpack Wallet, optimizing performance, and managing projects from start to finish.

Build, design, maintain, and update websites and software applications supporting global language development and Bible translation work. Responsibilities include writing web content, developing with HTML, CSS, JavaScript, APIs, and WordPress, improving SEO, analyzing requirements, supporting users, documenting website management processes, and contributing to product roadmaps. The role requires independent and collaborative work, with travel to development-team meetings and language technology conferences.

Develop and support interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and front-end technologies. Responsibilities include building UI/UX components, reviewing requirements and designs, integrating REST APIs and data formats, improving application performance and scalability, documenting changes, participating in code reviews, and collaborating with technical teams. The role is remote, supports a Washington, DC customer, and requires Public Trust clearance and U.S. citizenship.

Leads end-to-end development of high-scale Yahoo Mail web features, from architecture and implementation through deployment, monitoring, and maintenance. Uses AI-assisted development tools while validating code for security, performance, accessibility, and correctness. Collaborates with product and UX teams, conducts code reviews, mentors engineers, and improves software lifecycle efficiency through automated workflows.

Develop, maintain, and test the StreamCaster radio web interface and network management software. Build applications running on Silvus radios, ensure mobile-friendly UI, and support testing and demonstrations. Position is hybrid (minimum 3 days onsite in West Los Angeles) and requires U.S. Person status and successful background/drug screening.

This role involves building and maintaining the SAN.com web ecosystem, enhancing product features, improving CI/CD processes, collaborating across teams, and focusing on user experience.

Design and develop web applications and GIS solutions, integrate data, lead projects, mentor junior developers, and participate in stakeholder meetings.

Assist the design and development team to convert designer layouts into XHTML/CSS themes, build reusable web tools, work with CMS and databases, collaborate on specifications, and test and deploy web features while contributing ideas and staying current with web technologies.

Student internship supporting design and development of websites: convert designs to CSS/XHTML, collaborate with designers and PMs, recommend architectures, work with databases and CMS, contribute reusable web tools, and stay current with emerging web technologies.

Work with project managers, designers and developers to convert designs into XHTML/CSS themes, develop web code (PHP/ASP/JSP), manage relational databases (MySQL/MSSQL/Oracle), recommend architectures, test sites, contribute to a CMS community, and build reusable web tools. Internship requires 2-3 days/week commitment and offers mentorship and on-the-job training.

Implement approved designs into responsive web templates using HTML5, CSS, Bootstrap and JavaScript. Maintain EPiServer CMS content, build email templates, craft A/B tests (Optimizely), integrate vendor APIs, and collaborate with designers. Track work in Trello/JIRA and follow SEO, performance, security, and accessibility best practices.