Top Senior Javascript Jobs in Houston, TX

Develop and maintain full-stack web applications, database solutions, ETL pipelines, reporting frameworks, and system integrations. Responsibilities include writing C# and T-SQL code, developing Angular applications and SSRS reports, testing and optimizing software, documenting data lineage, troubleshooting issues, and translating business requirements into scalable technical solutions within an Agile environment.

Designs and supports secure integrations and automation services connecting Power Platform, Azure, SharePoint, enterprise systems, flat files, and external partners. Builds Azure Functions, Logic Apps, custom connectors, data transformations, error-handling workflows, monitoring, alerts, and automated tests. Responsibilities include secure authentication, encryption, secrets management, least-privilege access, legacy Java component modernization, production troubleshooting, observability, and integration support documentation.

Design, build, and maintain cloud-hosted SaaS platforms and deployment artifacts. Own Helm charts, containers, IaC, CI/CD pipelines, and serverless components. Ensure scalable, secure Kubernetes/OpenShift deployments, monitor performance, troubleshoot production issues, and collaborate with platform, security, and infrastructure teams.

Leads and mentors the AgentMate application development team while remaining hands-on with C#/.NET development. Owns engineering execution, application security, PCI compliance, reliability, quality, observability, technical debt, and production support. Partners with Product, Delivery, Infrastructure, Security, QA, and business stakeholders to deliver secure, scalable applications. Responsibilities include architecture and coding, threat modeling, vulnerability remediation, CI/CD improvements, incident resolution, technical planning, documentation, hiring, and team development.

Design, implement, and maintain partner integration solutions; translate partner requirements into scalable technical implementations; troubleshoot and automate fixes; collaborate with product and engineering teams to improve tools and ensure successful partner onboarding and launches.

Develop and expand Laravel/PHP backend and Vue.js frontend applications for Relocity’s global mobility platform. Responsibilities include architecture, implementation, testing, code reviews, debugging, documentation, REST API development, database optimization, and troubleshooting. The engineer will own complex technical problems, collaborate with Product and Design, apply product and user-experience thinking, and use AI-enabled development tools to accelerate software delivery.

Build and deliver full-stack features for a web-based broker platform, collaborate with product and design, manage technical debt, shape architecture for scalability, participate in code reviews, and adopt AI-powered developer tools.

Designs and implements Kong-based API and AI connectivity solutions for enterprise customers across cloud, hybrid, and on-premises environments. Builds production-grade code, automation frameworks, migration tools, integrations, CI/CD pipelines, Kubernetes automation, and infrastructure tooling. Leads API gateway and service mesh migrations, solves complex customer engineering challenges, develops reusable technical assets, and collaborates with product and engineering teams to influence roadmap priorities.

Build and maintain Mozilla’s Internal Developer Infrastructure Platform, including CI/CD, observability, Kubernetes optimization, environment bootstrapping, and cloud cost optimization. Support development teams, guide technical decisions, create platform features and agentic workflows, improve developer productivity, and promote maintainable engineering practices. The role also requires cross-functional collaboration, technical leadership, proposal writing, and resolving ambiguous infrastructure challenges.

Designs and implements scalable software architecture and web-based systems using Java EE and related technologies. Responsibilities include developing front-end and backend functionality, evaluating tools and designs, troubleshooting, conducting root-cause analysis, collaborating with QA and project teams, participating in code reviews, documenting solutions, mentoring engineers, and serving as a technical lead across multiple projects.

Develops modern, responsive, accessible front-end interfaces, reusable component libraries, templates, and interactive features for federal and DoD-aligned IT environments. Collaborates with UX, backend, CMS, and product teams on API integrations, performance optimization, accessibility compliance, cross-browser troubleshooting, documentation, code reviews, and Agile delivery. Requires an active Secret clearance, bachelor’s degree, and at least seven years of front-end development experience.

Develop and maintain responsive front-end interfaces for federal and DoD-aligned digital properties. Responsibilities include UI and CSS updates, Section 508/WCAG accessibility improvements, content-driven template and component changes, cross-browser testing, performance optimization, design system support, code reviews, and deployment validation. The developer collaborates with UX, design, content, and backend teams while following enterprise brand, security, documentation, and version-control standards.

Develop, modernize, test, integrate, deploy, and maintain secure enterprise web applications supporting Department of Defense missions. Build Oracle APEX applications, PL/SQL database solutions, RESTful APIs, and cloud-hosted services. Collaborate on DevSecOps, CI/CD, cybersecurity compliance, vulnerability remediation, testing, performance, and production support. Participate in Agile ceremonies and work with technical teams and Government stakeholders to deliver accessible, reliable digital services.

Develop and maintain secure enterprise web applications supporting Department of Defense missions. Build Oracle APEX applications, SQL and PL/SQL database solutions, RESTful APIs, and cloud-hosted services in AWS or Azure. Support modernization, DevSecOps, CI/CD, testing, vulnerability remediation, performance, and production operations. Collaborate with technical teams, product owners, and government stakeholders in Agile delivery while meeting RMF, NIST, Zero Trust, accessibility, and compliance requirements.

Develop responsive, accessible enterprise user interfaces using HTML, CSS, and JavaScript. Build interactive components, translate UX designs into production code, integrate APIs, ensure WCAG and Section 508 compliance, troubleshoot cross-browser issues, optimize performance, and support component libraries. Collaborate with designers, backend engineers, analysts, and product owners in Agile environments while documenting standards and implementations.

Build scalable AI-enabled test automation frameworks for web applications, backend services, data layers, and AI/GenAI features. Generate tests with AI, validate prompts and model outputs, monitor production performance, and implement CI/CD quality gates. Conduct accessibility, load, and performance testing; analyze model drift and data issues; and improve system architecture and reliability. Collaborate with data scientists, engineers, and product managers while mentoring QE team members and ensuring zero escaped defects.

Build and maintain scalable web and mobile applications across the full software development lifecycle. Own front-end and back-end development, design API infrastructure, integrate internal and third-party services, and deploy end-to-end solutions. Collaborate with product, design, engineering, vendors, and business stakeholders to solve operational challenges. Mentor engineers, communicate technical direction, and deliver high-performing, customer-focused products.

As a Fullstack Engineer, you'll drive user growth through performance-focused web experiences, leading frontend projects, and optimizing conversion funnels.

Lead and grow a frontend platform team owning Zocdoc's accessible React component library and design system. Define roadmap and technical strategy, drive adoption across web and mobile, institutionalize accessibility and quality, mentor engineers, partner with UX/Product/Analytics, and deliver platform improvements that speed frontend and mobile development.

Work full-stack on a small mobile-focused engineering team building a product-first React Native app. Contribute to product ideation, UX, analytics, and deliver features across frontend and backend (GraphQL, PostgreSQL). Report to Head of Engineering and collaborate on technical decisions, pair-program, and help shape product strategy in a fast-paced startup.

Build scalable full-stack enterprise applications for federal healthcare clients using React, Node.js, REST APIs, microservices, and NoSQL data stores. Design user-focused architectures, develop reusable components, support test-driven development, prototype solutions, optimize accessibility and performance, collaborate across agile teams, explain technical solutions to stakeholders, and mentor team members. The role requires eligibility for a U.S. Federal Position of Trust clearance and extensive modern web development experience.

Drive quality assurance for web features from technical handoff through production release. Responsibilities include test planning, test case creation, functional and exploratory testing, regression, UI/UX, cross-browser, responsive, API, and end-to-end testing. Support releases through build validation and monitoring, document and review tests, collaborate with product and engineering teams, improve QA metrics, and optionally contribute to test automation.

Senior iOS Developer to design and build secure, high-performance iOS apps using Swift (SwiftUI/UIKit). Implement webview integrations (WKWebView/ASWeb), ASWebAuthenticationSession for OAuth/SSO, JavaScript interop, and native features (camera, push, maps). Ensure responsive web content handling and secure data management. Remote role but must be Bangalore-based with weekly (~1 hour) client office visit to collect a device.

Lead frontend architecture and development for an AI-powered voice platform. Build responsive dashboards and reusable components, integrate real-time WebSocket and WebRTC voice capabilities, consume AI backend APIs, manage complex application state, and optimize performance, accessibility, and reliability. Mentor frontend developers, establish coding standards, collaborate with designers and backend teams, and develop prototypes, testing strategies, and production-ready interfaces.

Develop and maintain modern, data-driven full-stack .NET web applications using C#, ASP.NET MVC, Oracle SQL, PL/SQL, and Oracle APEX. Responsibilities include architecture, coding, testing, integrations, troubleshooting, root-cause analysis, performance improvements, source control, documentation, and solution design. The role collaborates with internal customers, supports process improvements, and follows software development standards.