Top Senior Javascript Jobs in Houston, TX

Develop enterprise blockchain applications, smart contracts, decentralized applications, APIs, tokenization platforms, wallet integrations, and blockchain backend services. Build scalable microservices using .NET, Java, or Node.js; integrate Ethereum and other blockchain platforms; optimize and audit smart contracts; deploy cloud infrastructure on Azure or AWS; and troubleshoot production blockchain systems. Collaborate with architects, security, DevOps, and product teams on secure, high-volume distributed solutions.

Develop and maintain enterprise AEM experiences across Sites, Assets, and Cloud Service. Build Java-based OSGi services, Sling models, servlets, HTL front ends, Content Fragment and GraphQL solutions, workflows, integrations, and CI/CD pipelines. Optimize performance, Dispatcher configuration, personalization, and deployments while troubleshooting production environments. Collaborate with authors, designers, product owners, and infrastructure teams to deliver maintainable, high-quality digital experiences.

Build and maintain enterprise digital experiences using Sitecore XP, XM Cloud, and Content Hub. Develop backend C#/.NET services, front-end applications, content models, integrations, and headless implementations with JSS or Next.js. Support CI/CD deployments, platform upgrades, legacy migrations, troubleshooting, and performance tuning while collaborating with editors, marketers, and stakeholders across enterprise and composable Sitecore environments.

Owns end-to-end enterprise application architecture for secure, scalable court-record systems. Responsibilities include designing microservices, REST APIs, micro-frontends, cloud and hybrid-cloud solutions, authentication frameworks, workflows, and integrations; leading architectural reviews, code reviews, DevSecOps and CI/CD initiatives; mentoring technical teams; evaluating technologies; and ensuring security, compliance, accessibility, and governance standards.

Leads and develops a software engineering team while contributing hands-on to enterprise application design, coding, testing, code reviews, production support, and technical decisions. Builds scalable solutions using C#, ASP.NET, SQL Server, and modern web technologies; partners with product and business stakeholders; supports Agile delivery, CI/CD, troubleshooting, root cause analysis, and engineering best practices. The role also includes mentoring engineers, monitoring delivery and operational metrics, and driving continuous improvement.

Develops, modernizes, integrates, tests, documents, and sustains software systems for NAVSUP BSC. Responsibilities include Java and .NET application development, secure coding, debugging, database integration, cybersecurity testing, CI/CD automation, artifact management, cloud-native infrastructure, technical documentation, production support, and quality audits. The role collaborates with engineering, security, operations, and customer teams while supporting Agile development and Navy security standards.

Maintain and support Java-based healthcare SaaS applications across multiple customer environments. Responsibilities include bug fixes, feature delivery, refactoring, deployments, security remediation, SQL and data migrations, code reviews, configuration improvements, and production support. The role requires a generalist software engineer comfortable with Java, Angular, SQL, REST APIs, enterprise applications, and customer-facing environments.

Design, implement, debug, and ship features for Azure Storage front end at cloud scale. Drive design, dependency identification, automation, reliability, observability, and on-call incident response while collaborating with stakeholders and mentoring engineers.

Full‑stack staff engineer to ship web products end-to-end, iterate on and expand a suite of sales/CRM-focused tools, define engineering culture and best practices, and hire/mentor future engineers. Must move fast in a small team, engage with users, and solve new problems creatively.

Design, build, and optimize scalable cloud and web software with focus on infrastructure, performance, and hardware integration for IoT devices. Collaborate with hardware teams to ensure connectivity and high availability, implement new features, and improve system efficiency.

Design, develop, customize and maintain enterprise Sitecore solutions (versions 9/10, SXA, JSS, XM Cloud). Produce technical specs, implement components, test and debug in test and production, support teammates, perform demos to customers, and escalate/resolve issues.

Build scalable Kubernetes-based Azure Arc platform capabilities for hybrid cloud, datacenter, and edge environments. Develop and operate KubeVirt and KVM virtualization platforms, create distributed systems and RESTful services, and contribute to design, coding, estimation, monitoring, reliability, observability, and on-call operations. Collaborate with Microsoft partner teams and the open-source community to deliver cloud-native infrastructure at scale.

Design and develop foundational PostgreSQL and DocumentDB engine features for large-scale document workloads. Responsibilities include database indexing, query engine extensions, BSON-aware operators, index pruning, distributed-system performance analysis, and storage-layer optimization. Collaborate with open-source PostgreSQL, MongoDB, and DocumentDB communities, contribute to roadmap planning, and participate in design and code reviews.

Develop and optimize Firefox performance across Windows, Android, Linux, and macOS. Write code, tests, prototypes, and performance tooling; profile and resolve bottlenecks; improve benchmarks; and collaborate with engineering teams. The role also involves setting performance strategy, educating engineers, driving cross-functional goals, and contributing to Firefox’s open-source development.

Designs and delivers scalable, resilient, cloud-native infrastructure services for Azure Virtual Machine Scale Sets. Responsibilities include gathering requirements, creating design documents, writing maintainable code, estimating work, monitoring services, responding to incidents, and improving availability, reliability, observability, efficiency, and performance at hyperscale.

Design, build, test, deploy, and operate scalable, secure Azure networking software and automation tools. Act as DRI, monitor production, troubleshoot incidents, run root-cause analysis, and drive reliability, performance, and cost improvements. Collaborate with PMs and architects, participate in design/code reviews, mentor engineers, and champion security, privacy, and compliance.

Design, develop, and operate highly scalable and resilient Azure VM Scale Set cloud services. Own features from architecture through deployment and operations, solve distributed-systems challenges at hyperscale, and drive reliability, security, performance, disaster recovery, testing, monitoring, automation, and engineering best practices. Collaborate across teams to deliver platform capabilities and customer outcomes.

Senior Full Stack Engineer building scalable, high-performance web applications. Own feature design through delivery, write clean reusable code, optimize databases, work with CI/CD, containers, cloud, distributed systems, mentor teammates, and maintain zero customer-reported bugs.

Designs, develops, tests, and maintains full-stack web applications, including front-end components, back-end services, APIs, servers, and databases. Builds scalable applications handling large datasets, supports architecture and database optimization, resolves complex defects, and ensures application quality and security. Participates in code reviews, planning, and releases while mentoring junior developers. The role also involves converting a complex 4D application to ASP.NET MVC 5 and integrating it with existing systems.

Own and lead the automated QA practice across web applications, defining testing strategy, coverage, release gates, test data, and quality metrics. Build Playwright-based E2E and API test suites, integrate testing into CI/CD, establish performance testing, reduce flakiness, and create workflow automations. Partner with engineering leadership, coach developers on testability, perform exploratory testing, diagnose failures, and provide release-readiness recommendations.

Designs, builds, scales, and operates distributed CI/CD services supporting millions of builds, tests, and releases. Develops code for Azure-based infrastructure spanning virtual machines, containers, and custom lab environments. Responsibilities include requirements analysis, architecture and design documentation, estimation, debugging, optimization, operational playbooks, on-call incident response, monitoring, reliability improvements, and mentoring engineers.

Develop and maintain scalable Salesforce solutions using Apex, triggers, asynchronous operations, SOQL/SOSL, and Lightning Web Components. Build REST and SOAP integrations, translate business requirements into secure architectures, troubleshoot Salesforce applications, and collaborate with admins, architects, and stakeholders. Apply version control, deployment, testing, and Salesforce best practices while staying current with platform releases.

Build and maintain full-stack software for startup clients, including backend services, frontend experiences, new features, redesigns, bug fixes, and product improvements. Collaborate daily with product managers, designers, and engineers in a distributed, agile environment. Take ownership across the technology stack, write clean maintainable code, contribute to client missions, and support team growth and knowledge sharing.

Build and maintain AWS-based DevOps infrastructure, CI/CD pipelines, containerized microservices, and Infrastructure as Code. Improve observability, resilience, security, compliance, and scalability through monitoring, vulnerability management, system hardening, and performance testing. Collaborate with development teams to resolve outages, contribute to architecture and software development, review code, document systems, mentor engineers, and participate in Agile ceremonies and on-call support.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.