Top Javascript Jobs in Baltimore, MD

Develop and extend policy-driven classification and M365 web tools using JavaScript/TypeScript and Node.js. Participate in full software lifecycle: requirements elicitation, design, implementation, testing, documentation, code reviews, and customer support. Use AWS, Docker, Git/GitLab, Jest, and Cypress; follow team coding standards and troubleshoot production issues.

Seeking a Full-Stack JavaScript Developer to build web applications, test software systems, and ensure software quality in a collaborative remote environment.

Onsite JavaScript developer responsible for fixing Cross-Site Scripting issues, understanding third-party JavaScript communication, ensuring cross-browser compatibility, debugging across platforms/devices, performance tuning across networks/countries, and writing/using JavaScript unit tests.

Join Customizo as a Junior JavaScript Developer to begin your training as a ServiceNow Developer. You will learn through certification courses, mentorship, and project collaboration, while developing and optimizing solutions integrated with ServiceNow.

The Senior Full Stack JavaScript Developer will build and maintain user interfaces using React and Next.js, integrate with Node.js backends, and guide other developers. Responsibilities include ensuring accessibility, performance, and reliability of features, engaging in code reviews, and collaborating closely with product teams.

Senior full-stack software engineer (backend-focused) to design and build backend web services that capture, track, manage, enrich, broker, and report metadata for mission analytic workflows. Requires functional UI experience, integration of open-source tools, and support of mission-critical government systems.

Architect, develop, maintain, and enhance full-stack software systems across the SDLC. Deliver scalable, high-performance solutions for analytics, large data sets, and real-time systems. Collaborate with stakeholders, design modular reusable components, optimize performance, and mentor developers while supporting sustainment and customer-focused delivery.

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 build full-stack applications that expose AI/ML insights. Develop backend services in Python, RESTful APIs, and containerized microservices. Build high-performance front-end interfaces with React/Vue/Angular. Implement cloud-native solutions on Google Cloud or Azure, manage relational and NoSQL databases, apply testing and CI/CD, and participate in Agile development and architecture sessions.

Mid-level (senior-level by experience) software engineer to develop mission-supporting solutions. Requires active Top Secret/SCI with polygraph, strong experience with Grafana, Bash, Python, and JavaScript, and at least eight years of SWE experience or equivalent education/experience substitution. Direct-hire only.

Full-stack software engineer to build and maintain web services and applications supporting a national security mission. Work includes backend and frontend development, REST APIs, containerized deployments, and daily engineering tasks to deliver production-quality software.

Design, develop, and maintain scalable automated UI and API tests using Cypress. Execute test suites, analyze failures, document defects, and integrate tests into CI/CD pipelines. Collaborate with Agile cross-functional teams to validate features, ensure test coverage, and support modernization of authoring and dissemination tools.

Senior full‑stack engineer responsible for building backend services (Node.js/TypeScript) and integrating with frontends (React/Vue). Ship production APIs, collaborate cross‑functionally, own delivery, mentor peers, and develop modular, testable, performant systems across diverse greenfield projects.

Design, develop, test, and document classification‑marking and access‑control software for mission systems and M365 apps. Implement features, extend validation tools, create unit and functional tests, Dockerize applications, use AWS and GitLab CI, troubleshoot issues, conduct code reviews, and collaborate with customers and teammates throughout the software lifecycle.

Build and maintain cloud- and browser-based AI and automation applications (internal and customer-facing). Integrate with third-party APIs (QuickBooks, Microsoft Graph, CRM, Zoom), implement AI workflows (OpenAI), automate business processes (Zoho, PowerAutomate), and ensure security and maintainability while working closely with leadership and IT.

Develop and improve a software system, utilizing modern frameworks and patterns while collaborating in a team environment. Requires API and data handling expertise.

Seeking a Node.js Expert with extensive development experience, RESTful web services knowledge, and Agile methodologies. Responsibilities include technical direction, hands on software development, and problem resolution.

Build end-to-end features in a JS/TS stack, designing scalable backend services and responsive real-time frontends. Improve observability, performance, and reliability, collaborate with product/design, and own full-stack implementation from APIs and data models to UI.

As a Senior Software Engineer at Flex, you'll design and maintain financial services architecture, mentor junior engineers, and ensure scalability and security for innovative financial products.

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

Design and develop scalable backend systems for SaaS applications, mentor engineers, and lead projects while collaborating with cross-functional teams.

Develop and deploy web-based visualization components, support application modernization, collaborate with teams, and provide technical leadership in software engineering.

Seeking exceptional software engineers to build and maintain user-friendly backend systems primarily in Clojure and JavaScript, focusing on product complexities and user experience.

Join a small team to improve a tech product aimed at upskilling users in MENA, working with JavaScript and Node.js in a collaborative remote environment.

Develop and implement features by building backend APIs and frontend code, lead projects, and collaborate with teams to solve user problems.