Mid-level Full Stack Developer, Typescript

🔥 0 minutes ago

🏛️ District of Columbia, Maryland, +1 more states – Remote

🏛️ District of Columbia – Remote 🦀 Maryland – Remote ⚔️ Virginia – Remote

💵 $87.1k - $157.4k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

💻 Frontend Engineer / Web Developer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

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Leidos

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1969

🔒 Cybersecurity

🔬 Science

Defense • Cybersecurity • Science

Leidos is a leading systems integrator in science, technology, and engineering, providing solutions that transform and enable the missions of its customers. The company operates across various markets, including aviation, defense, energy, government, healthcare, intelligence, science, and space. Leidos is involved in AI, digital modernization, cyber operations, and integrated and mission software systems. With a commitment to diversity, equity, inclusion, and sustainability, Leidos also engages in charitable efforts and community enrichment programs. Additionally, it contributes to developing solutions for counter-unmanned aerial systems and electric vehicle infrastructure for military applications.

📋 Description

• Design, develop, test, and deploy full-stack web applications using modern JavaScript/TypeScript frameworks (React, Angular, Node.js) across the frontend and backend. • Build and maintain RESTful APIs and serverless/microservice components that are secure, performant, and well-documented. • Develop responsive, user-friendly, and visually compelling interfaces following UX/UI best practices and accessibility standards (Section 508 compliance). • Build and maintain Azure Static Web Apps and integrate with headless CMS platforms (e.g., Payload, Contentful, Strapi, Sanity, Sitecore, or similar) to power content-driven experiences. • Implement and follow GitHub Flow branching strategies and GitOps practices for reliable, traceable deployments. • Leverage GitHub Copilot to accelerate development while maintaining code quality and ownership. • Use GitHub Codespaces for consistent, cloud-based development environments across the team. • Integrate and act on findings from GitHub Advanced Security (CodeQL, secret scanning, Dependabot) to keep applications secure by default. • Participate in code reviews, providing constructive feedback and learning from peers. • Work with relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, Redis) databases — designing schemas, writing efficient queries, and optimizing performance. • Collaborate in an Agile/Scrum environment, contributing to sprint planning, stand-ups, and retrospectives. • Troubleshoot, debug, and resolve production issues across the full stack. • Contribute to CI/CD pipelines (GitHub Actions) and participate in deployment activities. • Mentor junior developers and share knowledge through documentation and tech talks.

🎯 Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). • Minimum of 4 years of professional software development experience. • Strong proficiency in JavaScript (ES6+) and TypeScript across both frontend and backend (Node.js). • Hands-on experience with at least one modern frontend framework: React or Angular. • Solid understanding of HTML5, CSS3, and modern responsive design techniques. • Design-heavy experience with a portfolio of public-facing sites that demonstrates strong visual design sensibility, attention to detail, and user-centered thinking. • Experience designing and consuming RESTful APIs; familiarity with JSON and HTTP standards. • Proficiency with SQL and experience with relational databases (PostgreSQL or MySQL). • Experience with Git and GitHub Flow workflows on GitHub. • Understanding of Agile methodologies and tools (Jira, Confluence).

🏖️ Benefits

• competitive compensation • Health and Wellness programs • Income Protection • Paid Leave • Retirement