Leidos

Software Engineer Expert

Leidos
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4 days ago
Chantilly, VA, USASenior
H1B sponsor

Base Salary

$131k - $237k/yr

Responsibilities

  • Develop, enhance, and maintain enterprise web applications using Angular and TypeScript.
  • Design, implement, and maintain RESTful APIs and backend services using NestJS and Node.js.
  • Develop and optimize database queries, schemas, and integrations using MySQL.
  • Support application functionality in the Identity, Credential, and Access Management domain.
  • Develop integrations among enterprise applications, APIs, and supporting services.
  • Troubleshoot and resolve issues across frontend, backend, and database components.
  • Collaborate with developers, architects, technical leads, and stakeholders to translate requirements into software solutions.
  • Participate in code reviews, testing, debugging, and technical design discussions.
  • Apply secure coding practices and support application security, performance, and reliability.
  • Contribute to modernization and improvement of enterprise applications and services.

Requirements

  • Bachelor’s degree and 12+ years of relevant experience, with additional experience accepted in lieu of a degree.
  • Proficiency in TypeScript and JavaScript.
  • Experience with Angular or comparable modern frontend frameworks.
  • Experience developing backend services with Node.js, preferably NestJS.
  • Experience designing, developing, and integrating RESTful APIs.
  • Working knowledge of SQL and relational databases, preferably MySQL.
  • Familiarity with Git and collaborative development workflows.
  • Understanding of software development principles, application architecture, and secure coding practices.
  • Strong troubleshooting, analytical, and problem-solving skills.
  • Ability to work collaboratively within a technical team.
  • Active TS/SCI with Polygraph.
  • Preferred qualifications include Angular, NestJS, and MySQL experience; large-scale enterprise or API architecture experience; ICAM knowledge; OAuth 2.0, OpenID Connect, and SAML familiarity; Java experience; Docker and Kubernetes experience; AWS or other cloud experience; CI/CD and automated deployment experience; automated testing and monitoring experience; and Agile development experience.

Benefits

  • The stated pay range is $131,300.00–$237,350.00 per year.
Leidos

About Leidos

10,000+ employees

Leidos builds and operates technology and engineering solutions for defense, intelligence, civil, and health agencies, including systems integration, cyber, enterprise IT, sensors, and healthcare IT. It primarily sells through government contracts and long-term programs, plus managed services and mission software. Founded in 1969 and headquartered in Reston, Virginia, Leidos is a Fortune 500 public company on the NYSE; customers include U.S. defense and intelligence agencies and civil bodies such as the FAA.

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