Software Engineer, React

Nashua, NHFull-time$64.9k–$110kPosted Aug 7, 2026

Job Description
An early-career role on a frontend team building data-heavy interfaces for engineers and analysts. You'll ship real features in your first weeks, with code review and mentorship from senior and principal engineers. We're hiring for trajectory. Curiosity, rigor, and the ability to absorb feedback matter more than the length of your résumé.

What you'll do

  • Build and maintain React/TypeScript components and views against defined designs and requirements
  • Write unit and integration tests; contribute to E2E coverage
  • Participate in code review, both receiving and, increasingly, giving it
  • Break down assigned work in JIRA, keep tickets current, communicate blockers early
  • Contribute to technical documentation and Storybook stories
  • Grow toward owning a feature area end to end


Required Education, Experience, & Skills
  • BS in Computer Science, related field, or equivalent practical experience (bootcamp, self-taught with a portfolio, military technical background)
  • Working knowledge of JavaScript/TypeScript and at least one modern frontend framework (React preferred)
  • Understanding of HTTP, async programming, and version control (Git)
  • Evidence of building something non-trivial — coursework, internship, personal project, open source
  • Clear written communication and a willingness to ask questions earl
  • Ability to obtain and maintain a DoD Secret clearance (U.S. citizen)


Preferred Education, Experience, & Skills
  • Node.js
  • Familiarity with testing tools (Jest, Vitest, Playwright, Cypress)
  • Exposure to CI/CD concepts
  • Any experience with monorepos, gRPC/protobuf, or typed API clients
  • Comfort using AI coding tools thoughtfully, as an accelerant, with judgment about the output
  • Interest in UX, wireframing, or data visualization
  • Internship or co-op experience in a regulated or team-based engineering environment


Pay Information
Full-Time Salary Range: $64926 - $110374

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.


About BAE Systems Electronic Systems
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems’ game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere – from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact – for our customers and the communities we serve.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

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