Software Engineer, React

Location: Nashua, New Hampshire, United States

Category: Engineering & Technology

Employment Type: Full-Time

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

#ECSSE

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 a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.

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.