Software Engineer - React

Job Description You'll set technical direction for a TypeScript frontend platform serving a large data-intensive engineering program. This is a hands-on role: you'll write code, own architecture, and raise the ceiling for a team of ~6 engineers. Expect to work directly with backend, product, and end users. What you'll do Co-own architecture for a React/TypeScript/Next.js application backed by gRPC/protobuf servicesDrive design of data-access layers (BFF/API boundaries, caching, pagination, streaming) where payload size and memory pressure are real constraintsSet and enforce standards across a Turborepo monorepo: shared packages, versioning, build/CI performance, dependency hygieneLead technical design reviews; write the design docs and white papers that anchor themDiagnose hard problems: memory exhaustion, render performance, pipeline issuesMentor engineers across levels and enable the team to work fasterWork directly with customers and stakeholders to shape requirements, then decompose them into scoped, estimable work Required Education, Experience, & Skills 6+ years building production software; 4+ in TypeScript/JavaScript and NodeDeep React experience, including performance profiling and state/data-fetching architecture at scaleDemonstrated ownership of system-level design decisions and their consequencesStrong written communication: design docs, technical proposalsTrack record of mentoring and elevating other engineersComfort operating with ambiguity and defining the problemAbility to obtain and maintain a DoD Secret clearance (U.S. citizen) Preferred Education, Experience, & Skills gRPC / protobuf, especially large-payload or streaming scenariosTurborepo, Nx, or comparable monorepo toolingAPI design (REST, gRPC, BFF patterns) and versioning strategyAgentic / LLM-assisted development workflows and toolingPlaywright or comparable E2E frameworks; test strategy across the pyramidCI/CD pipeline design and build optimizationData visualization at scale (AG Charts, D3, or similar)Storybook and component library ownershipWireframing and UX collaboration; comfort sketching a flow before building itDefense, aerospace, or other regulated-environment experience Pay Information Full-Time Salary Range: $118095 - $200762 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.