Staff Software Engineer

**Company Overview** Metrea delivers effects\-as\-a\-service to national security partners across five domains and more than a dozen mission areas—including airborne ISR, electronic warfare, secure communications, aerial refueling, special mission aviation, aerial firefighting, and advanced simulation. Wherever we operate, we build vertically integrated full stacks of capability—designing, building, and operating turnkey solutions that let customers scale capacity while benefiting from continuous cycles of innovation. With operators and engineers under one roof, we close the gap between lab and field—what we call connecting design with effect. Metrea’s solutions are built for elegance: effective, efficient, and evolving. This approach enables our partners to do more with less and achieve outsized, asymmetric advantage against rapidly evolving threats. Headquartered in Washington, DC, Metrea has facilities across the United States, the United Kingdom, Europe, and beyond. **Group Overview** The Digital and Synthetic Capability Unit (D\&S) is committed to providing mission\-driven information solutions that seamlessly bridge the digital and physical realms. Leveraging cutting\-edge technologies and advanced platforms, we empower operational readiness and elevate situational awareness across diverse domains—including air, maritime, and space. **Position Summary** In this role, you will lead front‑end development for our large\-scale simulation platform. You will build user‑friendly, responsive controls that can be adjusted during runtime, enabling seamless switching between multiple layers of information. You will collaborate closely with product designers and a cross\-functional team of engineers to ensure a smooth, intuitive and powerful user experience. You will join the community of D\&S front\-end developers that provides mentoring and technical growth. You will report to the Engineering Manager. **What You'll Do** * Lead the development of the UI for a large\-scale simulation application * Build user‑friendly controls that can be adjusted during runtime, enabling seamless switching between multiple layers of information * Ensure a smooth, responsive and intuitive user experience * Establish architectural patterns and own decisions around component structure, state management, code organisation, and scalability * Ensure code quality and maintainability, promoting good engineering practices * Collaborate within and beyond the team, articulating technical issues to non\-technical team members * Regularly mentor other less experienced engineers and help with on\-boarding new engineers to your team **What You Bring** * 3\+ years of demonstrable experience in an active software development role focused on web applications * Deep practical expertise in React, including component library development and integration * Ability to translate Figma designs into high\-quality, pixel\-accurate React components * Strong frontend architecture skills: establishing patterns and owning decisions around component structure, state management, code organisation, and scalability * Experience of team delivery in an Agile software development environment, ensuring code quality and maintainability * Strong organisational skills: able to work independently; proactive approach to task delivery and documentation * Great interpersonal and collaboration skills; able to articulate technical issues to non\-technical team members * Drive to learn constantly and further your knowledge **In addition to the above, any of the following would be beneficial:** * Experience with geospatial, data visualization or simulation applications * Familiarity with game development technologies and practices * Understanding of database technologies **Benefits** * Friskvård of 5K annually * Parental leave * 5% occupational pension (swe. tjänstepension), * 30 days of leave * Bonus Scheme * Personal development opportunities **Work Authorization / Security Clearance** The employee will have the legal right to work in the Sweden and will be able to produce right to work documentation. **AAP/EEO Statement** Metrea Simulations is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or other characteristics protected by law. **Position Type and Expected Hours of Work** This is a full\-time non\-exempt position with typical working hours of Monday through Friday, 9:00 a.m. to 6:00 p.m. Hours and work shifts may change in accordance with department and business needs. Exempt Employees must have the ability to be on\-call and available, as business needs require. Non\-Exempt employees may be required to work over 40 hours per week with approval from the department manager. **Work Environment** This job operates in an office setting **Travel** This role may require occasional travel to other Metrea offices. Our Firmware At Metrea, our single core value is Rooted in Humility, and our four cornerstone attributes are Entrepreneurial, Systematic, Discerning, and Over\-Deliver. These form what we call our Teammate Firmware. Just like technical firmware connects software and hardware, our Firmware is the constant interface between our mission and our people. It defines how we show up, how we work together, and how we solve complex problems. Our team Firmware creates a web\-like, hyper\-collaborative, dynamically hierarchical way of working that helps us adapt quickly, communicate openly, and distribute decision\-making to where expertise actually lives. It enables groups to self\-organize around hard problems, shift fluidly as priorities evolve, and operate with the trust, curiosity, and discipline required in a complex mission space. This foundation allows us to deliver elegant, effective solutions and uphold our purpose: protecting our precious inheritance.