Senior Software Engineer (Backend focused)

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. Metrea builds vertically integrated full stacks of capability—designing, building, and operating turnkey solutions that let customers scale capacity while benefiting from continuous cycles of innovation. Headquartered in Washington, DC, Metrea has facilities across the United States, the United Kingdom, Europe, and beyond. This role sits within the Digital and Synthetic area of Metrea. The Digital and Synthetic Capability Unit (D&S) is committed to providing mission-driven information solutions that bridge the digital and physical realms, empowering operational readiness and elevating situational awareness across diverse domains including air, maritime, and space.

Metrea is seeking a dynamic and highly motivated individual (senior - staff level) to join our software development team, building software solutions that provide geospatial data processing and visualisations.

What You’ll Do

• Lead the development of product features, ensuring engineering decisions factor in technical debt, systems design, stability/reliability, monitoring/observability, and business need.
• Lead refactoring of complex systems or problems when warranted, making pragmatic trade-offs between perfection and technical debt aligned to business priorities.
• Lead the design process for complex technical problems or new product features.
• Debug and resolve complex software issues quickly.
• Collaborate with teammates and contribute to code reviews, promoting practices that improve accessibility, performance, stability, security, and overall code quality.
• Mentor less experienced engineers and assist with onboarding to the team.
• Communicate the risk of technical problems clearly to non-technical stakeholders.
• Collaborate with product, engineering, and UI Design to align delivery with the product roadmap.

What You’ll Bring

• HND or BSc in Software Engineering or an equivalent Computer Science discipline.
• 5+ years of demonstrable experience in an active software development role, developing web-based applications.
• Strong understanding and practical experience with C# and React.
• Experience delivering in an Agile software development environment.
• Drive to learn continuously and expand knowledge.
• Strong organizational skills, proactive task delivery, and documentation abilities.
• Excellent interpersonal skills, able to confidently communicate technical issues to non-technical team members.

In addition to the above, any of the following would be beneficial:

• Experience working on geospatial visualisation products.
• Experience developing with .NET Core.
• Experience using Kafka and/or Kubernetes within a service-based architecture.
• Experience working with relational and/or non-relational databases.

Our Firmware

At Metrea, our single core value is Rooted in Humility, complemented by four cornerstone attributes—Entrepreneurial, Systematic, Discerning, and Over-Deliver. These form our Teammate Firmware. This framework defines how we show up, how we work together, and how we solve complex problems. Our team Firmware fosters a web-like, hyper-collaborative, dynamically hierarchical way of working that helps us adapt quickly, communicate openly, and distribute decision-making to where expertise resides. It enables groups to self-organize around hard problems, shift priorities, and operate with trust, curiosity, and discipline in a complex mission space. This foundation supports delivering elegant, effective solutions and upholding our purpose: protecting our inheritance.

Benefits

• Private Medical Insurance
• Subsidized gym membership/plans through Wellhub
• Electric Car scheme
• Cycle to work scheme
• Salary sacrificed pension scheme
• Free lunch on office days
• Enhanced Parental Leave
• 30 days annual PTO plus bank holidays
• Yearly Bonus Scheme
• Personal development opportunities

Right to Work

The employee will have the legal right to work in the UK and must be able to produce right-to-work documentation. The employee must be a UK citizen and able to obtain and maintain a security clearance (SC) as a minimum.

Equal Opportunities Statement

Metrea Mission Data Limited 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 Monday through Friday, 9:00 a.m. to 6:00 p.m. Hours and shifts may change in accordance with department and business needs. Exempt employees must be able to be on-call as required. Non-exempt employees may be required to work over 40 hours per week with department manager approval.

Work Location

Harwell, Oxfordshire. This role is hybrid, with 2 days per week in the office in Harwell.

Work Environment

This job operates in an office setting.

Travel

This role may require occasional travel to other Metrea offices.