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Senior Software Engineer - Fullstack

SimSpace
Remote - U.S., United StatesRemotefull_timeVerifiedPosted 2 Jul 2025
💰 $175,000/yr($130,000/yr$175,000/yr)

About the role

Who is SimSpace:

SimSpace launched in 2015 with a singular purpose – addressing the most urgent and sophisticated cybersecurity challenges to reduce risk for our most vulnerable and valuable infrastructure. The organizations around the world that we depend on every day to keep our loved ones safe and secure. Our healthcare facilities, schools, financial institutions, transit centers, grocery stores, and workplaces just to name a few. To deliver global resiliency, we provide an elite cyber range platform to curate unassailable cyber defenses, data driven decisions, cutting edge training labs, live attack scenarios, and extensive individual and dynamic team readiness training. 

SimSpace works as OneTeam to elevate humanity around the world. We are committed to continuously improving and delivering a cultivated member experience whether that is accomplished through focusing on supporting our client’s teams or our own mission driven SimSpacers. 

We are an international company headquartered in Boston's Fort Point in the U.S. If you are interested in elevating the technology and creative solutions necessary to secure and safeguard our future while working alongside others who share your passion for purpose and development, we want to meet you!

Why should you choose a career at SimSpace?

We are an organization that is focused on building our culture and mindfully enhancing our atmosphere everyday which is why we have collaborated on an integral value system. Our governing philosophy of being Human Centered is deeply embedded within our value system. We apply this philosophy to every one of our internal team members, external clients, and their customers.

Our core values:

  • Serve to Protect – We provide safe space, deliver on the mission, and elevate humanity
  • Acquire Understanding – We seek and provide clarity 10x, cultivate comprehension, and believe information goes both all ways
  • Operate as Innovators – We stay curious, practice consistency over intensity, and continue to be the change we need in the world
  • Teamwork Without Borders – We are never alone, we solve for all, and keep people at the heart of everything we do

SimSpace is looking for a Senior Software Engineer who will play a pivotal role in designing and developing core SOA-based services that assist our users in identifying and mitigating cyber risk based on high-fidelity simulation data. In this position, you’ll lead a team through complex technical projects and collaborate closely with UX Designers, Product Managers, and other Engineers to build high-quality, scalable solutions. You'll be tasked with ensuring our engineering practices are top-notch while you contribute directly to code, design, and architecture.

What will you be doing as our Senior Software Engineer:

  • Design, develop, and maintain core SOA-based services for our team's end users, focusing on scalability, performance, and fault tolerance.
  • Lead end-to-end technical projects, from requirements gathering and architecture design to deployment, while setting clear goals and priorities.
  • Mentor and support engineers on the team, promoting a collaborative culture and guiding them in coding best practices, testing, and architectural design.
  • Collaborate with Product Managers and UX Designers to create user-focused solutions that meet their needs.
  • Conduct code reviews and provide constructive feedback to ensure code quality, performance, and adherence to company standards.
  • Implement robust monitoring and alerting strategies to maintain high uptime and quick response to potential system issues.
  • Ensure services meet security and compliance standards by integrating appropriate controls into the development lifecycle.

Who you are:

  • You feel comfortable leading, guiding, and delegating team initiatives
  • You enjoy solving complex problems & building solutions through collaborative methods
  • You’re always open for feedback, and are willing to give feedback to your colleagues
  • You understand that nothing is perfect and there is always room for improvement
  • You are driven off of goals and team outcomes
  • You’re focused on the iterative delivery of high-quality well tested code
  • You’re conscious of scalability, re-

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Company

SimSpace

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