Senior Software Engineer - Fullstack

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 to join our team and drive the development of AI-powered services. This role requires a strong background in full-stack software engineering with an eagerness to dive into the world of AI tooling and APIs. While direct experience with GenAI or AgenticAI platforms is a plus, the ideal candidate is someone excited to explore and integrate AI technologies (e.g., GPT-like models, APIs, and machine learning systems) into real-world applications. You will play a key role in developing, fine-tuning, and deploying machine learning models while ensuring seamless integration across the full stack. A commitment to quick iterations and working within the full Software Development Lifecycle (SDLC) is essential for this position.

What will you be doing as a Senior Software Engineer at SimSpace?

• Design, develop, and integrate AI-powered services into real-world applications using GenAI and AgenticAI APIs (e.g., ChatGPT, Vertex AI, AWS AI, Claude,
• Perplexity, CrewAI, Anthropic's models, Jasper, Cohere, Hugging Face, OpenAI, and other relevant platforms)
  
• Leverage full-stack engineering skills to build scalable, reliable software, including both backend and frontend components
  
• Lead the implementation of systems used to continuously improve model performance based on real-world feedback
  
• Manage the full-stack development of AI services, working across the backend, frontend, and APIs to ensure seamless integration and performance
  
• Collaborate with cross-functional teams to define, develop, and deploy AI models that support business goals
  
• Iterate quickly and implement agile development practices to ensure continuous delivery of high-quality software
  
• Own the SDLC for AI service projects, from requirements gathering to design, testing, and deployment
  
• Continuously learn about new AI technologies, staying at the forefront of industry advancements and integrating them into development processes
  
• Troubleshoot, optimize, and maintain AI-powered systems, ensuring robustness and scalability
  
• Work iteratively in an agile environment, deliverin