Senior Software Engineer, Fullstack

We are looking for a Senior Software Engineer to join our team to develop core services within our platform. You will work on a distributed application for building and simulating cybersecurity ranges and construct a training and assessment platform for cybersecurity professionals. Collaboration is key, as you'll work with UX, Product, and Data Science teams, contribute to technical planning and team roadmaps, and participate in regular lunch-and-learns and demos. This role involves balancing maintenance with innovation and solution delivery, as well as supporting and mentoring fellow engineers. Who you are: You can work across the stack, whether it's expanding our API or enhancing the frontend 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 code, along with tests and documentation You’re conscious of scalability, re-usability, but also pragmatic when it comes to trade-offs What you'll be doing: Developing core services as part of a distributed application for the construction and simulation of cybersecurity ranges Building a training and assessment platform for cyber security professionals Collaborating with teammates across UX, Product, and Data Science domains Contributing to technical planning and team roadmap decisions Our Tech Stack: Typescript, React, Postgres, Kotlin, Kubernetes, Spring Boot What are the qualifications to apply? To be successful as a Senior Software Engineer, Fullstack you need to have: Strong bilingual proficiency in English and Spanish skills required across written, virtual, and in-person interactions Proficient with Typescript and React.js Proficient with API Design Proficient with the principles of testing software Experience with frontend state management libraries (Redux, Zustand, React-Query) Have production experience developing and operating services at scale Experience working with remote teams Nice to have but not required: 4+ years of industry software development experience Experience with a11y standards Familiarity with Kubernetes Familiarity with Cybersecurity and Networking A bachelor's degree in Computer Science or equivalent experience We’re proud to offer a competitive and comprehensive package designed to support your well-being, growth, and success: Compensation. Base salary range: _____, reflecting our confidence in your expertise and impact, with the opportunity for annual bonuses tied to company performance and individual contributions. Health & Wellness. Comprehensive medical, dental, and vision benefits. Mental Health Support. Access to company-paid counseling, coaching, and resources for you and your family through Spring Health. Parental Leave. Paid leave plans to support you and your loved ones during life’s most important moments. Ownership Opportunities. Equity stock options at hire, with annual performance-based grants—become an invested stakeholder in our shared success. Referral Rewards. Earn $1,500–$3,500 for every qualified hire through our employee referral program. Continuous Learning. Access a LinkedIn Learning membership to prioritize your personal and professional development. Social Connections: Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community.