Senior Software Engineer - Core Product

Ideal start timeline: ASAP Role status: Exempt Compensation: Our target hiring range is $175,000-$215,000 plus participation in our Annual Bonus Program with eligibility for $12,000 bonus. Actual compensation will be commensurate with experience and skills. Campminder's Flexible Working Location: Our employees have the option to work 100% remotely within the United States or their choice of days at home and at our office in Boulder, Colorado. We host a variety of all-company hybrid meetings and social events. We require anybody working remotely to have a very reliable, high-speed internet connection. We know the best people can choose to work anywhere. Here's a few reasons why 85+ of them choose Campminder: With 20+ years experience of serving the industry through its digital transformation, we're stable, profitable, and have developed a loyal customer base (that continues to grow). We build software for summer camps, an industry that enables meaningful experiences for kids. We work on interesting, ambitious projects that create real value for our clients. We know our team members feel their work has an impact on the organization's purpose. At the same time, we are genuinely committed to work/life balance. Our team members feel they have the flexibility to take time off when needed and feel supported in making use of flexible working arrangements. We invest in emerging technology and cutting-edge leadership and are proud to take an "AI-Enabled" approach in our solutions. We've been listed on Outside Magazine's 50 Best Places to Work for 8 consecutive years for our values-led culture and employee experience. This role's mission & overview: We are looking for a Senior Software Engineer to join our Delta team, which is dedicated to improving, enhancing, and modernizing Campminder's core product. Delta brings the latest technologies into our legacy platform, shipping real product value to customers while progressively replacing aging code with modern solutions. You'll work across a large C#/.NET monolith and modern TypeScript/React services, building modern product experiences that integrate seamlessly into the existing platform. Delta is where modernization meets delivery. You'll own product-facing features end-to-end, while raising the quality, security, and developer experience of the codebase along the way. You'll also be using AI-native engineering workflows (Claude Code, agent-driven development playbooks) to accelerate how quickly and confidently the team ships value to customers. This role is for someone who loves improving experiences for users and developers alike and thrives at the intersection of legacy modernization and new feature delivery. As a Senior Software Engineer on our Delta team, you will: Lead the Delta team in devising new and creative strategies to allow us to quickly modernize the product while delivering new value to customers rapidly Partner with product to run rapid experiments and incorporate customer feedback quickly Modernize legacy pages and workflows by introducing web components, React applications, and modern CSS into the existing platform, progressively upgrading the system Build and maintain shared packages and reusable UI components across the CoreJS monorepo, ensuring consistency across applications Partner with other engineering teams to integrate Auth0 authentication, modern navigation components, and shared services across the platform Collaborate with product, engineering management, and architects to define right-sized scope that maximizes customer impact while minimizing engineering investment Champion AI-native engineering workflows (Claude Code, AI-assisted code review) to accelerate feature delivery and improve code quality across the team Mentor engineers on and off the Delta team, championing best practices in automated testing, code quality, and progressive modernization strategies We think a successful candidate will bring: Experience leading the design and implementation of major features and platform improvements in collaboration with multiple engineers and teams Strong cross-functional collaboration skills and a track record of partnering with product on rapid experimentation and customer feedback loops Experience modernizing legacy systems while balancing impactful, incremental improvements with maintaining a high quality customer experience Strong full-stack skills spanning C#/.NET on the backend and TypeScript/React on the frontend; comfortable working across both a legacy monolith and modern greenfield applications Experience with modern frontend tooling, shared component patterns, and testing frameworks Strong track record of architecting scalable, reliable systems and making forward-thinking technical trade-offs Experience identifying meaningful ways to use AI tools (e.g., Claude Code, Copilot, or similar) to increase engineering speed and quality, and enthusiasm for adopting AI-native workflows to ship customer value faster Passion for mentoring others and rolling out engineering best practices across teams Excels at taking large, undefined problems and turning them into concrete next steps for themselves and others to tackle Our Interview Process: 45 min – interview with People & Culture 60 min – interview with Hiring Manager Phase 3 60 min – coding interview with Engineering team members 60 min – architecture interview with Engineering team members 30 min – culture interview with CTO A few of the benefits we are proud to offer: Robust medical, dental, and vision coverage options with generous employer contributions, plus a $500 employer HSA contribution for HSA-compatible plans Ability to choose where you work – remotely, in the office, or a mix! A variety of resources to support mental health and emotional well-being 12 weeks of 100% paid parental leave for all new parents, including via adoption, surrogacy, and foster care 401(k) with 4% company matching Trust-Based (flexible) PTO (and yes, we use it!) $900/year wellness allowance Company-paid subscriptions, training, and support for using AI professionally and personally. We have a team dedicated to enabling our AI capabilities for our team members and our customers! We encourage people of all backgrounds to apply: We're actively taking steps to make sure our culture is inclusive and that our processes and practices promote equity for all, including people of color, people from working-class backgrounds, women, and members of the LGBTQ+ community. We welcome and encourage applications from people with these identities or members of other historically marginalized groups. Research shows that women and people of color tend not to apply to jobs unless they believe they are 100% qualified and apply to fewer senior-level positions. With that in mind, we encourage you to apply if you're not sure whether you meet our qualifications. We'd love to have the opportunity to consider you! We encourage applications from parents, parents-to-be, and those responsible for the caretaking of others. We offer paid parental leave for birthing and non-birthing parents (including for adoption, surrogacy, and foster care placement) and paid loss leave to recover from miscarriage or stillbirth. The company's HSA and wellness allowance contributions may be used toward childcare, eldercare, adoption fees, and fertility treatments like IVF, among other expenses.