Staff Software Engineer, Backend at GlossGenius · Toronto

About GlossGenius GlossGenius is the AI-powered system behind the world’s most meaningful appointments, helping 100,000+ service businesses earn more revenue and free up time for the work they love. Our agentic workforce gets more clients in the door, grows profit per appointment, and keeps clients coming back — doing the jobs owners never had time for and couldn’t justify hiring to fill. Businesses on GlossGenius process billions in annual payment volume, and see 65% more revenue using GlossGenius Payments by growing ticket size, rebooking clients at checkout, and saving on processing fees. About the Role GlossGenius has been empowering independent entrepreneurs in the beauty and wellness space to pursue their dreams and successfully grow their businesses. As we continue to scale, we're expanding the highest-innovation teams, and we’re building 0-to-1 products we expect to be a massive revenue driver for the business. As a Staff Backend Engineer, you will act as a critical technical leader, architect, and enabler. You will own and support the technical direction of our AI enabled products, turning ambitious initiatives into clear, buildable roadmaps. This is an individual contributor role with a healthy balance of leadership and execution (roughly 60% technical planning, architecture, and proof-of-concepts, and 40% hands-on building). You will be a force multiplier for our talented engineering team - unblocking technical hurdles, keeping a healthy backlog of build-ready work, and helping to scale our AI powered products. What You’ll Do Lead technical planning, system architecture, scaling our AI powered products and 0-to-1 product builds , weighing long-term tradeoffs with precision Write high-quality code and rapidly build proof-of-concepts to validate architecture options and tackle the team's most complex technical challenges Act as a technical mentor and accelerator for backend engineers on the team, proactively identifying systemic technical debt, resolving blockers, and raising the bar for engineering excellence Partner closely with Product, Design, and Engineering leadership to turn ambiguous business goals into clear, well-architected initiatives, keeping a healthy backlog of forward-looking work Embed cutting-edge AI workflows (e.g., Claude Code, GitHub Copilot) into your daily development practices, helping shape how our engineering organization leverages AI effectively and responsibly What We’re Looking For 7+ years of professional engineering experience, with a strong focus on web, and a track record of leading high-impact technical work Proven experience operating at a senior-to-staff level, with a track record of owning system design and architectural choices for high-scale or high-growth products Strong backend depth with Kotlin (experience with TypeScript is a plus) Solid understanding of modern cloud infrastructure, specifically AWS and Kubernetes (you don't need to be a pure infra specialist, but you know how to navigate it) Hands-on experience integrating AI models and LLMs into customer-facing products Experience working in early-stage, startup, or high-innovation environments. You are comfortable shipping quickly, iterating rapidly, and navigating ambiguity Exceptional communication skills with a natural ability to collaborate closely with PMs, Designers, and other engineering teams to align on product vision Experience with or enthusiasm for AI-assisted development tools (like Claude Code) to maximize engineering velocity Benefits & Perks Flexible PTO Competitive health & dental insurance options, with premiums partially or fully covered by GG In-person opportunities that are designed to help team members foster collaboration and build community (ie; working out of a co-working space, team dinners, and other team building activities) Fertility and adoption benefits via Carrot Generous, fully-paid parental leave policy 401k benefit - employees are eligible to contribute starting day 1 of employment Professional Development - employees receive a yearly stipend for approved learning and educational-related expenses Pre-tax commuter benefits Dependent Care FSA Home office support At GlossGenius, we celebrate our differences and are committed to creating a workplace where all employees feel supported and empowered to do their best work. We believe this benefits not only our employees but our product, customers, and community as well. GlossGenius is proud to be an Equal Opportunity and Affirmative Action Employer. Personal Information: Notice at Collection for Employees and Applicants Agency Submissions If a resume or applicant is submitted to GlossGenius by a third party without a signed search agreement in place, it will become the property of GlossGenius and no fee will be paid, irrespective of whether the candidate is hired. GlossGenius may use automated tools, including artificial intelligence and machine learning systems (AI Tools), to assist in evaluating applicants’ qualifications and fitness for the position. These AI Tools may be used alongside human review during one or more stages of the recruiting process, including application screening, skills assessments, and interviewing. No final hiring decision will be made solely by AI Tools without human oversight. Personal Information: Notice at Collection for Employees and Applicants Agency Submissions If a resume or applicant is submitted to GlossGenius by a third party without a signed search agreement in place, it will become the property of GlossGenius and no fee will be paid, irrespective of whether the candidate is hired. GlossGenius may use automated tools, including artificial intelligence and machine learning systems (AI Tools), to assist in evaluating applicants’ qualifications and fitness for the position. These AI Tools may be used alongside human review during one or more stages of the recruiting process, including application screening, skills assessments, and interviewing. No final hiring decision will be made solely by AI Tools without human oversight.