Note: The job is a remote job and is open to candidates in USA. KTeam is an established private investment portfolio company seeking a Senior Web Platform Engineer who specializes in CMS systems and Next.js. The role involves building, maintaining, and scaling high-performing web platforms while optimizing content management systems and leveraging AI tools for enhanced user experiences.
Responsibilities
- Own the build, maintenance, and scaling of modern web applications using Next.js and Sanity as your core stack
- Architect CMS schemas, content models, and editorial workflows that make life easier for the teams who use them every day
- Develop and maintain backend services, APIs, and third-party integrations that power web and marketing experiences
- Manage DNS, hosting environments, and deployment pipelines — you know your way around infrastructure, not just the front end
- Put AI tools to work — from content generation and personalization to automation and experimentation — to build smarter, faster experiences
- Implement tracking, attribution, and growth tooling: UTM structures, analytics events, tag management, the works
- Build dynamic, data-driven experiences using JavaScript and server-side logic
- Support HTML email development and integrations with marketing platforms
- Bring interfaces to life with animations and interactive elements, including Lottie and modern motion techniques
- Champion performance, security, accessibility, and SEO across all web properties Collaborate cross-functionally with designers, marketers, and product teams — you're a partner, not just a ticket-taker
Skills
- 5+ years of professional web development experience required
- Deep, hands-on expertise with Next.js and headless CMS (Sanity preferred)
- Expertise in Claude and Cursor - demonstrated experience integrating / building with AI tools, APIs, or automated workflows in a production environment
- Experience building and optimizing sites with very complex funnels
- Strong backend chops: Node.js, APIs, databases, and third-party integrations
- Solid infrastructure fundamentals: DNS, hosting environments, deployment pipelines
- Strong proficiency in JavaScript and TypeScript
- Strong UI/UX instincts, frontend and design chops
- A/B Testing - Posthog (using for page testing - whole page and modules)
- Experience with analytics platforms, UTM frameworks, and martech integrations
- Familiarity with HTML email development and the constraints of major email platforms
- Proven ability to build scalable, maintainable systems across multiple brands
- Experience with Lottie, motion design, or advanced web animation
- Familiarity with prompt engineering, RAG, or AI-driven personalization
- Background in a regulated industry — insurance, fintech, or healthcare
- Experience with edge functions, serverless architecture, or headless commerce
- Multi-brand or portfolio-level web environment experience
- Prior time at a venture studio, early-stage startup, or fast-scaling company
Benefits
- Free medical coverage and comprehensive dental & vision insurance for you and your dependents
- An HSA with employer dollars to help you save
- Mental health resources for life's tougher moments
- Company-paid life insurance and short-term disability
- Company-paid parking on-site or train pass
- $60/month cell phone stipend
- 401(k) dollar-for-dollar company match up to 4% with 100% immediate vesting
- A team that genuinely enjoys spending time together — backed by free snacks, drinks, and events that people still talk about long after they happen
- Competitive paid time off, to recharge, so you can show up as your best self
- 12 paid holidays to recharge, plus a floating holiday to spend however you see fit
Company Overview