Software Engineer II - Amplify Demos

Requirements

• You are passionate about building software effectively and for the long term, balancing technical quality, velocity, and business impact.
• BA or BS Degree in Computer Science, related field, or equivalent experience.
• You typically bring 3-5+ years of hands-on software development experience building and operating highly available, full-stack or backend-hea

Benefits

Additional Information

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you're a close but not exact match with the description, we hope you'll still consider applying. Want to learn more about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny. Team Overview: The Amplify Engineering team builds internal tools, platforms, and AI-powered automation that help Klaviyos work more efficiently and at scale as the company grows. We partner across the organization, including Sales, Marketing, Engineering & Product, Customer Service & Success, and Finance, to solve real operational problems with practical, well-designed software. Our work spans internal applications, 3rd-party integrations, interactive dashboards, CMS integrations, and robust AI systems and agents that automate repetitive tasks, surface the right information at the right time, and help teams make better decisions. We operate in tight feedback loops with our internal customers, shipping quickly, learning fast, and seeing the impact of our work immediately in how deals move faster, tickets resolve sooner, and launches go more smoothly. This role sits on the Amplify Demos team, which builds and operates Klaviyo's demo platform - provisioning on-demand, fully customized instances of Klaviyo that enable the Sales team to deliver live product demos featuring the full suite of our products to prospective customers. Our platform powers the demo experience across the go-to-market organization, giving internal Klaviyos the tools they need to showcase product capabilities in a real, working environment. If you enjoy turning real-world problems into reliable, scalable solutions, this is highly visible work with a direct impact on how Klaviyo's Sales team sells every day. How You'll Make an Impact: The Amplify team builds the internal platforms, automation, and AI-driven systems that power how Klaviyos work every day. As a Software Engineer II on Amplify, you will: Design, build, and maintain internal products and platforms, including internal web applications, APIs, data and event pipelines, and AI-powered workflows used daily by Sales, Marketing, Customer Service & Success, R&D, and Finance teams. You'll own features and small-to-medium projects end-to-end, from design through deployment and iteration. Execute and deliver projects with increasing autonomy and complexity. You will decompose projects into actionable workstreams, question and refine requirements, and collaborate with teammates to ship high-quality solutions that meet reliability and performance expectations. Translate real operational problems into pragmatic, maintainable software. You'll work closely with internal customers to understand their workflows and constraints, then design AI-forward tools and automations that measurably improve throughput, quality, and reliability of their work. Contribute to the technical and architectural evolution of Amplify's systems. You'll help evolve our internal platforms, services, and AI workflows, contributing to design decisions, patterns, and improvements that keep our systems scalable, observable, and reliable as usage grows. Own the quality and operational health of the code you ship. You'll be responsible for the full lifecycle of your work - implementation, testing, deployment, monitoring, and follow-up improvements, including debugging issues in development and production, and participating in on-call rotations for the systems your team owns. Use modern AI tools as part of your day-to-day engineering workflow. You'll leverage AI for coding, testing, documentation, and experimentation (e.g., LLMs, AI coding assistants, internal AI platforms), and share what works well so the team can continuously improve its AI-augmented workflows. Improve the developer experience and engineering practices on Amplify. You'll help refine our tooling, tests, CI/CD, and automation, and contribute to shared patterns and utilities that make it easier for Amplify to build internal tools and workflows consistently and at high quality. Collaborate deeply with Product, Design, Data, and operational stakeholders. You'll contribute to technical discovery, help evaluate trade-offs, and ensure we're solving the right problems with clear success criteria, tying your work directly to measurable business and customer outcomes.

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