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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Software Engineer, Platform Engineering - **Company:** Klaviyo - **Location:** Boston, MA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Cloud Engineering, Databases, Software Debugging, Linux, Distributed Systems, Python (Programming Language), Networking Basics, Klaviyo Email and SMS Marketing, Kubernetes, Api Gateway, Terraform, Golang - **Published:** August 6, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/lead-software-engineer-platform-engineering-boston-ma-usa-58818584 ## About the Role multi-year to improve availability, scalability, latency, and cost-efficiency * Identify architectural bottlenecks and drive solutions * Leverage Python/Go, AWS, Kubernetes to advance the platform * Champion design reviews, configuration as code, and defensive programming * Drive cost-optimization and build tooling/guardrails for cost-efficiency * Mentor senior and mid-level engineers to raise technical quality * Participate in and improve on-call practices with root-cause focus * Experiment with AI tools to improve efficiency Tasks * 10+ years of distributed systems design, build, and operation with technical leadership * Hands-on production software development in Python and/or Go * Cloud-native experience with infrastructure as code (Terraform) and Kubernetes * Strong Linux/networking fundamentals and production-debugging skills * Experience across API gateways, observability, asynchronous processing, or database/storage platforms * Proven ability to own full lifecycle of cross-team platform initiatives * Mentoring track record and ability to influence technical direction beyond own team * Excellent technical design docs and RFCs authoring and stakeholder alignment * Comfort handling outages and driving root-cause resolution Key requirements * health benefits * welfare benefits * wellbeing benefits * equity * sign-on payments * annual bonus plan ## Description Experteer Overview In this role you will set the technical direction for Klaviyo's core platform services and ensure platform primitives scale with growth while staying simple, reliable, and cost-efficient. You will guide cross-team engineering needs, shape multi-year roadmaps, and own foundational primitives that power product teams. You'll drive improvements in availability, latency, and cost, while mentoring engineers and promoting best practices. This is a highly visible, impact-focused leadership role that shapes how thousands of engineers ship products. You'll work with Python/Go, AWS, and Kubernetes to advance the platform and enable rapid, safe delivery for the business. Compensation / Benefits * Guide design and development of platform primitives (infrastructure, databases, queuing, observability) * Set technical vision and multi-year roadmap for core platform services * Own design, development, and evolution of foundational primitives used by product teams * Lead cross-team initiatives to improve availability, scalability, latency, and cost-efficiency * Identify architectural bottlenecks and drive solutions * Leverage Python/Go, AWS, Kubernetes to advance the platform * Champion design reviews, configuration as code, and defensive programming * Drive cost-optimization and build tooling/guardrails for cost-efficiency * Mentor senior and mid-level engineers to raise technical quality * Participate in and improve on-call practices with root-cause focus * Experiment with AI tools to improve efficiency Tasks * 10+ years of distributed systems design, build, and operation with technical leadership * Hands-on production software development in Python and/or Go * Cloud-native experience with infrastructure as code (Terraform) and Kubernetes * Strong Linux/networking fundamentals and production-debugging skills * Experience across API gateways, observability, asynchronous processing, or database/storage platforms * Proven ability to own full lifecycle of cross-team platform initiatives * Mentoring track record and ability to influence technical direction beyond own team * Excellent technical design docs and RFCs authoring and stakeholder alignment * Comfort handling outages and driving root-cause resolution Key requirements * health benefits * welfare benefits * wellbeing benefits * equity * sign-on payments * annual bonus plan ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [One Platform Could Not Fit Them All](https://www.wearedevelopers.com/videos/1919-one-platform-could-not-fit-them-all) - [Retooling and refactoring - an investment in people.](https://www.wearedevelopers.com/videos/371-retooling-and-refactoring-an-investment-in-people) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)