Source Job

$163,000–$185,000/yr
US

  • Own the technical roadmap for Platform Engineering and build scalable backend services using Ruby on Rails.
  • Design and operate Kubernetes infrastructure, CI/CD pipelines, and AI platform components including LLM orchestration.
  • Lead architectural decisions, mentor engineers, and ensure platform reliability, security, and scalability.

Ruby On Rails React Kubernetes AWS CI/CD

20 jobs similar to Founding Platform Engineer

Jobs ranked by similarity.

$250,000–$300,000/yr
US 2000w PTO

  • Define and execute the platform engineering vision, roadmap, and operating model.
  • Lead teams building enterprise-grade application platforms, agentic AI, integrations, and data infrastructure.
  • Build and manage organization across platform engineering, AI platform, and data engineering.

Firstup improves employee experience through an intelligent communication platform serving 40 Fortune 100 companies and over 17 million employees daily. The company fosters a high-growth, inclusive environment with a casual and remote-friendly culture.

US

  • Lead technical architecture and engineering standards across customer-facing and operational systems.
  • Champion AI-assisted development, establishing best practices for LLMs in coding, testing, and workflows.
  • Mentor engineers and drive engineering excellence through code quality, CI/CD, and operational reliability.

Koala Health aims to make managing your pet’s health simple and delightful, offering a pharmacy service for medications and supplements delivered in pre-sorted pouches. The company fosters a remote-first culture built on flexibility and trust, with a supportive, close-knit team that celebrates wins and learns fast.

$160,000–$183,000/yr
US Unlimited PTO

  • Lead a pod of 4+ engineers, owning growth, performance, and roadmap, while championing AI-native engineering practices.
  • Drive technical direction and execution for broadly scoped initiatives, ensuring high quality and pragmatic trade-offs.
  • Embrace AI-enabled tools like Claude Code to coach your team and set a hands-on example for effective adoption.

Pathstream reshapes frontline employee careers through enterprise partnerships, transforming teams from transactional to strategic. They are a tight-knit, mission-driven team of ~60 employees scaling their solution across the United States.

Global Unlimited PTO

  • Design and build the trigger system linking GitLab events to AI-powered Duo Flows.
  • Architect for high availability and throughput in a multi-service environment.
  • Collaborate cross-departmentally to integrate triggers with the broader agent ecosystem.

GitLab is an intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and improve operational efficiency. With more than 50 million registered users and over 50% of the Fortune 100 as customers, GitLab fosters a high-performance, values-driven culture where every voice is valued and innovation flourishes.

$200,000–$300,000/yr
US Unlimited PTO 12w maternity 12w paternity

  • Work on core Radar products using TypeScript, Rust, Python, and Scala.
  • Build highly available systems with 99.99%+ monthly uptime.
  • Own the internal development platform and integrate safe AI-enabled development practices.

Radar is the global leader in geolocation, providing geofencing SDKs, maps APIs, and AI-enabled solutions for marketing, fraud, and operations teams. They have raised $85.5M from top investors, process over 1 billion API calls per day, and have a high-performance culture with ambitious teammates.

Canada UK Unlimited PTO

  • Develop, ship, and maintain features for Agentic Tools across the GitLab monolith backend in a secure, well-tested manner.
  • Collaborate with Product Management, UX, and AI specialists to refine requirements and deliver high-quality product enhancements.
  • Design and review GraphQL and REST APIs, ensuring reliability, scalability, and clear contracts with frontend clients.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. With over 50 million users and a high-performance culture driven by values and continuous knowledge exchange, GitLab empowers team members to reach their full potential.

Brazil

  • Build and expand a large-scale healthcare data platform and member management solution.
  • Design, develop, and maintain high-performance backend services and APIs.
  • Mentor junior and mid-level engineers through technical guidance and code reviews.

Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development teams. They connect Brazil’s top 5% talent with innovative U.S. companies through staff augmentation and employer-of-record services.

$102,200–$116,800/yr
Canada

  • You will partner with engineering leadership to evolve foundational architecture for a cloud-native, event-driven telecom platform.
  • You will own developer experience, building tooling, CI pipeline performance, and dependency management across a shared monorepo.
  • You will develop and manage a small team of senior engineers, championing AI-first development practices and establishing engineering standards.

Wavelo is a SaaS business that modernizes software for telecom providers, helping them scale operations and improve customer experience. As part of Tucows, one of the world's largest Internet services companies, it embraces a people-first philosophy with a remote-first culture.

$81,000–$135,000/yr
Netherlands 4w PTO

  • Build and scale high-performance backend systems using Ruby on Rails and modern technologies.
  • Collaborate with product managers and cross-functional teams to deliver impactful features.
  • Influence architecture, technical strategy, and engineering practices in a fully remote environment.

Our partner company builds and scales AI-powered products used by millions worldwide. It is a fast-growing technology environment with a fully remote, autonomous culture focused on speed, quality, and continuous innovation.

Canada UK Unlimited PTO

  • Develop, ship, and maintain features and improvements for Agentic Tools across the GitLab monolith backend in a secure, well-tested, and performant way.
  • Collaborate with Product Management, UX, frontend, backend, and AI specialists to refine requirements and deliver high-quality, iterative product enhancements.
  • Design, implement, and review GraphQL, REST APIs and related backend logic, ensuring reliability, scalability, and clear contracts with frontend clients.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and improve operational efficiency. More than 50 million registered users and more than 50% of the Fortune 100 trust GitLab, and the company embraces AI as a core productivity multiplier with a high-performance culture driven by values and continuous knowledge exchange.

Unlimited PTO

  • Own and evolve cloud infrastructure and CI/CD pipelines, driving projects from inception to deployment.
  • Gain deep knowledge of the backend stack (Java Spring Boot) and optimize system reliability and scalability.
  • Actively adopt AI tools to enhance productivity, automate infrastructure provisioning, and ensure security.

Archy is a Series B vertical SaaS company that provides AI-powered software to revolutionize dental practice management. The company has a growing, collaborative team with a remote-friendly culture.

Global

  • Mature deployment artifacts for enterprise customers, including hardened images, Terraform modules, and Helm charts.
  • Own reference architectures and improve the upgrade experience for seamless, predictable operations.
  • Mentor other engineers and contribute to architecture decisions across engineering teams.

Coder is an AI software development company that empowers teams to build software faster and more securely through autonomous coding agents. They are a growing company that values innovation, collaboration, and high standards for code quality and security.

Global

  • Lead strategic infrastructure evolution and platform modernization across a global engineering organization.
  • Drive developer productivity, scalability, and security through cloud-native architectures and containerization.
  • Mentor and grow engineering managers and technical leaders to build a sustainable leadership pipeline.

Commerce, the parent company of BigCommerce, Feedonomics, and Makeswift, provides an open, AI-driven commerce ecosystem that empowers businesses to innovate and grow. With a global team of bold builders and technical trailblazers, we foster a culture of collaboration and continuous learning to shape the future of e-commerce.

$190,000–$230,000/yr
Global Unlimited PTO

  • Design and operate the infrastructure for a high-throughput messaging platform operating at 500K+ events/sec.
  • Build guardrails, runbooks, and validation gates that enable AI agents to safely execute deployments and operations.
  • Lead incident response and encode every fix as a new runbook and regression test.

Postscript is an AI messaging platform trusted by 20,000+ Shopify brands to drive revenue through SMS. The company is fully remote, backed by Greylock and Y Combinator, and has a culture of ownership and innovation.

Global

  • Lead a team of around 20 engineers across backend platform, frontend platform, DevOps, architecture, accessibility, and quality assurance.
  • Set the platform technology strategy and own its execution, from cloud infrastructure to internal developer platform to AI tooling.
  • Mentor engineers and managers, providing support for role and career development.

Frontify helps brands turn ideas into impact by transforming how teams organize digital assets, collaborate on projects, and create engaging campaigns. With headquarters in St. Gallen, Switzerland, and offices in London and New York City, we share a vibrant culture built on creativity, collaboration, inclusion, and joy.

US 4w PTO 14w maternity 14w paternity

  • Own core compute infrastructure across multiple cloud providers and regions.
  • Design capabilities for greater performance and flexibility in service deployment.
  • Investigate and resolve challenging cloud and compute issues across the stack.

Render is a cloud platform for developers building AI-native, full-stack, multi-service applications. Trusted by over 6 million developers, the company has raised $257M in funding and values craft, velocity, and user experience.

Global Unlimited PTO

  • Build enterprise-scale infrastructure using infrastructure-as-code and Kubernetes-native systems.
  • Sustain platform health and performance by owning critical systems in production.
  • Enable teams and customers to move faster with abstractions and tooling for AI/ML workloads.

Cake makes cutting-edge AI accessible to enterprise teams by removing infrastructure barriers, enabling 10x faster and cheaper AI/ML platform deployment. Backed by top investors, they have a small senior team focused on ownership and operational excellence.

$204,000–$226,000/yr
US Unlimited PTO

  • Set technical direction across multiple domains, owning complex work like greenfield service design and large refactors while producing clear documentation.
  • Act as a senior technical authority for security and compliance, partnering on SOC2, vulnerability management, and threat modeling.
  • Lead AI-native engineering practices, designing agentic workflows and coaching engineers to collaborate effectively with AI systems.

Pathstream reshapes how frontline employees and managers excel in their careers through enterprise partnerships, transforming teams from transactional to strategic. The company is a tight-knit, mission-driven team of ~60 employees scaling solutions to improve productivity and retention.

$188,240–$235,300/yr
US

  • Lead the architecture and long-term technical roadmap for a global distributed systems platform.
  • Pioneer AI-driven development workflows using LLMs to accelerate code generation and automation.
  • Mentor senior engineers and drive technical excellence across multiple teams, balancing innovation with reliability.

Twilio is a cloud communications platform that delivers innovative solutions to hundreds of thousands of businesses and empowers millions of developers worldwide. The company fosters a remote-first culture with a strong emphasis on connection and global inclusion.

$178,400–$223,000/yr
United States

  • Define the long-term technical vision and architectural roadmap for FuzeRx's B2B and consumer platforms.
  • Lead by example by writing clean, optimized, and maintainable code for critical system components.
  • Act as a force multiplier across multiple agile squads, tackling complex distributed systems challenges.

Fuze Health puts patients first by digitally connecting them with care providers, health resources, and treatments, while enabling partners to enhance quality and outcomes. The company is a growing portfolio of industry leaders including LetsGetChecked, Truepill, and Alto Pharmacy, with a shared vision to deliver next-generation healthcare solutions.