Source Job

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.

Ruby On Rails AWS AI LLMs Distributed Systems

20 jobs similar to Principal Software Engineer, AI & Platform

Jobs ranked by similarity.

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.

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.

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.

Global 4w PTO

  • Lead through code, spending approximately 75% of time hands-on coding with AI tools to solve patient engagement challenges.
  • Drive transformation and technical leadership by pioneering AI-enabled development practices and scaling them across the engineering organization.
  • Partner closely with Product and Design to deliver measurable improvements in engagement, retention, and continuity of care.

Docplanner is a healthcare technology company that empowers patients by giving them access to doctor reviews and online booking. They have over 2,500 employees across 13 countries and maintain a startup mindset while being backed by major venture capital funds.

US

  • Drive end-to-end ownership of AI capabilities that improve business outcomes like retention and enrollment conversion.
  • Define AI technical direction and lead build-versus-buy decisions through rapid prototyping.
  • Build shared foundations such as evaluation harnesses and safety guardrails to enable teams to ship reliable AI features.

Brightwheel is the largest and fastest growing platform for early education, serving millions of educators and families daily. The company is a three-time Cloud 100 company with a distributed team across the US and select offices internationally, fostering a passionate, customer-focused culture.

US

  • Own the architecture, development, and evolution of the AI-native answering service platform.
  • Actively write and review production code, set technical direction, and build the engineering team.
  • Partner with product and clinical teams to align technical roadmap with business strategy.

PerfectServe provides clinical communication and physician scheduling solutions for healthcare. The company has 400+ employees, 30,000+ customers, and $100M+ in annual revenue, fostering a collaborative and tech-forward culture.

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.

Global

  • Design and execute AI-native software development experiments to measurably improve productivity, quality, and speed.
  • Evaluate emerging AI engineering tools and institutionalize development, testing, and delivery standards.
  • Coach engineers and leaders across the organization to adopt AI-assisted workflows and drive transformation.

Sparkrock helps social benefit organizations—such as nonprofits, school boards, and government agencies—operate more effectively. They are a global, fully remote organization dedicated to mission-driven enterprise software.

$240,000–$270,000/yr
US

  • Lead and scale a high-performing engineering organization by building deep trust.
  • Engage deeply and credibly in system design and architecture discussions.
  • Pioneer the integration of AI and agentic capabilities into our software development lifecycle.

HopSkipDrive is creating opportunity for all through mobility. They are the leader in safe, fast, and simple supplemental student transportation through their marketplace, connecting kids to highly-vetted caregivers on wheels. Founded by three moms, they've now facilitated more than five million rides across over over 20 states and continue to grow rapidly.

US

  • Lead and scale high-performing engineering teams to deliver high-quality SaaS software for the restaurant technology industry.
  • Drive engineering maturity by establishing metrics, sharpening processes, and instilling a culture of accountability and continuous improvement.
  • Champion an AI-driven software development lifecycle, staying close to the code and upskilling engineers at all levels.

HungerRush is a leading provider of integrated restaurant technology solutions, including a flagship cloud POS system. The company is remote-first and seeks to scale its engineering teams in a fast-paced, high-growth environment.

Canada US Unlimited PTO

  • Design and maintain scalable, secure software architectures aligned with business goals, ensuring robust and reliable systems.
  • Introduce and implement best practices around object-oriented design, domain-driven design, and microservices.
  • Use AI to streamline processes, reduce friction, and give time back to developers for meaningful work.

ZayZoon builds a financial empowerment platform helping businesses improve employee financial wellness through services like earned wage access. Recognized for growth in Deloitte's Technology Fast 50 and Fast 500, they are a remote-first company with a Series B funding of nearly $50 million USD.

United States

  • Lead and grow two engineering teams focused on AI enablement and EHR agentic integration.
  • Drive execution of the AI Unlock program and Athena lab-ordering roadmap, managing cross-team delivery.
  • Hire and onboard new engineers, ensuring rapid productivity in agentic-coding workflows.

Aledade is a healthcare technology company focused on empowering primary care through data and AI. With a team of engineers and healthcare experts, they foster a culture of innovation and collaboration in a regulated environment.

Global

  • Lead a team of 4–8 full-stack engineers as a player/coach, spending ~40% of time coding and in agent pipelines.
  • Design and operate Claude agent teams using multi-agent pipelines to parallelize engineering work and increase team leverage.
  • Own delivery end to end, set technical standards, and build the systems that make the team scale.

LumiMeds is a fast-growing U.S.-based telehealth startup focused on weight management and long-term metabolic health. As a remote-first, globally distributed early-stage company, they value clarity, accountability, and high ownership from every team member.

US

  • Lead day-to-day engineering execution across product and platform initiatives.
  • Partner closely with the CTO on technical architecture, roadmap planning, and engineering strategy.
  • Recruit, hire, and develop a high-performing engineering organization.

Lynd Clinical is building the AI-native operating system for clinical research sites, aiming to reduce administrative burden and improve patient recruitment through intelligent software and automation. They are a fast-moving startup seeking a hands-on Director of Engineering to lead product development and grow their engineering team.

US Unlimited PTO

  • Lead the architecture and implementation of major initiatives on a grantmaking platform.
  • Provide technical leadership across all phases of large-scale engineering work, from design through rollout.
  • Mentor engineers, raise architectural literacy, and champion thoughtful use of AI in the SDLC.

Fluxx is a collaborative grant management platform that helps foundations, government agencies, and nonprofits streamline the grantmaking process. With over 400 customers and more than $39B in grants managed annually, Fluxx is a people-first, inclusive workplace committed to continuous learning.

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 Unlimited PTO 16w maternity 16w paternity

  • Design, build, and deploy AI-powered solutions connecting Remote’s platform to customer systems and workflows.
  • Work at the frontier of practical AI, shipping reliable, observable, and secure systems in production.
  • Own customer outcomes from discovery through production rollout with high autonomy and direct influence on product roadmap.

Remote is a global HR platform that helps businesses recruit, pay, and manage international teams compliantly. The company fosters a future-focused, async culture with team members across 6 continents and emphasizes innovation, automation, and AI.

US Unlimited PTO

  • Lead design and architecture of scalable backend services and modern full-stack applications using Python and React/Next.js.
  • Drive technical leadership across complex initiatives, mentoring engineers and establishing engineering best practices.
  • Partner with Product, Design, and Data teams to deliver AI-powered solutions that advance healthcare engagement and patient outcomes.

Impiricus is the first AI-powered HCP Engagement Engine that ethically connects life sciences companies to physicians. Named the #1 fastest growing company by Deloitte in 2025, we are a fast-growing company guided by a council of over 2,000 HCP advisors.

Africa Global

  • Own the end-to-end technical architecture of Sparkrock's SIS platform, spanning legacy VB6/COM/T-SQL systems and modern C# layers.
  • Direct AI coding agents (Claude Code) to implement architectural decisions — you design, agents build.
  • Define and enforce architectural guardrails: domain boundaries, coding conventions, and integration patterns for AI agents to follow.

Sparkrock helps social benefit organizations like nonprofits, school boards, and government agencies reach their full potential through technology. The company is a best-in-class, 100% remote organization with the brightest talent from around the world.

$160,000–$180,000/yr
US Unlimited PTO

  • Identify systemic engineering challenges across our platforms and drive their resolution.
  • Write code, review PRs, debug production issues, and optimize system performance.
  • Partner with engineering teams as a technical point of contact on complex projects.

Zeta Global is an AI-Powered Marketing Cloud that leverages advanced artificial intelligence (AI) and trillions of consumer signals to help marketers acquire, grow, and retain customers more efficiently. They were founded in 2007 and are headquartered in New York City with offices around the world.