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Global

  • Design, build, and maintain robust full stack features across backend and frontend layers, taking end-to-end ownership of what you ship.
  • Work primarily with Ruby on Rails on the backend, with strong consideration given to equivalent experience in Python, Rust, or Go.
  • Actively use AI tools and techniques as part of your engineering workflow, from code generation and review to broader problem-solving and productivity.

Ruby On Rails React Vue TypeScript JavaScript

20 jobs similar to Senior Full Stack Engineer (Ruby, Front End, AI)

Jobs ranked by similarity.

Global

  • Design and build full-stack applications combining modern frontend technologies with Python-based backend services
  • Develop intuitive user interfaces and high-quality user experiences using React, JavaScript, and HTML
  • Prototype and deliver AI-powered applications leveraging large language models

Smart Working connects skilled professionals with global teams and products for full-time, long-term roles. They aim to match people in roles where they truly belong and value growth and well-being, empowering them to grow both personally and professionally.

$171,600–$224,300/yr
US Unlimited PTO

  • Build and integrate tools to optimize contracting, eligibility, and billing processes.
  • Identify ways to improve, mentor others, and remove ambiguity as an informal team leader.
  • Leverage AI and ML tooling to deliver innovative solutions to complex problems.

Omada Health is a digital care provider that empowers people to achieve their health goals through sustainable behavioral change. They strive to build an inclusive culture where differences are celebrated and leveraged to inform better design and business decisions.

Global Unlimited PTO

  • Shape and scale GitLab CI backend infrastructure to improve performance, reliability, and usability.
  • Design and implement AI-powered features for Agentic CI, including agents and LLM-backed tooling.
  • Own and drive measurable performance improvements across CI systems.

GitLab is the intelligent orchestration platform for DevSecOps. They enable organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. Their high-performance culture is driven by their values and continuous knowledge exchange, enabling their team members to reach their full potential while collaborating with industry leaders to solve complex problems.

US

  • Design and build end-to-end features across frontend and backend systems
  • Develop scalable, maintainable, and secure software architectures
  • Implement AI-powered features using LLMs, embeddings, agents, or ML services

Crosslake supports changemakers and helps them buy, build, and run better technology. They empower others. Their expertise is earned and proven.

$140,000–$160,000/yr
US 4w PTO

  • Plan, develop, maintain, and refactor front and backend systems.
  • Collaborate with project managers, designers, and fellow engineers throughout the product life cycle.
  • Ensure the platform's infrastructure is robust, scalable, and efficient.

Clever is a venture-backed real estate technology company with a mission to revolutionize the way people buy, sell, and manage real estate. Combining technology with industry expertise, they create efficient and transparent real estate experiences and have helped consumers save over $210 million in real estate fees.

$120,000–$140,000/yr
US

  • Implement new features, improve user experiences, and fix bugs in a mature SaaS application.
  • Review PRs to educate others of best practices, pair program with people who are stuck on a problem, ensure the team is following agreed upon standards.
  • Work closely with the Implementations Team to turn customer needs/pain points into actionable work with technical designs.

Versapay turns accounts receivable (AR) into a competitive advantage. With over 10,000 customers and 5M+ companies transacting on the platform, Versapay processes over 110M transactions and $257B annually.

Europe

  • Develop a strong understanding of Workera's AI-powered platform, customers, and business model.
  • Actively lead and deliver your first full project, owning backend architecture, build, and rollout end-to-end.
  • Architect and own backend systems that are robust, performant, and built to scale.

Workera is redefining how enterprises understand, develop, and mobilize talent in the age of AI. The company is a fast-growing, Series B Silicon Valley company building AI-native skill assessments for the world’s largest organizations, with clients including Samsung, Siemens Energy, and the U.S. Air Force.

US Unlimited PTO

  • Lead by example: contribute high-quality React code and set the standard for frontend craftsmanship across the platform
  • Shape architecture: design scalable component systems, state management patterns, and frontend infrastructure that support long-term growth
  • Mentor engineers: coach and support teammates through code reviews, design discussions, and problem-solving

WorkBoard’s Strategy Execution Platform powers the digital operating rhythm for companies around the globe, providing organization-wide clarity, alignment, and insights for growth. Based in Silicon Valley and founded in 2013, WorkBoard investors include Andreessen Horowitz, SoftBank, GGV Capital, Workday Ventures, M12 (Microsoft), Intel Capital, Silicon Valley Bank, and Capital One.

US Unlimited PTO 16w maternity

  • Lead the technical direction across multiple teams, focusing on innovative solutions.
  • Play a critical role in shaping the engineering culture and driving the implementation of AI tooling.
  • Execute large-scale infrastructure projects while collaborating with Product and other teams.

Columbia General is dedicated to improving lives through technology. While the company size is not explicitly mentioned, it values innovative solutions and engineering culture.

  • Lead the release of major frontend features and product updates.
  • Integrate AI tools into your daily development process to improve efficiency.
  • Play a key role in developing and refining the AI-powered interfaces our customers use.

Archy is transforming dental practice management with a vertical SaaS solution that provides cutting-edge tools for dentists. They are a growing team that values a customer-centric mindset, strong collaboration, and continuous improvement.

$175,000–$200,000/yr
US

  • Obsess over the details and applying first principle mindset to address challenges.
  • Solve product problems and build delightful user experiences for our users.
  • Develop and continually improve observability of activity and infra at scale.

Reveleer is the industry’s pioneering value-based care (VBC) technology platform, purpose-built to solve the most pressing real-world challenges faced by providers and health-plan organizations today. You will be joining a small team within Reveleer AI division.

US Canada Mexico 4w PTO 16w maternity 4w paternity

  • Research opportunities and run experiments.
  • Craft seamless user experiences.
  • Build features that drive user adoption of Fleetio’s product.

Fleetio is a modern software platform that helps thousands of organizations worldwide manage their fleet operations. They are on an exciting trajectory as a company, and transportation technology is a hot market where they're leading the charge.

$90,000–$103,000/yr
US

  • Collaborate with the CTO and product/engineering team to define and implement technical solutions
  • Own projects end-to-end — from architecture and implementation to testing and deployment — working autonomously across multiple areas of the stack
  • Use AI coding tools (such as Claude Code) extensively as a core part of your daily development workflow

Fullsteam provides vertical software and embedded payments technology dedicated to helping businesses flourish by providing their customers with seamless experiences. With a dynamic and growing team of over 1,900 employees, they are committed to driving innovation and delivering best-in-class software and payment solutions that empower small and medium-sized businesses across numerous industries.

$187,000–$271,920/yr
US

  • Own end-to-end features across the stack, with a strong emphasis on frontend: from collaborating on UX flows and designs, to building React/TypeScript UIs, to wiring those experiences into backend APIs and services.
  • Collaborate closely with Product, Design, and other engineers to break down problems, refine requirements, and ship incremental value behind feature flags and experiments.
  • Contribute to backend APIs and services : extend existing endpoints or services (e.g., in Node.js or Rails), design new data contracts, and ensure that backend changes are observable, well-tested, and resilient.

Calendly provides a platform for scheduling meetings. Millions of people rely on Calendly's products, and they are in the midst of their growth curve.

$160,000–$200,000/yr
US

  • Lead the design, development, and delivery of enterprise-grade, customer-facing web applications using modern microservices architectures.
  • Provide senior technical leadership through architecture decisions, design reviews, and code reviews, ensuring scalability, reliability, security, and maintainability.
  • Manage, mentor, and grow a distributed team of software and quality engineers, fostering a culture of ownership, accountability, and continuous improvement.

Firstup's mission is to improve the employee experience. They serve 40 of the Fortune 100 companies, reaching and connecting more than 17 million employees daily and are experts in the employee experience, workforce communications and technology.

Global

  • Own and evolve Trust OS, their AI platform.
  • Build AI-powered experiences across the stack.
  • Design and implement backend services in Go and integrate with LLMs and AI systems.

Trust Wallet is the leading non-custodial cryptocurrency wallet, trusted by over 200 million people worldwide to securely manage and grow their digital assets. They give individuals the freedom to own their assets and offer a seamless, multi-chain experience.

$180,100–$225,082/yr
US Canada

  • Provide leadership around process, tooling, systems, and software architecture.
  • Improve and help maintain existing systems — and lead the team in adopting AI-first approaches to do it faster.
  • Work closely with product managers, designers, and data teams to design, implement, and deploy systems that support our growing business

Babylist is the leading registry, e-commerce, and content platform for growing families. With over $1 billion in annual GMV, and more than $500 million in 2024 revenue, Babylist is reshaping the $320 billion baby product industry.

$180,000–$220,000/yr
US Unlimited PTO

  • Code, test, debug, document, and ship and maintain software applications using established coding standards and methodologies
  • Designing and building out API’s that will be consumed by the UI to surface application data.
  • Partner with product management to drive agile delivery of both existing and new products based on project requirements, UX design, and industry best practices

SentiLink provides innovative identity and risk solutions, empowering institutions and individuals to transaction with confidence. They are building the future of identity verification in the United States replacing a clunky, ineffective, and expensive status quo with solutions that are 10x faster, smarter, and more accurate.

$130,000–$170,000/yr
US

  • Drive the development of robust, scalable applications using a serverless-first mindset on AWS.
  • Design, build, and integrate solutions that utilize agentic AI, applying modern AI design patterns to automate and enhance complex workflows.
  • Champion modern, AI-assisted software engineering processes, leveraging tools like Claude Code to multiply team’s effectiveness.

Trajector specializes in medical evidence services, guiding clients through disability benefits. As part of a global team of over 1,800, they streamline the path to benefits, driven by urgency and data to improve lives.

Global

  • Collaborate with product management and stakeholders to deliver SaaS solutions.
  • Design, develop, and maintain backend services using Python and FastAPI for agentic workflows.
  • Contribute to developing multi-agent systems and integrate agents with third-party tools.

Granicus is dedicated to transforming the Govtech industry by uniting governments and constituents through technology. They offer cloud-based solutions for communications, website design, meeting management, and digital services, empowering stronger relationships between government and residents. The company has 5,500 federal, state, and local government agency customers.