Source Job

$120,000–$190,000/yr
US

  • Design and build scalable SaaS applications end-to-end with a focus on reliability, performance, and elegant architecture.
  • Drive system availability and performance, resolve reliability issues across the stack, and advocate for shift-left testing.
  • Leverage AI-assisted tools to accelerate development while maintaining rigorous engineering judgment and code quality.

Ruby On Rails TypeScript React.js Node.js Distributed Systems

20 jobs similar to Sr. Software Engineer, Fullstack

Jobs ranked by similarity.

Canada Unlimited PTO

  • Design, develop, test, and maintain internal integrations, tools, and solutions to enhance efficiency across Fullscript’s technical stack.
  • Build scalable applications, APIs, and integrations to support business growth and streamline operations.
  • Take ownership of features from planning to deployment, mentor peers, and advocate for high-quality, maintainable code.

Fullscript is a health technology company that powers a platform for practitioners to access supplements and tools for patient care. With over 125,000 practitioners and 10 million patients, the company fosters a collaborative, people-first culture focused on impact.

$124,800–$183,400/yr
US

  • Lead full stack architecture and system design, owning backend and frontend execution across consumer-facing features.
  • Optimize systems for performance, reliability, and cost, treating production health as a first-class priority.
  • Coordinate cross-functional delivery and set engineering standards as the team's technical anchor.

GOAT Group operates leading platforms for authentic sneakers, apparel and accessories, including GOAT, Flight Club, Grailed and alias. With a global community of over 60 million members across 170 countries, the company is backed by top venture capital firms and emphasizes a dynamic, collaborative engineering culture.

  • Design and build core fullstack systems that power Surge's platform.
  • Own frontend product decisions and backend architecture for high-impact workflows.
  • Build scalable systems for data collection, labeling, and evaluation.

Surge AI builds a platform that powers advanced AI models in partnership with companies like Anthropic, Google, Microsoft, and Meta. They are a profitable, small dynamic team with a focus on human intelligence and creativity in AI data.

$187,000–$271,920/yr
US

  • Design, build, and ship full-stack growth experiments end-to-end.
  • Improve key metrics across acquisition, activation, engagement, and monetization.
  • Collaborate daily with product managers, designers, and analysts, analyzing experiment results to iterate quickly.

Calendly provides a scheduling automation platform relied on by millions. The company fosters a culture of ownership, curiosity, and collaboration, with a focus on high-impact growth work.

$149,000–$201,000/yr
US Unlimited PTO

  • Partner with product and design teams to deliver customer-centric product experiences.
  • Architect and lead end-to-end lifecycle of projects from design to deployment.
  • Mentor junior engineers and leverage AI tools to amplify productivity.

Dutchie provides a comprehensive technology platform for dispensary operations and cannabis access. They have raised over $600M, power thousands of dispensaries, and were named one of Fast Company's most innovative companies.

India

  • Lead design and development of scalable full-stack applications with cloud-native and AI technologies.
  • Build AI-enabled applications using large language models, retrieval-augmented generation, and autonomous execution patterns.
  • Collaborate with cross-functional teams to translate business needs into technical solutions and drive engineering best practices.

This role is listed on behalf of a partner company that builds advanced AI-powered enterprise applications transforming customer interactions. The company has a flexible-first work culture supporting remote arrangements and offers professional growth opportunities.

$160,000–$200,000/yr
US 6w PTO

  • Own feature development from concept through delivery, including backend architecture, frontend implementation, testing, and production release.
  • Design, build, and maintain web and mobile application capabilities that support business and customer needs.
  • Collaborate with product, engineering, and business teams to define requirements and resolve technical challenges.

The company builds software solutions that support employee financial wellness and improve access to financial services. It operates with a remote-first culture and values collaboration and mentorship.

Global

  • Lead the design and delivery of complex, cross-cutting features spanning APIs, data models, and UI while mentoring mid-level engineers to raise the overall engineering bar.
  • Drive technical direction for new payments capabilities, including architecture trade-offs, operational feasibility, and risk assessment across a cloud-native orchestration platform.
  • Use AI-assisted development tools effectively and contribute to incident response, root-cause analysis, and platform reliability in a 100% remote team.

Xplor Technologies provides modern vertical software, embedded payments, and AI-powered capabilities for membership-based and service-based industries. With over 130,000 businesses in 72+ countries and $47 billion in annual payment volume, the company fosters a values-driven, inclusive culture focused on innovation and collaboration.

$205,000–$230,000/yr
US Unlimited PTO 8w maternity 8w paternity

  • Provide technical leadership across engineering teams, defining architecture and improving development practices.
  • Build scalable, secure, and maintainable systems across the full stack.
  • Mentor engineers and drive innovation in a fast-growing environment.

They are a mission-driven technology company focused on security and IT. They are a fast-growing organization with a culture of engineering excellence and collaboration.

US Unlimited PTO

  • Own features end-to-end—data model, Rails API, and front end—in a fast-paced agile environment.
  • Build product surfaces on top of LLMs and agents: ingestion, structured data, and UIs for reviewing and verifying AI-generated output.
  • Partner with a team lead or AI Engineer to take greenfield problems from ambiguous idea to shipped feature.

ApartmentIQ is an all-in-one data platform powering smarter decisions across multifamily properties, covering 40M units. We are a fully remote team of 100+ with a strict no a**holes policy, profitable and growth-stage.

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

  • Collaborate with Product Managers, Designers, and Data Ops to research, plan, and build features that drive user adoption.
  • Create user experiences and run experiments to increase engagement from trial users.
  • Build systems for customized onboarding and improve feature areas to reduce churn.

Fleetio is a modern software platform that helps thousands of organizations worldwide manage their fleet operations. The company has raised $450M in Series D funding and is on an exciting trajectory with a strong engineering culture.

$128,700–$153,400/yr
US 6w PTO

  • Influence: Makes an impact on the whole team, not just on specific parts of it.
  • Technology: Researches, creates proofs of concept, and introduces new technologies.
  • System: Owns the technical design, development, maintenance, and operational responsibilities for one or more projects or products.
  • People: Mentors others to accelerate their career-growth and encourages them to participate.

Bellese is a mission-driven Digital Services Company pioneering innovative technology solutions in civic healthcare. With a focus on service design, the company aims to improve public health outcomes and includes a team dedicated to the QMARS program at CMS.

$128,700–$153,400/yr
United States 6w PTO

  • Own design, development, and performance of full-stack applications for federal healthcare systems using Python and React or Angular with TypeScript.
  • Lead technical design decisions, introduce new technologies including AI, and mentor engineers to foster collaboration and ownership.
  • Work cross-functionally to support CMS Quality Management programs and improve healthcare delivery outcomes.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. The company operates remotely with a mission-driven, collaborative culture, and uses technology to ensure fair and efficient candidate evaluations.

$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.

$180,000–$200,000/yr
US

  • Build across the stack, owning fullstack features end to end from design through release.
  • Collaborate cross-functionally and take ownership in a fast-moving, meeting-light environment.
  • Use AI tools as a force multiplier and help shape our AI-native development practices.

Archive builds the technology that powers branded resale for some of the world's most beloved companies, including Lululemon, The North Face, New Balance, Dr. Martens, Peloton, and 50+ others. We're a small, low-ego team with high agency, backed by leading venture capital firms, and committed to changing consumer behavior for the better.

$140,000–$180,000/yr
US 3w PTO

  • Design, build, and ship features end-to-end using modern web technologies like TypeScript, Node, and React.
  • Operate in a product pod alongside Product and Design, owning outcomes from customer need through production.
  • Embrace an AI-native development model, using AI tools to accelerate implementation while maintaining high code standards.

Digible is a digital marketing company specializing in the multifamily industry, offering a full suite of services and the Fiona predictive analytics platform. Privately owned since 2017, the company has been recognized as a Top Workplace in Colorado and ranked #8 in Best Places to Work Multifamily, with a collaborative, transparent, and authentic culture.

US

  • Develop and maintain full-stack application features across React frontends, Node.js services, databases, and cloud infrastructure.
  • Design intuitive, accessible user interfaces for complex workflows and data-rich applications while using AI-assisted tools.
  • Apply modern engineering practices including TDD, automated testing, CI/CD, and deliver frequent, incremental releases.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. The company values efficiency, objectivity, and data privacy, operating in a fully remote environment with a focus on diversity and equal opportunity.

$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.

Architect

Onit
$155,900–$216,000/yr
US Unlimited PTO

  • Define and evolve system architecture for scalability, performance, and resiliency.
  • Lead design reviews and technical governance for major initiatives.
  • Drive adoption of modern architectural patterns like microservices and event-driven systems.

Onit is redefining legal operations with an AI-powered platform that streamlines enterprise legal management and contract processes. The company fosters a culture of innovation and growth, seeking bold thinkers to shape the next chapter of legal tech.

$145,000–$160,000/yr
United States Unlimited PTO

  • Develops complex, high-quality features and mentors teammates to improve software development practices.
  • Designs and optimizes large-scale systems with a focus on scalability, performance, and fault tolerance.
  • Champions technical strategy, drives continuous improvement, and leads small to medium-sized projects.

SRS Acquiom delivers a platform and services to help deal parties manage complex M&A and loan agency transactions more efficiently. Since 2007, the company has supported more than 11,500 transactions globally and fosters a culture of entrepreneurial energy, growth, and innovation.