Source Job

US

  • Architect and evolve internet-scale systems with performance, reliability, and scalability.
  • Lead the technical direction for Ruby on Rails and React applications across the platform.
  • Design clean, extensible APIs and modern front-end architectures that deliver fast, intuitive user experiences.

Ruby On Rails React JavaScript MariaDB GraphQL

20 jobs similar to Principal Software Engineer

Jobs ranked by similarity.

$190,000–$240,000/yr
US Unlimited PTO

  • Lead the development of end-to-end product features with a focus on scalability and performance.
  • Set technical direction and architectural standards across projects.
  • Collaborate with product, design, clinical, and operations teams to deliver solutions.

Pair Team is a company focused on improving access to care for underserved communities through its care delivery platform. They value diversity and strive to provide an inclusive environment for all applicants and employees, with rapid career progression and plenty of room for personal growth.

Canada

  • Deliver software to enable new customer initiatives and own the balance between time to launch, ability to pivot, and ability to scale.
  • Learn from our customers by shipping software and understanding the market environment.
  • Collaborate with coworkers in Product, Design, Data, and Operations.

Lime is the largest global shared micromobility business, operating in close to 30 countries across five continents with a mission to build a future where transportation is shared, affordable and carbon-free. Named a 2025 Time 100 Most Influential Company, Lime continues to set the pace for shared micromobility globally.

US

  • Provide technical and design leadership across high impact projects that directly impact business goals
  • Partner with the designers and product managers to create an engaging and transparent customer experience
  • Design, develop, test, deploy, maintain, and enhance large scale software solutions

Truelogic is a leading provider of nearshore staff augmentation services headquartered in New York. Their team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects.

$190,000–$240,000/yr
US Unlimited PTO

  • Own core product initiatives and drive full-stack development using modern web technologies
  • Build scalable, high-performance applications that support both clinical and patient experiences
  • Collaborate closely with product managers, designers, and platform engineers to deliver seamless, user-centered solutions

Pair Team is building a new kind of healthcare system across Medicaid, Medicare, and public assistance programs. As an AI-enabled medical group, they partner with shelters, food pantries, and community organizations to deliver “whole-person” care and are currently the largest complex care provider in California with over 500 employees and are expanding nationally.

EMEA LATAM North America

  • Work directly with the co-founders on priorities, execution, and technical direction
  • Act as the glue between engineering and product, ensuring alignment across teams and parallel projects
  • Lead greenfield projects from the ground up, building new products powered by LLMs and AI technologies

Amplemarket is an AI-powered sales platform helping B2B companies generate more opportunities. They are backed by Y Combinator and power sales teams at companies like Deel, Moveworks, H1, and Vanta.

US North America 4w PTO 16w maternity 4w paternity

  • Turn fleet data into clear guidance for high-level decisions.
  • Deliver high quality reports, dashboards, and data insights.
  • Collaborate with Product Managers, Designers, and Engineers.

Fleetio is a modern software platform that helps thousands of organizations worldwide manage their fleet operations. They raised $450M in their Series D funding round in March of 2025 and are on an exciting trajectory as a company.

$90,875–$120,025/yr
Canada

  • Plan out solution designs and release strategies in collaboration with other engineering teams and stakeholders
  • Implement the core business logic of our practitioner workflows to deliver care to their patients
  • Build and maintain integrations with internal and external data providers to power our clinical decision support tools

Fullscript is a health technology company with a mission to help people get better. They provide a platform that powers every part of care, connecting practitioners with clinical insights, patient analytics, education, and access to high-quality supplements, serving over 125,000 practitioners and 10 million patients.

US

  • Drive technical strategy and architectural decisions across multiple teams and stack layers
  • Solve ambiguous, cross-cutting problems that span dashboards, mobile, AI, and backend services
  • Define and champion spec-driven development practices organization-wide

SERHANT. is the most followed real estate brand in the world, calibrated for the marketplace of tomorrow, delivering proven results for buyers, sellers, and developers. SERHANT. revolutionizes the traditional brokerage model by innovating through media and content creation and is powered by a full-service in-house film studio as well as an amplification platform.

North America

  • Design and build AI agents that guide users through complex workflows in customer support.
  • Collaborate cross-functionally with TPM, PM and platform teams to translate business goals into Agentic solutions.
  • Define best practices and framework for prompt engineering, agent evaluation, and agent self-learning across different Agentic solutions.

ServiceNow is a global market leader that brings innovative AI-enhanced technology to over 8,100 customers. They connect people, systems, and processes to empower organizations to find smarter, faster, and better ways to work, and they include 85% of the Fortune 500®.

$98,000–$210,000/yr
Global

  • Develop and iterate backend features and data frameworks that make it safe and efficient to work with data at scale.
  • Collaborate with product management, UX, frontend, infrastructure, software delivery, and analytics teams to design and ship high-performing, reliable solutions.
  • Review and improve database-related changes from other engineers and external contributors to ensure data integrity, safety, and performance across diverse environments.

GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. They unite teams and organizations, breaking down barriers and redefining what's possible in software development.

Latin America

  • Design and build high-performance, secure, and well-documented code that integrate with an ecosystem of existing services and apps.
  • Diagnose and optimize system bottlenecks, ensuring high availability and low-latency performance across large-scale workloads.
  • Leverage AWS services, Kubernetes and modern DevOps practices to build and deploy production-grade systems at scale.

Marsie connects top-tier engineers from Latin America with leading global teams, embedding experienced engineers into clients’ teams. Their engineers work on complex systems across modern stacks and cloud environments, while enjoying a remote culture built on trust and long-term relationships.

$125,235–$150,690/yr
North America Unlimited PTO

  • Lead architecture and system design for high-scale, member-facing systems, making thoughtful tradeoffs between velocity, reliability, and long-term maintainability
  • Drive complex, cross-team initiatives from idea through execution, ensuring delivery of measurable business impact
  • Partner cross-functionally with Product, Design, Data, and other Engineering teams to shape roadmaps and align technical strategy with company goals

MasterClass is a streaming platform where the world’s best come together so anyone, anywhere, can access and be inspired by their knowledge and stories. They are a remote-first workforce with collaborative work spaces in San Francisco and Kitchener, Ontario, and employees in several U.S. states.

Canada 4w PTO

  • Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
  • Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
  • Integration of data from various back end services and databases

Ignition is a recurring revenue and billing automation platform for firms and agencies to transform their sales, billing and payment processes. They empower businesses to sell, bill and get paid for their services with ease. Ignition's global workforce spans Australia, Canada, New Zealand, the Philippines, the USA and the UK and values a collaborative, open, and transparent culture.

Global

  • Lead multi-sprint initiatives, especially in user-facing surfaces
  • Improve system quality and dev experience by building durable abstractions
  • Drive technical direction within your team, contributing to architecture

Onebrief provides collaboration and AI-powered workflow software designed specifically for military staffs, making them faster, smarter, and more efficient. The company values ownership and excellence and operates as an all-remote company with a team spanning veterans and technologists; valued at $2.15B.

Global

  • Working closely with stakeholders to refine requirements and ensure seamless execution.
  • Evaluating technical approaches and recommending optimal solutions.
  • Driving the development and refinement of services and tools.

Miratech is a global IT services and consulting company that brings together enterprise and start-up innovation, supporting digital transformation for some of the world's largest enterprises. The company retains nearly 1000 full-time professionals and its annual growth rate exceeds 25%.

$172,279–$291,466/yr
Global

  • Partner with cross-functional teams to create innovative features and developer experiences with our APIs
  • Rapidly prototype and implement new product features from ideation to production
  • Collaborate closely with early access developers to deliver scalable and efficient API features

Quora's mission is to grow the world's collective intelligence, providing platforms like Quora and Poe for knowledge sharing and AI interaction. They foster a culture of transparency and collaboration within their global teams, encouraging idea-sharing and experimentation.

$187,000–$283,800/yr
US

  • Design, build, and ship full-stack growth experiments end-to-end
  • Improve key metrics across acquisition, activation, engagement, and monetization
  • Analyze experiment results and iterate quickly based on data

Calendly's product helps millions of people with scheduling. They have a product growth team and a collaborative culture.

Global

  • Develop and deliver full-stack AI-powered applications.
  • Work closely with customers and internal teams to tailor solutions.
  • Write clean, tested, and maintainable code.

SD Solutions is a staffing company operating globally. They connect talented individuals with companies.

Global Unlimited PTO

  • Ship full-stack features - React frontends, backend APIs, data layers, infra scripts, etc.
  • Review code, mentor engineers, and raise the bar across the team
  • Lead architecture & technical standards without red tape

Teramind pioneers a predictive, AI-driven approach to safeguard organizations' people, data, and operations. As a global leader in user behavior analytics, insider risk management, and workforce intelligence, they empower businesses to transform data into a strategic asset.

Latin America

  • Contribute to key architectural decisions and support a large scale re-imagining of our Site Generation and Site Builder Experience
  • Design and build cloud-native APIs, services, and front-end experiences used across our platform to support building Websites
  • Write clean, testable, scalable code across the stack

Luxury Presence is building the AI platform for real estate. Backed by Bessemer Venture Partners and other top investors, they’re a Series C company on track to hit $100M in annual recurring revenue in the next six months.