Source Job

Canada

  • Design and implement scalable, secure, and maintainable backend systems primarily using Ruby on Rails.
  • Lead the architecture and development of backend services with a strong focus on performance, reliability, and long-term maintainability.
  • Identify systemic technical debt, architectural constraints, or operational inefficiencies that slow development or impact customer experience, and lead cross-team efforts to address them.

Ruby On Rails PostgreSQL API Docker AWS

20 jobs similar to Principal Backend Engineer

Jobs ranked by similarity.

Canada

  • Design and implement robust, scalable, and maintainable backend systems, primarily using Ruby on Rails.
  • Develop and integrate APIs that enable secure, efficient, and reliable communication between backend services and external systems.
  • Take ownership of backend features and functionality, contributing to development from design through deployment.

NovoEd is an enterprise learning platform that helps organizations build critical capabilities at scale through collaborative and experiential learning. Founded in 2012 out of Stanford’s Social Algorithm Laboratory, NovoEd has grown into a trusted partner for many of the world’s leading companies, executive education providers, and training organizations.

$193,600–$253,000/yr
US

  • Lead architecture, system design and engineering efforts for high-scale, data-intensive B2B systems supporting eligibility, billing, marketing, and file ingestion.
  • Design and implement batch and real-time processing architectures that are reliable, observable, and performant.
  • Drive efforts in database performance optimization, schema design, and long-term scalability planning across multi-terabyte PostgreSQL and other persistent stores.

Omada Health is a digital care provider that empowers people to achieve their health goals through sustainable behavioral change. Their multi-condition platform treats diabetes, hypertension, prediabetes, musculoskeletal, and GLP-1 management.

$128,000–$200,000/yr
US Canada UK

  • Lead the design and delivery of platform services and libraries that teams across Jane adopt and rely on, balancing transformational work with new capability building.
  • Drive improvements to the main Rails monolith - upgrading dependencies, improving architecture, and raising code quality standards so teams can move with confidence.
  • Partner with feature teams to understand their needs, propose scalable solutions, and mentor them through implementation, removing blockers along the way.

Jane is a founder-led, high-growth SaaS company that builds products and tools for clinics to run their businesses and care for their patients. They are a team of more than 700 people working remotely across Canada, the US, and the UK, and embrace the possibilities of AI.

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.

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.

OfficeSpace is the AI workplace management platform that helps teams plan, connect, and perform in the modern workplace. They are a performance-based, PE-backed company, that hires based on merit and a willingness to do what it takes to succeed long-term.

Canada

  • Plan out solution designs and release strategies in collaboration with other engineering teams and stakeholders
  • Implement the core business logic of our patient workflows to deliver a high quality, care focused experience
  • Contribute to technical improvements, develop and maintain quality standards

Fullscript is a health technology company with a mission to help people get better by making it easier for practitioners to access the products they trust. Today, more than 125,000 practitioners use Fullscript, and over 10 million patients rely on it to stay connected to their care plans.

US Latin America Europe India 4w PTO

  • Design and build high-performing, distributed APIs and microservices that scale to handle heavy traffic
  • Design efficient database schemas and optimize complex queries for large, interconnected datasets
  • Write testable, maintainable code with a bias toward self-documenting practices

SalesRabbit is a leader in field sales, operating as the only fully integrated field sales management platform, continuously evolving enterprise-ready selling solutions. They have a team of 100+ and growing, and the engineering team is largely remote, working across the US, Latin America, Europe, and India.

Global Unlimited PTO

  • Help self-managed customers run GitLab reliably.
  • Make GitLab easier to deploy and more secure by default.
  • Improve installation, upgrade, and day-to-day operations.

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. More than 50 million registered users trust them.

Canada

  • Develop and maintain scalable and resilient RESTful APIs using Ruby on Rails.
  • Participate in the full development cycle: architecture, implementation, automated testing, deployment, and production monitoring.
  • Ensure technical quality through Code Reviews and adherence to engineering best practices.

Jobgether connects job seekers with partner companies. They use AI-powered matching to ensure applications are reviewed quickly and objectively.

US Unlimited PTO

  • Design and develop next-generation Security Platform Management capabilities that strengthen GitLab’s enterprise security offering
  • Build and optimize scalable backend services and data models in Ruby on Rails with PostgreSQL for large volumes of security data
  • Develop and maintain robust REST and GraphQL APIs that power security workflows across the GitLab platform

GitLab is the intelligent orchestration platform for DevSecOps. With over 50 million registered users GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. They embrace AI as a core productivity multiplier, and value knowledge exchange, enabling team members to reach their full potential while collaborating with industry leaders to solve complex problems.

$53,300–$119,850/yr
Global Unlimited PTO 11w maternity

  • Lead the development of major team-scoped projects, participate in cross-team initiatives
  • Actively participate in product work in the team: provide feedback, suggest solutions to the problems.
  • Use technical insights and expertise to suggest product improvements

Remote is solving modern organizations’ biggest challenge – navigating global employment compliantly with ease. They enable businesses of all sizes to recruit, pay, and manage international teams with a future-focused work culture. The team works asynchronously around the world.

  • Harden CI/CD (GitHub Actions or Jenkins); build/test containers and deploy via Helm to AWS (EKS or ECS).
  • Own architecture decisions and keep it pragmatic: “simple first, scalable where it matters.”
  • Real experience running things in production: CI/CD, Docker, monitoring, and incidents.

INFUSE is committed to complying with applicable data privacy and security laws and regulations. They aim to hire individuals who are excited to join INFUSE, aligning with their company culture.

US Unlimited PTO

  • Design, build, and ship backend services that support user-facing features across mobile and web experiences
  • Collaborate closely with frontend engineers, product managers, designers, and data partners
  • Lead backend technical planning and contribute to architecture decisions that improve scalability, reliability, and performance

OnePay is a consumer fintech that aims to improve financial systems for millions of Americans. They provide an all-in-one financial services platform, partnering with employers to deliver embedded financial services to employees and frontline workers.

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.

Americas APAC EMEA Unlimited PTO

  • Design and implement edge traffic routing that directs requests to the correct Cell in a way that's transparent to users.
  • Build and evolve the Topology Service that serves as the authoritative source of cluster state for routing, resource assignment, and Cell lifecycle decisions.
  • Operate and improve the routing and topology systems you build by participating in tier-2 on-call, responding to escalated incidents, and strengthening observability and operational tooling.

GitLab is the intelligent orchestration platform for DevSecOps that enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. GitLab's 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.

$170,000–$190,000/yr
US

  • Own the evolution of major subsystems, including GraphQL APIs, event-driven service communication (EventBridge/SQS), and data scaling.
  • Deliver primary technical contributions across Ruby/Rails APIs, SvelteKit/TypeScript frontends, and AWS serverless infrastructure.
  • Optimize our serverless background processing framework, currently supporting 400+ Lambda-backed workers.

KnowBe4 is a cybersecurity company that puts security first and provides an AI-driven Human Risk Management platform, empowering organizations to strengthen their security culture. They have unusually high customer retention rates and recognition as a Leader by G2 and TrustRadius.

Canada

  • Design, implement, and maintain scalable platform services and APIs.
  • Build and improve APIs and plugin frameworks enabling partner integrations.
  • Improve platform reliability, observability, and application performance.

HappyCo builds mobile and cloud solutions to enable real-time property data. Their flagship product suite 'Happy Property’ has more than 5 million units on its platform and they strive to build better communities with an inclusive, supportive culture where people can grow their careers.

$102,029–$130,618/yr
Canada

  • Designing and building scalable backend services in Go, working with PostgreSQL and DynamoDB, implementing event-driven architectures with RabbitMQ, and owning production systems end-to-end
  • Building exceptional user experiences across our mobile app (Angular/Ionic), web app (React), and admin tools
  • Owning the full implementation of features, from database schema design and API development to implementing the corresponding UI changes, eliminating handoffs and shipping complete solutions

KOHO's mission is to make financial services better for every Canadian by offering transparent, user-friendly products. They foster a remote-first, high-trust environment that values work-life integration and bold thinking.

Mexico

  • Build new features for the REST API & enhance the AWS infrastructure using C# and AWS CloudFormation.
  • Work with product management, designers, and QA team to implement new features and enhancements.
  • Optimize application performance, ensuring scalability and low latency across large datasets.

Varicent transforms the Sales Performance Management (SPM) market, redefining how organizations achieve revenue success. Our cutting-edge SaaS solutions empower revenue leaders globally to design smarter go-to-market strategies and maximize seller performance.

Global Unlimited PTO 11w maternity

  • Lead the development of major team-scoped projects and participate in cross-team initiatives.
  • Actively participate in product work, providing feedback and suggesting solutions.
  • Design and implement APIs with performance, scalability, and maintainability in mind.

Remote simplifies global employment by enabling businesses to compliantly recruit, pay, and manage international teams. They foster a future-focused work culture with asynchronous collaboration across continents.