Source Job

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.

Ruby On Rails SQL PostgreSQL API Docker

20 jobs similar to Sr. Backend Engineer

Jobs ranked by similarity.

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.

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.

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 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.

$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

  • 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.

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.

Canada Unlimited PTO

  • Design and evolve backend services and APIs that power enterprise workflows across organizations.
  • Model and maintain complex relational schemas (Postgres) with strong tenant isolation, data scoping guarantees and performance considerations.
  • Design and implement robust authorization patterns (RBAC, Scoped permissions, least privilege).

CoLab is a cloud based platform for engineering design review, helping mechanical engineering teams bring life-changing products to market sooner. They are a company that makes it easy for subject matter experts to access, evaluate, and comment on 2D drawings and 3D models.

Global

  • Contribute to architecture and development across Agency Module and Billing systems.
  • Design and implement robust backend APIs for subscription management and payments.
  • Deliver performant frontend experiences for agency onboarding and billing dashboards.

HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. With over 1,500 team members across 15+ countries, they operate in a global, remote-first environment.

Europe

  • Building scalable systems in an innovative environment.
  • Shaping the value we deliver to our customers.
  • Making architectural decisions that will hold up as we grow.

Dragonboat is a leading provider of an AI platform for Strategic Product and Portfolio Management. They are a venture-backed, fast-growing SaaS startup with remote teams in Portugal and the US.

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

  • Build and maintain plugins that connect our platform with external systems, APIs, and databases.
  • Develop and implement custom plugins for our customers to integrate their systems with Kestra.
  • Perform thorough testing of integration solutions to identify and resolve issues promptly.

Kestra's mission is to make orchestration and automation simpler. They are an open-source platform that helps teams manage complex workflows, and are looking for engineers to help them take things to the next level.

$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.

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.

Global

  • Design and implement scalable and robust backend services.
  • Develop APIs and integrate third-party services and Solana RPCs.
  • Manage databases (PostgreSQL, MongoDB) and ensure data integrity and security.

Solflare is a fast-growing crypto wallet provider building a gateway to Web3, securing billions in digital assets. Founded in 2021, Solflare has a global team of nearly 150 people with offices in Zagreb, Belgrade, and Novi Sad, fostering a culture that empowers ownership and rewards curiosity.

Canada US

  • Collaborate with data analysts to spec and build features that draw new customers to our product.
  • Provide a backend to our mobile and web frontends, to do things like search transactions or send wire transfers.
  • Build admin tools to increase the efficiency of day-to-day support operations, like identifying fraudulent customers or managing accounts.

Mercury is a financial technology company serving over 100,000 businesses. They value diversity & belonging and is proud to be an Equal Employment Opportunity employer.

$100,000–$135,000/yr
Canada

  • Design, build, and maintain backend API services that power our e-commerce platform.
  • Own features end-to-end, from understanding the problem through implementation, testing, release, and production support.
  • Ship code continuously through our delivery pipeline, with proper review, testing, and documentation at every step.

Elastic Path's mission is to break through barriers that prevent commerce leaders from delivering extraordinary shopping experiences by making Composable Commerce accessible to all brands. They are a remote-first company focused on a culture built on mutual respect, curiosity, honesty, and the belief that everyone’s voice matters.

Mexico

  • Provide deep technical expertise in backend development, code reviews, and architectural discussions, ensuring best practices are followed.
  • Design, develop, test, and deploy backend software solutions using Node.js and Java, adhering to high-quality standards.
  • Architect and optimize relational database schemas, write efficient queries, and ensure data integrity and performance.

Sutherland is a global team creating breakthrough solutions. They are a leading global provider of business process and technology management services offering an integrated portfolio of analytics-driven back office and customer-facing solutions.

Europe 4w PTO

  • Design and develop backend systems and APIs using Node.js that power our vibe coding platform.
  • Take ownership of backend features and services, learning to make architectural decisions with guidance from senior engineers.
  • Work on API performance, database optimization, and system scalability.

Hostinger is shaping the future of online success–powered by AI and driven by people. With 900+ talented professionals and over 4 million clients in 150 countries, they help creators and entrepreneurs bring their ideas to life faster and easier than ever before.