Source Job

Canada

  • Develop secure, well-tested backend features using Ruby and GraphQL, turning complex requirements into clear solutions without compromising reliability.
  • Design and maintain backend services, APIs, data models, and business logic that support intuitive source code workflows.
  • Collaborate across functions, monitor production health, participate in on-call, and share knowledge through code review and documentation.

Ruby GraphQL SQL Backend Development Testing

20 jobs similar to Senior Backend Engineer, Create: Source Code Experience (Ruby)

Jobs ranked by similarity.

UK Unlimited PTO

  • Develop secure, well-tested, performant features and improvements using Ruby and GraphQL.
  • Work through complex requirements and legacy constraints to deliver clear solutions while protecting system reliability.
  • Collaborate across functions and teams, contributing to backend services, APIs, data models, and business logic for repository management.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, and reduce security and compliance risk. More than 50 million registered users and over 50% of the Fortune 100 trust GitLab, and the company fosters a high-performance culture driven by values, AI integration, and continuous knowledge exchange.

Europe

  • Lead backend features from early product discussions through technical design, implementation, and rollout.
  • Build the APIs, data models, and evaluation systems behind agent-generated work items and mergeable code.
  • Collaborate with product, design, and users to shape scope and make practical trade-offs.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, and reduce security and compliance risk. With over 50 million registered users and more than 50% of the Fortune 100, GitLab has a high-performance culture driven by values, continuous knowledge exchange, and AI as a core productivity multiplier.

$176,000–$253,000/yr
US Unlimited PTO

  • Partner with product and clinical teams to turn vision into shipped product, owning architecture end to end for new member- and care team-facing experiences.
  • Apply broad technical judgment across languages and systems, using modern engineering and AI-assisted tools to quickly evaluate tradeoffs and guide delivery.
  • Set the quality bar with clean, well-tested, scalable code and mentor other engineers to remove ambiguity and ship fast.

Omada Health is reverse engineering the way healthcare is delivered in America, focusing on chronic conditions between doctor visits. They have served over two million members across 2000+ employers and health plans and are a certified Great Place to Work.

US Unlimited PTO

  • Architect and evolve backend APIs, services, event-driven workflows, and data models supporting millions of users.
  • Lead ambiguous technical initiatives from discovery through production, improving reliability and performance.
  • Partner with cross-functional teams and mentor engineers to raise the quality bar across the organization.

TeamSnap is a sports and communication platform dedicated to taking the work out of play in youth sports. They have been remote-first since 2009 and are named to Outside Magazine's 'Best Places to Work' and Built In's '100 Best Remote-First Places to Work.'

Poland UK Unlimited PTO

  • Design and ship moderate to complex backend features with minimal guidance, driving technical direction.
  • Advocate for product quality, security, and performance, defining backend standards for style, maintainability, and operational readiness.
  • Mentor associate and intermediate engineers, remove technical blockers, and use AI in production engineering to improve outcomes.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. With over 50 million registered users and trusted by more than 50% of the Fortune 100, GitLab fosters a high-performance culture driven by values and continuous knowledge exchange.

Brazil

  • Develop, maintain, and enhance Ruby on Rails applications, APIs, and backend services.
  • Design and optimize PostgreSQL or MySQL database structures, queries, and indexes.
  • Participate in code reviews, improve engineering standards, and maintain clean, scalable codebases.

The company develops scalable web applications for modern digital products and growing businesses. It offers a collaborative, remote-first culture focused on engineering excellence and clean code.

Global 4w PTO

  • Collaborate with the Product Manager to review specs and prepare integration plans, breakdowns, and estimations.
  • Drive hands-on code implementation, PRs, code reviews, and testing while working with Ruby on Rails and modern web technologies.
  • Enjoy autonomy to run experiments and bring new ideas to the table, directly reporting to the Tech Lead and co-founder.

EverAI builds the world's largest AI companionship platform, redefining how people connect with AI through its proprietary moderation system, EverGuard. The team consists of about 75 passionate, hardworking individuals led by founders with strong entrepreneurial experience scaling web products from 0 to IPO.

$105,850–$113,150/yr
Canada

  • Design, build, and maintain secure, scalable backend services, databases, and APIs that support our products.
  • Lead technical direction, design discussions, and coordinate delivery across multiple systems.
  • Collaborate with Product, Operations, and other engineering teams to deliver reliable software.

Tucows Domains is the world's largest wholesale domain registrar, responsible for maintaining the health, neutrality, and openness of the domain name system (DNS). As part of Tucows, one of the world's largest Internet companies, they have over 1,000 employees from over 20 countries and embrace a people-first, remote-first culture.

Brazil 6w PTO

  • Build and maintain the core API that customers, SDKs, Terraform provider, and internal systems depend on.
  • Work with our platform architect and lead backend engineer on design and implementation.
  • Contribute to the developer-facing surface: REST APIs, webhooks, and SDK compatibility.

Megaport is the global leader in Network as a Service (NaaS), connecting businesses to the cloud, data centers, and each other. With over 600 employees across Asia-Pacific, Europe, and the Americas, the company fosters a collaborative, supportive, and fun culture.

$130,000–$155,000/yr
United States Canada

  • Design, develop, and deploy highly scalable backend services using Python.
  • Collaborate with cross-functional teams to translate business requirements into technical solutions.
  • Optimize application performance and mentor junior engineers to ensure code quality and team growth.

Left Field Labs is a creative technology agency that builds transformative digital experiences for ambitious brands like Google, Amazon, and Meta. Since 2008, we've delivered end-to-end digital transformation services, fostering a culture of innovation and collaboration in a remote-first environment.

$90,000–$120,000/yr
US Unlimited PTO

  • Own backend features end-to-end from discovery to rollout.
  • Design and evolve distributed systems with performance and scalability.
  • Build and maintain APIs and data pipelines for analytics and machine learning.

Traackr is a global SaaS company providing a data-driven influencer marketing platform. The company is remote-first with offices in multiple countries and a culture based on trust, diversity, value, ownership, and mutual success.

$150,000–$175,000/yr
US

  • Design and ship backend services powering clinical charting, scheduling, task management, and care coordination.
  • Own features end-to-end from shaping approach with stakeholders through production rollout.
  • Use AI-native development tools and practice small-batch, continuous delivery to ship safely and frequently.

Form Health is a virtual obesity medicine clinic delivering multi-disciplinary evidence-based obesity treatment through telemedicine. Founded in 2019, Form Health is a venture-backed innovative startup with an experienced clinical and leadership team, deeply committed to putting patients first.

Canada

  • Design and build core backend systems that power Lime's fleet of connected vehicles.
  • Collaborate cross-functionally with engineers, data scientists, and product managers.
  • Contribute to shaping engineering culture and participate in an on-call rotation.

Lime is a global leader in micromobility on a mission to make transportation shared, affordable, and carbon-free. A Time Magazine 100 Most Influential Company, it has powered over one billion rides across 30 countries.

Global

  • Develop backend services using Rust and related technologies.
  • Collaborate with the team using Agile/Scrum methodologies.
  • Ensure code quality through Git version control and SQL database management.

Two-Up is a growing start-up working on the principles of a software house. They are a small, flexible company with a supportive team that values project quality and humor.

UK

  • Design, build, and maintain backend services and APIs that support GTM and growth platforms.
  • Contribute across the stack, including frontend work, and guide technical direction for systems you own.
  • Review code, mentor junior engineers, and document system design decisions for distributed teams.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. Trusted by more than 50 million users and 50% of the Fortune 100, GitLab fosters a high-performance, values-driven culture where AI is a core productivity multiplier.

Canada

  • Design, develop, and launch backend systems at scale using Python or Kotlin, ensuring high availability and performance.
  • Collaborate with product management, design, and analytics to articulate technical constraints and make data-driven decisions.
  • Foster a culture of quality and ownership through code reviews, tech talks, and mentoring team members.

Affirm is reinventing credit to make it more honest and friendly, offering flexible buy now, pay later solutions without hidden fees. The Engineering team builds scalable, performant systems to power Affirm's mission, with a focus on reliability and innovation.

US Canada

  • Design and build backend services that power core business workflows.
  • Own projects end-to-end from early design through production and iteration.
  • Make thoughtful tradeoffs between speed, scalability, and maintainability.

Short Story is an award-winning, technology-powered retailer dedicated to petite women 5'4" and under. It is a fast-growing startup backed by leading investors, with a culture that thrives on data insights, exceptional commitment to fit, and urgency.

India

  • You will write clean, secure, efficient, and maintainable code.
  • You will solve complex technical problems.
  • You will review code and participate in architecture discussions.

BigBinary is a remote software development agency that builds custom web and mobile apps. The company promotes a culture of learning, open source contribution, and sustainable pace.

  • Design, build, and maintain backend systems with a focus on scalability and performance.
  • Develop high-performance APIs, microservices, and cloud-based architectures.
  • Collaborate with founders to define technical strategy and align it with business goals.

SignalFire is a venture capital firm that partners with top early-stage startups shaping the future of technology. With a portfolio of over 200 innovative companies across AI, cybersecurity, healthtech, fintech, developer tools, and enterprise SaaS, they connect exceptional engineers with exclusive early-stage opportunities.

$124,800–$183,400/yr
US

  • Work closely with product managers, designers, and other engineers to build features and improve the platform.
  • Extend our API and back-end systems, interfacing directly with our PostgreSQL cluster.
  • Solve challenges in architecture, security, performance, and scalability while mentoring other engineers.

GOAT Group operates leading platforms for authentic sneakers, apparel and accessories. With a global community of over 60 million members across 170 countries, the company is backed by top venture capital firms.