backend engineer ruby

About Tailscale  Tailscale is making safe connection effortless by delivering software that makes it easy to securely interconnect people and their devices, no matter where they are. From hobbyists to multinational corporations, teams of every size use Tailscale each day to protect their networks, share access to internal tools, and more. We're building a...

About Covers and LegendHere at Covers, we're a top digital media company in the sports betting industry, with a clear sense of purpose and a belief that success comes from the strength of our team and our culture. We're proudly part of Legend. At Legend, we're building next-level player experiences. With 20+ years of proven success we’re the world's...

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure...

About the Role We're looking for a Senior Backend Engineer to own and build payment systems in our Engine, our core backend repository. You'll work on the systems that move money—payment inflows, outflows, ledgering, settlement, and direct integrations with card networks and banking systems. This role is about building clean, scalable, production-grade...

DescriptionGeneral Information:Job Title: Backend Engineer IIILocation: Toronto (Onsite/ Hybrid)Job Type: Full-TimeHiring Timeline: ImmediateReporting Line: Head of R&DExisting Vacancy: YesApplication Deadline: Open until FilledSalary Range: $105-125K CAD per year (negotiable) About Fulfillment IQ (FIQ):Fulfillment IQ is a supply chain engineering and...

Company Description Coffee Meets Bagel is a dating app designed for serious daters, focused on giving everyone a fair chance at meaningful connections. The company emphasizes not only high-quality matches, but also empowering daters with healthy habits and tools to date with confidence. Team members are encouraged to think big and help rebuild core systems,...

About Us At Bettermode, we are redefining how businesses streamline customer experiences and foster strong relationships. Our platform empowers businesses to seamlessly craft powerful web apps with engagement tools in its core tailored to their unique needs. Backed by Silicon Valley investors and trusted by brands like Lenovo, Mercedes, and IBM, we're proud...

About the company the company is the fastest-growing B2B fintech in Canada. We're on a mission to transform business banking for Canadian entrepreneurs and are looking to hire A-players interested in disrupting traditional banking practices. As the ONLY digital banking platform in Canada offering a truly modern solution, we have seen accelerated...

About the roleQuo's teams power key systems that help thousands of businesses communicate better. As a Staff Backend Engineer, you will own the technical strategy for how we design, build, and operate features across the product. You'll partner closely with leaders across engineering, product, and security to translate ambitious product ideas into scalable,...

As our Staff Backend Engineer, you'll architect features and systems end-to-end at an incredible pace. This is an intense, hands-on role with full ownership. We expect you to push for excellence and raise the bar. Responsibilities: Design and build core backend systems (Python preferred). Build APIs, services, and infrastructure that handle real-time,...

As our Staff Backend Engineer, you'll architect features and systems end-to-end at an incredible pace. This is an intense, hands-on role with full ownership. We expect you to push for excellence and raise the bar.Responsibilities:Design and build core backend systems (Python preferred).Build APIs, services, and infrastructure that handle real-time,...

Backend Software Engineer Location: Ottawa, ON (On-site) Reports to: Engineering Lead The Role You will be working on the backend systems that power AuraNet — Dominion Dynamics' mesh networking platform for autonomous assets operating in contested and disconnected environments. The platform handles real-time data distribution, end-to-end encrypted...

About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work...

MatchBox Consulting Group is currently seeking a Senior Backend Engineer for a 12 month contract role with a client of ours located in Vancouver. Responsibilities Deliver high quality software efficiently Provide technical leadership Write high quality, testable and easily maintainable code Develop test classes and automation test scripts to support Quality...

About Venn Venn is the fastest-growing B2B fintech in Canada. We're on a mission to transform business banking for Canadian entrepreneurs and are looking to hire A-players interested in disrupting traditional banking practices. As the ONLY digital banking platform in Canada offering a truly modern solution, we have seen accelerated growth—scaling to...

Our client is a premier, independent game development team known for crafting critically acclaimed, immersive gaming experiences. Operating with creative freedom alongside a global parent publisher, their mission centers on building high-impact, pioneering titles. Their studio environment is driven by mutual trust, open communication, team accountability,...

ABOUT YOU You will play a pivotal role in delivering high-impact software solutions across our platform. You bring curiosity, initiative, and a passion for clean, scalable systems. You collaborate effectively with teammates and cross‑functional partners to design, build, and improve our technical stack. You’re hands‑on, deeply engaged in the code, and...

Role Overview We’re seeking a Senior Backend Engineer to help design, build, and scale our next-generation social gaming platform. You’ll work on highly concurrent systems, architecting APIs and backend services that power millions of players. This is a hands-on role where you’ll solve complex problems, write clean and performant code, and collaborate...

Introduction At IBM Software, we transform client challenges into solutions. Building the worlds leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in Software means joining a team fueled by...

the company is building the future of wireless communication. The goal: one unified network open to any person and any device, worldwide. Connection without walls. We’re getting there by empowering customers. All three major networks on one phone and one plan, plus home internet from Starlink. No lock-in. No commitments. Custom fit plans at every price...