backend engineer ruby jobs in Ottawa

Warner Bros. Discovery is seeking a Senior Software Engineer to design, deliver, and support Java-based, cloud-native services. You will own features end-to-end, influence technical direction, and raise the bar for code quality, reliability, and operability.This hands-on role requires mentoring, production support, and collaboration across a distributed AWS...

askpolly, based in Ottawa, is seeking a Senior Software Engineer to design, build, and scale production systems behind its AI-powered insights platform. This full-time role, on a hybrid schedule (4 days in-office), focuses on backend architecture with opportunities for full-stack contributions.You will own complex features from problem definition to...

YO AI Labs is seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software tasks using MCP tools.You will design reproducible environments, deterministic verification, and reference solutions for tasks like bug fixing, feature development, codebase...

With over 90,000 employees worldwide, Leonardo is a global high-technology company and a key player in the international defence and security sector. Leonardo Canada Inc. (LCI) continues to grow and expand our footprint in Ottawa. We offer a dynamic and collaborative work environment where innovation is encouraged, and employees are empowered to grow...

Engineering Full Time Ottawa, ON $80,000 - $100,000 CAD per year With over 90,000 employees worldwide, Leonardo is a global high-technology company and a key player in the international defence and security sector. Leonardo Canada Inc. (LCI) continues to grow and expand our footprint in Ottawa. We offer a dynamic and collaborative work environment where...

At affirm, we exist for the moments that matter - giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The consumer authentication platform team is looking for a passionate senior software engineer to help build the secure, reliable, and seamless authentication experiences that...

A culture and arts platform is seeking a Mid-Senior Back End Developer in Ottawa to enhance its API for the Amuse platform. Candidates should have experience with Go or equivalent languages, and a knack for data analytics and GIS applications. This fully remote role offers equity, generous vacation, and collaborative team dynamics. Join us to enrich the...

A tech company specializing in event-driven architecture is seeking a Senior Software Developer to join their AI team. The role involves leading technical projects, creating robust APIs, and collaborating across functions to enhance product offerings. Candidates should have over 7 years of experience, strong backend development skills particularly in Python...

A software company specializing in manufacturing solutions is looking for a Backend Software Developer to design and build cloud-native services and data pipelines that transform data into insights. Ideal candidates are proficient in TypeScript, Python, or Go, with experience in micro-services, REST/GraphQL APIs, and containerization. This role offers...

Staff Software Engineer, Backend (Trust and Safety) Remote Canada At Affim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. About the Engineering team The Engineering team builds systems that power Affim’s mission. We take pride in our...

Fellow is hiring an engineer to build and operate distributed media processing systems that power real‑time meeting capabilities. You will handle audio/video ingestion, metadata, and events across diverse environments and platforms.You will work on reliable backend services, observability, and tooling while applying AI‑native approaches to coding,...

This range is provided by Amuse. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay range$85,000.00/yr - $105,000.00/yrAmuse is a platform that helps people discover local arts and culture. Think of it as your personal travel guide: but instead of trying to lecture you for an hour, it enriches your...

At affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Partner Merchant Interfaces - Integration team within Decisions Foundations is growing and we are looking for a Software Engineer. You will be part of a fast paced team which...

Ottawa’s tech sector is growing, and so are the opportunities! If you’re exploring your next role in tech, Work in Ottawa can help you learn about leading employers and exciting careers in Canada’s capital.Led by Invest Ottawa, the city’s lead economic development agency, this initiative works alongside tech companies, recruiters and search firms,...

Introduction At IBM Software, we transform client challenges into solutions. Building the world’s 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...

Quo, Inc. is seeking a Staff Backend Engineer to own the technical strategy for designing, building, and operating features across the product.You will partner with engineering, product, and security to translate ambitious ideas into scalable, reliable systems. You will lead architecture for key services, drive cross-functional delivery from concept to...

Shape the future of AI at Solace as a Senior Backend Developer specializing in C++. This hybrid position focuses on building robust, event-driven systems. Solace is hiring for its Routing and Redundancy team and seeks a developer with at least four years of experience to design and implement critical features. Your role will encompass complex...

OverviewTrendAI™, the global AI security leader and enterprise business unit of Trend Micro, empowers organizations with full AI visibility and consolidated security that inspires confidence, drives innovation, and eliminates risk. At TrendAI, we seek exceptional talent who want to collaborate with the best and push boundaries together. You will help...

TrendAI™, the global AI security leader and enterprise business unit of Trend Micro, empowers organizations with full AI visibility and consolidated security that inspires confidence, drives innovation, and eliminates risk. At TrendAI™, we’re always seeking exceptional talent; people who want to collaborate with the best and push boundaries together....

OverviewSenior Backend Developer, Content & Personalization (Remote, Canada) – AmuseJoin to apply for the Senior Backend Developer, Content & Personalization (Remote, Canada) role at Amuse.This range is provided by Amuse. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay range: $120,000.00/yr -...