backend engineer ruby jobs in Ottawa

Affim is seeking a Staff Engineer to lead projects on the Fraud Decisioning team. You’ll build tools to empower fraud-fighting capabilities, partner with Product, ML, Analytics, and Business teams, and use data-driven decisions to improve risk deciders.This remote role is open to candidates in Canada and offers a transparent pay structure with equity and...

Affirm is a remote-first company seeking a software engineer to design, develop, and launch backend systems and scalable APIs. You will work with Python or Kotlin, and leverage AWS, MySQL and Kubernetes to build robust services. You will collaborate with product, design and analytics, support on-call operations, and contribute to a culture of growth and...

Job Overview We are seeking a Senior Front-End / Full-Stack Engineer to build and enhance modern enterprise web applications. This role has a strong focus on React and modern front-end development, with opportunities to contribute across APIs, backend services, and full-stack features. The ideal candidate is a senior engineer with strong React expertise...

We are seeking a Senior Front-End / Full-Stack Engineer to build and enhance modern enterprise web applications. This role has a strong focus on React and modern front-end development, with opportunities to contribute across APIs, backend services, and full-stack features.The ideal candidate is a senior engineer with strong React expertise who can work...

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. What You’ll Do With the support of your team’s tech lead and manager, you will break down larger projects into individual tasks, deliver them in...

We are looking for a Senior Full-Stack Engineer to join a product-focused engineering team working on enterprise software applications. This role combines strong front-end development, particularly with React, with the ability to contribute across the broader application stack. The successful candidate will work on initiatives that improve product...

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 -...

Drive innovation in compensation strategies as a Lead Backend Engineer at Syndio. This remote-first role requires expertise in designing scalable backend systems. Syndio is on the lookout for a Lead Backend Engineer to strengthen its core platform. In this senior role, you will take ownership of backend services, utilizing your skills in Go and Python to...

The Consumer Authentication Platform team is looking for a passionate Senior Software Engineer to help build the secure, reliable, and seamless authentication experiences that connect millions of consumers with affirm’s financial products Our systems power critical consumer journeys (including sign-up, sign-in, account recovery, checkout authentication,...

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...

Lead Python Backend Engineer role focusing on distributed systems and scalable data pipelines on AWS. Requires over 7 years of experience and strong Python/cloud expertise.

The Streaming team at Affi is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validation. As a member of our team you would spend time identifying and executing on new use cases of data infrastructure, designing and scaling our existing infrastructure and working...

3Pillar Global, Inc. is seeking a senior contractor software engineer to architect data-driven backend solutions for enterprise clients. The role emphasizes Node.Js, serverless AWS services, RESTful APIs, and scalable microservices in a remote-first environment. You will collaborate with cross‐functional teams, design robust systems, and mentor peers while...

Home › Jobs › Senior Software Engineer, Backend (AI Agent Integrations)Location CanadaJob type Full-TimePosted 13 Oct 2026 (1 day ago)Region CanadaCategory Software EngineeringSource JobicyWork mode RemoteCresta unlocks the true potential of the customer experience, turning every conversation into a competitive advantage. Cresta's unified AI platform...

Affim seeks a Senior Software Engineer, Backend (Lakehouse Infra) to own backend systems at scale for data infrastructure across OLTP and OLAP. You will design, build and operate reliable, high-availability services in a remote Canada setting, collaborating with product, design and analytics teams.You'll lead by example, set quality standards, and mentor...

We are looking for a Senior Full-Stack Engineer to join a product-focused engineering team working on enterprise software applications. This role combines strong front-end development, particularly with React, with the ability to contribute across the broader application stack. The successful candidate will work on initiatives that improve product usability,...

Grafana Labs is seeking a Senior Tempo Engineer for a remote role spanning Canada and the US. You will drive architectural direction for Tempo, Grafana's tracing backend, and help scale Tempo from a SaaS database to a platform powering next-generation observability products.You'll lead complex projects, own critical Tempo components, and shape APIs for human...

Affirm is seeking a Software Engineer II to join the Partner Merchant Interfaces team within Decisions Foundations. You will help design, develop and launch backend systems and APIs, using Python or Kotlin, while collaborating across product, design and analytics to balance risks and trade-offs. You will operate in a remote-first environment with flexible...

Affirm is seeking a Batch Developer Experience engineer to join our remote-first team serving Canada. You will break down complex backend work, design and launch scalable services, and collaborate with product, design, analytics, and operations to keep systems reliable and observable. Ideal candidates have 1.5+ years as a software engineer, strong Python or...

Affirm, a remote-first company, seeks a Staff Engineer to lead the Fraud Decisioning team from Canada. You will architect and build tools to enhance fraud fighting capabilities, mentor engineers, and drive cross-functional initiatives with product, ML, analytics, and business teams. Your work will impact risk evaluation across the user journey, adapting to...