Jobs for backend engineer ruby at Toronto

Advance your career as a Senior Software Engineer with HelloFresh's Production Scheduling Technology team in Toronto, ON. This hybrid role focuses on backend development using Python and FastAPI, driving automation in meal production. The selected candidate will work on enhancing the Python-based algorithmic engine that automates HelloFresh's planning...

Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. We have strong...

Shape the future of legal services with Harvey as a Backend Software Engineer. This hybrid role focuses on building user-facing features and foundational backend infrastructure for top law firms. Join our dynamic team in Toronto, where you'll contribute to developing critical systems that enable secure, flexible experiences for our clients. This position is...

Direct message the job poster from Coverstar Coverstar is building the first safe, creative, AI-native social platform for Gen Alpha. We’re building a world where the next generation can create, connect, and grow with technology that’s fun, expressive, and safe by design. We’re backed by top investors like a16z, moving fast, and hiring a...

We are looking for world-class engineers to tackle cutting-edge problems of applying Machine Learning in the real world. Join this team to help develop a system that will serve as the main interface to our machine learning platform. The goal of this system is to help in all stages of model development, from feature engineering all the way to production...

Senior Backend Engineer (AWS) Join to apply for the Senior Backend Engineer (AWS) role at Lumenalta As a Senior Backend Engineer at Lumenalta, you will design and implement robust backend systems, ensuring our applications are secure, scalable, and efficient. You will be responsible for working closely with DevOps and frontend teams to deliver...

A technology solutions firm in Toronto is looking for a skilled Java Backend Developer to design and implement scalable RESTful APIs using Spring Boot. The successful candidate will work on microservices architecture and has experience with cloud platforms like AWS or Azure. Responsibilities include optimizing system performance, collaborating with frontend...

A leading fintech company in Toronto is looking for a Senior Software Engineer to lead the development of innovative financial services products. You will collaborate with various teams, integrate with banking partners, and leverage your expertise to provide solutions that disrupt traditional banking. Ideal candidates should have extensive experience in...

DoorDash is seeking a Staff Backend Engineer for the Notification Hub & Experience to lead architecture and technical strategy at scale. You will influence cross-functional teams, drive personalisation across the notification lifecycle, and push for AI-enabled improvements that enhance user engagement. You will balance immediate conversion value with...

Cresta is on a mission to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. Our platform combines the best of AI and human intelligence to help contact centers discover customer insights and behavioral best practices, automate conversations and inefficient processes, and empower every team...

Senior Software Engineer, Backend Full Stack - Financial Product Join to apply for the Senior Software Engineer, Backend Full Stack - Financial Product role at Rippling. About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll,...

Capital One Canada is seeking an Intern, Backend Software Engineer for Winter 2027 at 161 Bay Street, Toronto. You will design, build, and scale backend services handling high traffic and regulatory rules, contribute API features, and participate in code reviews.You will work with Java, TypeScript, SQL, Python on Spring Boot, AWS, and data pipelines. You'll...

ecobee, a rapidly growing global tech company headquartered in Canada, is seeking a Software Engineer to join the Device Management Services team in Toronto. You will help build scalable backend systems for IoT device connectivity, onboarding, authentication, and real-time communication between devices and cloud applications.You’ll work with modern...

Venn Software Inc. is building a disruptive fintech platform in Canada and is hiring a senior backend engineer. You will lead the development of financial services products (transfers, cards, lending, etc.) from the ground up and ensure production-ready systems.You will collaborate with product, sales, and operations to address customer pain points and...

Bree is seeking a Backend Engineering Co-op for an 8-month term to work on scalable backend services, APIs, and data flows. You’ll collaborate with engineers to ship production-ready changes using TypeScript/Node.js and AWS Lambda, while learning through mentorship and real project impact.You’ll contribute to testing, code quality, and security, and gain...

A financial technology firm is seeking a Senior Software Engineer skilled in Python and Rust. This role involves engaging with stakeholders, implementing AWS solutions, and designing data models for financial products. The ideal candidate holds a Bachelor's degree in a related field and possesses experience in modern programming languages and databases....

Job Title: Senior Backend Engineer (SaaS, Data & AI) Job Summary We’re hiring a Senior / Staff Backend Engineer to lead the design and delivery of SaaS products powered by data, machine learning, and AI. This is a hands‑on role focused on building scalable backend systems, integrating ML/AI capabilities into real customer workflows, and driving technical...

Achievers is seeking a backend-focused engineer to help shape the technical direction within our Platform Services team in Toronto. You will own major features end‑to‑end, influence architecture, and mentor engineers while collaborating with Product and Design to deliver scalable solutions.This back‑end focused role emphasizes autonomy, growth, and...

Betstamp seeks a backend-focused engineer to maintain and extend the real-time pricing platform. You will work on a Go monorepo, optimize data pipelines, and support 100+ sportsbook scrapers and integrations. The role emphasizes AI-enabled development and robust observability, with room to grow into architecture decisions.You’ll collaborate across teams,...

A leading technology company in Toronto is seeking a Senior Software Developer. The ideal candidate has over 5 years of experience in JAVA-based software development, with proficiency in Spring framework and REST APIs. You will be responsible for troubleshooting software issues and translating specifications into applications. The position requires presence...