backend engineer ruby

Senior Software Engineer (Full-Time, Remote) — Canada Work Schedule: 9:00 AM - 5:00 PM PST About the role At AutoScale Ventures, we build large-scale systems behind products like VinAudit.ca (vehicle history and data) and SquidProxies.com (proxy infrastructure). We're looking for a Senior Software Engineer to design, build, and evolve the backend systems...

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 Software Engineer (Full-Time, Remote) — Canada Work Schedule: 9:00 AM - 5:00 PM PSTAbout the role At AutoScale Ventures, we build large-scale systems behind products like VinAudit.ca (vehicle history and data) and SquidProxies.com (proxy infrastructure). We're looking for a Senior Software Engineer to design, build, and evolve the backend systems...

Shape the future of finance at Brex as an Innovative Backend Engineer in Vancouver. Work in a hybrid model to build impactful tools and enhance user experiences. Brex is on the lookout for a talented Senior Backend Engineer with 7+ years of experience in full-stack application development. You will have the chance to design and develop new products...

Description & Requirements Electronic Arts creates next-level entertainment experiences that inspire players and fans around the world. Here, everyone is part of the story. Part of a community that connects across the globe. A place where creativity thrives, new perspectives are invited, and ideas matter. A team where everyone makes play happen. ...

This hybrid role requires working in the Toronto office two days per week. With millions of diners, 70,000+ restaurant partners and 25+ years of experience, OpenTable, part of Booking Holdings, Inc. (NASDAQ: BKNG), is an industry leader with a passion for helping restaurants thrive. Our world-class technology empowers restaurants to focus on what matters...

JOB SUMMARY Seeking a Software Developer V with a strong backend focus to design and review services and REST APIs. This role involves leading the orchestration of multiple upstream services, guiding the team on scalable and stateless service design, and defining API contracts, error handling, and resiliency patterns. The developer will support team members...

About Cognichip At Cognichip, we are building AI-native tools that transform how semiconductor engineers create, verify, and optimize chips. Our platform combines large proprietary models, agentic workflows, domain-specific engineering intelligence, and high-performance simulation infrastructure to accelerate one of the world’s most complex engineering...

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend...

Build privacy-focused backend services at Mozilla using Python, TypeScript, Node.js, or Rust while owning production systems end to end.As a Senior Software Engineer on the Ecosystem Services Team, you will develop server-side logic and integrations. You will maintain cloud infrastructure, APIs, data contracts, and service reliability. Collaboration spans...

Build scalable backend systems at Canals as a senior engineer, working remotely across North and South America on automation and AI software. Canals develops software for wholesale distributors, supporting orders, purchasing, accounts payable, and critical workflows. As a Senior Backend Software Engineer, you will own complex projects while balancing...

Shape reliable capacity plans with Python or Kotlin as a Senior Backend Engineer on Affirm’s remote Canada Capacity Modeling team. Forecast traffic and tune resources for peak demand. This senior position owns quarterly goals while guiding engineers through ambiguous, open-ended problems. You will build backend systems at scale using AWS, MySQL, or...

Senior Engineering Manager – Checkfront & RegiondoAbout the Role We’re looking for an Engineering Manager to lead the teams responsible for Checkfront and Regiondo, established booking-management products used by thousands of tour, activity, and experience operators. Checkfront and Regiondo are mature, revenue-generating products with years of...

Build Python 3.x backend services and automation tooling at Kumaran Systems, working with REST APIs and Linux production environments. This senior engineering role requires seven-plus years of production Python development using Python 3.9 or newer. You will develop services with FastAPI, Flask, or Django REST Framework, while supporting Oracle databases,...

Join Rivian as a Software Engineer II focusing on backend development for commercial technology. Help shape the systems that underpin customer purchasing and vehicle registrations with precision and scalability. In this role, you will contribute to Rivian's backend team, responsible for essential services related to tax calculations, title registrations,...

A leading company focused on blockchain interoperability is seeking a Backend Engineer to join their innovative team. The ideal candidate will develop robust backend systems that support decentralized applications, contributing to the design and implementation of scalable solutions. This role offers opportunities to work with cutting-edge technologies and...

Life as an Engineer at EvenUp EvenUp is on a mission to close the justice gap using technology and AI. We empower personal injury lawyers and victims to get the justice they deserve. Our products enable law firms to secure faster settlements, higher payouts, and better outcomes for victims injured through no fault of their own in vehicle collisions,...

Build backend services with Java, Spring Boot, and AI tools as a senior individual contributor working across the full lifecycle. Design through production while setting a clear standard for engineering quality. At Citi, this full-time senior software engineering role covers requirements, architecture, implementation, testing, and delivery. You will make...

Build Stripe data infrastructure with Scala, Spark, and SQL as a Backend Engineer, Data in an office or remote location. Design reliable pipelines for critical business data.This software engineering role supports Data Foundations across Stripe. You will create data services, distributed pipelines, and shared datasets for Product, Data Science, and GTM...

Shape the future of finance at Brex as an Innovative Backend Engineer in Vancouver. Work in a hybrid model to build impactful tools and enhance user experiences. Brex is on the lookout for a talented Senior Backend Engineer with 7+ years of experience in full-stack application development. You will have the chance to design and develop new products...