python backend engineer jobs in Toronto

A digital transformation firm in Canada is seeking a Senior System Engineer to support clients with implementation projects across North America. The role demands experience in designing and deploying technical services, along with outstanding communication skills. Candidates should have a Bachelor’s degree and proficiency in various scripting and...

# Betstamp is hiring a Backend Engineer — Real-Time Sports Data (Go / ClickHouse / AI-Native)## Get the latest jobs to your inbox!1. Home2. /3. Jobs at Betstamp4. /5. Backend Engineer — Real-Time Sports Data (Go / ClickHouse / AI-Native)Toronto, OntarioPosted 2 months ago149 views### Job Description### About UsBetstamp is the pricing intelligence layer...

A leading IT consultancy firm in Toronto is seeking a Data Engineer with strong skills in Python and AWS. The role requires hands-on experience with various AWS services and an understanding of RESTful APIs. Candidates should be familiar with CI/CD tools and have knowledge of Docker. This position offers a hybrid work model, allowing flexibility, with...

Requisition ID: 49891 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Date Posted: Oct 7, 2026 Senior Software Engineer, Full-Stack Applications – Python Fitch Ratings is seeking a Senior Software Engineer to join our global Ratings Technology team in Toronto. You'll build and maintain mission-critical full-stack...

Build high-traffic APIs with Python, Go, or Rust at Perplexity, shaping infrastructure for developers and AI agents at global scale. As a backend engineer on the API Platform team, you will design, implement, and operate mission-critical interfaces. Your work spans distributed systems, API gateways, routing, performance optimization, and agent...

Design scalable backend services with Python, Go, and Kubernetes for Achievers’ Data Intelligence team in a hybrid Toronto setting. Build actionable insights from SaaS data. As a Senior Software Engineer, you will support reporting, analytics, exports, and data-driven product features. You will work with GCP, APIs, cloud data warehousing, and distributed...

Become a vital part of affirm's Online Storage team as a Backend Software Engineer. This fully remote role focuses on enhancing Cache Services with Redis and Valkey while automating workflows. You will have the privilege of working within affirm's Data and Storage Services team, managing OLTP and OLAP systems. As a Software Engineer II, you'll build and...

Tucows is a remote-first backend engineering role for Canada, building open‐internet products across domains, Ting, and Wavelo. Collaborate with frontend developers to define clear and consistent API endpoints, request/response formats, and data contracts. Design and optimize database schemas, write performant SQL queries, and ensure data integrity and...

Build enterprise LLM solutions with Python, Databricks, and RAG architectures as a hands-on Software Engineer in an Agile environment.Our client seeks a Software Engineer with 5+ years of Software Engineering experience. The ideal candidate develops with Python, works with Databricks in production, and supports LLM-based solutions. You will apply RAG...

Intermediate Software Engineer - Python or Go, Data, HybridRandstad Canada · Toronto, Ontario, CABack to resultsIntermediate Software Engineer - Python or Go, Data, HybridRandstad CanadaToronto, Ontario, CA Posted October 17, 2026 Via Randstad### Full Job DescriptionOur client, a best-practice-oriented SaaS company and a leader in their space is looking for...

Affirm is hiring a Senior Software Engineer (Backend, Reliability Platform) to design and build a next-generation reliability platform for production systems. You will blend distributed systems engineering with AI-assisted development to help teams understand, debug, and improve service health. This remote-first role requires 4+ years of backend experience...

Doppel is building the future of social engineering defense with an AI-native platform that protects executives, employees, customers, and brands from phishing and AI-powered threats. We design scalable systems that monitor billions of entities and deploy adaptive AI agents backed by human analysts to disrupt attacker infrastructure.We are seeking an...

Advance your career as a Lead Backend Engineer at Venn, the top B2B fintech in Canada. Take charge of building innovative banking solutions for modern entrepreneurs. In this role, you will lead the development of groundbreaking financial products tailored for Canadian businesses. With 5+ years of Java and 6+ years in backend development, your experience...

Turing is one of the world's leading AGI infrastructure companies, working with frontier AI labs to accelerate model development through high-quality training data, evaluations, and engineering talent. About the Role: We're looking for a high-taste engineer with a strong eye for quality — someone who's worked hands‐on with preference data and rubric...

Drive impactful backend solutions as a Senior Backend Engineer with Affim in Canada. Utilize your expertise in Python or Kotlin to innovate and enhance consumer experiences. At Affim, we are constructing an advanced advertising platform and a top-tier shopping destination. As a Senior Backend Engineer, you'll set the technical strategy for your team while...

Elevate your career with Affir as a Backend Software Engineer in our remote Identity Decisioning team. Focus on developing backend systems that ensure consumer identity validation across all products. Affir is seeking a Software Engineer II to join its remote team in Canada. You'll design and launch robust backend systems, working with technologies such as...

Build scalable backend applications and integrate AI-powered workflows into complex financial services environments. The Role At Capco, we're looking for a Backend Developer - Java/Python & AI with practical experience building AI-powered workflows and automation solutions within enterprise applications. You'll play a key role in designing, developing and...

Elevate your engineering career as a Backend Engineer at DoorDash, blending innovation with technology in a hybrid work model. Contribute to a global infrastructure system that enhances a three-sided marketplace. As a Backend Engineer, you will work with Product and Product Platform teams to craft elegant technical solutions that drive business impact. Your...

Pozent is seeking a hands-on Data Engineer to support the Total Fund Management Portfolio Management Technology team. You will design and deliver scalable data solutions in a cloud-native environment, focusing on Spark workloads and large-scale datasets.This is a subcontractor engagement requiring proactive, independent work with strong communication to...

Une entreprise de technologie recherche un ingénieur logiciel senior à Toronto pour aider les immigrants hautement qualifiés. Vous participerez à la conception et au développement de solutions logicielles et travaillerez en étroite collaboration avec l'équipe pour assurer une mise en œuvre efficace. Le candidat idéal possède des compétences...