Jobs for senior python backend at Toronto

Position Title: Senior Back-End Developer – Platform & Core SystemsJob SummaryOur partner is seeking a Senior Back-End Developer to design, build, and maintain high-throughput server-side architecture powering a high-traffic media and streaming platform serving millions of active users. This senior individual contributor role is tailored for an engineer...

Back End Developer - Master-Level Internship Location: Toronto, Ontario, Canada Salary: $95,000.00 - $105,000.00 Employment Type: Full-time Seniority Level: Mid-Senior level Job Function: Information Technology (IT Services and IT Consulting) Job Overview Implement backend solutions using AWS services such as Lambda and ECS containers, ensuring code...

Job Title Python Backend & System Design Location Toronto, Canada Job Type Contract Job Overview We are seeking a Senior Platform Engineer with 4–6 years of experience in Python backend development, API design, and system architecture. The ideal candidate will have a strong foundation in software engineering principles and hands‑on experience building...

Marsh in Toronto, ON is seeking an AI Developer to design, build, and maintain scalable backend services and AI/LLM APIs using Python, Flask and FastAPI. This hybrid role requires in-office presence at least three days per week.You will implement REST and WebSocket APIs, RAG pipelines, tool-calling workflows, and model evaluation across GPT and open-source...

At Chexy, we're building modern financial tools for Canadians - starting with their largest expenses. We turn rent, tuition, insurance, and other big bills into opportunities to build credit, earn rewards, and gain financial flexibility. We're the first platform in Canada that lets users pay nearly any bill using their credit card, while unlocking...

Veeva Ostro is seeking a Backend Engineer to design and deliver scalable backend services powering our SaaS platform. You will balance rapid delivery with long-term code health, championing clean architecture, rigorous testing, and low technical debt. As a key member, you will architect high-performance APIs, collaborate cross-functionally to ship...

À propos de Motion 💡Motion crée le centre de commandement pour les stratèges créatifs : une plateforme d'analytique et d'intelligence alimentée par l'IA qui comble le fossé entre les spécialistes du marketing de performance et les équipes créatives, les aidant à découvrir ce qui fonctionne, ce qui ne fonctionne pas, et finalement à expédier...

About Motion 💡Motion is creating the command center for creative strategists: an AI-driven analytics and intelligence platform that bridges the gap between performance marketers and creative teams, helping them uncover what's working, what's not, and ultimately ship more winning ads across platforms like YouTube, LinkedIn, Meta, and TikTok.Today, Motion...

Job Title: Senior Python Developer Location: Dallas, TX or Salt Lake City, UT Key Responsibilities: Develop and Optimize Financial Applications: Design, build, and maintain high-performance Python applications tailored for financial services, including trading platforms, risk management systems, and data analytics tools. Collaborate with Stakeholders:...

Duration: 12-month assignment (contract through December 24, 2026 (renewal into 2027 once budgets are approved in November) Engagement Model: Professional Services Engagement – B2B (Incorporated Entities Only) About the Engagement Akkodis is seeking the services of an experienced Senior Python / SQL Cloud Migration Consultant to support a large-scale...

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We bring together distinct core competencies in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, with proprietary accelerators and platforms. ...

Role: Full-time, hybrid role based in Downtown Toronto Level: Senior to Staff (IC) seniority Compensation: $150,000 to $200,000 base CAD (depending on Seniority) Focus: This is a Back-end focused Product Role How We Work We don’t separate backend and frontend. Engineers here own problems end to end. This role is primarily backend focused using Python and...

Themesoft Inc. is a global IT solutions provider and a Woman‑Owned Minority Business Enterprise headquartered in Dallas, TX. With a strong presence across the US, Canada, India, Singapore, and Brazil, we specialize in digital transformation, consulting, and workforce solutions across diverse industries. We are currently looking for a tech‑savvy and...

Position: Senior Python EngineerLocation: Downtown Toronto, Hybrid/OnsiteSalary Range: $100K-$150KJob Type: PermanentPosting Type: Open Vacancy We're partnering with a growing financial technology firm looking to add a Senior Backend Engineer to their engineering team in Toronto. This position focuses on building scalable backend systems that support...

Shape the future of wealth management as a Senior Python Developer at d1g1t. Focus on robust coding practices and scalable solutions in a hybrid work setup. As a Senior Python Developer at d1g1t, you will play a critical role in driving implementation strategies while mentoring others. Your focus on scalable code and effective project management will ensure...

Title: Senior ETL/Python Developer Location: Toronto, ON - Hybrid (4 Days WFO) Duration: 12 months Pay Rate: C$53 INC  Job Overview: We're seeking an experienced ETL Pipeline Developer proficient in Python to design, implement, and maintain robust data pipelines. This role is critical for transforming raw data into valuable business insights across our...

Senior/Staff Python DeveloperRole: Full-time, hybrid role based in Downtown TorontoLevel: Senior to Staff (IC) seniorityCompensation: $150,000 to $200,000 base CAD (depending on Seniority)Focus: This is a Back-end focused Product RoleHow We WorkWe don’t separate backend and frontend. Engineers here own problems end to end.This role is primarily backend...

Position Description: This role is hybrid and requires you to work from our downtown Toronto office and/or the client office a minimum of four (4) days per week. This requirement is subject to change based on business and client needs.CGI is seeking a highly skilled Senior Developer with expertise in Python, PySpark, and enterprise data engineering to...

Elevate your career as a Senior Python Developer in Toronto with EY. Join a dynamic team to build scalable data solutions focused on analytics and automation. As a Senior Consultant in our Banking Technology practice, you will leverage your Python expertise to design, develop, and maintain cutting-edge data applications. Your role is pivotal in crafting...

Transform your career as a Senior Python Developer with Stantec. Join a technical powerhouse committed to creating cutting-edge applications and leveraging AI-driven architectures. As a key member of our engineering team, you will tap into your 5+ years of software development experience. Your role will focus on building robust web applications with Python...