senior python backend jobs in Ottawa

Meet the TeamJoin our high-impact team at Acacia, a Cisco company, where we design industry-leading coherent optical transceivers powering hyper-scale cloud data centers, AI infrastructure, and global telecommunication networks. We are a specialized, collaborative team of algorithm and ASIC innovators operating at the forefront of digital signal processing...

The application window is expected to close on: 10/11/2026 Meet the Team Join our high-impact team at Acacia, a Cisco company, where we design industry-leading coherent optical transceivers powering hyper-scale cloud data centers, AI infrastructure, and global telecommunication networks. We are a specialized, collaborative team of algorithm and ASIC...

Forward Financing is a financial technology company based in Boston, Massachusetts with team members throughout the United States, Dominican Republic, and Canada. The company is on a mission to unlock the capital that fuels small businesses across America. Recognized as a Best Place to Work by Built In Boston and certified as a Great Place To Work®, Forward...

As the global leader in high-speed connectivity, Ciena builds the critical infrastructure powering the AI era. We’re a technology company shaping the future of networking, guided by innovation, integrity, and collaboration. Through development opportunities, meaningful work, and flexibility, Ciena supports growth and well-being—on and off the job....

DescriptionMONKEY builds enterprise-grade catering software for restaurant organizations that operate at scale. We're looking for a backend-leaning Full Stack Engineer who enjoys solving meaningful product problems, designing thoughtful systems, and shipping high-quality software that customers rely on every day.DescriptionMONKEY builds enterprise-grade...

We are hiring a Junior Investment Analyst to support an AI Lab building next-generation financial intelligence systems. In this role, you will contribute to training and evaluating AI models by applying fundamental investment thinking, financial analysis, and market reasoning.Key ResponsibilitiesConduct equity and macroeconomic research across sectorsBuild...

Location: Remote (Ontario-based candidates preferred) Language: Excellent written and verbal English communication skills Background Check Requirement: Not specified About the Opportunity Are you passionate about building the foundation that powers exceptional technology? We are recruiting for a Senior Embedded Linux Developer to join an innovative...

- Classification and Salary ($): RSO-01 : 82 340 - 98 336 - Security Clearance: Reliability - Closing Date: 2026-10-12 - Work Environment: Hybrid - with weekly on-site presence - Language Requirements: Bilingual (English and French) - Section: Data Analysis and Visualization - Length of Term: Determinate (Fixed-Term) of 1 year or less - Open To: All - Salary...

We are looking for a Senior Physical Design Engineer to join a growing engineering team in Ottawa. In this role you would take ownership of backend implementation from netlist through to GDSII across challenging ASIC blocks and sub-systems. You will work with advanced physical design flows and single-digit FinFET technology nodes, collaborating with an...

As a Senior Software Engineer, you will be a critical part of our growing company, working on a cross-functional team to implement best practices in technology, architecture, and process You’ll have the chance to work in an open and collaborative environment, receive and give hands‑on mentorship, and have opportunities to grow and accelerate your...

DescriptionDataVisor is the world’s leading AI-powered Fraud and Risk Platform that delivers the best overall detection coverage in the industry. With an open SaaS platform that supports easy consolidation and enrichment of any data, DataVisor's fraud and anti-money laundering (AML) solutions scale infinitely and enable organizations to act on...

Co-op Winter 2027 Systems Test Engineering - 4-8 Months Build bold. Deliver impact. Win together. At General Dynamics Mission SystemsCanada, were not just engineering technology were shaping the future of defence and security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen communities, and protect...

About Kinaxis Are you looking to join an innovative, market-leading company where you can truly elevate your career? At Kinaxis we are serious about culture, we are serious about technology, we are serious about customers, and we are serious about not taking ourselves too seriously. If you are looking to be part of an incredible growth story, then we might...

Co-op Winter 2027 DevOps Engineering - 8-16 Months Intern Build bold. Deliver impact. Win together. At General Dynamics Mission Systems–Canada, we’re not just engineering technology — we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen...

Job DescriptionQNX enhances the human experience and amplifies technology-driven industries, providing a trusted foundation for software-defined businesses to thrive. The business leads the way in delivering safe and secure operating systems, hypervisors, middleware, solutions, and development tools, along with support and services delivered by trusted...

About KinaxisAre you looking to join an innovative, market-leading company where you can truly elevate your career? At Kinaxis we are serious about culture, we are serious about technology, we are serious about customers, and we are serious about not taking ourselves too seriously. If you are looking to be part of an incredible growth story, then we might...

About KinaxisAre you looking to join an innovative, market-leading company where you can truly elevate your career? At Kinaxis we are serious about culture, we are serious about technology, we are serious about customers, and we are serious about not taking ourselves too seriously. If you are looking to be part of an incredible growth story, then we might...

Company Overview: Req ID: 393518 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. NTT DATA's Client is currently seeking a Service Now Consultant to join their team in Ottawa, Ontario (CA-ON), Canada...

Senior Software Engineer, Backend (Partner Merchant Interface)Remote CanadaAt 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.The Partner Merchant Interfaces - Integration team within Decisions Foundations is growing and we are...

Affirm's Engineering team builds reliable, scalable backend systems powering critical payment and servicing platforms. This remote Canada role focuses on delivering high-impact features with ownership and quality.You'll design and ship backend services using Python or Kotlin, run on AWS with MySQL and Kubernetes, and collaborate with product, design, and...