Jobs for senior python backend at Calgary

IBM Software in Calgary is seeking a senior backend software engineer to help design and deliver cloud-native systems at scale. You will own complex services, drive end-to-end delivery, and shape architecture for real-time data platforms.You will collaborate across teams, raise the bar on reliability and observability, and mentor other engineers while using...

GitLab is seeking a Senior Backend Engineer for the Duo Chat team to build core AI features behind GitLab Duo Chat. You will work on flow components, agentic flows, and integration with LangGraph within the Duo Workflow Service, interfacing with the Rails monolith. You’ll own backend features end-to-end, integrate generative AI models, and design scalable...

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...

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Engineering team builds systems that power affirm’s mission. We take pride in our craft, building reliable, performant, and scalable solutions that touch every part of the business....

A leading payment technology provider is seeking a Senior Software Engineer to join their team. This backend-focused role involves architecting and developing high-quality software solutions for payment processing systems. The ideal candidate has over 5 years of experience in software development, especially within the fintech sector. The position offers a...

A forward-thinking legal tech firm is looking for an experienced back end software engineer to join their team. In this role, you will take ownership of tech features and write high-quality code. With an emphasis on user impact, you will also work on technology that scales efficiently. This remote-first position offers competitive pay, equity, and...

HRB is building an AI organizational memory system and seeks a senior backend/platform engineer to own foundational systems, architect scalable backends, and ship production LLM agents. You will set technical direction in an early-stage environment and drive high-impact projects with minimal guidance, collaborating with the founding team on enterprise...

One of the world's leading providers of products and services to the global energy industry. With a presence in more than 70 countries and 130 nationalities represented in our workforce, we are one of the world's most diverse companies. This allows us to offer multiple career paths, best-in-class training, and world-class benefits. Our product provides E&P...

A Canadian technology company seeks a Developer Level 3 to support the development and maintenance of applications including data visualization platforms. This 100% remote role requires 8+ years of experience, including strong skills in Git, React, and RESTful APIs. Candidates should have experience as a full-stack developer in Agile teams, translating...

Join IBM Software as a Senior Backend Developer, focusing on large-scale distributed systems for Confluent Cloud. This role involves designing reliable services within a dynamic team environment. The ideal candidate will possess 5-10 years of experience in building highly available backend systems. You will lead projects end-to-end, emphasizing performance...

A payment technology leader is seeking a Senior Software Engineer to join their fully remote team. This role focuses primarily on backend development, maintaining and enhancing payment processing systems while collaborating with various teams. The ideal candidate should have over 5 years of software development experience, strong skills in API design and...

We are a product-driven team focused on building custom software solutions that solve real business problems. We work closely across engineering, product, and design to create scalable systems, internal tools, and data driven platforms that deliver real impact. Our culture values speed, ownership, and practical execution, allowing us to turn complex ideas...

GitLab is seeking a Senior Backend Engineer for the Duo Chat team to build core AI features behind GitLab Duo Chat. You will work on flow components, agentic flows, and integration with LangGraph within the Duo Workflow Service, interfacing with the Rails monolith. You’ll own backend features end-to-end, integrate generative AI models, and design scalable...

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...

A technology company is looking for a Senior Back End Software Engineer to join their fully remote team. The ideal candidate will have at least 7 years of back-end software development experience and expertise in Python, FastAPI, and AWS services. This role involves designing and maintaining high-quality code, owning the software development lifecycle, and...

A leading software company is seeking a Senior Software Engineer to develop a new AI-first SaaS application. You will design backend systems using .NET/C# and apply advanced architectural patterns within a cloud-native environment. Ideal candidates will have senior-level experience, including Event Sourcing, CQRS, and proficiency with AWS and Docker. This...

Advance your career as a Senior Software Engineer Backend with Veeva Systems. Benefit from a flexible work arrangement as you craft impactful backend services.At Veeva Ostro, we drive innovation in life sciences through strategic software solutions. In this role, you will create and manage high-performance APIs, ensuring seamless scalability and code health....

A leading AI technology company in Canada seeks a skilled backend engineer to develop scalable systems for integrating AI Agents within contact center environments. The role demands creating robust backend services, ensuring real-time communication, and implementing context-aware handoff mechanisms. Candidates should possess a degree in Computer Science,...

A global enterprise SaaS leader is seeking a Senior Software Engineer to enhance their core product. The successful candidate will architect scalable REST APIs, optimize backend services, and manage data workflows to support vast logistics operations. With a required 5+ years of experience in backend software engineering, expertise in Node.js, and a...

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.The Engineering team builds systems that power Affirm’s mission. We take pride in our craft, building reliable, performant, and scalable solutions that touch every part of the business....