Senior Software Engineer Backend Java Python Nodejs Jobs in Calgary, Canada

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Senior Backend Engineer Ruby/Rails, GraphQL, Remote

A leading health technology company in Calgary seeks a skilled software engineer to enhance patient workflows and optimize software systems. Responsibilities include implementing core business logic, maintaining the GraphQL layer, and collaborating with teams on solution designs. Ideal candidates will have exper ...

Senior Backend Heavy Fullstack Engineer (Remote Canada)

A fast-growing financial technology company in Canada seeks a Senior Fullstack Developer. This remote role involves designing and maintaining high-performance SaaS applications with a strong focus on backend development, particularly using Java. The ideal candidate will collaborate with teams to enhance services ...

Engineering Senior Backend Engineer Remote Canada ON

Job Description: DataRobot delivers AI that maximizes impact and minimizes business risk. Our platform and applications integrate into core business processes so teams can develop, deliver, and govern AI at scale. DataRobot empowers practitioners to deliver predictive and generative AI, and ...

Senior Backend Engineer Django + AI Platform (Calgary)

A high-growth Calgary startup is seeking a Backend Engineer to architect scalable systems and lead a Ruby to Django migration. The ideal candidate has over 5 years of experience, strong skills in Python and Django, and a passion for developing AI-driven applications. This role offers an opportunity to work close ...

Senior Backend Engineer Django + AI Platform (Calgary)

A high-growth Calgary startup is seeking a Backend Engineer to architect scalable systems and lead a Ruby to Django migration. The ideal candidate has over 5 years of experience, strong skills in Python and Django, and a passion for developing AI-driven applications. This role offers an opportunity to work close ...

Senior Backend Engineer Ruby/Rails, GraphQL, Remote

A leading health technology company in Calgary seeks a skilled software engineer to enhance patient workflows and optimize software systems. Responsibilities include implementing core business logic, maintaining the GraphQL layer, and collaborating with teams on solution designs. Ideal candidates will have exper ...

Senior Backend Engineer, Cloud & Open Source, Remote

A remote cloud service company is seeking a full-time backend developer to enhance Home Assistant Cloud services. The candidate should have at least five years of backend experience, including two years with Node.js and Typescript. Responsibilities include developing scalable applications, collaborating on new f ...

Senior Backend Engineer AI Driven Data Platform

A leading healthcare technology firm in Canada is seeking a Senior Software Developer fluent in AI-assisted development to enhance their Data Transfer Platform. The successful candidate will analyze and modernize existing systems while designing and deploying backend services. Ideal applicants will have over 5 y ...

Senior Full Stack Engineer Impactful Backend & Mentorship

A leading cloud solutions provider in Toronto is seeking experienced software engineers skilled in Java and JavaScript to join their innovative team. The role involves developing scalable applications and driving feature innovation in a collaborative environment. Candidates must have over 5 years in software dev ...

Senior .NET Backend Engineer Backbase Expert Remote

A technology professional services company seeks a Senior .NET Backend Developer with extensive experience in Backbase. This remote position requires a candidate with strong communication skills, the ability to handle multiple projects, and a passion for technology. The role involves transforming business needs ...

Senior Backend Engineer Ruby/Rails, GraphQL, Remote

A leading health technology company in Calgary seeks a skilled software engineer to enhance patient workflows and optimize software systems. Responsibilities include implementing core business logic, maintaining the GraphQL layer, and collaborating with teams on solution designs. Ideal candidates will have exper ...

Senior Backend Engineer: AWS, Kubernetes & IaC (Remote)

A technology consultancy is seeking a Senior Backend Engineer to design and implement robust backend systems focused on security, scalability, and efficiency. Candidates will collaborate with DevOps and frontend teams while managing AWS cloud services and Kubernetes. This fully remote position offers a salary ra ...

Senior Backend Engineer, Core Services Remote (Golang)

A technology company is looking for a Senior Backend Software Engineer to work remotely in Canada. You will enhance core functionalities, expand capabilities, and ensure secure infrastructures. The ideal candidate has strong Golang experience, understands distributed systems, and has cloud infrastructure knowled ...

Senior Backend Heavy Fullstack Engineer (Remote Canada)

A fast-growing financial technology company is seeking a Senior Fullstack Developer to take ownership of building high-quality applications for complex financial workflows. The role involves designing and maintaining distributed SaaS applications with a strong focus on backend development, particularly using Jav ...

Senior Backend Engineer Django + AI Platform (Calgary)

A high-growth Calgary startup is seeking a Backend Engineer to architect scalable systems and lead a Ruby to Django migration. The ideal candidate has over 5 years of experience, strong skills in Python and Django, and a passion for developing AI-driven applications. This role offers an opportunity to work close ...

Senior Backend Engineer Ruby/Rails, GraphQL, Remote

A leading health technology company in Calgary seeks a skilled software engineer to enhance patient workflows and optimize software systems. Responsibilities include implementing core business logic, maintaining the GraphQL layer, and collaborating with teams on solution designs. Ideal candidates will have exper ...

Senior Backend Engineer for AI Driven Innovation

A leading Canadian business advisory firm is seeking a Senior Back-End Developer to join their innovative development team in Calgary. The successful candidate will design scalable back-end services using .NET and Azure, lead architecture for new initiatives, and collaborate with cross-functional teams. Strong e ...

Backend Engineer Identity Decisioning (Remote)

A fintech company is seeking a Software Engineer II (Backend) to join their Identity Engineering team. In this role, you'll design and develop backend systems using Python or Kotlin and work on a variety of projects ensuring timely delivery. The position offers flexibility with remote work options and a salary r ...

Senior Backend Engineer AI App Builder Platform

A leading AI technology company in Canada seeks a Senior Software Engineer to enhance the customer experience for AI applications. This role involves improving the end-to-end usability, developing secure tools for integration, and collaborating closely with various teams to implement user feedback. Candidates sh ...

Engineering Senior Backend Engineer Remote Canada ON

Job Description: DataRobot delivers AI that maximizes impact and minimizes business risk. Our platform and applications integrate into core business processes so teams can develop, deliver, and govern AI at scale. DataRobot empowers practitioners to deliver predictive and generative AI, ...

Senior Backend Engineer Infrastructure (ClickPipes) Canada (remote)

About ClickHouse Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast-growing private cloud companies. With over 2,000 customers and ARR that has more than quadrupled over the past year, ClickHouse leads the market in real-time analytics, data war ...

Contract: Senior Backend Engineer Snowflake Data Platform

Remote‑Latin America Upwork ($UPWK) is the world’s work marketplace. We serve everyone from one-person startups to over 30% of the Fortune 100 with a powerful, trust-driven platform that enables companies and talent to work together in new ways that unlock their potential. Last year, more tha ...

Senior Backend Engineer: Scalable Rails + AI Tools

A leading learning platform provider in Canada is looking for a Senior Backend Engineer. The candidate will design and implement scalable systems primarily using Ruby on Rails and collaborate across teams including AI and frontend development. Key qualifications include over 5 years of software development exper ...

Remote Senior Backend Engineer — Observability Knowledge Graph

A leading technology company is seeking a full-time remote software engineer to join its observability group. You will build and enhance observability solutions, maintaining the reliability and performance of critical systems. Ideal candidates possess strong coding skills in Java, experience with distributed sys ...

Senior Snowflake Data Platform Backend Engineer (Remote)

A leading online work marketplace is seeking a Senior Backend Engineer to support their Snowflake Data Platform. This hands-on role involves building and operating backend services, developing Airflow workflows, and implementing data quality tooling. The ideal candidate should have extensive experience with Snow ...

Senior Backend Engineer, Cloud & Open Source, Remote

A remote cloud service company is seeking a full-time backend developer to enhance Home Assistant Cloud services. The candidate should have at least five years of backend experience, including two years with Node.js and Typescript. Responsibilities include developing scalable applications, collaborating on new f ...

Senior Backend Engineer: Scalable APIs & Data Systems

A leading micromobility company is hiring a Senior Software Engineer to enhance backend systems and APIs. This role requires 6+ years of expertise in software development with a focus on scalability and performance. Candidates should possess strong skills in object-oriented design, SQL databases, and JVM-based l ...

Senior AI Engineer Backend Driven Agentic (Remote)

A technology firm is hiring a Senior Full Stack Engineer (Backend-Leaning) with a strong focus on backend services and AI applications. The ideal candidate will have experience in building agent-based applications and API integrations, along with a hands-on mindset for AI implementations. Strong collaboration sk ...

Senior Backend Engineer Scale Customer APIs (Remote)

A leading technology startup in Canada seeks an experienced backend engineer to design and develop core capabilities while collaborating with a passionate team. Candidates should have over 6 years of experience, proficiency in AWS and Node.js, and a drive for solving customer problems. The role also includes par ...

Senior Backend Engineer — Remote First, Lead & Mentor

A leading tech company in Canada is seeking a Senior Engineer to contribute to product development and lead technical initiatives. The ideal candidate will have over 5 years of software development experience in Java and/or Kotlin. Responsibilities include API design, system maintenance, and mentoring junior eng ...

Senior Backend Heavy Fullstack Engineer (Remote Canada)

A fast-growing financial technology company in Canada seeks a Senior Fullstack Developer. This remote role involves designing and maintaining high-performance SaaS applications with a strong focus on backend development, particularly using Java. The ideal candidate will collaborate with teams to enhance services ...

Senior Backend Engineer AI Driven Data Platform

A leading healthcare technology firm in Canada is seeking a Senior Software Developer fluent in AI-assisted development to enhance their Data Transfer Platform. The successful candidate will analyze and modernize existing systems while designing and deploying backend services. Ideal applicants will have over 5 y ...

Senior Backend Engineer, AI Platform Remote Canada

At Roofr, we’re obsessed with our customers. We constantly gather feedback to shape, prioritize, and launch the products they truly need. That’s what makes Roofr’s CRM special. We started by building essential sales tools like aerial roof measurements and digital sales proposals. But when our customers ask ...

Senior Backend Engineer, Core Services Remote (Golang)

A technology company is looking for a Senior Backend Software Engineer to work remotely in Canada. You will enhance core functionalities, expand capabilities, and ensure secure infrastructures. The ideal candidate has strong Golang experience, understands distributed systems, and has cloud infrastructure knowled ...

Senior Backend Engineer: AWS, Kubernetes & IaC (Remote)

A technology consultancy is seeking a Senior Backend Engineer to design and implement robust backend systems focused on security, scalability, and efficiency. Candidates will collaborate with DevOps and frontend teams while managing AWS cloud services and Kubernetes. This fully remote position offers a salary ra ...

Senior Full Stack Engineer Impactful Backend & Mentorship

A leading cloud solutions provider in Toronto is seeking experienced software engineers skilled in Java and JavaScript to join their innovative team. The role involves developing scalable applications and driving feature innovation in a collaborative environment. Candidates must have over 5 years in software dev ...

Senior Backend Engineer Scalable Live Shopping Platform

A leading shopping platform is seeking a Senior Backend Software Engineer to build robust backend services using Node.js and TypeScript. This remote position requires expertise in scalable infrastructure, collaboration with various teams, and leadership on key architectural decisions. Candidates should have a Ba ...

Senior Backend Engineer, Growth Platform (Remote Canada)

A growing tech company is seeking a Senior Software Engineer to design and launch scalable backend systems. You will collaborate with teams to drive user engagement and advocate for solutions to technical challenges. Ideal candidates will have over 4 years of experience with AWS and distributed systems. This rol ...

Senior Backend Engineer Remote (Go, E commerce)

A leading e-commerce technology company is looking for a Senior Software Engineer to join their remote-first team in Canada. This role involves designing and maintaining backend API services for their e-commerce platform, ensuring high reliability and quality. Candidates should have solid backend engineering exp ...

Senior Backend Engineer — Remote, Scalable Systems Expert

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, o ...

Senior Backend Engineer Scalable Commerce Platform Remote

Senior Software Engineer (Ontario, Canada Remote) Date: Jan 22, 2026 Location: Toronto, ON, CA (M5V 2T3, Lakeshore, ON, CA (N8N 5G8)) Company: Cimpress Technology About Cimpress Technology Cimpress Technology builds the software platforms that ...

Remote Senior Backend Engineer, Checkout & PBA Core

A financial services company in Toronto seeks an experienced backend engineer to lead a team in delivering innovative solutions while supporting product development. Responsibilities include defining technical plans and fostering a culture of quality and ownership. The ideal candidate has 4+ years of relevant ex ...

Senior Backend Engineer Checkout Platforms (PBA Core)

A financial technology company is looking for a skilled backend developer to lead projects, support technical decisions, and enhance team metrics in a remote-first environment. Candidates should have over four years of experience in backend system design, proficiency in Python or Kotlin, and strong problem-solvi ...

Senior Backend Engineer AI Driven Platform (Remote)

A dynamic tech firm in Ottawa is seeking a Senior Software Engineer to engage in full-stack development with a backend focus. The role includes building and maintaining high-quality APIs and services. Successful candidates should have over 6 years of experience and proficiency in core technologies like React and ...

Senior Backend Streaming Engineer – Real Time Data

A leading fintech company is looking for a Staff Software Engineer, Backend (Streaming) to design and build data infrastructure for innovative products. The ideal candidate has over 8 years of experience in large-scale production systems, with strong skills in Apache Kafka and stream processing technologies. Thi ...

Senior .NET Backend Engineer Backbase Expert Remote

A technology professional services company seeks a Senior .NET Backend Developer with extensive experience in Backbase. This remote position requires a candidate with strong communication skills, the ability to handle multiple projects, and a passion for technology. The role involves transforming business needs ...

Senior Backend Heavy Fullstack Engineer (Remote Canada)

A fast-growing financial technology company is seeking a Senior Fullstack Developer to take ownership of building high-quality applications for complex financial workflows. The role involves designing and maintaining distributed SaaS applications with a strong focus on backend development, particularly using Jav ...

Remote Senior Backend Engineer Ruby/TS & Architecture

A dynamic insurance technology company is seeking a Senior Software Engineer to build and scale their insurance platform. The role involves tackling complex engineering challenges across Ruby-based backends and Typescript front-ends. Candidates should have a strong track record in shipping projects and mentoring ...

Senior Backend Go Engineer (Remote, AWS, Microservices)

A leading global platform provider in Montreal is seeking a Technical Leader with 10+ years of backend development experience, particularly in Go. You will lead a team of 5-7 developers to solve complex technical challenges while fostering a collaborative, inclusive team environment. Your expertise in scaling ba ...

Senior .NET Backend Engineer (Backbase) — Remote Canada

A tech professional services company is seeking a Senior Backend Engineer to join their innovative team. This role requires 8+ years of experience with .NET and Backbase, a passion for technology, and the ability to collaborate effectively. You'll be responsible for transforming business requirements into techni ...

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    Senior Software Engineer Backend Java Python Nodejs Jobs in Calgary Job Search Guide, Trends and Insights