Sr Java Developer Python Needed Jobs in Ottawa, Canada

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Optical Engineer Co Op 12 16 Months

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business ...

Backend Engineer II — Identity & Auth Systems (Remote)

A financial technology company is looking for a Software Engineer II to join its remote team in Canada. The ideal candidate will have over 1.5 years of backend development experience, proficiency in Python or Kotlin, and familiarity with distributed systems such as AWS and MySQL. You'll engage in the product dev ...

Senior Quantitative Model Risk Manager Remote

A financial technology company is searching for a skilled Finance/Analytics Quantitative Model Risk Manager to validate financial models and ensure their reliability. The ideal candidate will have at least 6 years of experience in model validation or data analytics, with strong skills in Python and SQL. This rol ...

Staff AI Engineer: Builder of Scalable AI SaaS

A leading procurement platform in Canada is seeking a Staff AI Engineer to design and develop AI-powered features and backend systems. This role requires 10+ years of software engineering experience, with a focus on AI and ML. Candidates should have strong expertise in Python and cloud services, and be comfortab ...

Backend Engineer II — Remote, Money Movement Platform

A leading financial tech company in Canada is looking for a passionate Software Engineer II. In this role, you'll help build tools for managing money movement and bank data integration, contributing to Affirm’s innovative financial products. You should have at least 1.5 years of experience in backend systems, be ...

Backend Identity Engineer II – Remote, Scalable Auth Systems

A leading financial technology company is seeking a Software Engineer II for their backend team in Ottawa. You will be responsible for ensuring high-availability systems and collaborating closely with product managers and design teams. Ideal candidates will have at least 1.5 years of experience, proficiency in P ...

Senior Backend Engineer, Merchant Interfaces APIs (Remote)

A leading fintech company is seeking a Senior Software Engineer to enhance backend systems through API development. The ideal candidate has over 5 years of software engineering experience, is proficient in Python or Kotlin, and is familiar with AWS, MySQL, and Kubernetes. This position offers a salary range of $ ...

Remote AI/ML Engineer, IT Operations

A leading professional services firm in Toronto is seeking an AI/ML Engineer to enhance IT operations through innovative machine learning solutions. The role involves designing, building, and deploying ML models and tools. With a competitive salary range of $69,000 - $114,000 and the possibility of remote work, ...

Remote Analytics Lead, People Data & Insights

A tech-driven financial services company is seeking an Analytics Lead to enhance their People Analytics data infrastructure. In this pivotal role, you'll design advanced data models, manage ETL pipelines, and ensure data quality across systems. The ideal candidate has over 5 years of experience with SQL, dbt, an ...

Senior Data Engineer Remote, Scale Cloud Data Platform

A Canadian online sportsbook and casino is seeking a Senior Data Engineer to take ownership of a modern cloud data platform. In this pivotal role, you will design and build scalable data warehouse solutions, develop ingestion pipelines, and ensure data quality. The ideal candidate has over 5 years of experience, ...

Analytics & ML Product Associate Remote, Mentorship

A leading analytics and AI startup in Toronto is seeking an Associate Product Manager to drive analytics and ML product development. The ideal candidate will have 1-2 years of experience in analytics or data science, strong technical skills in SQL and Python, and the ability to collaborate with cross-functional ...

Senior Data Engineer — Databricks on AWS (Remote)

A leading data solutions company is seeking a Senior Data Engineer to join their fully remote team. In this role, you will design and build scalable ETL/ELT pipelines using Databricks on AWS, ensuring data quality and collaborating closely with cross-functional teams. The ideal candidate has over 7 years of expe ...

Senior Hydro Data Consultant Remote (12 Month)

A leading consulting firm is seeking a Senior Data Consultant - Hydro to work on a long-term contract with a hydro client in Ottawa. The role involves data analysis, client collaboration, and developing data-driven solutions. Ideal candidates should have at least 5 years of relevant experience, with expertise in ...

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 MAAS Engineer: Scale Open Source Cloud

A leading tech firm located in Vancouver is seeking experienced software engineers to develop MAAS (Metal As A Service) technology. The ideal candidate will have a solid background in Python and Go, alongside excellent problem-solving skills and a passion for open source software. Responsibilities will include s ...

Senior Backend Engineer Checkout Platforms (PBA Core)

A financial technology company is seeking an experienced backend engineer to develop and launch systems at scale. You will lead teams, solve technical challenges, and collaborate with product stakeholders. Ideal candidates have over 4 years of backend design experience with Python or Kotlin, and knowledge of AWS ...

Engineering Manager, Backend SaaS — Remote & Scale

A leading provider of open source software is seeking a Software Engineering Manager to lead the development of their Landscape systems management solution. The ideal candidate will mentor engineers, manage agile practices, and contribute to high-quality software delivery. This role involves remote work with occ ...

Senior Staff ML Engineer Underwriting & Risk (Remote)

A financial technology company is seeking a Senior Staff Machine Learning Engineer in Ottawa, Canada. This role involves defining a technical strategy for machine learning, leading the implementation of advanced ML systems, and mentoring senior engineers. Ideal candidates will have over 10 years of experience in ...

Remote Full Stack AI Engineer

A dynamic tech company is searching for a Full Stack AI Engineer to develop AI-powered solutions and agent-based models. The role requires advanced programming skills, especially in Python, along with experience in machine learning applications. Candidates should possess a relevant degree and be comfortable in a ...

Engineering Manager App Stores (Remote)

A leading software firm is seeking an Engineering Manager to lead teams developing Python and Golang micro-services. This role focuses on leading a highly scalable SaaS product transformation, mentoring engineers, and fostering a positive team culture. You will be responsible for code reviews, architectural lead ...

Remote Backend SaaS Engineering Lead | Mentorship & Growth

A leading software firm is seeking a Software Engineering Manager (Backend SaaS) to lead a team and develop the Landscape systems management solution for Ubuntu. In this mid-senior level role, you will enhance team dynamics, promote agile practices, and ensure high-quality software delivery. Candidates should ha ...

Remote Senior Backend Engineer, Checkout & PBA Core

A financial technology company seeks an experienced backend engineer to lead projects in a remote-first environment in Kitchener, Canada. This role requires over 4 years of experience in designing and launching scalable backend systems using languages like Python or Kotlin, and tools such as AWS and Kubernetes. ...

Remote Data Pipeline Engineer

A leading AI technology firm is seeking a talented Software Engineer II to join their remote team in Montreal. This position focuses on designing and developing data processing pipelines, ensuring robust functionality, and debugging complex data issues. Candidates should have strong skills in SQL and Python, wit ...

Senior Data Engineer: Big Data Solutions (Remote)

A global technology firm is seeking a Senior Data Engineer to design and build scalable data solutions. This remote position demands expertise in Python, SQL, and Spark, combined with experience in Big Data technologies like Hadoop and Kafka. The ideal candidate will have 5+ years in software development or data ...

Senior Backend Engineer PMI Integrations (Remote)

A leading fintech company is seeking an experienced Software Engineer for their Partner Merchant Interface team. This role involves designing and supporting APIs to integrate with merchants, collaborating with cross-functional teams, and contributing to the entire API lifecycle. Candidates should have 5+ years o ...

Remote Ceph & Distributed Storage Engineer

A leading open source software provider is seeking a Software Engineer for Ceph & Distributed Storage. This position focuses on developing high-quality software and involves international travel. The ideal candidate will be passionate about software-defined data centers and possess a Bachelor's degree or equival ...

Senior Backend Engineer Checkout Platforms (PBA Core)

A financial services company in Calgary is seeking an experienced backend engineer to lead and deliver team goals while developing robust systems. Candidates should have over 4 years of experience in backend development using Python or Kotlin, and be proficient with AWS, MySQL, and Kubernetes. This remote-first ...

Freelance Software Engineer: AI Model Reasoning

A leading tech recruiting company is seeking a Freelance Software Engineer to join their team in Montreal. You'll be responsible for reviewing generated code, annotating decision points, and ensuring technical accuracy. The role requires a Bachelor’s degree and at least 2 years of software engineering experience ...

Remote Ceph & Distributed Storage Engineer

A global open source software company is seeking a Software Engineer for Ceph & Distributed Storage. This role involves writing high-quality Python and Golang software while collaborating with a distributed team. Candidates should have a passion for the future of software-defined datacenters and experience with ...

Senior AI/ML Engineer — Production & scalable systems (Remote)

A technology consultancy is hiring a Senior AI/ML Engineer for a high-impact AI project. This remote position involves designing and building machine learning models, developing end-to-end ML pipelines, and collaborating with teams to integrate AI into production. Required qualifications include senior-level exp ...

Scientifique des Données Senior — Télétravail Canada

Une entreprise de biotechnologie recherche un expert en science des données pour diriger des initiatives d'IA et apporter des solutions innovantes. Vous travaillerez sur des données complexes pour évoluer vers l'excellence opérationnelle. Les candidats doivent avoir au moins 5 ans d'expérience, une maîtrise préf ...

Remote Freelance AppSec Engineer — Vulnerability Expert

A leading technology firm is seeking a Software Engineer specializing in Cybersecurity to work on remote projects. This role involves designing and validating benchmark tasks related to application security and producing task metadata. Candidates must have 2+ years of experience in software engineering, preferab ...

Remote Ceph & Distributed Storage Engineer

A leading open-source software provider is seeking a Software Engineer for Ceph & Distributed Storage. In this role, you'll develop systems for OpenStack, Ceph, and Kubernetes while ensuring scalable solutions in production. Ideal candidates have a strong programming background in Python and Golang, along with e ...

AI Engineer Agentic AI (Hybrid/Remote)

A leading financial services firm is seeking an AI Engineer – Agentic AI to develop production agentic AI systems that manage real financial data. In this collaborative role, you'll work with experienced engineers and product managers to design, build, and implement AI-driven features. The position demands exper ...

Linux Ubuntu Engineer Silicon & AI Stack (Remote)

A leading open-source technology company is seeking open-source enthusiasts for an engineering role focused on optimizing Ubuntu for new silicon technologies. This position involves collaborating with global silicon companies and contributing to the Linux stack. Ideal candidates should possess strong fundamental ...

Remote Ceph & Distributed Storage Engineer

A leading open source software firm is seeking a Software Engineer for Ceph & Distributed Storage, focusing on building solutions for OpenStack and Kubernetes. The role involves high-quality Python and Golang programming in a globally distributed team with opportunities for international travel. The ideal candid ...

Open Source Software Support Engineer — Remote

A leading open source software provider is seeking a Software Support Engineer for troubleshooting and resolving complex issues in Ubuntu and related open source technologies. The role requires a strong background in Linux programming and the ability to communicate effectively with both customers and engineering ...

Remote Embedded Linux Field Engineer – IoT & Devices

A leading open-source software company is looking for an Embedded Linux Field Engineer for Devices/IoT, based remotely. The role involves engaging with clients, proposing solutions, and delivering projects in the embedded space. Candidates should have extensive knowledge of Linux, especially Debian or Ubuntu, an ...

Senior Security Operations Engineer: SOC & Tooling

A leading technology firm in Laval, Quebec is seeking a Senior Security Operations Engineer to lead and develop a world-class Security Operations Center. The role involves traditional SOC duties, security engineering, and mentoring junior engineers. Candidates should have 10+ years of experience in cybersecurity ...

Backend Software Engineer — Landscape SaaS (Remote)

A leading open-source software company is seeking a Software Engineer to develop management solutions for its Ubuntu platform. The role involves creating new features, collaborating within a distributed remote team, and maintaining high code quality. Ideal candidates will have a Bachelor's in Computer Science an ...

Senior ASIC Digital Designer

We Are: At Synopsys, we drive the innovations that shape the way we live and connect. Our technology is central to the Era of Pervasive Intelligence, from self-driving cars to learning machines. We lead in chip design, verification, and IP integration, empowering the creation of high-performa ...

Staff Backend Engineer, Growth Platform (Remote)

A leading financial technology company located in Canada, Prince Edward Island, is seeking a seasoned professional to define technical strategies and lead backend platform development that influences customer acquisition and retention. With over 8 years of experience in backend systems and a strong foundation in ...

Backend Engineer II Fraud (Remote + Equity)

A leading FinTech company based in Canada is looking for a Software Engineer to join their team. This position offers a salary up to $175,000 along with equity rewards and a comprehensive benefits package. The software engineer will breakdown projects, collaborate closely with cross-functional teams, and engage ...

Enterprise Cloud Native Full Stack AI Engineer

A digital-first technology services firm is looking for a Talent Acquisition Leader for the Mexico & Canada region. This mid-senior level role involves developing cloud-native software for B2B products, leading technical components, and fostering a strong Agile culture within the team. The ideal candidate will h ...

Remote Data Analyst: Risk & Operational Performance

A leading crypto firm based in Canada is seeking a Data Analyst to enhance decision-making through data insights. This remote position involves owning data management processes, designing dashboards, and collaborating with cross-functional teams. The ideal candidate has over 5 years of experience in analytics wi ...

Ingénieur Backend Senior – Intégrations & API

Une entreprise technologique innovante au Canada recherche un Développeur(euse) Backend Senior pour rejoindre son équipe dynamique. Le candidat idéal aura 5 à 7 ans d'expérience technique, notamment avec les API REST/SOAP et au moins un langage de programmation tel que Go ou Python. Vous serez responsable de liv ...

Senior Backend Engineer AI Platform & MCP Architect

A leading automation technology company is seeking a Senior Backend Engineer to help design core APIs for AI agents. This role encompasses building scalable systems and collaborating with cross-functional teams to enhance protocol effectiveness. Ideal candidates will have over 6 years of backend development expe ...

Remote Senior Data Engineer Cloud Data & ML Pipelines

A leading data solutions provider in Canada is seeking a Senior Data Engineer to design and build cloud-native data infrastructures. This role involves developing scalable ETL/ELT pipelines, optimizing data models, and ensuring compliance in regulated environments. Candidates should have a degree in Computer Sci ...

Remote Senior Staff ML Engineer Fraud & Underwriting

A leading financial service company in Canada is looking for a Senior Staff Machine Learning Engineer to drive multi-year technical strategies and advanced ML system design. The role requires extensive experience in large-scale machine learning systems and a strong proficiency in Python and frameworks like PyTor ...

Remote Open Source Security Engineer

A leading technology firm is seeking exceptional security-focused software engineers to enhance product security. This globally remote role requires strong self-discipline and motivation, with mandatory international travel. The ideal candidate will drive security initiatives, analyze vulnerabilities in open sou ...

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    Sr Java Developer Python Needed Jobs in Ottawa Job Search Guide, Trends and Insights