448,176+ Citi Senior Developer Pythonjava Jobs in Canada — Top Companies Hiring June 2026

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Senior Fullstack Engineer — Lead End to End Product

A technology-driven affiliate platform located in Montreal is seeking a Senior Fullstack Developer to lead full-stack initiatives and mentor junior developers. You will own the design, development, and deployment of critical product features using Node.js, Python, and React. The ideal candidate should have 6+ ye ...

Senior Backend Architect & Team Lead (Laravel, APIs)

A software communication platform company in Metro Vancouver is seeking a Senior Back-End Software Developer. This role involves leading a team to improve backend infrastructure and contribute to product planning. The ideal candidate has at least five years of relevant experience, particularly in designing RESTf ...

Senior DevOps Engineer: Cloud, Security & AI Ready

A leading nuclear innovation firm in Canada is seeking a Senior DevOps Developer to design and maintain secure cloud infrastructure. The role involves optimizing CI/CD pipelines and managing containerization efforts. You will work closely with engineering teams to implement DevSecOps best practices and ensure sy ...

Senior DevOps Engineer: Cloud, Security & AI Ready

A leading nuclear innovation firm in Canada is seeking a Senior DevOps Developer to design and maintain secure cloud infrastructure. The role involves optimizing CI/CD pipelines and managing containerization efforts. You will work closely with engineering teams to implement DevSecOps best practices and ensure sy ...

Senior Full Stack Architect | C#, .NET Core, Azure | Remote

A leading global technology provider in mining seeks a Senior Developer to enhance Centric's architecture and features. This role requires strong expertise in C#, .NET Core, and Angular, along with cloud solutions on Microsoft Azure. The successful candidate will work collaboratively with a skilled team, contrib ...

Senior Full Stack Architect | C#, .NET Core, Azure | Remote

A leading global technology provider in mining seeks a Senior Developer to enhance Centric's architecture and features. This role requires strong expertise in C#, .NET Core, and Angular, along with cloud solutions on Microsoft Azure. The successful candidate will work collaboratively with a skilled team, contrib ...

Senior Full Stack Architect | C#, .NET Core, Azure | Remote

A leading global technology provider in mining seeks a Senior Developer to enhance Centric's architecture and features. This role requires strong expertise in C#, .NET Core, and Angular, along with cloud solutions on Microsoft Azure. The successful candidate will work collaboratively with a skilled team, contrib ...

Senior Software Engineer Scalable FinTech Solutions

A financial services company in Toronto is seeking a Senior Developer to lead software design and development efforts. The role requires expertise in modern frameworks, database management, and cloud platforms. With over 8 years of experience, you will mentor junior developers and collaborate with diverse teams ...

Senior PM Industrial & ICI Construction Leader

A premier industrial developer in the Greater Toronto Area is looking for a Senior Project Manager to lead and oversee multiple industrial, commercial, and institutional projects. The role requires a minimum of 8 years of project management experience in the commercial construction industry. Responsibilities inc ...

Senior Backend Architect & Team Lead (Laravel, APIs)

A software development company in Toronto seeks a Senior Back-End Software Developer to lead a medium-sized team in building innovative communication solutions. The ideal candidate will have 5+ years of experience, expertise in RESTful API design, and strong skills in Laravel/Lumen. This permanent, full-time rol ...

Remote Senior Java Lead | Enterprise Web Apps

A consulting firm in Ontario is seeking a Senior Enterprise Java Developer to lead and mentor project teams. The position is remote and requires over 8 years of professional experience in Java development, with a focus on high-performance web applications. The ideal candidate should have strong communication ski ...

Remote Senior Java Lead | Enterprise Web Apps

A consulting firm in Ontario is seeking a Senior Enterprise Java Developer to lead and mentor project teams. The position is remote and requires over 8 years of professional experience in Java development, with a focus on high-performance web applications. The ideal candidate should have strong communication ski ...

Senior Full Stack Architect | C#, .NET Core, Azure | Remote

A leading global technology provider in mining seeks a Senior Developer to enhance Centric's architecture and features. This role requires strong expertise in C#, .NET Core, and Angular, along with cloud solutions on Microsoft Azure. The successful candidate will work collaboratively with a skilled team, contrib ...

Senior AngularJS UI Lead & Microservices Architect

A leading tech firm in Toronto, Ontario is seeking a Dev Lead/Senior Developer with over 7 years of experience in application development. The ideal candidate will have strong skills in AngularJS, Micro Services, and API development, with a Bachelor’s degree in Computer Science or equivalent. Excellent communica ...

Senior Full Stack Software Engineer – Remote Health Tech

A healthcare technology company is seeking a Senior Software Developer with extensive experience in full-stack engineering. In this role, you will create scalable and efficient systems, collaborating closely with cross-functional teams. Applicants should have at least 5 years of experience and strong proficiency ...

Senior Full Stack Software Engineer – Remote Health Tech

A healthcare technology company is seeking a Senior Software Developer with extensive experience in full-stack engineering. In this role, you will create scalable and efficient systems, collaborating closely with cross-functional teams. Applicants should have at least 5 years of experience and strong proficiency ...

Senior Front End Engineer Health Tech, On Site

A leading healthcare technology company is seeking a Senior Front End Developer to join their dynamic team in Sunnyvale, CA. In this role, you will be responsible for developing user-friendly web applications using React and React Native. Ideal candidates will have a strong background in front-end development wi ...

Senior AI Backend Engineer — Real Time Event Platform

A tech company specializing in event-driven architecture is seeking a Senior Software Developer to join their AI team. The role involves leading technical projects, creating robust APIs, and collaborating across functions to enhance product offerings. Candidates should have over 7 years of experience, strong bac ...

Senior Full Stack Software Engineer – Remote Health Tech

A healthcare technology company is seeking a Senior Software Developer with extensive experience in full-stack engineering. In this role, you will create scalable and efficient systems, collaborating closely with cross-functional teams. Applicants should have at least 5 years of experience and strong proficiency ...

Senior Full Stack Engineer — React/TypeScript, AWS, Remote

A leading educational technology company in Canada is seeking a Senior Full Stack Software Developer to design and maintain cloud‑based applications. This high-impact role requires deep expertise in React and involves working across the full technology stack, shaping architecture and raising engineering standard ...

Senior Full Stack Engineer — React/TypeScript, AWS, Remote

A leading educational technology company in Canada is seeking a Senior Full Stack Software Developer to design and maintain cloud‑based applications. This high-impact role requires deep expertise in React and involves working across the full technology stack, shaping architecture and raising engineering standard ...

Senior Full Stack Software Engineer – Remote Health Tech

A healthcare technology company is seeking a Senior Software Developer with extensive experience in full-stack engineering. In this role, you will create scalable and efficient systems, collaborating closely with cross-functional teams. Applicants should have at least 5 years of experience and strong proficiency ...

Senior Cloud Software Engineer – Cloud Native

A leading cybersecurity company is seeking a Senior Software Developer to join its FortiClient Cloud team in Burnaby, Canada. The role involves designing and developing cloud applications using modern technologies. Ideal candidates should have a minimum of 5 years relevant experience, strong skills in Python and ...

Senior C++ Game Engineer Real Time Rendering & Cloud Gaming

A game development company in Montreal is looking for a Senior Game Developer to lead feature development and graphics optimization. This role involves designing high-performance game systems and collaborating with product teams. The ideal candidate should have over 8 years of experience in game development, a s ...

Senior Full Stack Architect | C#, .NET Core, Azure | Remote

A leading global technology provider in mining seeks a Senior Developer to enhance Centric's architecture and features. This role requires strong expertise in C#, .NET Core, and Angular, along with cloud solutions on Microsoft Azure. The successful candidate will work collaboratively with a skilled team, contrib ...

Remote Senior Java Lead | Enterprise Web Apps

A consulting firm in Ontario is seeking a Senior Enterprise Java Developer to lead and mentor project teams. The position is remote and requires over 8 years of professional experience in Java development, with a focus on high-performance web applications. The ideal candidate should have strong communication ski ...

Remote Senior Java Lead | Enterprise Web Apps

A consulting firm in Ontario is seeking a Senior Enterprise Java Developer to lead and mentor project teams. The position is remote and requires over 8 years of professional experience in Java development, with a focus on high-performance web applications. The ideal candidate should have strong communication ski ...

Ingénieur IA Senior — Production, Edge/Cloud, MLOps

Une entreprise technologique est à la recherche d'un Staff AI Developer basé à Montréal, QC. Ce rôle senior nécessite une expertise en ingénierie IA, MLOps et développement logiciel. Les candidats doivent posséder plus de 8 ans d'expérience en IA et une solide maîtrise des techniques de mise en production. Colla ...

Senior Software Engineer: Compliance & Multi Region

A leading Asset and Work Intelligence platform in Montreal is seeking a Senior Software Developer to excel in compliance and multi-region deployments. The role requires a strong background in full-stack development, particularly in TypeScript and React Native, as well as expertise in AWS and infrastructure as co ...

Senior DevOps Engineer: Cloud, Security & AI Ready

A leading nuclear innovation firm in Canada is seeking a Senior DevOps Developer to design and maintain secure cloud infrastructure. The role involves optimizing CI/CD pipelines and managing containerization efforts. You will work closely with engineering teams to implement DevSecOps best practices and ensure sy ...

Senior iOS Architect & Mentor — SwiftUI, Performance

A leading technology company in Canada is seeking a Senior iOS Developer to architect and build scalable iOS applications. The ideal candidate will possess strong computer science fundamentals, deep expertise in iOS development, and the ability to mentor others. This role emphasizes collaboration and the use of ...

Senior Java VOIP/SIP Engineer 911 Systems Hybrid Montreal

A technology leader in emergency communications is looking for a Senior Java Developer to create and maintain VOIP/SIP solutions. This role requires 8+ years of experience in software development, particularly in Java. The chosen candidate will work with cross-functional teams to deliver critical systems for eme ...

Senior Full Stack Lead for AI Risk Solutions

A leading tech solutions provider is seeking a Senior Full Stack Developer in Toronto to support the development of a new full-stack application within the Risk domain. The role involves integrating frontend and backend components, collaborating with UI developers, and leading the technical direction. Candidates ...

Senior Backend Engineer Python/Node, Scalable APIs

A leading software company in Toronto is seeking a Senior Software Developer to join their Autodesk Construction Cloud team. The role involves designing and maintaining RESTful APIs and backend services using Node.js and Python. Ideal candidates will have over 3 years of experience in backend development, a stro ...

Senior DevOps Engineer: Cloud, Security & AI Ready

A leading nuclear innovation firm in Canada is seeking a Senior DevOps Developer to design and maintain secure cloud infrastructure. The role involves optimizing CI/CD pipelines and managing containerization efforts. You will work closely with engineering teams to implement DevSecOps best practices and ensure sy ...

Senior Java Backend Engineer Microservices & Cloud

A leading technology firm in Peel Region, Mississauga is looking for a Senior Java Developer. This role involves leading the implementation of application systems in coordination with the Technology team. The ideal candidate will have 8-12 years of experience in Java backend development, proficiency in Python an ...

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 ...

Senior .NET Backend Engineer – API & Event Driven Systems

A leading sports technology company is seeking a Senior .NET Backend Developer to join its backend team. In this role, you will design and maintain backend systems using .NET. Key responsibilities include developing APIs, applying Clean Architecture principles, and collaborating with cross-functional teams. Idea ...

Staff Backend Platform Engineer Scheduling & Automation

A leading virtual care provider in Montreal seeks a Staff Platform Developer to provide technical leadership and advance the architecture of their scheduling and automation platform. This is a senior role focusing on backend engineering and system design, where you'll guide teams and set standards. Ideal candida ...

Senior .NET Architect – Cloud & Distributed Systems

A leading nuclear technology firm is looking for a Senior .NET Developer to own and design mission-critical software systems that drive digital transformation in the nuclear industry. This role will require strong ownership of architectural decisions, cloud-native application design, and leadership in a collabor ...

Remote Senior Java Lead | Enterprise Web Apps

A consulting firm in Ontario is seeking a Senior Enterprise Java Developer to lead and mentor project teams. The position is remote and requires over 8 years of professional experience in Java development, with a focus on high-performance web applications. The ideal candidate should have strong communication ski ...

Senior iOS Lead: Strategy, Features & Mentorship

A leading tech company in Calgary, Alberta, is seeking a Senior iOS Developer to significantly impact its flagship trading platforms. The ideal candidate will be passionate about building innovative and user-focused software, possess expertise in Swift and iOS SDK, and have over 7 years of experience in developm ...

Backend Architect, Cloud & IoT for Senior Care (Hybrid)

A Montreal-based startup is seeking a backend developer to enhance its cloud infrastructure supporting IoT devices for senior care. The candidate will design, deploy, and maintain robust backend solutions, ensuring seamless integration with the hardware team. Responsibilities include developing cloud APIs and Io ...

Senior Frontend Engineer UX Driven, Agile, Toronto

A technology solutions company located in Toronto, ON, is seeking a Senior Front End Developer for a full-time role. The ideal candidate will have over 5 years of web application development experience, familiarity with REST APIs, and a strong understanding of Agile methodologies. You will work closely with UX d ...

Senior Java Engineer Spring Boot & Microservices

A leading global financial institution is seeking a highly motivated Senior Java Developer to join their Wholesale Credit Risk Technology team. The role entails implementing projects using Java, Spring Boot, and Microservices, while collaborating with both onshore and offshore teams. Candidates should have at le ...

Senior Software Engineer — Cloud, Azure & Dynamics 365

A leading consulting firm in Toronto is seeking a Senior Software Developer to work in a hybrid model, requiring 3 days onsite and 2 days remote. Ideal candidates should have over 10 years of experience in software development, knowledge of relational databases, and expertise in cloud computing technologies like ...

Senior SRE Software Engineer: Scale & Reliability Leader

A leading global tech company is seeking a Senior Software Developer for its Site Reliability Engineering team. This role involves optimizing large-scale systems for reliability and performance. Candidates should have a Bachelor's degree in Computer Science or Engineering with 5+ years of software development ex ...

Senior UI Architect – Rates Trading Tech Lead

A major financial services firm in Toronto seeks a Senior Application Developer to enhance its Rates trading systems. Candidates must have at least 6 years of experience in building client-side applications, especially with Angular and ReactJS. The role involves UI development, project delivery, and continuous p ...

Senior Java Full Stack Engineer: Cloud, Microservices, CI/CD

A leading software development firm is seeking a Senior Full Stack Java Developer in Montreal to help build a secure and scalable cloud-based settlement platform. You'll work in an agile team, contributing to architectural design and development, while mentoring junior developers. The ideal candidate has over 5 ...

Senior Node.js Engineer Toronto (Hybrid: 2 Days Onsite)

A leading software development company in Toronto is looking for a Senior NodeJS Developer to join their team. The ideal candidate should have over 7 years of experience in Node.JS development. This role involves integration testing and the creation of test data for new services. The position requires strong ski ...

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