399,158+ Citi Senior Developer Pythonjava Jobs in Canada — Top Companies Hiring June 2026

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Senior Go Backend Engineer Scalable Microservices

A renowned gaming company is seeking a Senior Go Developer for a full-time, hybrid position in Toronto. The role focuses on backend microservices development in a high-scale environment. Candidates should have over 5 years of Go experience and understand Go concurrency, HTTP frameworks, and SQL databases. The po ...

Senior Node Engineer: Cloud Scale Proxy & Microservices

An innovative SaaS startup is looking for a Senior Node Developer to work on transformational software development for an embedded service layer. The role requires developing high-throughput proxy services, designing scalable distributed systems, and optimizing Node.JS applications. Candidates should have over f ...

Senior Java Back End Engineer for FX Platform Modernization

A leading financial services firm is seeking a Senior Back-End Java Developer to support the modernization of their Foreign Exchange platform. The role involves developing high-performance back-end components and RESTful APIs, focusing on integration across banking systems. Ideal candidates have over 7 years of ...

Senior BI & Data Analytics Engineer (BOBJ/Crystal)

A leading technology provider in Toronto is seeking a Senior Software Developer with over 10 years of experience in SAP BusinessObjects and database management. The role requires strong skills in report development, troubleshooting, and performance tuning, primarily focusing on business intelligence solutions. I ...

Senior Automation Engineer QA Automation & DevOps

A technology consultancy in Toronto is looking for a Senior Automation Developer to enhance their software quality assurance processes. The role requires extensive experience with automated testing tools such as Katalon and Selenium, along with over 10 years of QA experience, particularly in a DevOps environment ...

Senior .NET Applications Dev (Remote Contract)

A consulting firm is looking for a Senior Application Developer in Edmonton, Canada for a 12-month full-time contract with the possibility for extension. The candidate will handle responsibilities ranging from application development to liaising with business units for effective solutions. Strong knowledge of .N ...

Senior CRM Software Engineer Siebel & Integration Expert

A leading software development company in Toronto is seeking a Senior Software Developer specializing in CRM applications. The ideal candidate will have over 10 years of experience with Siebel technical configuration and development. Responsibilities include translating technical specifications into working appl ...

Senior React & Node.js Full Stack Engineer

A leading tech company in Toronto is seeking a Senior Full Stack Developer to build scalable and reliable systems. The ideal candidate has over 8 years of experience in full stack web development, excels in React.js and Node.js/Express.js, and possesses strong communication skills. You'll work in an Agile enviro ...

Senior Cloud Services Lead Kotlin/Spring Boot (Remote)

A medical technology company in Peel Region, Mississauga is seeking a Senior Cloud Services Developer with expertise in Kotlin and Java. You will design and maintain scalable cloud services for mobile and web applications. This role demands strong leadership and collaboration skills, as well as extensive experie ...

Senior Lead Software Architect Angular & Benefits Tech

A leading health technology provider is seeking a Senior Lead Software Developer in Toronto, Ontario. In this pivotal role, you will design and develop innovative web applications while mentoring junior developers. Your contributions will directly impact the financial futures of millions, shaping the future of r ...

Senior Data Platform Engineer Databricks & Pipelines

A leading Asset and Work Intelligence platform is seeking a Senior Data Developer to enhance their data platform utilized for critical internal analytics. The role requires over 6 years of experience with data platforms like Databricks along with strong Python and SQL skills. Ideal candidates are expected to des ...

Senior Software Engineer — Build Scalable Systems

A public sector service provider is seeking a Senior Software Developer to focus on Java-based web application development, RESTful APIs, and microservices. This role, performing both design and implementation tasks, requires a strong background in large-scale, multi-client applications within an agile environme ...

Senior Backend Engineer Java Spring Boot + Camunda 8

A leading cloud services provider is seeking a Senior Backend Developer in Toronto, Ontario. This role involves designing and developing secure backend services, utilizing technologies like Java Spring Boot and Camunda 8. Ideal candidates will have 8-10 years in software development focusing on backend engineeri ...

Senior Backend Engineer: AI Powered Commerce Platform

A leading software company based in Ontario, Canada, is seeking a Senior Backend Software Developer to design and build core APIs for their AI-assisted commerce platform. The role involves enhancing APIs and services, implementing secure communications, and collaborating with various teams. Candidates should hav ...

Senior Backend Architect — Remote, Azure & ERP

A leading technology firm in Calgary is seeking a Senior Developer to lead internal development and collaborate across teams. The ideal candidate will have 7–10+ years of experience in software development, strong proficiency in C#/.NET and/or Python, and a deep understanding of Azure environments. Responsibilit ...

Senior Python Backend Engineer VMware & Scalable Systems

A technology company in Montreal is seeking a Senior Python Developer to build secure, scalable backend solutions for virtualization platforms. The ideal candidate will have extensive expertise in Python, Linux, SQL, and large-scale systems engineering. Responsibilities include supporting global virtualization i ...

Senior Embedded Firmware Engineer Next Gen Systems

A leading security technology firm in Quebec is seeking a Senior Embedded Developer to join their dynamic team. The role involves taking part in innovative projects, working mainly in embedded C. Candidates should have at least five years of experience in embedded systems, knowledge of various communication prot ...

Senior Embedded Software Engineer Satellite Systems

A leading consulting firm in Ottawa is looking for a Senior Embedded Software Developer to oversee the development of software modules in a dynamic scrum team. Candidates should possess over 8 years of experience in embedded systems, showcasing expertise in C++ and Python, along with a solid understanding of net ...

Senior Full Stack Dev: Build with Node & Azure

A leading technology firm in Calgary is looking for a Senior Full Stack Developer. The ideal candidate should have over 5 years of experience in software delivery, with preferred knowledge in Node.js, SQL Server, serverless architecture, and Azure tools. Responsibilities include designing and testing software, m ...

Senior Full Stack Engineer: Next.js & React Native

A technology-driven educational market leader is seeking a Mid-Senior Full-Stack Developer to lead the Next.js web platform development and manage the React Native mobile app. The role demands 3–4+ years in web development including Node.js and React Native. Offering a competitive salary ranging from $60,000 to ...

Senior API Engineer REST, Spring Boot, Azure

A software development company in Toronto is seeking a Senior Software Developer with expertise in API development. The ideal candidate will have over 8 years of experience in designing and building RESTful APIs. You will be responsible for ensuring high performance under load and integrating secure authenticati ...

Senior Frontend Engineer (React/Redux) Full Stack & Cloud

A leading tech company in Ontario, Canada is seeking a Senior Frontend Developer specializing in React and Redux. The role involves enhancing the RadioTrax portal and its apps, collaborating with product and engineering teams, and building systems to ensure optimal performance. Candidates should have a BS in Com ...

Senior Software Engineer AI Driven, Scalable .NET on AWS

A leading software firm in Toronto is hiring a Senior Software Engineer to lead a small team, focus on feature delivery and enhance the technical maturity of core systems. Candidates should have 5+ years of experience with C#, ASP.NET, and strong AWS skills. This role offers opportunities to influence team cultu ...

Senior Full‑Stack Engineer, Internal Tools Lead

A leading video game development company in Montreal is seeking a Senior Full‑Stack Developer to collaborate with designers and engineers, promote internal products, and take ownership of product improvements. Ideal candidates should have 3 to 5 years of development experience predominantly in front‑end roles, w ...

Senior Frontend Engineer, Monetization & LiveOps

A leading gaming services company is seeking a Senior Frontend Developer to join their Monetization team. This role involves building high-performance interfaces for promotional tools and dashboards used globally by game studios. Ideal candidates will have 3-5+ years of experience in frontend development, partic ...

Hybrid Senior Backend Engineer: Distributed Systems & Cloud

A technology company in Metro Vancouver is looking for a Senior Software Developer to enhance their distributed computing platform. The role involves coding, collaboration on design, and troubleshooting issues in production services. Candidates should possess over 4 years of backend development experience with l ...

Senior Full Stack Engineer: React/Node on Azure

A technology recruitment firm is seeking a Senior Software Developer to design and maintain modern web applications within an Agile environment. The candidate must have strong experience with front-end and back-end technologies, particularly React and TypeScript, and familiarity with Microsoft Azure cloud servic ...

Hybrid Senior Software Engineer — Remote/Onsite

A leading technology firm in Toronto is seeking an experienced Software Developer - Senior to drive software development initiatives. The role involves translating specifications into working applications, coding, testing, and providing post-implementation support. Candidates should have over 10 years of experie ...

Senior Tech Lead for AI Driven Modernization (Remote)

A fast-growing software company in Canada is seeking a Senior Developer (Team Lead) to lead technical execution and modernization of legacy products. This role involves hands-on development as well as team management, with a focus on building AI-driven processes and solutions. Candidates should have over 7 years ...

Senior Full Stack Engineer — TypeScript / Node.js / Angular

A leading healthcare technology company in Brampton is seeking a Senior Full Stack Developer with over 4 years of experience. The ideal candidate will have mastery in TypeScript, hands-on experience with Node.js and Angular, and a solid background in PHP/Laravel. This role involves designing high-performance fea ...

Senior SDET for AI Testing & Frameworks

A technology company in Vancouver is seeking a Senior Software Developer in Test (SDET) to design and maintain testing solutions for their AI and Machine Learning services. Candidates should possess a minimum of 8 years of testing experience, with strong skills in programming languages such as Java or Python, te ...

Full Stack GenAI Developer: RAG & Azure

A leading AI solutions provider in Toronto seeks a Senior Gen AI Developer/Engineer to join their team. You will lead the delivery of scalable applications using Python (FastAPI) and Vue.js, focusing on advanced AI capabilities in a financial services context. Ideal candidates should have proven experience with ...

Senior Software Engineer – Digital Workflow (Hybrid)

A dynamic technology company in Montreal is seeking a Senior Software Developer to drive technology choices and design web applications for industrial automation. You will work closely with team leads and product managers, participating in all aspects of the software development lifecycle. The ideal candidate wi ...

Senior Frontend Engineer Angular, AWS & CI/CD

A leading IT services company in Toronto is seeking a Senior Frontend Developer. Ideal candidates will have extensive experience in frontend development using Angular, JavaScript, and AWS, along with strong communication skills. The role offers a competitive salary range of CA$ 90,000 to CA$ 120,000 per year, fo ...

Senior VS Code Plugin Engineer Embedded Systems & DevOps

A leading technology company in Ottawa seeks a Senior Engineer specialized in Visual Studio Code Plugin Development for Embedded Systems and DevOps. The role involves developing extensions, integrating with hardware programming interfaces, and implementing CI/CD pipelines. Ideal candidates should have strong exp ...

Senior Full Stack Engineer Remote (Canada)

A leading InsurTech firm in Toronto is seeking a Senior Software Developer to work in the Development Experience Group. You will be responsible for leveraging Node.js and TypeScript to enhance our software systems, ensuring high standards in development and performance. The position allows for a remote-first set ...

Senior Data Platform Engineer Databricks & Pipelines

A leading Asset and Work Intelligence platform is seeking a Senior Data Developer to enhance their data platform utilized for critical internal analytics. The role requires over 6 years of experience with data platforms like Databricks along with strong Python and SQL skills. Ideal candidates are expected to des ...

Senior CCR Quantitative Modelling Engineer (Monte Carlo)

A leading financial services firm in downtown Toronto is seeking a Senior CCR Quantitative Modelling Developer. This role involves hands-on quantitative engineering in the development of internal Monte Carlo-based solutions to enhance Counterparty Credit Risk capabilities. The ideal candidate should have extensi ...

Senior Full‑Stack AI & Geospatial Solutions Engineer

A leading environmental firm based in Toronto is seeking a Senior Full Stack Developer to join their Digital Solutions team. The role involves designing and developing modern applications that utilize cutting-edge technologies, including AI and IoT. Candidates should have a strong background in full stack develo ...

Senior Full Stack Engineer — Mission Critical & Hybrid

A critical care service in Calgary is seeking a Senior Full Stack Developer to design and optimize applications supporting their life-saving mission. This role involves collaboration across teams, focusing on modern web technologies and cloud-native architectures. The ideal candidate will have extensive experien ...

Senior Full Stack Architect (C#, .NET, TS) – Hybrid

A leading technology firm in Mississauga, Canada is seeking a Full-stack Developer proficient in C#, TypeScript, .NET, and Angular. The role involves designing and implementing complex systems, mentoring senior developers, and collaborating with various stakeholders. We offer a hybrid work model and the chance t ...

Senior Power Platform & Copilot Studio Engineer

A leading consulting firm in Toronto is seeking a Senior Power Platform and Copilot Studio Developer to design applications and contribute to innovative solutions. The role requires strong Power Platform skills, at least 2-3 years of experience, and the ability to work collaboratively across teams. The successfu ...

Senior Backend & Embedded Systems Engineer

A technology company in Montreal is seeking a Senior Software Developer with 10+ years of experience in software development. The role focuses on back-end and embedded systems, requiring strong expertise in C++ and familiarity with various technologies. The ideal candidate will collaborate with teams, maintain r ...

Senior Embedded Software Engineer Satellite Systems

A leading consulting firm in Ottawa is looking for a Senior Embedded Software Developer to oversee the development of software modules in a dynamic scrum team. Candidates should possess over 8 years of experience in embedded systems, showcasing expertise in C++ and Python, along with a solid understanding of net ...

Senior Java Full Stack Engineer (Spring Boot + Angular)

A leading technology solutions provider in Toronto seeks a Senior Full Stack Developer with expertise in Java, Spring Boot, and Angular. The successful candidate will design and develop enterprise-grade applications and collaborate with cross-functional teams. We are looking for someone with over 8 years of expe ...

Senior AI Driven Cloud Architect for Real Time Trading

Une entreprise technologique de pointe à Montréal recherche un Senior Developer pour concevoir et maintenir l'infrastructure soutenant ses opérations critiques de trading d'électricité. Vous serez responsable de construire des systèmes scalables, d'automatiser les déploiements et d'optimiser les performances des ...

Senior Java Spring Boot Microservices Engineer Hybrid

A leading software development company is seeking a Senior Software Developer for a hybrid role based in Toronto. The successful candidate will have extensive experience with Java, Spring Boot, and RESTful API design, as well as expertise in Azure technologies and containerized microservices. This position requi ...

Senior Full Stack Engineer: Data Pipelines & APIs (Toronto)

A tech firm in Toronto is seeking a Senior Software Developer for a full-time role to design and implement data pipelines and applications. Candidates must have extensive experience in Java, Oracle databases, and full-stack development, including both front-end and back-end technologies. Responsibilities include ...

Senior Salesforce Field Service Lead & Cloud Architect

A renowned IT consulting firm in Calgary is seeking a Mid-Senior Salesforce Developer with over 8 years of IT experience. The ideal candidate will analyze business strategies, act as a subject matter expert for Salesforce, and contribute to the Salesforce Financial Service Cloud. Successful candidates should hav ...

Senior .NET Applications Dev (Remote Contract)

A consulting firm is looking for a Senior Application Developer in Edmonton, Canada for a 12-month full-time contract with the possibility for extension. The candidate will handle responsibilities ranging from application development to liaising with business units for effective solutions. Strong knowledge of .N ...

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