177,219+ Core Java Developer Jobs in Canada — Top Companies Hiring June 2026

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Senior C#/.Net

We are seeking a Senior C# / .NET Developer to join a high-performing engineering team delivering complex, data-intensive software solutions. The role requires deep expertise in modern .NET development and a proven track record of building resilient distributed systems that operate at scale. This is a hand ...

Senior C#/.Net

We are seeking a Senior C# / .NET Developer to join a high-performing engineering team delivering complex, data-intensive software solutions. The role requires deep expertise in modern .NET development and a proven track record of building resilient distributed systems that operate at scale. This is a hand ...

Java CMS Engineer: Spring Boot & API Focus

A technology services provider is looking for a Mid-Senior level Java Developer in Toronto, Ontario. The role involves designing, developing, and maintaining Java-based backend services, along with integrating various CMS platforms like Adobe AEM and Sitecore. Candidates should have strong skills in database opt ...

Remote Senior Java Engineer — Shopify Integrations & APIs

A leading digital product studio is seeking a Senior Java Developer to work on backend integrations for major commerce brands. This remote position involves designing and maintaining backend services, working with APIs like GraphQL and REST, and collaborating with cross-functional teams. Ideal candidates have ex ...

Senior C++/Java Lead Engineer Architecture & Mentorship

A leading software development company is seeking a Senior C++ / Java Developer to provide technical and architectural leadership to an Agile team supporting a major online poker platform. The ideal candidate will have over 8 years of programming experience in Java and C++, along with AWS and SQL knowledge. This ...

Full Stack Java Engineer: Build Scalable APIs

A dynamic technology firm in Montreal is seeking a Full Stack Java Developer to design, develop, and maintain robust web applications. The ideal candidate will have a Bachelor's degree in Computer Science and proven experience with Java and related technologies. You will collaborate with cross-functional teams t ...

Senior Java Microservices Engineer Hybrid Mississauga

A technology services provider is seeking a Senior Java Developer in Mississauga, ON, with hybrid work arrangements. The ideal candidate should possess strong experience in Java, Spring Boot, and Microservice architecture, alongside skills in no-SQL databases and Test Driven Development. Responsibilities include ...

Java CMS Engineer: Spring Boot & API Focus

A technology services provider is looking for a Mid-Senior level Java Developer in Toronto, Ontario. The role involves designing, developing, and maintaining Java-based backend services, along with integrating various CMS platforms like Adobe AEM and Sitecore. Candidates should have strong skills in database opt ...

Java Big Data Engineer Spark, Hadoop & Microservices

A global consulting firm is seeking a highly skilled Big Data Developer - JAVA to join their team in Toronto. The ideal candidate will have over 5 years of Java experience and expertise in Spring Boot, microservices, and database management. The role involves participating in technical design discussions and del ...

Senior Java Lead: Fault Tree Analysis App

A technology firm in Ontario is seeking a Lead Java Application Developer to spearhead the development of a Fault Tree Analysis application. Candidates should have over ten years of software development experience, including at least seven years of hands-on Java and C/C++ development on Windows and UNIX platform ...

Senior Java Lead: Fault Tree Analysis App

A technology firm in Ontario is seeking a Lead Java Application Developer to spearhead the development of a Fault Tree Analysis application. Candidates should have over ten years of software development experience, including at least seven years of hands-on Java and C/C++ development on Windows and UNIX platform ...

Senior C++/Java Lead Engineer Architecture & Mentorship

A leading software development company is seeking a Senior C++ / Java Developer to provide technical and architectural leadership to an Agile team supporting a major online poker platform. The ideal candidate will have over 8 years of programming experience in Java and C++, along with AWS and SQL knowledge. This ...

Full Stack Java Engineer: Build Scalable APIs

A dynamic technology firm in Montreal is seeking a Full Stack Java Developer to design, develop, and maintain robust web applications. The ideal candidate will have a Bachelor's degree in Computer Science and proven experience with Java and related technologies. You will collaborate with cross-functional teams t ...

Java CMS Engineer: Spring Boot & API Focus

A technology services provider is looking for a Mid-Senior level Java Developer in Toronto, Ontario. The role involves designing, developing, and maintaining Java-based backend services, along with integrating various CMS platforms like Adobe AEM and Sitecore. Candidates should have strong skills in database opt ...

Senior Java Microservices Engineer Hybrid Mississauga

A technology services provider is seeking a Senior Java Developer in Mississauga, ON, with hybrid work arrangements. The ideal candidate should possess strong experience in Java, Spring Boot, and Microservice architecture, alongside skills in no-SQL databases and Test Driven Development. Responsibilities include ...

Remote Senior Java Engineer — Shopify Integrations & APIs

A leading digital product studio is seeking a Senior Java Developer to work on backend integrations for major commerce brands. This remote position involves designing and maintaining backend services, working with APIs like GraphQL and REST, and collaborating with cross-functional teams. Ideal candidates have ex ...

Java Big Data Engineer Spark, Hadoop & Microservices

A global consulting firm is seeking a highly skilled Big Data Developer - JAVA to join their team in Toronto. The ideal candidate will have over 5 years of Java experience and expertise in Spring Boot, microservices, and database management. The role involves participating in technical design discussions and del ...

Java Big Data Engineer Spark, Hadoop & Microservices

A global consulting firm is seeking a highly skilled Big Data Developer - JAVA to join their team in Toronto. The ideal candidate will have over 5 years of Java experience and expertise in Spring Boot, microservices, and database management. The role involves participating in technical design discussions and del ...

Senior C++/Java Lead Engineer Architecture & Mentorship

A leading software development company is seeking a Senior C++ / Java Developer to provide technical and architectural leadership to an Agile team supporting a major online poker platform. The ideal candidate will have over 8 years of programming experience in Java and C++, along with AWS and SQL knowledge. This ...

Senior Java Microservices Engineer Hybrid Mississauga

A technology services provider is seeking a Senior Java Developer in Mississauga, ON, with hybrid work arrangements. The ideal candidate should possess strong experience in Java, Spring Boot, and Microservice architecture, alongside skills in no-SQL databases and Test Driven Development. Responsibilities include ...

Lead Senior Backend Developer at Citi

Impacts application systems at Citi as a Lead Senior Backend Developer. This position calls for an expert who can navigate through programming and system enhancements in a leadership role.As a Senior Backend Developer and Vice President, you will manage integration across management teams to implement essent ...

Cloud Backend Developer Role

Pursue a fulfilling career as a Cloud Backend Developer with Halliburton, focusing on Kubernetes and hybrid deployments. Drive backend solutions while developing your skills in a collaborative environment.Halliburton seeks an enthusiastic Backend Developer to work with international teams and contribut ...

Senior Web Solutions Developer at Google

Drive innovation as a Senior Web Solutions Developer with Google Cloud, leveraging your full-stack software development expertise. Communicate effectively to manage client relationships in a dynamic cloud environment.Google Cloud is seeking an experienced full-stack developer proficient in Java, Python, GoLa ...

Full Stack Developer Needed in Ontario

Immediate opening for a Full Stack Developer with Pyramid Consulting in Toronto, ON, on a hybrid 12+ month contract. This role demands your skills in Java, Spring Boot, and web technologies.As a Full Stack Developer, you will deliver high-quality applications across the Digital Self-Service IAM space. Focus ...

Full Stack Developer Needed in Ontario

Immediate opening for a Full Stack Developer with Pyramid Consulting in Toronto, ON, on a hybrid 12+ month contract. This role demands your skills in Java, Spring Boot, and web technologies.As a Full Stack Developer, you will deliver high-quality applications across the Digital Self-Service IAM space. Focus ...

Senior Web Solutions Developer at Google

Drive innovation as a Senior Web Solutions Developer with Google Cloud, leveraging your full-stack software development expertise. Communicate effectively to manage client relationships in a dynamic cloud environment.Google Cloud is seeking an experienced full-stack developer proficient in Java, Python, GoLa ...

Full Stack Developer with AI/ML Exposure

Elevate your career as a Full Stack Developer in Toronto, specializing in Java, Spring Boot, and API development. This role is 100% onsite and ideal for experienced professionals.We are seeking a Full Stack Developer boasting a minimum of eight years of comprehensive experience in full-stack technology stack ...

Cloud Backend Developer Role

Pursue a fulfilling career as a Cloud Backend Developer with Halliburton, focusing on Kubernetes and hybrid deployments. Drive backend solutions while developing your skills in a collaborative environment.Halliburton seeks an enthusiastic Backend Developer to work with international teams and contribute inno ...

Quantiphi Senior Python Software Engineer

Step into a role of a Senior Software Developer at Quantiphi, focusing on building intelligent applications in Atlantic Canada. Bring your extensive Python experience and LLM framework expertise to the forefront.The position offers an opportunity to work on innovative AI-powered services and collaborat ...

Software Developer for Enterprise AI

Join Solace as a Software Developer for Enterprise AI, where you will craft innovative cloud-native applications. Your skills will be essential in delivering transformational enterprise solutions.This role focuses on full-stack development, where you'll be responsible for leveraging technologies such a ...

Tata Consultancy Big Data Developer Role

Explore the Big Data Developer opening at Tata Consultancy Services in Toronto, ON. This position focuses on developing data pipelines and improving data processing capabilities.As a developer in this role, you will be instrumental in designing and implementing efficient ETL processes and data models. Your e ...

Microservices Backend Developer for Banking Systems

Advance your career as a Microservices Backend Developer in the banking sector, hybrid based in Downtown Toronto. Focus on Java, SQL, and efficient implementation of technical solutions.In this 4-month contract with a top-tier Canadian bank, you will become an integral part of a specialist team, working clos ...

Senior Software Developer for Web Applications

Be part of the transformative work at the Ministry of Public and Business Service Delivery and Procurement as a Senior Software Developer focused on full stack solutions. This hybrid role enables you to work on-site and remotely, driving innovation in data pipeline design.This position, lasting 9 month ...

St. Johns Software Development Role

Clear Risk is seeking a Software Developer in St. Johns, NL, dedicated to creating effective risk management software. Collaborate with a team that values curiosity and innovation.In this role, you will design, implement, and test new software solutions that empower organizations to reduce risk. Your strong ...

Lead Full Stack Developer AI Accelerated

Elevate your career at UST as a Senior Full Stack Developer focused on backend development. This hybrid Toronto role aims to create scalable systems using Java and Node.UST seeks an innovative Senior Full Stack Developer to architect and enhance cloud-native solutions while operating in high-frequency CI/CD ...

Lead Full Stack Developer AI Accelerated

Elevate your career at UST as a Senior Full Stack Developer focused on backend development. This hybrid Toronto role aims to create scalable systems using Java and Node.UST seeks an innovative Senior Full Stack Developer to architect and enhance cloud-native solutions while operating in high-frequency CI/CD ...

Lead Full Stack Developer AI Accelerated

Elevate your career at UST as a Senior Full Stack Developer focused on backend development. This hybrid Toronto role aims to create scalable systems using Java and Node.UST seeks an innovative Senior Full Stack Developer to architect and enhance cloud-native solutions while operating in high-frequency CI/CD ...

Mobile Application Developer: Android Focus

Seeking a skilled Android Developer to design and maintain innovative mobile applications. Join our collaborative team to produce high-quality solutions that shine in the market.This Android-focused role requires a dedicated developer to build advanced applications and work hand-in-hand with product managers ...

Android Developer at Infosys Toronto

Elevate your career as an Android Developer with Infosys in Toronto, Ontario. Engage in the full Software Development Life Cycle, working with Kotlin, Java, and hybrid technologies like Flutter.Infosys is looking for a skilled Android Developer to interface with stakeholders and enhance application design an ...

MuleSoft Full Stack Developer Position Available

Enhance your career as a MuleSoft Full Stack Developer with a focus on API integrations. This role offers a flexible hybrid schedule of 3 office days and 2 remote.This 6-month contract seeks a skilled developer who can manage and design effective integration solutions using MuleSoft Anypoint Platform a ...

Quantiphi Senior Python Software Engineer

Step into a role of a Senior Software Developer at Quantiphi, focusing on building intelligent applications in Atlantic Canada. Bring your extensive Python experience and LLM framework expertise to the forefront.The position offers an opportunity to work on innovative AI-powered services and collaborate with ...

Cloud Senior Developer at RBC Toronto

Elevate your career with RBC as a Cloud Senior Developer in Toronto. Utilize your Java, Microservices, and Agile skills to craft impactful software solutions.As a Senior Developer in this cloud-focused role, you will collaborate within an Agile environment to produce high-quality applications. Your expertise ...

Full Stack Developer at Innovative Startup

Join our innovative startup as a Full Stack Developer focusing on blockchain technologies. This role provides an opportunity to learn Smart Contract development while creating impactful solutions.As a key team member with over five years of software design experience, you'll work on custom blockchain applica ...

UiPath RPA Developer Position in Toronto

Join our dynamic team as a UiPath RPA Developer, working within the banking sector in Toronto, Canada. This role is hybrid, requiring 2 days a week in the client office, focusing on automation development.Our client is looking for 2–3 skilled RPA Developers to fulfill a 6-month contract. Ideal candidat ...

Senior Software Developer in Toronto

Join a premier financial institution as a Senior Software Developer IV in Toronto, Ontario. This hybrid role focuses on enhancing and building REST APIs while integrating with internal and external systems.Our client, a recognized leader in financial services with broad North American operations, seeks ...

Software Developer at IXL Learning (Winnipeg)

OverviewJoin IXL Learning as a Software Developer in Toronto, ON, focusing on education technology and integrations. Contribute to tools that enhance the learning experience for numerous school districts. As a new graduate in this full‑time software developer role, you will create integrations that sim ...

Lead Senior Backend Developer at Citi

Impacts application systems at Citi as a Lead Senior Backend Developer. This position calls for an expert who can navigate through programming and system enhancements in a leadership role.As a Senior Backend Developer and Vice President, you will manage integration across management teams to implement essent ...

UiPath RPA Developer Position in Toronto

Join our dynamic team as a UiPath RPA Developer, working within the banking sector in Toronto, Canada. This role is hybrid, requiring 2 days a week in the client office, focusing on automation development.Our client is looking for 2–3 skilled RPA Developers to fulfill a 6-month contract. Ideal candidates hav ...

MuleSoft Full Stack Developer Position Available

Enhance your career as a MuleSoft Full Stack Developer with a focus on API integrations. This role offers a flexible hybrid schedule of 3 office days and 2 remote.This 6-month contract seeks a skilled developer who can manage and design effective integration solutions using MuleSoft Anypoint Platform and Clo ...

Back End Developer lévis (Levis)

OverviewWe are looking to recruit a highly skilled and experienced Backend developer with experience in Kubernetes to work with global development teams from Europe, Canada, and the U.S. You will be involved in designing, developing, deploying, and managing scalable and resilient backend services withi ...

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