“Core Java” jobs in Canada – Page 30

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• 27d

  QA Engineer SDET

  Toronto, ON

  $59.87–$68.06/hrContract

  

  Randstad Canada

  5+ YOECandidates need 5 to 7 years of QA or software testing experience, including 5+ years of hands-on automation with Java, Selenium and Cucumber. Strong Agile, Jira and ALM skills, plus SQL and API testing, are required.

  Java, Selenium, Cucumber, Jira, Micro Focus ALM Octane, SQL

  27d

  Senior Software Developer

  Toronto, ON

  Contract

  

  Randstad Canada

  10+ YOECandidates need 10+ years of Java and web application development with Oracle or SQL databases, and 5+ years building REST APIs and microservices. Strong knowledge of design patterns, clean code, Azure DevOps, JWT, OAuth2.0 and Agile delivery is required.

  Java, Oracle, SQL, PL/SQL, Azure DevOps, Oracle ADF

  27d

  Senior Software Developer- Front End

  Toronto, ON

  Contract

  

  Randstad Canada

  10+ YOECandidates need 10+ years of JavaScript, HTML5 and CSS3 experience, 5+ years with React, TypeScript and RxJS, and 10+ years with Java and Oracle databases. Experience building AODA and WCAG 2.0 AA compliant web applications is also required.

  React, TypeScript, RxJS, Java, Spring Boot, WebSphere

  27d

  Senior Software Developer - Full Stack

  Toronto, ON

  Contract

  

  Randstad Canada

  10+ YOECandidates need 10+ years of Java and large-scale web application experience, 5+ years with React, TypeScript and Node.js, and practical Azure DevOps and CI/CD skills. Proven WCAG and AODA accessibility experience is also required.

  React, TypeScript, Next.js, Node.js, Java, Oracle

  27d

  Software Developers – Telemetry and Observability Platform

  Kanata, ON

  $55.42–$103.91/hrContract

  

  Randstad Canada

  2+ YOECandidates need a university degree in computer science or a related field, professional software development experience (2+ to 7+ years by level), skill in Java or Python and SQL, and familiarity with REST APIs, Git and cloud services. Full stack and senior levels also need Angular or front-end skills, multi-cloud experience, or observability and data-modeling expertise.

  GitHub, Docker, Kubernetes, Terraform, APIGEE, Google Cloud Platform

  27d

  Junior Systems Analyst/ Developer

  Toronto, ON

  $36.39–$43.10/hrContract

  

  Randstad Canada

  5+ YOECandidates need 5+ years as a systems, business or product analyst and 5+ years with .NET, Java and React. They also need CI/CD experience with Octopus Deploy and Azure DevOps, plus a university degree or equivalent experience.

  Octopus Deploy, Azure DevOps, Jira, Confluence, Power BI, Google Analytics

• 27d

  Développeur de logiciels / Software Developer

  Montréal, QC

  

  Tower Research Capital: Tower Research Capital is a leading quantitative trading firm that has built its business on a high-performance platform and independent trading…

  2+ YOEDe 2 à 5 ans d’expérience en négociation financière ou en technologies; Solide expertise en bases de données SQL; Maîtrise de Python ou de Java

  SQL, Python, Java, UNIX, Bloomberg, Refinitiv

  27d

  Développeur de logiciels chevronné (C++) / Experienced Software Developer (C++)

  Montréal, QC

  

  Tower Research Capital: Tower Research Capital is a leading quantitative trading firm that has built its business on a high-performance platform and independent trading…

  Diplôme dans un domaine technique; Solide expérience en C++, structures de données et algorithmes; Connaissance pratique de Linux

  C++, Linux, Java, Python, Perl, Shell scripts

• 27d

  Manager, Engineering

  Canada

  

  Auvik Networks

  Auvik Networks needs a few years of experience leading engineering teams, plus distributed team scaling, agile practices and production support. Candidates should bring strong product sense, technical architecture judgment and the ability to recruit and retain engineers.

  Network administration, Leadership, Lead a team, Microservices, CI/CD, Change management

• 27d

  Software Engineer, Driver Experience

  Toronto, ON

  L

  Lyft

  3+ YOECandidates need 3 to 5 years of software engineering experience shipping backend features in production. They should know a backend language such as Go, Python or Java, distributed systems concepts, databases, observability tools and cloud infrastructure.

  Git, CI/CD pipelines, AWS, GCP

• 27d

  Software Engineer II, Earnings

  Toronto, ON

  T

  Toast

  Candidates need experience with an object-oriented language such as Java or Kotlin, strong fundamentals, and a precise approach to correctness. Familiarity with event-driven systems, gRPC, Apache Pulsar and DynamoDB is valued.

  Kotlin, gRPC, Apache Pulsar, DynamoDB

  27d

  Senior Software Engineer, Scheduling

  Toronto, ON

  T

  Toast

  5+ YOECandidates need 5+ years of back-end experience in an object-oriented language such as Java or Kotlin, experience running production systems, and a record of delivering scalable solutions to ambiguous problems.

  Scheduling, Point of sale, Object-oriented programming languages, Oracle Java, Kotlin, Sales

  27d

  Senior Software Engineer, Enterprise

  Remote in Canada

  Remote

  T

  Toast

  5+ YOECandidates need 5+ years of experience building backend services and APIs, extensive experience with an object-oriented language such as Java or Kotlin, and experience shipping production services. Strong cross-team communication skills are required.

  Oracle Java, Kotlin, Work as a team, Communication skills, Sales

  27d

  Senior Software Engineer, Backend — Toast International

  Ontario

  Hybrid

  T

  Toast

  5+ YOECandidates need 5+ years building production distributed backend microservices, strong Java or Kotlin skills, and experience with databases and event-driven systems. Payment integration experience and a focus on reliability and collaboration across global time zones are also expected.

  AWS, Kafka, Pulsar, PostgreSQL, DynamoDB, Stripe

  27d

  Principal Software Engineer, International Integrations

  Remote in Canada

  Remote

  T

  Toast

  10+ YOECandidates need 10+ years building scalable, mission-critical distributed systems, ideally AWS-hosted, and a track record of leading complex technical initiatives. Strong interest in agentic development, LLM integration and clear technical communication are expected.

  Java, Kotlin, React, GraphQL, PostgreSQL, DynamoDB

• 27d

  Sr Staff Software Engineer

  Toronto, ON

  

  Kaseya Careers: Kaseya is the leading global provider of AI-powered IT management and cybersecurity software.

  7+ YOECandidates need 7+ years of hands-on Java experience with Spring and Hibernate, strong AWS and microservices experience, and solid SQL and NoSQL database skills. Kaseya Careers also expects CI/CD and monitoring experience, plus an interest in agentic AI and MCP.

  Java, Spring Boot, Docker, AWS ECS, AWS EC2, AWS Lambda

• 27d

  Software Engineering Intern 2027 (Toronto)

  Toronto, ON

  $6k–$7.5k/moInternship

  

  Pinterest

  Candidates need to be enrolled in a Bachelor's program in Computer Science or a related field. They need solid data structures and algorithms knowledge, programming experience in a language such as Python, Java, JavaScript/TypeScript, Go or C++, and demonstrated software-building experience.

  Brainstorm ideas, Software development, Computer science, Python, Oracle Java, JavaScript

• 27d

  Technical Recruiter (6-month Contract)

  Remote in Canada

  $62–$67/hrRemote

  

  Prenuvo: Prenuvo currently operates in 26 clinics across North America, Australia, and Europe.

  6+ YOECandidates need 6 or more years of full-cycle technical recruiting experience, with hands-on work in Greenhouse and LinkedIn Recruiter. They must understand technical stacks well enough to screen engineers credibly, and must be legally authorized to work in Canada without sponsorship.

  Greenhouse, LinkedIn Recruiter, GitHub, Slack, Google Workspace

• 27d

  Software Engineer - Data Platform

  Remote in Canada

  Remote

  

  Samsara: The company's mission is to increase the safety, efficiency, and sustainability of the operations that power the global economy.

  4+ YOECandidates need 4+ years of professional software engineering experience and 4+ years building large-scale data infrastructure or distributed systems. They need strong Apache Spark experience, AWS production experience, and proficiency in Go, Python, Scala, or Java.

  Apache Spark, Databricks, Delta Lake, AWS S3, AWS RDS, AWS DynamoDB

• 27d

  Staff Software Engineer, OIN

  Toronto, ON

  

  Okta

  8+ YOECandidates need 8+ years of professional software development experience with technical leadership, deep Java or a similar strongly-typed backend language, and experience with large distributed cloud systems. They also need real depth in identity protocols such as OAuth 2.0/OIDC, SAML or SCIM, and strong written communication.

  Data models, Software development, Leadership, Oracle Java, AWS, Google Cloud

  27d

  Staff Software Engineer, Data Platform

  Toronto, ON

  

  Okta

  8+ YOECandidates need 8+ years of object-oriented programming experience, preferably Java, and hands-on work with distributed cloud data systems. Strong distributed systems, reliability and data quality skills are also required.

  Kinesis, Kafka, Flink, Spark, Beam, Snowflake

  27d

  Staff FullStack Engineer, Secures AI

  Toronto, ON

  

  Okta

  Candidates need deep experience building secure, enterprise-grade distributed backend systems in Java or another type-safe language, plus JavaScript/TypeScript skills and strong AWS cloud architecture knowledge. Solid understanding of web authentication and authorization is required.

  AWS

  27d

  Senior Software Reliability Engineer - Data Platform

  Toronto, ON

  

  Okta

  3+ YOECandidates need 3+ years of industry experience and 2+ years in an object-oriented language, preferably Java. Experience with distributed data technologies such as Kinesis, Kafka, Flink, Spark, Snowflake, Databricks or Hadoop, and reliability engineering, is required.

  Kinesis, Kafka, Flink, ElasticSearch, Snowflake, Kubernetes

  27d

  Globalization Software Engineer

  Toronto, ON

  

  Okta

  6+ YOECandidates need 6 to 8 years of software or globalization engineering experience, expert Python and API skills, and hands-on work with translation management systems and LLM or machine translation APIs. They must work independently, without a technical manager.

  Smartling, XTM, Adobe Experience Manager, GitHub Actions, GitLab CI, Jenkins

10 companies