1

Senior Java Developer Jobs in Aurora, ON (NOW HIRING)

Java Developer (Java + PySpark)

Mississauga, ON · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... and programming languages such as Java, Spark and Python. Extensive development expertise in ... Strong leadership Ability to persuade and influence senior leaders through excellent data driven ...

Senior IT Developer

Toronto, ON · On-site +1

CA$102K - CA$125K/yr

We are seeking a Senior Java Developer to design, build, and operate scalable, event-driven, cloud-native applications using Apache Kafka, Spring Boot, and Microsoft Azure. The ideal candidate ...

Java Full-stack Developer

Mississauga, ON

CA$86K - CA$127K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

* The Senior Engineer in Production Management will be responsible for the development and overall ... The candidate must have Java backend development experience with Core Java Java EE Springboot ...

Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

* The Senior Engineer in Production Management will be responsible for the development and overall ... The candidate must have Java backend development experience with Core Java Java EE Springboot ...

Oracle Certified Java Developer certification will be an asset. * Technical Knowledge of event driven architecture (Kafka, Kafka connectors, Kafka brokers) * 3-5 years of working experience in the ...

Senior Back End Engineer Java/OLAP

Etobicoke, ON · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As a Senior Back-End Engineer specializing in Java and OLAP, you will own the Java side of that engine -- designing, optimizing, and scaling the cube capabilities that our customers depend on every ...

Java Backend Developer

Etobicoke, ON · Hybrid

CA$100K - CA$135K/yr

As a Java Back-End Developer at Localcoin, you will be responsible for developing and maintaining functional and stable back end applications for our company, ensuring system consistency and ...

Showing results 21-40

Senior Java Developer information

What is a senior Java developer?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.

What are the key skills and qualifications needed to thrive as a senior Java developer?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are some common challenges senior Java developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

What is the difference between Senior Java Developer vs Java Software Engineer?

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are popular job titles related to Senior Java Developer jobs in Aurora, ON?

For Senior Java Developer jobs in Aurora, ON, the most frequently searched job titles are:

What job categories do people searching Senior Java Developer jobs in Aurora, ON look for?

The top searched job categories for Senior Java Developer jobs in Aurora, ON are:

What cities near Aurora, ON are hiring for Senior Java Developer jobs?

Cities near Aurora, ON with the most Senior Java Developer job openings:

Infographic showing various Senior Java Developer job openings in Aurora, ON as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Java Developer (Java + PySpark)

United Airlines

Mississauga, ON • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago


United Airlines rating

7.9

Company rating: 7.9 out of 10

Based on 342 frontline employees who took The Breakroom Quiz

7th of 26 rated airlines


Job description

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired bya collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizationsunlock the value of technology and build a more sustainable, more inclusive world.

Job Description

Responsibilities:
Utilize in-depth knowledge and skills across multiple Applications Development areas to provide technical oversight across systems and applicationsReview and analyze proposed technical solutions for projects
Contribute to formulation of strategies for applications development and other functional areas
Develop comprehensive knowledge of how areas of business integrate to accomplish business goals
Provide evaluative judgment based on analysis of factual data in complicated and unique situations
Impact the Applications Development area through monitoring delivery of end results
Ensure essential procedures are followed and contribute to defining standards negotiating with external parties when necessary
Qualifications:
8-12 years of relevant experience in the Financial Service industry
Experience as senior level in an Applications Development role
Stakeholder and people management experience
Basic knowledge of industry practices and standards
Consistently demonstrates clear and concise written and verbal communication
Solid understanding of object-oriented programming and design pattern.
Requirements:
Exhibit sound understanding of theories and practices in architecture in multiple related areas.
Demonstrated knowledge in the areas of Big Data, Grid Computing, Data Warehousing, Cloud Computing, and programming languages such as Java, Spark and Python.
Extensive development expertise in building the high scaled and performant software platforms for data computation and processing.
Expert level knowledge of core Java concepts and framework such as Spring Boot, Microservices and well versed with OOPs concepts and design patterns.
Hands-on experience with Apache Spark (with Java)
Experience with caching solutions like Pinot, Redis etc.
Strong knowledge of Oracle DB, including schema design and query optimization.
Deep knowledge of how technology integrates within the organization and of direct competitors' products and services.
Strong leadership
Ability to persuade and influence senior leaders through excellent data driven communication and diplomacy skills.
Finance domain knowledge is plus."

The base compensation range for this role in the posted location is: 80,000 - 90,000

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include: 

  • Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
  • Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
  • Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
  • Life and disability insurance
  • Employee assistance programs
  • Other benefits as provided by local policy and eligibility

Important Notice: Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini's discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.

Disclaimers

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect.  We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant in the United States.  http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.


What United Airlines employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


United Airlines logo

About United Airlines

Sourced by ZipRecruiter

United Airlines is embarking on an exciting journey to become the best airline in aviation history. Our purpose, "Connecting People, Uniting the World," extends beyond transportation, emphasizing our commitment to uplift and create opportunities in the places we serve. With a global presence and diverse workforce, we value inclusivity and are dedicated to hiring tens of thousands of individuals across various roles. Our comprehensive benefits package, including perks like space available travel, parental leave, and 401k, aims to support your well-being and growth.

Industry

Aviation

Company size

10,000+ Employees

Headquarters location

Chicago, IL, US

Year founded

1926

Social media