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Junior Java Developer Jobs in Hamilton, ON (NOW HIRING)

Junior Pentester (Remote)

Ottawa, ON · Remote

CA$70K - CA$95K/yr

... developers write secure code. You will be a part of the local and global security community and ... Demonstrated software development background in one or more of Python, .NET, Ruby, Java ...

Senior Software Developer

Ottawa, ON · Remote

CA$10K - CA$135K/yr

Lead, manage and mentor a team of intermediate and junior software developers. * Support quarterly ... Applied knowledge and experience with Java, C++, C, JavaScript, TypeScript, and Python. * Applied ...

Mentor junior software developers * Author software source code: * Contribute to software ... Applied knowledge and experience with Java, C++, C, Typescript, and Python. * Applied knowledge and ...

You will need to work closely with more junior team members to provide guidance, as well as Leads ... C#, Java, Python) and expert knowledge with optimizing databases (e.g. MySQL, SQL Server, Postgres)

Senior Developer

Brampton, ON

CA$100K - CA$132K/yr

Mentor junior developers on best practices for platform development and effective use of platform ... Minimum 7 years of software engineering experience * 5+ years' experience with Java & Spring Boot ...

On-site in Kanata, ON Your Day to Day as a Junior Glassblower: * Fabricates glass equipment for use in Development, Quality Control, Isotope Production and other users and customers. * Operates and ...

New

On-site in Kanata, ON Your Day to Day as a Junior Glassblower: * Fabricates glass equipment for use in Development, Quality Control, Isotope Production and other users and customers. * Operates and ...

New

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Junior Java Developer information

See Hamilton, ON salary details

$41.3K

$75.5K

$110.8K

How much do junior java developer jobs pay per year?

As of May 29, 2026, the average yearly pay for junior java developer in Hamilton, ON is $75,496.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,249.00 and $86,526.00 per year, depending on experience, location, and employer.

What Does a Junior Java Developer Do?

Junior Java developers are entry-level programmers who are part of a team of coders and developers. They work on both front-end and back-end codes to build an application. Being a junior Java developer requires extensive knowledge of coding and the program language JavaScript to develop and troubleshoot products. As a junior Java developer, you run tests to pinpoint errors, migrate code and data, and ensure the program is integrated with other company developments.

What are the key skills and qualifications needed to thrive as a Junior Java Developer, and why are they important?

A Junior Java Developer should have a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by a relevant degree or coding bootcamp. Familiarity with tools such as IntelliJ IDEA or Eclipse, version control systems like Git, and frameworks like Spring Boot is typically expected. Strong problem-solving abilities, attention to detail, and effective teamwork are important soft skills in this role. These competencies enable efficient code development, smooth collaboration, and the ability to quickly adapt to new technologies and project requirements.

What are some common challenges a Junior Java Developer might face during their first year, and how can they overcome them?

Junior Java Developers often encounter challenges such as understanding large codebases, adapting to agile development processes, and managing task priorities. To overcome these hurdles, it’s helpful to proactively seek mentorship from senior developers, regularly review documentation, and participate in code reviews. Effective communication with team members also accelerates learning and helps clarify requirements or technical uncertainties. Embracing continuous learning through online resources and hands-on projects will further strengthen your skills and confidence.

What are Junior Java Developers?

Junior Java Developers are entry-level software engineers who specialize in building and maintaining applications using the Java programming language. They typically work under the supervision of more experienced developers and are responsible for writing code, debugging, and participating in code reviews. Their tasks may also include testing software, learning new frameworks, and assisting with the design and implementation of features. Junior Java Developers usually have foundational knowledge of Java and related technologies, and they are eager to develop their skills through hands-on experience.

Will AI replace Java devs?

AI is unlikely to fully replace Java developers, as their role involves complex problem-solving, system design, and understanding business needs that AI cannot fully replicate. Instead, AI tools can assist Java developers by automating repetitive tasks and improving productivity, making their skills more valuable. Continuous learning and adapting to new technologies remain important for Java developers to stay relevant in the evolving tech landscape.

What is the difference between Junior Java Developer vs Java Developer?

AspectJunior Java DeveloperJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentSupportive, learning-focused teamsProject-driven, independent roles
ResponsibilitiesAssist in coding, bug fixing, learning frameworksDesign, develop, maintain Java applications

The main difference between a Junior Java Developer and a Java Developer lies in experience, responsibilities, and independence. Junior Java Developers are typically entry-level, focusing on learning and supporting tasks, while Java Developers have more experience and handle complex development projects independently.

What are the most commonly searched types of Java Developer jobs in Hamilton, ON? The most popular types of Java Developer jobs in Hamilton, ON are:
What cities near Hamilton, ON are hiring for Junior Java Developer jobs? Cities near Hamilton, ON with the most Junior Java Developer job openings:
Infographic showing various Junior Java Developer job openings in Hamilton, ON as of May 2026, with employment types broken down into 1% Internship, 84% Full Time, 11% Part Time, 1% Temporary, and 3% Contract. Highlights an 75% Physical, 11% Hybrid, and 14% Remote job distribution, with an average salary of $75,496 per year, or $36.3 per hour.
Sr. Java/React Full Stack Developer (Onsite Hybrid)

Sr. Java/React Full Stack Developer (Onsite Hybrid)

NTT DATA Services

Mississauga, ON • On-site, Remote

Full-time

Posted 11 days ago


NTT Data rating

7.3

Company rating: 7.3 out of 10

Based on 89 frontline employees who took The Breakroom Quiz

104th of 203 rated it services


Job description

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Sr. Java/React Full Stack Developer (Onsite Hybrid) to join our team in Mississauga, Ontario (CA-ON), Canada (CA).

Job Responsibilities:

  • Design, develop, and operate end-to-end full-stack applications including front-end user interfaces, back-end services, and supporting infrastructure.
  • Own the complete software development lifecycle including system design, development, testing, deployment, monitoring, and production support.
  • Build and operate applications using modern GitOps-driven SDLC practices to ensure reliable and repeatable deployments.
  • Develop scalable, highly performant, and resilient distributed systems with strong focus on reliability and operational efficiency.
  • Participate in production operations including monitoring, incident resolution, root cause analysis, and system optimization following “you build it, you run it” principles.
  • Collaborate with product managers, business stakeholders, and cross-functional teams to translate functional requirements into robust technical solutions.
  • Develop responsive and component-based user interfaces using modern front-end technologies and frameworks.
  • Design and implement secure and scalable APIs and backend services using REST/JSON standards.
    Ensure backward compatibility, version control, and maintainability in API design and service development.
  • Solid in DevOps with hands on knowledge in CI/CD pipelines, Jenkins and related toolset
  • Work with Kubernetes-based environments to deploy, scale, and manage containerized applications.
  • Develop automated workflows and scripts to streamline repeatable development, deployment, and operational tasks.
  • Conduct testing including UI testing, component testing, and integration testing to ensure application stability and performance.

Basic Qualifications:

  • 8+ years of experience working in Kubernetes-based containerized environments including deployment, scaling, and operational management.
  • 8+ years of experience in software development, with strong focus on full-stack application development.
  • 8+ years of experience with Java-based backend development.
  • 8+ years of experience developing modern front-end applications using React or similar frameworks.
  • 8+ years of experience building scalable APIs and backend services using REST/JSON architectures.
  • 8+ years of experience implementing CI/CD pipelines, GitOps , DevOps tooling, at least hyperscaler, and automated deployment processes with infra as code (IaC) understanding
  • 8+ years of experience building and supporting production-grade systems with high availability and operational reliability.
  • 8+ years of experience working in automation frameworks for workflow orchestration and operational efficiency.

Preferred Sklls:

  • Machine learning and deep learning/ LLM knowledge

Degree

  • Bachelor’s degree in Computer Science, Information Technology, Engineering, or equivalent work experience.

#INDFSINS

#L1-NorthAmerica

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us.

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.


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About NTT DATA

Sourced by ZipRecruiter

NTT DATA Services is a global business and IT services provider specializing in digital, cloud and automation across a comprehensive portfolio of consulting, applications, infrastructure and business process services. We are part of the NTT family of companies, a partner to 85 % of the Fortune 100.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Plano, TX, US

Year founded

1967