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

FCT

Junior Title Officer

Oakville, ON

As a Junior Title Officer, HERE'S HOW YOU'LL CONTRIBUTE: * Prepare/review documents as required, including search of title; consistently applying -Underwriting Guidelines, as applicable, to all files.

Vital Images

Software Engineer

Waterloo, ON · Hybrid

CA$82K - CA$124K/yr

Java * C++ * JavaScript/TypeScript * MS SQL * Bash * Python * Powershell * Ansible * Jenkins * CI ... Bachelor's degree in Computer Science, Engineering or related or equivalent work experience * 3+ ...

Manulife

Full Stack Developer

Waterloo, ON · Hybrid

CA$86K - CA$136K/yr

Unlike traditional Java-focused Full Stack roles, this position focuses on Python, Azure platform ... Collaborate with front-end developers to integrate services with ReactJS applications. * Partner ...

New

Faire

Staff Engineer - Growth Platform

Kitchener, ON · On-site

CA$190K - CA$262K/yr

... strong developer experience * Have strong experience in either: * Backend development (e.g., Kotlin, Java, C#, APIs, databases, distributed systems), or * Frontend development (e.g., React ...

FCT

Lead, Fullstack Developer

Oakville, ON · On-site

Mentor junior and intermediate developers, fostering a culture of continuous learning and innovation. HERE'S WHAT YOU'LL BRING: * Diploma or Degree in Software Development, Computer Science, Computer ...

Manulife

Software Engineer(s), Manulife Bank

Waterloo, ON · On-site

CA$86K - CA$136K/yr

Join our Manulife Bank Technology Team! We're looking for a Software Engineer with strong Java and cloud experience to help design, build, and support scalable business applications. In this role ...

Providius

Software Engineer

Hamilton, ON · On-site

Java (Spring Boot), Python, Some components in C and C++ * Frontend: TypeScript, Angular * Data ... Strong fundamentals in computer science and software engineering * Ability to take ambiguous ...

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All JobsJava Developer JobsJunior Java Developer JobsJunior Java Developer Jobs in Cambridge, ON

Junior Java Developer information

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.

Is Java still useful in 2026?

Java remains a widely used programming language for developing enterprise applications, Android apps, and backend systems in 2026. Junior Java Developers can benefit from its stability, extensive libraries, and strong community support, making it a valuable skill in the software industry. Knowledge of frameworks like Spring and tools such as Maven or Gradle enhances job prospects.

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.

Can I learn Java in 3 months?

Junior Java developers can acquire foundational skills in Java within three months with consistent study, practice, and hands-on projects. However, mastering advanced concepts, frameworks, and real-world application typically requires longer experience and ongoing learning.

Which pays more, C++ or Java?

For a Junior Java Developer, salaries for C++ and Java roles can vary based on industry, location, and experience, but generally, C++ positions tend to offer higher starting salaries due to its use in high-performance applications like gaming and finance. However, Java remains widely used in enterprise environments with competitive pay. Both skills are valuable, and salary differences may depend on specific job requirements and demand in the job market.

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 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 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.

Will AI replace Java devs?

AI is unlikely to fully replace Java developers, as they require problem-solving, design, and understanding of complex systems that AI cannot fully replicate. Instead, AI tools can assist Java developers by automating repetitive tasks and improving productivity, making their roles more efficient. Continuous learning and adapting to new technologies remain important for Java developers to stay relevant in the evolving tech landscape.
More about Junior Java Developer jobs
What cities near Cambridge, ON are hiring for Junior Java Developer jobs? Cities near Cambridge, ON with the most Junior Java Developer job openings:
Junior Java Developer jobs near you
Senior Software Engineer - Open Data Platform (ODP)

Senior Software Engineer - Open Data Platform (ODP)

Acceldata

Kitchener, ON • On-site, Remote

CA$100K - CA$140K/yr

Full-time

Medical, Dental, Vision, PTO

Re-posted 19 days ago

Job description

ABOUT US
Acceldata is the market leader in Enterprise Data Observability. Founded in 2018 and backed by top investors including Insight Partners, March Capital, Lightspeed, Sorenson Ventures, Industry Ventures, and Emergent Ventures, we are a Series-C funded company headquartered in Silicon Valley.
 
Our Enterprise Data Observability Platform-the first of its kind-helps enterprises build and operate world-class data products by ensuring data is reliable, trusted, and ready to power today's most critical technologies, including AI, LLMs, Analytics, and DataOps.
 
Delivered as a SaaS solution, Acceldata is trusted by leading global organizations such as HPE, HSBC, Visa, Freddie Mac, Manulife, Workday, Oracle, PubMatic, PhonePe (Walmart), Hershey's, Dun & Bradstreet, and many more.

ABOUT THE ROLE
We are seeking a Senior Software Engineer with at least 7 years of experience in distributed systems or data platform development. In this role, you will design, build, and scale components of the Acceldata Open Data Platform (ODP), contributing to open-source technologies and solving real-world challenges in large-scale data infrastructure.
 
The Acceldata Open Data Platform (ODP) brings together the best of the modern data ecosystem, including technologies such as Hadoop, Spark, Hive, Trino, Kafka, NiFi, MLFlow, Pinot, and more, to help organizations run complex analytical workloads at scale while maintaining flexibility and avoiding vendor lock-in.
 
Product Link: https://www.acceldata.io/open-data-platform
WHY JOIN US
At Acceldata, you won't just be writing code; you'll be shaping the foundation of modern data platforms used by some of the world's largest enterprises. You'll work alongside seasoned engineers and open-source contributors who are passionate about solving complex distributed systems challenges at scale. Every project you take on will directly impact how a data platform is managed, observed, and optimized across hybrid and cloud ecosystems.
 
This is your chance to build technology that truly matters, software that drives mission-critical pipelines, scales to petabytes, and influences the open-source community at large. We move fast, value creativity, and reward innovation. If you're looking for a place where your ideas can become real systems and your work can be seen, used, and respected across the data ecosystem - Acceldata is where you belong.
RESPONSIBILITIES
  • Lead the design, development, and implementation of complex features for the Open Source Data Platform.
  • Architect scalable and robust solutions, ensuring high performance and reliability.
  • Mentor and guide junior software engineers, fostering a culture of continuous learning and growth.
  • Drive technical discussions and provide expertise in technology selection and best practices.
  • Contribute to the strategic direction of the Open Source Data Platform project.
  • Perform thorough code reviews, ensuring code quality, maintainability, and adherence to standards.
  • Work across diverse environments: Bare Metals, VM, and Kubernetes.
REQUIREMENTS
  • Mandatory Linux proficiency for automation and efficient use of Linux shortcuts for troubleshooting.
  • Familiarity with Kubernetes, Docker, and cloud environments.
  • Ability to manage threads and debug issues related to deadlocks or memory leaks.
  • Strong comprehension of garbage collection tuning and management challenges.
  • Extensive hands-on experience with advanced Java, Scala, or Python, developed and prepared project build models associated with Maven, Gradle, or SBT.
  • Experienced in Github & Nexus management and its use cases.
  • Profound understanding of software engineering, database concepts, virtualisation and architectural patterns.
  • Comprehensive knowledge and a history of significant contributions to past projects.
  • Past experience of mentoring junior engineers in handling critical issues or tasks.
  • Proven capability in fixing bugs and developing new features within complex software systems.
  • Experience working with Big data stack or its ecosystem components, utilizing appropriate frameworks for application development.
  • Demonstrated fluency in English communication.
  • Ability to communicate effectively with senior leadership, presenting technical accomplishments and strategic insights.
  • Strong capacity for collaboration with internal teams, external contributors, and the broader open-source community.
PREFERRED SKILLS
  • Demonstrated history of contributions or a committer role in Apache projects (e.g., bug fixes, feature development, documentation).
  • Proficiency in identifying performance bottlenecks within big data applications and frameworks.
  • Experience with the migration of applications, Hadoop-based distributions, or data streaming platforms.
  • Familiarity with distributed systems and architectural patterns optimised for scalable data processing.
$100,000 - $140,000 a year
The hiring pay range provides a guide for what we would reasonably pay for the position. Pay is determined by various factors including market demand, applicable skills, work experience and education, location, company budget, and in-demand skill sets.
At Acceldata, we are committed to providing equal employment opportunities regardless of job history, disability, gender identity, religion, race, color, caste, marital/parental status, veteran status, or any other special status. We stand against the discrimination of employees and individuals and are proud to be an equitable workplace that welcomes individuals from all walks of life if they fit the designated roles and responsibilities.
 
#LifeAtAcceldata is all about working with some of the best minds in the industry and experiencing a culture that values an 'out-of-the-box' mindset. If you want to push boundaries, learn continuously, and grow to be the best version of yourself, Acceldata is the place to be! 
 
We also believe in providing our employees with the right tools and resources to help them excel at their jobs. We offer:
- PTO Plan with unlimited negative balance
- RRSP Plan
- Up to 100% employer-paid benefit options for health, dental, and vision coverage
- Supplemental Benefits
- Apple Air Mac Equipment
- Office gym access (includes workout equipment, basketball court, and showers)
- Becoming part of the team that coined the term "Data Observability"!
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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