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

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 ... Guide and mentor junior developers, fostering a culture of learning, best practices, and technical ...

Reporting to the Senior Manager Development, this Sr. Software Developer role is responsible for ... Must have technical working experience with Core Java (Version 8 or higher)/Java, JDK17+

Position Summary We are currently looking for an experienced application developer who is well ... Knowledge-building Java-based REST or GraphQL web services * Knowledge of front-end UI development ...

"5+ years of relevant experience in Apps Development role with proven track record of delivery Strong hands-on technical experience with Java technology stack & Kubernetes Enriched experience ...

"5 years of relevant experience in Apps Development role with proven track record of delivery Strong hands-on technical experience with Java technology stack & Kubernetes Enriched experience ...

To learn more about who we are, visit our website: www.teranet.ca About the Role We are seeking an analytically driven Angular/Java Developer to join our high-performing Systems Development Team. You ...

Java/Angular Developer

Toronto, ON · Hybrid

CA$37.36 - CA$54.05/hr

Java/Angular Developer Primary Office Location: 123 Front Street West, Toronto, OntarioUnion: (Local 507)Pay Range - $37.36-$54.05Permanent Position Who We Are Teranet is Canada's leader in the ...

Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

* 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 ...

* 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 ...

Deployment in cloud environments (AWS, Azure, GCP) Big Data & Programming: * Experience in developing and optimizing Big Data applications using Java, Scala, Hadoop, Hive * Minimum 2 years coding ...

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 ...

"5+ years of relevant experience in Apps Development role with proven track record of delivery Strong hands-on technical experience with Java technology stack & Kubernetes Enriched experience ...

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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.
What are the most commonly searched types of Java Developer jobs in Mississauga, ON? The most popular types of Java Developer jobs in Mississauga, ON are:
What job categories do people searching Junior Java Developer jobs in Mississauga, ON look for? The top searched job categories for Junior Java Developer jobs in Mississauga, ON are:
What cities near Mississauga, ON are hiring for Junior Java Developer jobs? Cities near Mississauga, ON with the most Junior Java Developer job openings:
Infographic showing various Junior Java Developer job openings in Mississauga, ON as of July 2026, with employment types broken down into 87% Full Time, 2% Part Time, and 11% Contract. Highlights an 86% In-person, and 14% Remote job distribution.

Java Backend Developer

Localcoin

Etobicoke, ON • Hybrid

CA$100K - CA$135K/yr

Full-time

Re-posted 29 days ago


Job description

ABOUT US

Localcoin, founded in 2017 with headquarters in Toronto, is on a mission to simplify the process and experience of buying or selling digital currencies globally. We envision bringing digital currency to the mainstream financial market through partnerships with leading corporate and franchised retail spaces. With terminals across Canada, Poland and the APAC region, including Australia, Hong Kong, and New Zealand, Localcoin is now the fastest growing Bitcoin ATM operator in the world.

At its core, Localcoin believes that everyone should be able to own cryptocurrency and have a deep understanding of blockchain technology. As a member of our rapidly growing team, you'll join a talented, dynamic group of team members who will encourage you to learn, grow, and thrive in your career every step of the way.

If you're a self-starter looking to hone your skills in a startup environment that fosters innovation, transparency, and team connectivity, we look forward to hearing from you!

THE ROLE

Salary Range: $100,000 - $135,000

Localcoin seeks to inspire the future of digital currency globally as the largest bitcoin ATM network in Canada. We are looking for an individual who is passionate about learning new technologies to join our growing Engineering team as our Java Back End Developer.

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 availability. Working alongside the Engineering team, you should have an unyielding desire to learn and broaden your horizon along with contributing towards daily deliverables. You should be a team player, familiar with the Agile framework of delivery.

This position will be based out of our office in Etobicoke, ON, and will have a hybrid work schedule of 2 days a week.

WHAT YOU'LL BE DOING

  • Work closely with technical and non-technical stakeholders to design and implement secure, scalable, and maintainable integration solutions aligned with business strategy.
  • Ensure applications and integrations adhere to best practices for security, compliance, and data protection, proactively identifying and mitigating vulnerabilities.
  • Develop, maintain, troubleshoot, and debug Java applications and integrations, ensuring high availability and optimal performance.
  • Collaborate with UI teams to ensure seamless front-end and back-end interactions, optimizing for performance, security, and user experience.
  • Implement secure coding practices, conduct peer code reviews, and contribute to system stability and resilience.
  • Monitor application performance, identify bottlenecks, and enhance efficiency to improve user experience and system reliability.
  • Respond to integration issues, resolve production incidents efficiently, and contribute to post-mortem analysis and improvements.
  • Stay updated with the latest Java development trends, security best practices, and architectural improvements to enhance system robustness.
  • Guide and mentor junior developers, fostering a culture of learning, best practices, and technical excellence. Provide support through code reviews, technical guidance, and skill development.

WHAT WE'RE LOOKING FOR

  • 5+ years in backend development and strong knowledge in Java 8 along with Maven or Gradle.
  • In-depth experience with Spring framework, including Spring - Boot, JPA, MVC and Spring Security for building RESTful services.
  • Experience with functional testing, unit testing, code coverage and static code analysis tools such as Sonar.
  • Experience with BDD and related tools.
  • Strong proficiency in SQL. DDL, DML, relational database design and indexing in any well known SQL databases such as MySQL, Postgres, Oracle DB, MSSQL
  • Proficient in Git flow, Maven, NGINX and Docker.

NICE TO HAVES

  • Experience with any CI/CD platforms on the cloud
  • Expertise on Linux platforms and shell commands
  • Good understanding of cloud environments like AWS/GPC
  • Experience in Angular/React JS
  • Expertise using Swagger and/or Postman tools
  • Good understanding about database-migration tools such as Flyway


WHAT YOU'LL LOVE ABOUT US

  • Competitive Salary & Benefits – We value and reward our team members.
  • RRSP Group Matching Program – We invest in your financial well-being.
  • Hybrid Work Environment – Enjoy flexibility while being part of a dynamic team.
  • Professional Development – Opportunities for learning and growth covered by Localcoin.
  • Team Culture & Events – Regular socials, team meetings, and collaborative workspaces.
  • Impactful Work – Play a key role in a growing company and make a real difference.
  • Great Place to Work® Certified – Proudly recognized for our positive workplace culture and employee experience.

JOIN OUR INCLUSIVE TEAM

Localcoin is committed to building an inclusive, accessible, and equitable workplace. We welcome applicants from all backgrounds and do not discriminate based on race, ancestry, place of origin, color, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity or expression, age, marital status, family status, or disability.

If you require accommodation at any stage of the recruitment process, please notify the Talent team or email careers@localcoinatm.com.

Applicants must be legally eligible to work in Canada. At this time, we are not able to provide visa sponsorship.

AI DISCLOSURE STATEMENT

We want to share that we may use artificial intelligence (AI) tools to help screen and assess applications. While technology helps us stay organized and efficient, every hiring decision at Localcoin is made by real people who care about finding the best addition to our team. These tools are used to support our process—not to replace the human judgment and connection that are core to our culture.