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Junior Software Developer Java Jobs in Calgary, AB

Partner with cross-functional teams, software architects, and data engineers to implement backend solutions in an Agile environment. Qualifications Core Java & Backend Architecture Strong Core Java ...

Languages such as Java, C#, F#, C++, Python, and TypeScript * Frameworks, platforms, and runtimes ... Mentor junior engineers through code reviews, pairing, and direct technical guidance Qualifications ...

Languages such as Java, C#, F#, C++, Python, and TypeScript * Frameworks, platforms, and runtimes ... Mentor junior engineers through code reviews, pairing, and direct technical guidance Qualifications ...

Provide mentorship to more junior developers. What you'll bring: * Substantial experience as a software developer, with proven depth publishing and maintaining public GraphQL APIs. * Deep API design ...

You Have: * 5+ years' experience as a Software Developer * Experience working with Java , including great working knowledge of Java8 Lambdas and streaming functionality * Experience working with ...

You Have: * 5+ years' experience as a Software Developer * Experience working with Java , including great working knowledge of Java8 Lambdas and streaming functionality * Experience working with ...

NET, plus one or more modern languages or frameworks such as Java, JavaScript/TypeScript, Python ... and delivering software solutions. * Experience leading developers or technical delivery ...

Junior Building Science Technician

Calgary, AB ยท On-site +1

CA$57K - CA$76K/yr

With an unmatched breadth and depth of engineering, advisory and sciencebased expertise, our global minds unite to power local solutions. We are pathfinders and impact makers. We are Visioneers. We ...

Junior Building Science Technician

Calgary, AB ยท On-site +1

CA$57K - CA$76K/yr

With an unmatched breadth and depth of engineering, advisory and sciencebased expertise, our global minds unite to power local solutions. We are pathfinders and impact makers. We are Visioneers. We ...

Showing results 21-40

Junior Software Developer Java information

What are some common challenges faced by junior software developers working with Java, and how can they overcome them?

Junior Software Developers working with Java often encounter challenges such as understanding complex codebases, managing version control with tools like Git, and applying best practices for clean and efficient code. To overcome these obstacles, it's helpful to actively participate in code reviews, seek guidance from senior developers, and make use of online resources and documentation. Joining stand-up meetings and collaborating closely with teammates can also accelerate learning and help new developers adapt to the team's workflow.

What are the key skills and qualifications needed to thrive as a junior software developer Java, and why are they important?

To thrive as a Junior Software Developer (Java), you need a solid understanding of Java programming, algorithms, and object-oriented principles, often supported by a degree in computer science or related field. Familiarity with development tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and knowledge of build tools like Maven or Gradle is often required. Strong problem-solving abilities, willingness to learn, and effective communication skills help junior developers collaborate and adapt quickly. These skills are crucial for building reliable software, integrating smoothly into development teams, and growing within the role.

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

AspectJunior Software Developer JavaJunior Software Developer Python
Required CredentialsBachelor's in CS or related field, Java certifications (optional)Bachelor's in CS or related field, Python certifications (optional)
Work EnvironmentEnterprise applications, backend development, large-scale systemsData analysis, scripting, web development, AI/ML projects
Employer & Industry UsageFinancial services, enterprise software, telecomTech startups, data science firms, research institutions
Common Search & ComparisonYesYes

Both roles typically require a bachelor's degree in computer science or related fields. Java developers often work on enterprise-level applications in industries like finance and telecom, while Python developers focus on data analysis, scripting, and AI projects in startups and research. The choice depends on your career interests and industry focus.

What does a junior software developer Java do?

A Junior Software Developer Java is an entry-level programmer who specializes in building, testing, and maintaining software applications using the Java programming language. They typically work under the supervision of senior developers and contribute to coding, debugging, and documentation. Their responsibilities often include fixing bugs, writing unit tests, and collaborating with team members to deliver functional software solutions. This role is ideal for individuals who have a basic understanding of Java and are eager to gain professional experience in software development.

How much do junior software developers Java make?

Junior Java software developers typically earn an annual salary ranging from $50,000 to $80,000, depending on location, industry, and experience. Entry-level roles often require knowledge of Java, object-oriented programming, and development tools like IDEs and version control systems.

Are Java developers still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in Java, along with knowledge of frameworks like Spring and tools such as Maven, continue to be valuable in the job market across various industries.
Infographic showing various Junior Software Developer Java job openings in Calgary, AB as of August 2026, with employment types broken down into 1% Internship, 75% Full Time, 21% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Java Developer

Patch & Permasearch

Calgary, AB โ€ข Hybrid

Full-time

Posted 21 days ago


Job description

Job Description Job Title: Java Developer Hiring Type: Fulltime Permanent Position Location: Montreal, QC / Calgary, AB (Hybrid - x3 per week on-site) We are seeking a skilled and proactive Java Developer to join our client's engineering team. In this role, you will design, develop, and maintain high-performance backend systems and data services. You'll be working with a collaborative team to tackle complex core Java components, build robust microservices using the Spring framework, and manage relational database operations at scale.

Responsibilities Backend Development: Write clean, efficient, and well-tested core Java code to support core business functionality. Spring Ecosystem: Build, scale, and optimize enterprise applications using the Spring Framework (Spring Boot, Spring Data, etc.). Data & SQL Optimization: Architect and fine-tune complex database queries, schema designs, joins, subqueries, and indexing strategies

Performance Tuning: Troubleshoot performance bottlenecks across the application tier and database level, including JVM garbage collection and concurrency optimization. Collaboration: Partner with cross-functional teams, software architects, and data engineers to implement backend solutions in an Agile environment. Qualifications Core Java & Backend Architecture Strong Core Java Expertise: Deep hands-on knowledge of core Java principles.

Collections & Concurrency: Deep understanding of the Java Collections Framework, multithreading, concurrent data structures, and thread synchronization. JVM Fundamentals: solid understanding of JVM memory structure, basic Garbage Collection (GC) behavior, and memory/performance tuning. Spring Framework: Extensive real-world experience building enterprise applications with the Spring ecosystem (Spring Boot, MVC, Security, Dependency Injection).

Databases & Data Engineering RDBMS Mastery: Strong experience working with enterprise Relational Databases (e.g., PostgreSQL, Oracle, MySQL, SQL Server). Advanced SQL: Proven ability to write and optimize complex SQL queries, multi-table joins, nested subqueries, and indexing strategies for peak performance. Nice-to-Have Qualifications Experience with Snowflake (data warehouse concepts, writing queries, integrations) is a strong plus

Experience with CI/CD pipelines, Docker, Kubernetes, or cloud services (AWS/Azure/GCP). Familiarity with messaging queues (Kafka, RabbitMQ).