Software Engineer with Core Java, Apache Spark & Python,

Apptoza Inc.; Montreal; Hybrid; CAD 90,000 - 130,000; Full time

Job summary

Apptoza Inc. in Montreal, QC, is seeking a Software Engineer with Core Java, Apache Spark, Python, SQL and Linux experience.

You will design, develop, and support scalable server-side applications and analytical data processing systems in a hybrid work setup. The role emphasizes building high-performance data processing solutions, integrating analytical platforms, and collaborating across cross-functional teams to deliver robust, scalable software.

Qualifications

• Senior years of hands-on experience in software development and analytical system integration.
• Strong programming expertise in Core Java.
• Hands-on experience with Apache Spark for distributed data processing.
• Proficiency in SQL and relational databases.
• Strong working knowledge of Linux/Unix operating systems.
• Experience in application/server-side development and microservices-based architectures.
• Experience designing, building, and integrating analytical and data processing systems.
• Strong understanding of data structures, algorithms, object-oriented design principles, and multithreading.
• Experience with RESTful APIs and system integration.
• Excellent problem-solving and debugging skills.

Responsibilities

• Design, develop, test, and maintain high-performance, scalable server-side applications using Core Java and Python.
• Build and optimize large-scale data processing solutions using Apache Spark.
• Develop and maintain database solutions, write complex SQL queries, and optimize database performance.
• Design and integrate analytical systems to process and analyze large volumes of structured and unstructured data.
• Collaborate with cross-functional teams including business analysts, architects, data engineers, and QA teams to deliver robust solutions.
• Troubleshoot, debug, and resolve application and system performance issues.
• Work in Linux environments for application deployment, monitoring, and support activities.
• Participate in application architecture discussions and contribute to technical design decisions.
• Ensure adherence to coding standards, security guidelines, and software development best practices.
• Support CI/CD processes and application lifecycle management.

Skills

Senior software experience

Analytical thinking

Team collaboration

Problem solving

Communication

Tools

Core Java

Apache Spark

Python

SQL

Linux

Job description

Role: Software Engineer with Core Java, Apache Spark, Python, SQL, and Linux experience

Location: Montreal, QC – Hybrid

Job Description

Job Description – Core java, Apache Spark, Python

We are seeking a highly motivated and experienced Software Engineer with strong expertise in Core Java, Apache Spark, Python, SQL, and Linux to design, develop, and support scalable server-side applications and analytical data processing systems. The ideal candidate will have hands-on experience in building high-performance applications, integrating analytical platforms, and working with large-scale data processing frameworks.

Key Responsibilities

• Design, develop, test, and maintain high-performance, scalable server-side applications using Core Java and Python.
• Build and optimize large-scale data processing solutions using Apache Spark.
• Develop and maintain database solutions, write complex SQL queries, and optimize database performance.
• Design and integrate analytical systems to process and analyze large volumes of structured and unstructured data.
• Collaborate with cross-functional teams including business analysts, architects, data engineers, and QA teams to deliver robust solutions.
• Troubleshoot, debug, and resolve application and system performance issues.
• Work in Linux environments for application deployment, monitoring, and support activities.
• Participate in application architecture discussions and contribute to technical design decisions.
• Ensure adherence to coding standards, security guidelines, and software development best practices.
• Support CI/CD processes and application lifecycle management.

Required Skills & Qualifications

• Senior years of hands-on experience in software development and analytical system integration.
• Strong programming expertise in Core Java.
• Hands-on experience with Apache Spark for distributed data processing.
• Proficiency in SQL and relational databases.
• Strong working knowledge of Linux/Unix operating systems.
• Experience in application/server-side development and microservices-based architectures.
• Experience designing, building, and integrating analytical and data processing systems.
• Strong understanding of data structures, algorithms, object-oriented design principles, and multithreading.
• Experience with RESTful APIs and system integration.
• Excellent problem-solving and debugging skills.

Preferred Qualifications

• Experience with cloud platforms such as AWS, Azure, or GCP.
• Knowledge of Hadoop ecosystem technologies.
• Experience with containerization technologies such as Docker and Kubernetes.
• Familiarity with CI/CD tools and DevOps practices.
• Experience working in Agile/Scrum environments.
• Strong analytical and problem-solving skills.
• Ability to work independently and collaboratively in a fast-paced environment.
• Excellent communication and stakeholder management skills.
• Commitment to delivering high-quality, scalable, and maintainable solutions.
• Nice to Have: Financial Services / Capital Markets domain experience.