Senior Software Engineer – Core Java, Apache Spark, Python, SQL, Data Processing

Location: Montreal

Senior Software Engineer – Core Java, Apache Spark, Python, Big Data, SQL  

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
Strong development experience in Python
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 Dev Ops practices
Experience working in Agile/Scrum environments
Key Competencies   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