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REALIGN LLC

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Core java, Apache Spark, Python Developer

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Summary

Senior Software Engineer responsible for designing and maintaining scalable server-side applications and analytical data processing systems. Core technologies include Core Java, Apache Spark, Python, and SQL, working within a Linux/Unix environment.

Core java, Apache Spark, Python Developer

Job Title: Core java, Apache Spark, Python Developer
Job Type: Full Time
Location: Montreal, QC (Hybrid)

Job Description

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

Key Responsibilities

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

Required Skills & Qualifications

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

Preferred Qualifications

  • Experience with cloud platforms such as AWS, Azure, or GCP.
  • Knowledge of Hadoop ecosystem technologies.
  • Experience with Docker and Kubernetes.
  • Familiarity with CI/CD tools and DevOps practices.
  • Experience working in Agile/Scrum environments.
  • Financial Services or Capital Markets domain experience is a plus.
  • Strong analytical and problem-solving abilities.
  • Ability to work independently and collaboratively in a fast-paced environment.
  • Excellent communication and stakeholder management skills.
  • Strong focus on delivering high-quality, scalable, and maintainable solutions.
  • Job Type: Full Time
  • Location: Montreal, QC
  • Work Model: Hybrid

Skills

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