Applications Development Java Programmer - Assistant Vice President

MainframeMaster; Mississauga; Hybrid; CAD 85,000 - 120,000; Full time

Job summary

MainframeMaster in Mississauga, Canada, is seeking an intermediate Java Developer to design, implement, and maintain scalable applications. You will code high-volume, low-latency Java modules, contribute across the full development lifecycle, and ensure performance and reliability in cloud environments.

Responsibilities include architecture discussions, writing tests, debugging, and collaborating with analysts and other developers.

Qualifications

• 5–8 years of Java development experience in a cloud environment.
• Proficiency in Java, APIs, and cloud engineering.
• Hands-on experience building RESTful APIs using Spring.
• Experience with Oracle, SQL and NoSQL databases (MongoDB).
• Experience with OpenShift, Kubernetes, MQ, Kafka.
• Strong SDLC/Agile Understanding and DevOps/CI/CD practices.

Responsibilities

• Code, build, and maintain Java code for high-volume, low-latency apps.
• Contribute to all phases of the development lifecycle from concept to deployment.
• Write clean, testable, scalable code per standards and best practices.
• Ensure performance, quality, and responsiveness of applications.
• Collaborate with analysts, PMs, and other developers; produce design docs.

Skills

Java development

RESTful APIs

Cloud engineering

SDLC/Agile

Code quality

Independent worker

Education

Bachelor's degree

Tools

Spring

OpenShift

Kubernetes

MQ

Kafka

Oracle

SQL

MongoDB

Job description

This is an intermediate-level, hands-on technical role for an Applications Development Java Programmer . The position requires significant hands-on coding and development in Java to establish and implement new or revised application systems and programs. The successful candidate will be directly responsible for application systems, hands-on coding, development and programming.

Responsibilities

• Core Development & Implementation
• Code, build, and maintain efficient, reusable, and reliable Java code for high-volume, low-latency applications.
• Contribute to all phases of the development lifecycle, from concept and design to testing and deployment.
• Write well-designed, testable, and scalable code in accordance with software development standards and best practices.
• Ensure the best possible performance, quality, and responsiveness of the applications.
• Analysis, Design & Architecture
• Analyze user requirements to define business objectives and translate them into technical specifications.
• Participate in architectural and design discussions to create robust and scalable solutions.
• Produce detailed specifications and software design documents.
• Identify and evaluate new technologies for implementation.
• Unit Testing & Code Quality
• Code and develop and execute unit tests, integration tests, and performance tests to ensure code quality.
• Identify bottlenecks and bugs, and devise solutions to these problems.
• Support continuous improvement by investigating alternatives and technologies and presenting them for architectural review.
• Participate in peer code reviews to maintain high standards of code quality.
• Maintenance & Support
• Troubleshoot, debug, and upgrade existing systems to ensure they meet business needs.
• Prepare and produce releases of software components.
• Provide technical support for applications in production, responding to and resolving issues in a timely manner
• Collaboration & Documentation
• Collaborate with cross-functional teams, including business analysts, project managers, and other developers, to deliver high-quality software.
• Document and maintain software functionality, processes, and technical specifications.
• Communicate effectively with team members and stakeholders to provide updates on project status and technical issues.

Required Qualifications

• 5-8 years of Java Development experience in cloud environment
• Proficiency in programming in Java, API, Cloud engineering
• Hands on experience of building RESTful APIs using popular frameworks like Spring
• Experience in Oracle , SQL , NoSql - MongoDB
• Experience in Cloud - Openshift Kubernetes , Messaging systems - MQ , Kafka
• Experience of following clean code principles
• Solid understanding of software development lifecycle (SDLC) and Agile methodologies.
• Knowledge of DevOps practices and CI/CD pipelines.
• Able to independently work in fast paced and rapidly changing environment
• Experience in systems analysis and programming of software applications
• Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements

Recommended Qualifications

• Experience in Financial domain with focus on Payments is a plus
• Understanding of GenAI, LLMs is a plus
• Experience in integrating mainframe applications with Kafka or API is a plus
• Extensive experience system analysis and in programming of software applications
• Experience in managing and implementing successful projects
• Subject Matter Expert (SME) in at least one area of Applications DevelopmentAbility to adjust priorities quickly as circumstances dictate
• Demonstrated leadership and project management skills
• Consistently demonstrates clear and concise written and verbal communication

Education

• Bachelor's degree/University degree or equivalent experience

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.