We are looking for Java Back end Developer for our client in Toronto, ON
Job Title: Java Back end Developer
Job Location: Toronto, ON
Job Type: Contract
Job Overview:
Requirement/Must Have:
- 5+ years of software development experience across multiple languages/frameworks.
- Deep expertise in Java/Kotlin.
- Understanding in Python.
- Strong frontend skills with React and modern JavaScript.
- Database experience with PostgreSQL and Snowflake (or similar data warehouses).
- Hands-on experience with ETL tools and data pipeline development.
- Proficiency with DevOps tools (GitHub, CI/CD, containerization).
- Strong understanding of testing frameworks and SDLC best practices.
- Experience with API design and microservices architecture.
- Proven mentoring and leadership capabilities.
Responsibilities:
- Design and implement full-stack solutions across Python, Java/Kotlin, React, PostgreSQL, and Snowflake.
- Lead ETL pipeline development and optimization, ensuring data flows efficiently and reliably.
- Architect and build scalable backend services and modern frontend applications.
- Champion AI/LLM integration and prompt engineering best practices across the team.
- Drive adoption of best-in-class testing frameworks, DevOps practices, and SDLC discipline.
- Lead code reviews, establish engineering standards, and mentor junior engineers.
- Participate in security and architectural design reviews.
- Contribute to GitHub-based development workflows and CI/CD pipeline improvements.
- Troubleshoot production issues and drive reliability improvements.
Nice to Have:
- AI/LLM and prompt engineering experience.
- Security testing tools experience (Checkmarx, NexusIQ, or similar).
- Experience with cloud platforms (AWS, Azure, Google Cloud Platform).
Skills:
- Java.
- Kotlin.
- Python.
- React.
- JavaScript.
- PostgreSQL.
- Snowflake.
- ETL.
- Microservices.
- GitHub.
- CI/CD.
- DevOps.
- AI/LLM.
Qualification And Education:
- 5+ years of software development experience.
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Benefits
Our Benefits Include:
- Medical, Dental, and Vision Insurance
- 401(k) Retirement Plan
- Health Savings Account (HSA)
- Disability Insurance (Short-Term and Long-Term)
- Life and AD&D Insurance
- Paid Sick Leave (where required by applicable state or local law)
- Supplemental Insurance Plans
- Identity Theft Protection
- Pet Insurance
- Employee Wellness Programs
- Employee Assistance Program (EAP)
- Career Growth and Professional Development Opportunities
Disclaimer: Benefits eligibility, accrual rates, and usage limits may vary based on employment status, length of service, and work location. Paid Sick Leave is provided in strict accordance with applicable state and municipal mandates. Cynet Systems Inc. reserves the right to modify, amend, or terminate any benefit plans at any time in accordance with applicable laws.
About Cynet Systems
Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading technology staffing and workforce solutions company serving Fortune 500 companies, government agencies, and enterprise organizations across the United States and Canada. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
As a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. Our organization is certified to ISO 9001, ISO 14001, ISO 27001, and SOC 2 Type II standards, reflecting our commitment to quality, security, operational excellence, and customer success.