We are seeking a Senior Backend Software Engineer to design, develop, and maintain highly scalable, reliable, and secure cloud-based software systems. The ideal candidate will architect backend services, build robust APIs, leverage modern cloud technologies, and collaborate with cross-functional teams to deliver high-quality software solutions that support data-intensive applications.

Key Responsibilities
- Architect, develop, and test backend APIs, software features, and product infrastructure.
- Build scalable and reliable backend solutions using serverless computing, distributed platforms, and cloud technologies.
- Utilize AI tools and Large Language Models (LLMs) to accelerate software design, implementation, and optimization.
- Write clean, maintainable, and well-documented code.
- Develop and maintain comprehensive automated tests to ensure software quality.
- Research and evaluate new tools, technologies, and testing processes to improve the software development lifecycle.
- Design and develop RESTful APIs and microservices.
- Collaborate with cross-functional teams to deliver scalable and secure software solutions.




- Participate in Agile development practices and contribute to continuous improvement initiatives. Required Qualifications
- 6+ years of hands‑on software development experience.
- Bachelor's or Master's degree in Computer Science or a related field, or equivalent practical experience.
- Strong proficiency in Java and Spring Boot.
- Experience designing and developing RESTful APIs.
- Experience with microservices architecture and related technologies.
- Experience with relational databases such as PostgreSQL and MySQL.
- Experience developing scalable, secure, and high-performance backend applications.
- Ability to quickly learn new technologies and adapt to evolving technical environments.
- Experience working in Agile or Lean development environments.
- Robust analytical, problem‑solving, and communication skills. Preferred Qualifications
- Frontend development experience with the ability to contribute to full‑stack development tasks.
- Experience in life sciences, medical devices, or bioinformatics.
- Familiarity with AI tools and Large Language Models (LLMs) for software development.

📌 Senior Backend Software Engineer (Mississauga)
🏢 Compunnel
📍 Mississauga