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Senior Java Developer (with LLM expertise)

Miratech
Toronto, CAN
Full-time
Senior · 7+ years experience
Hybrid
Discovered 3 days ago
JavaPythonSQLDockerKubernetes

Full Job Posting

Responsibilities:

  • Lead the design and delivery of Java/Spring Boot microservices, establishing API-first design principles, service-to-service communication and secure integration patterns.
  • Implement solutions designed by architects, turning target designs into production-ready, well-tested services.
  • Identify, prototype and build automation using AI technologies, and architect backend systems that support LLM integration, Retrieval-Augmented Generation (RAG) and vector databases.
  • Build agentic workflows and design, test and refine prompts for LLM-powered features.
  • Design event-driven workflows using streaming platforms such as Kafka.
  • Ensure solutions fit containerized, cloud-native deployments on Docker, Kubernetes/OpenShift or Azure, delivered through CI/CD pipelines.
  • Drive formal design reviews, contribute to technology stack selection, and define caching and observability strategies.
  • Manage application security, including OAuth2/JWT authentication and authorization.
  • Promote AI-assisted engineering across the developer group, including prompt engineering and the practical adoption of GitHub Copilot to speed up software delivery.

Nice to have:

  • Experience in banking, financial services or another regulated industry.
  • Experience with production GenAI solutions, multiple LLM providers, LLM evaluation and agentic workflows.
  • Familiarity with AI governance, model risk management, privacy controls and responsible AI practices.
  • Experience with Redis, messaging and streaming services, and Infrastructure as Code.
  • Experience with security testing, DevSecOps, Agile/Scrum and GitHub Copilot.
  • Experience mentoring developers and contributing to architecture standards, technical governance and engineering strategy.
  • We offer:
  • Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth.
  • Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package, including health insurance, and a relocation program.
  • Work From Anywhere Culture: make the most of the flexibility that comes with remote work.
  • Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
  • Global Impact: collaborate on impactful projects for top global clients and shape the future of industries.
  • Welcoming Multicultural Environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events.
  • Social Sustainability Values: join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality.
  • Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.
  • Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values-driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989. Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.

Qualifications

  • 7+ years of experience designing and implementing large-scale enterprise applications.
  • Deep expertise in Java, Spring Boot, RESTful APIs and gRPC services.
  • Strong proficiency in Python, prompt patterns, LLM orchestration frameworks such as LangChain or LlamaIndex, and working with vector databases.
  • Hands-on experience with Kafka, RDBMS/SQL, NoSQL and high-performance caching architectures.
  • Experience with CI/CD pipelines (Jenkins, GitHub Actions), Docker/Podman, OpenShift/Kubernetes and cloud platforms.
  • Solid understanding of application security, including OAuth2 and JWT.
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology or a related field, or equivalent practical experience.
  • Experience in banking, financial services or another regulated industry.
  • Experience with production GenAI solutions, multiple LLM providers, LLM evaluation and agentic workflows.
  • Familiarity with AI governance, model risk management, privacy controls and responsible AI practices.
  • Experience with Redis, messaging and streaming services, and Infrastructure as Code.
  • Experience with security testing, DevSecOps, Agile/Scrum and GitHub Copilot.
  • Experience mentoring developers and contributing to architecture standards, technical governance and engineering strategy.

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