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Tekgence Inc
Full Stack EngineerTekgence Inc • Toronto, ON, Canada
Full Stack Engineer

Full Stack Engineer

Tekgence Inc • Toronto, ON, Canada
30+ days ago
Job type
  • Full-time
Job description

Full Stack Developer (JAVA + Spring Boot + Angular + AI)

Toronto, ON - Hybrid (4 Days WFO)

12 months

Responsibilities

  • Design, develop, and maintain high-performance backend services using Java (17+), Spring Boot, and Microservices architecture.
  • Build and expose RESTful and event-driven APIs supporting enterprise-scale applications.
  • Integrate Generative AI / LLM capabilities (e.g., text generation, summarization, Q&A, classification) into backend workflows.
  • Design, test, and optimize prompts and prompt orchestration strategies to ensure accuracy, determinism, and performance.
  • Develop AI-aware backend components such as prompt templates and prompt pipelines.
  • Implement Retrieval-Augmented Generation (RAG) services.
  • Build AI inference orchestration layers.
  • Implement secure API integrations with AI platforms and internal data sources, ensuring compliance with enterprise security standards.
  • Apply prompt versioning, evaluation, and monitoring techniques to improve AI output quality over time.
  • Ensure non‑functional requirements: scalability, resiliency, performance, and observability.
  • Contribute to CI/CD pipelines, containerization, and cloud‑native deployments.
  • Participate in code reviews, architecture discussions, and technical design decisions.
  • Support production systems and troubleshoot complex backend or AI integration issues.

Required Technical Skills

Core Backend Engineering

  • 5+ years of hands‑on experience in Java backend development.
  • Expertise in Java 11/17+, Spring Boot, Spring MVC, Spring Security.
  • Solid experience in Microservices, REST APIs, and API design (OpenAPI/Swagger).
  • Experience with containers and cloud platforms (Docker, Kubernetes, OpenShift, Azure/AWS).
  • Strong knowledge of SQL and NoSQL databases (e.g., DB2, PostgreSQL, MongoDB).
  • Experience in CI/CD, DevOps practices, and automated testing.

AI & Prompt Engineering

  • Hands‑on experience integrating Large Language Models (LLMs) into backend systems.
  • Strong understanding of prompt engineering techniques, including zero-shot, few-shot, and chain-of-thought prompting.
  • Prompt templates and dynamic prompt generation.
  • Guardrails, validation, and hallucination reduction.
  • Experience building RAG‑based solutions using vector stores and embeddings.
  • Familiarity with AI orchestration frameworks or SDKs (enterprise or open-source).
  • Ability to evaluate prompt and model responses for quality, bias, and consistency.

Security & Compliance

  • Experience implementing OAuth 2.0, JWT, SSL/TLS, and secure API patterns.
  • Awareness of data privacy, PII handling, and AI governance in regulated environments (BFSI preferred).
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Full Stack Engineer • Toronto, ON, Canada

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