Java Backend Developer – Java (17+), Spring Boot, Microservices
About the role
Java BE Developer – Java Spring Boot, Microservices Location: Toronto, ON – Hybrid (4 Days WFO)
Key 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, Retrieval Augmented Generation (RAG) services, and 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 including 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 Strong hands-on experience in Java backend development (5+ years). 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 (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. Experience with prompt templates, 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).
Not the right fit? Search for Java Backend Developer jobs in Toronto, Ontario, Canada
About Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Astra - North Infoteck Inc.
Agile - Systems - Technologies - Resources - Applications
Apply for Jobs@ https://careers.astra-north.com/jobs/
We are a global information technology services, management consulting and outsourcing company headquartered in Canada. Astra North helps clients navigate the ever-changing complex information technology landscape with its portfolio of IT consulting services, managed services and staffing and talent management solutions.
The core challenge facing many businesses in their IT functions is the increasing shortage of talent across the globe and its resultant impact on productivity. To overcome this challenge Astra-North provides its clients with a single source Integrated Recruitment Process Outsourcing - iRPO Service. Astra-North works as a specialist strategic partner for its clients by providing the best talent pool of IT Professionals on contract hire, permanent hire or managed services basis through its comprehensive and integrated recruitment, staff augmentation, workforce solutions, recruitment process outsourcing and managed services programs which are customized for individual client needs. Astra North Staffing Services include managing programs that are in compliance with matters focussing on careers, communications, legal and regulatory issues, technology and outsourcing, budgeting and metrics, IT staffing management best practices and global staffing management issues.
Our technical service extends the entire software development lifecycle from Consulting, Business Process Analysis, Requirement Mapping, Analysis, Design, Development, Testing to Implementation and Support. Astra-North Infoteck has expertise in building, maintaining and reengineering IT solutions to meet its client’s evolving needs.We help clients become agile to meet and exceed their goals.
Astra-North ~ Conquering Today's Challenges, Achieving Tomorrow's Vision!
Similar Jobs
Java Backend Developer – Java (17+), Spring Boot, Microservices
About the role
Java BE Developer – Java Spring Boot, Microservices Location: Toronto, ON – Hybrid (4 Days WFO)
Key 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, Retrieval Augmented Generation (RAG) services, and 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 including 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 Strong hands-on experience in Java backend development (5+ years). 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 (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. Experience with prompt templates, 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).
Not the right fit? Search for Java Backend Developer jobs in Toronto, Ontario, Canada
About Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Astra - North Infoteck Inc.
Agile - Systems - Technologies - Resources - Applications
Apply for Jobs@ https://careers.astra-north.com/jobs/
We are a global information technology services, management consulting and outsourcing company headquartered in Canada. Astra North helps clients navigate the ever-changing complex information technology landscape with its portfolio of IT consulting services, managed services and staffing and talent management solutions.
The core challenge facing many businesses in their IT functions is the increasing shortage of talent across the globe and its resultant impact on productivity. To overcome this challenge Astra-North provides its clients with a single source Integrated Recruitment Process Outsourcing - iRPO Service. Astra-North works as a specialist strategic partner for its clients by providing the best talent pool of IT Professionals on contract hire, permanent hire or managed services basis through its comprehensive and integrated recruitment, staff augmentation, workforce solutions, recruitment process outsourcing and managed services programs which are customized for individual client needs. Astra North Staffing Services include managing programs that are in compliance with matters focussing on careers, communications, legal and regulatory issues, technology and outsourcing, budgeting and metrics, IT staffing management best practices and global staffing management issues.
Our technical service extends the entire software development lifecycle from Consulting, Business Process Analysis, Requirement Mapping, Analysis, Design, Development, Testing to Implementation and Support. Astra-North Infoteck has expertise in building, maintaining and reengineering IT solutions to meet its client’s evolving needs.We help clients become agile to meet and exceed their goals.
Astra-North ~ Conquering Today's Challenges, Achieving Tomorrow's Vision!