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Added 1 day ago
RB
Lead Full Stack Developer
Royal Bank of Canada
Toronto, ON
- Full-time
At its core, this role requires excellent problem-solving skills and C#/.Net, Java, Python and full stack coding capability. This role will need to effectively communicate, collaborate, and…
Added 2 days ago
AI
Senior Java Architect
Apptoza Inc.
Toronto, ON
- Contract
Design and architect enterprise applications using Open Liberty/WebSphere Liberty. Lead application modernization and migration programs from traditional WebSphere Application Server (WAS)…
Added 2 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Architect, build and maintain SaaS and on-premise applications and modern platforms (e.g., ERP), including configuration, troubleshooting, vendor escalation, and application lifecycle…
Added 2 days ago
A
Java Spark Developer
Apptad
Montreal, QC
- Contract
We are seeking a highly skilled and experienced Senior Java Backend Developer to join our core engineering team. In this role, you will be responsible for designing, building, and…
Added 2 days ago
VS
Full Stack Developer (Java/React)
vTech Solution Canada
Toronto, ON
- Contract
Title: Full Stack Software Developer (Java/React)
Added 2 days ago
NI
Angular Developer
Nityo Infotech
Toronto, ON
- Full-time
Application Development: Architect and build responsive, data-driven web applications using modern Angular versions (Angular 14+), TypeScript, HTML5, and SCSS.
Added 2 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Architect, build and maintain SaaS and on-premise applications and modern platforms (e.g., ERP), including configuration, troubleshooting, vendor escalation, and application lifecycle…
Added 2 days ago
M
Senior Java Developer (with LLM expertise)
Miratech
Toronto, ON
- Full-time
This role bridges high-scale microservices architecture with GenAI. You will help the bank build scalable, resilient, API-driven ecosystems that embed LLMs, agentic workflows, and…
Added 2 days ago
M
Senior Java Developer (with LLM expertise)
Miratech
Toronto, ON
- Full-time
This role bridges high-scale microservices architecture with GenAI. You will help the bank build scalable, resilient, API-driven ecosystems that embed LLMs, agentic workflows, and…
Added 2 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java, and modern web technologies, including Node.js, Next.js, and React. The successful candidate will provide…
Added 3 days ago
PF
Enterprise Solution Architect
Pattison Food Group
Langley (District), BC · Langley Office - Langley BC
- Full-time
We have an exciting opportunity for a full-time Enterprise Solution Architect to join our IT team in Langley, BC.
Added 3 days ago
V
Architect
Virtusa
Mississauga, ON
- Full-time
Has experience in Rest API, Java script, Messaging queues
Added 3 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Architect, build and maintain SaaS and on-premise applications and modern platforms (e.g., ERP), including configuration, troubleshooting, vendor escalation, and application lifecycle…
Added 3 days ago
Solutions Architect (Data, Automation & Platforms)
The Canada Life Assurance Company
Toronto, ON
Full Stack Development experience at a minimum (not looking for expert level knowledge) on these technologies- Java, Tomcat, Springboot, React, BPM Engines, Rules Engines, API Gateways and…
Added 3 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Architect, build and maintain SaaS and on-premise applications and modern platforms (e.g., ERP), including configuration, troubleshooting, vendor escalation, and application lifecycle…
Added 3 days ago
P
Java Software Engineer
ProxyLink
Toronto, ON
- $100 to $105 CAD / hour
- Contract
…experience across Microsoft Dynamics 365, Power Platform, Azure, Java, and modern web technologies, including Node.js, Next.js, and…
Added 3 days ago
LI
Full Stack Software Developer (Java/React)
Lotus IT Solutions
Toronto, ON
- Contract
Architect, design, and implement Dynamics 365 Customer Service and Case Management solutions using both out-of-the-box capabilities and custom development
Added 3 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java, React, and enterprise system integrations. The ideal candidate will have experience leading Agile development…
Added 3 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java, and modern web technologies, including Node.js, Next.js, and React. The successful candidate will provide…
Added 3 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java, and modern web technologies, including Node.js, Next.js, and React. The successful candidate will provide…
Added 3 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java, and modern web technologies, including Node.js, Next.js, and React. The successful candidate will provide…
Added 3 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java, React, and enterprise system integrations. The ideal candidate will have experience leading Agile development…
Added 3 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java, React, and enterprise system integrations. The ideal candidate will have experience leading Agile development…
Added 3 days ago
BC
Cloud Architect
BrainRidge Consulting
Toronto, ON
- Full-time
Programming abilities encompassing API and webhook development in languages such as Java, Python, Node.js, Ruby, PowerShell, or Shell Scripting
Added 3 days ago
RS
Senior Full Stack Software Developer, RMJ
Redwood Software
ON
- $132,000 to $165,000 CAD / year
Design, develop, and implement scalable, secure, and high-performance full-stack applications using Java, JavaScript, and related technologies

Miratech

Senior Java Developer (with LLM expertise)

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Apr 21, 2027
Experience: 7+ years of experience designing and implementing large-scale enterprise applications.
Posting language: English
Posted: Oct 23, 2026

Original job description

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%.

Job Description

We are looking for a Senior Java Developer with LLM expertise to lead the technical design, development and integration of core banking application systems for a major financial services client.

This role bridges high-scale microservices architecture with GenAI. You will help the bank build scalable, resilient, API-driven ecosystems that embed LLMs, agentic workflows, and intelligent automation into business processes. Day-to-day, you will implement solutions designed by the architecture team in Java and Spring Boot, build LLM-powered and agentic features, and shape how the wider developer group adopts AI-assisted engineering.

Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office.

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.

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.

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.

Additional Information

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.

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More about this job

Responsibilities

Design and deliver secure, scalable Java and Spring Boot microservices for core banking systems, including API-first and event-driven integrations. Build LLM-powered features, RAG and agentic workflows, and promote AI-assisted engineering while supporting cloud-native deployment, security, observability, and technical design practices.

Requirements

Requires 7+ years of experience developing large-scale enterprise applications, with deep expertise in Java, Spring Boot, REST APIs, and gRPC. Candidates should also have strong Python and LLM skills, experience with data stores, Kafka, CI/CD, containers, Kubernetes or OpenShift, cloud platforms, and application security; a relevant bachelor's degree or equivalent practical experience is required.

Skills

Java
Spring Boot
Microservices
RESTful APIs
gRPC
Python
Large Language Models
Prompt Engineering
LangChain
LlamaIndex
Vector Databases
Kafka
SQL
NoSQL
Docker
Kubernetes

Benefits

Health Insurance
Relocation Program
Professional Development Opportunities
Certification Programs
Mentorship Programs
Internal Mobility Opportunities

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Microservices
RESTful APIs
gRPC
Python
Large Language Models
Generative AI
Retrieval-Augmented Generation
Agentic Workflows
Prompt Engineering
LangChain
LlamaIndex
Vector Databases
Kafka
RDBMS
SQL
NoSQL
Caching
Redis
CI/CD
Jenkins
GitHub Actions
Docker
Podman
Kubernetes
OpenShift
Azure
OAuth2
JWT

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