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Added 4 hours ago
JI
Integration Analyst
J.D. Irving, Limited
Saint John, NB
- Full-time
We are looking for a motivated, detail-oriented, and collaborative Integration Analyst who is passionate about learning and problem-solving. This role will support the development,…
Added 4 hours ago
Test Automation Engineer
Red River Mutual
Winnipeg, MB
Collaborate with business analyst, development and QA teams to understand integration requirements and ensure comprehensive test coverage.
Added 6 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Waterloo, ON
- Full-time
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…
Added 6 hours ago
MA
Oliver Wyman - Software Developer - Data & Analytics (DNA) - Montreal
Marsh Agency
Montreal, QC
- Full-time
Expérience pratique récente avec Python et, idéalement, avec un autre langage serveur (C#, .NET, Java, Rust ou C++).
Added 11 hours ago
OT
Lead UX Developer (React)
Open Text Corporation
Waterloo, ON
- Other
As an experienced Software Developer, your extensive skills beyond the core set listed above (due to previous roles and other technology) can also be an asset and a differentiator.…
Added 12 hours ago
C
Python SDET (Data Validation & API Testing)
CGI
Halifax, NS
- Full-time
Develop and execute automated API, integration, functional, and regression tests.
Added 12 hours ago
AW
Application Development Manager
Agilus Work Solutions
Mississauga, ON
- $140,000 to $155,000 CAD / year
- Full-time
…team responsible for client-facing web applications, APIs, integration services, and enterprise data-processing…
Added 13 hours ago
U
CCAIP (IVR) Integration Developer
UST
Toronto, ON
- Full-time
We are seeking a CCAIP Integration and IVR Developer to architect, build, and maintain seamless integrations between our Google Contact Center AI Platform (CCAIP), IVR flows, and enterprise…
Added 15 hours ago
A
Application Support Analyst
Altis
Kamloops, BC
- $40 to $55 CAD / hour
- Contract
You'll assist with application, service, and integration development while following established Software Development Lifecycle (SDLC) practices.
Added 16 hours ago
SE
Software Engineer
SmartSource Electronics
Mississauga, ON
- Full-time
Proficiency in Software Development and Programming, with experience in at least one modern language (e.g., Java, C#, Python, JavaScript/TypeScript).
Added 17 hours ago
M
Software Engineer - Front End
Microsoft
Vancouver, BC
- Full-time
…analytics in the world of data with products like databases, data integration, big data analytics, messaging & real-time analytics, and business intelligence. The products our portfolio…
Added 17 hours ago
U
Directeur principal, Ingénierie logicielle – WFM / Sr Dir. Software Development - WFM
UKG
Montreal, QC
- Full-time
…développement logiciel agentique, les tests automatisés, l’intégration continue et la livraison continue, l’observabilité, le développement sécurisé et la préparation à la…
Added 17 hours ago
E
RAN System Verification Professional
Ericsson
Ottawa, ON
- Full-time
Contribute to test automation and explore how Python, Java, data analytics, and AI can improve verification efficiency
Added 17 hours ago
U
Directeur principal, Ingénierie logicielle – WFM / Sr Dir. Software Development - WFM
UKG
Montreal, QC
- Full-time
…développement logiciel agentique, les tests automatisés, l’intégration continue et la livraison continue, l’observabilité, le développement sécurisé et la préparation à la…
Added 17 hours ago
V
Architect
Virtusa
Toronto, ON
- Full-time
Integrate automated test runs into continuous integration and continuous deployment pipelines to provide instantaneous feedback on build stability and regression health.
Added 18 hours ago
AI
Senior Java- Low Latency Developer
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Mississauga, ON
- Full-time
Design, develop, test, and maintain enterprise-grade Java applications.
Added 18 hours ago
AI
SENIOR JAVA DEVELOPER – SPRING BOOT, MICROSERVICES, KAFKA & MONGODB
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Mississauga, ON
- Full-time
Design, develop, and maintain Java-based microservices.
Added 19 hours ago
BS
Senior Java Developer (FinTech & Payment Technologies)
Brainhunter Systems Ltd
ON · Ontario, Canada
- Contract
Job Role/Title: Senior Java Developer (Banking Applications Development)
Added 19 hours ago
S
Java/ React Developer
Synechron
Calgary, AB
- Full-time
We are looking for a Java developer to join our team and help deliver key initiatives. The candidate should be a solid Java programmer, with strong design and implementation fundamentals.…
Added 19 hours ago
MC
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL (35729)
Myticas Consulting
Ottawa, ON
- Full-time
…services experience to support complex enterprise applications and integration…
Added 19 hours ago
E
QA Specialist
Entrust
Ottawa, ON
- Full-time
Plan, design, execute, and maintain functional, regression, integration, exploratory, and end-to-end test cases for Entrust software products and customer workflows.
Added 19 hours ago
C
Java/Spring Boot Developer - Vice President
Citi
Mississauga, ON
- Full-time
Join the Equities Middle Office Technology team as a Senior Java/Spring Boot Developer, where you will be a key contributor for managing complex BAU deliverables while driving strategic…
Added 20 hours ago
H
Application Architect SAP BTP FIORI
Hays
Calgary, AB
- Contract
·Must be Experienced in SAP BTP - Cloud Application Programming Model, CPI, SAP UI5 / Fiori, SAP ABAP - OData, SAP Enterprise portal, jQuery, Node.js, JavaScript along with JAVA.
Added 20 hours ago
NC
Software Developer
NAV CANADA
Ottawa, ON
- Full-time
The Software Developer participates in the design, development, integration, testing and maintenance of safety-critical software supporting Air Traffic Management (ATM) systems. The work…
Added 20 hours ago
Z
Software Developer 1
Zynga
Toronto, ON
- $73,900 to $109,360 CAD / year
Implement integration with multiple 3rd-party mobile advertising networks and web services.

Miratech

Senior Java Developer (with LLM expertise)

Waterloo, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: May 4, 2027
Experience: 7+ years of experience designing and implementing large-scale enterprise applications.
Posting language: English
Posted: Nov 5, 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

Lead the design and delivery of Java and Spring Boot microservices, implementing secure, scalable, API-driven systems and event-driven workflows for a banking client. Build and integrate LLM-powered features, RAG and agentic workflows, while promoting AI-assisted engineering and contributing to architecture, security, and deployment practices.

Requirements

Requires at least seven years of experience designing and implementing large-scale enterprise applications, with deep expertise in Java, Spring Boot, APIs, and strong proficiency in Python and LLM technologies. Candidates should also have experience with databases, Kafka, CI/CD, containers, cloud platforms, and application security, plus a bachelor's degree or equivalent practical experience.

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
Remote Work Flexibility
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
SQL
NoSQL
Redis
Docker
Podman
Kubernetes
OpenShift
Azure
CI/CD
Jenkins
GitHub Actions
OAuth2
JWT
GitHub Copilot
Banking

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