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Added 17 hours ago
Test Automation Engineer
Red River Mutual
Winnipeg, MB
As a member of the Quality Assurance team, this position will lead the development and maintenance of test automation frameworks and scripts for Guidewire and other enterprise applications.…
Added 19 hours ago
CC
RQ11844 - Software Developer
CCI- Computer Consultants International, Inc.
Toronto, ON
- Full-time
Demonstrated ability to lead, mentor, and coach developers and technical teams.
Added 19 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 20 hours ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 1 day ago
OT
Lead UX Developer (React)
Open Text Corporation
Waterloo, ON
- Other
…collaboration are key components of our corporate culture. As a Lead UX Developer on the Viewing and Transformation Development team, you will independently design, build, and constantly…
Added 1 day ago
AW
Application Development Manager
Agilus Work Solutions
Mississauga, ON
- $140,000 to $155,000 CAD / year
- Full-time
We're seeking a Web Application Development Manager to lead a growing software development team responsible for client-facing web applications, APIs, integration services, and enterprise…
Added 1 day ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 1 day ago
U
Directeur principal, Ingénierie logicielle – WFM / Sr Dir. Software Development - WFM
UKG
Montreal, QC
- Full-time
Expertise approfondie en Java, applications web, technologies infonuagiques et applications natives d’intelligence artificielle.
Added 1 day ago
U
Directeur principal, Ingénierie logicielle – WFM / Sr Dir. Software Development - WFM
UKG
Montreal, QC
- Full-time
Expertise approfondie en Java, applications web, technologies infonuagiques et applications natives d’intelligence artificielle.
Added 1 day 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 1 day ago
AC
Data Engineer - Snowflake, dbtCore/Cloud, AWS
Aviva Canada
Markham, ON
- Full-time
Data Pipeline Development: Lead the design and implementation of high-performance data pipelines using tools like dbt Core/Cloud, ensuring scalability and maintainability.
Added 1 day ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 1 day ago
LC
Staff Data Engineer - Retail Media Platform
Loblaw Companies Limited
Toronto, ON
- Full-time
Ability to evaluate technical trade-offs, lead design discussions, and influence engineering decisions across teams.
Added 1 day 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 1 day ago
MC
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL (35729)
Myticas Consulting
Ottawa, ON
- Full-time
…issues, contributing to overall QA strategy, and providing technical guidance to other QA…
Added 1 day ago
BP
Senior Java Developer
BNP Paribas
Montreal, QC
- Full-time
You will apply deep Java expertise, make sound technical decisions, mentor engineers, and help establish strong engineering standards for a growing team.
Added 1 day ago
DI
Senior Android Developer
Dawn InfoTek
Toronto, ON
- Contract
For lead-level candidates, experience providing technical guidance, conducting code reviews, mentoring developers, and supporting architectural and technical decision
Added 1 day ago
Data Engineer - Snowflake, dbtCore/Cloud, AWS
Aviva
Markham, ON
Data Pipeline Development: Lead the design and implementation of high-performance data pipelines using tools like dbt Core/Cloud, ensuring scalability and maintainability.
Added 1 day ago
II
Test Lead
ITC Infotech
Vancouver, BC
- $100,000 to $115,000 CAD / year
- Full-time
We are seeking a Test Lead /Sr. SDET at Onsite with strong Test leadership skills and hands-on experience to Data/ETL Testing, Automation Testing and Test leadership activities. The role…
Added 1 day ago
J
Senior Forward Deployed Engineer
Justworks
Toronto, ON
- $167,500 to $235,000 CAD / year
You are a builder. You communicate business impact, not just technical detail. You can sit with a CS lead for an hour and leave with a clear map of the three workflows most worth…
Added 1 day ago
M
RQ11844 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
MuleSoft (middleware) and Java/React (public facing portal)
Added 1 day ago
BC
Data Architect
BrainRidge Consulting
Toronto, ON
- Full-time
We are seeking a visionary and experienced Data Architect to define the data strategy and lead the design and governance of our clients' modern data ecosystems. You will shape the target…
Added 1 day ago
Sr. Data Engineer, WW Pricing Data and Insights
Amazon
Vancouver, BC
As a Senior Data Engineer, you will be a technical lead on the team, leading designs and mentoring engineerings on the team. you will create data models and ML data infrastructure that…
Added 1 day ago
Senior AI Platform Engineer
Scotiabank
Toronto, ON
The Senior AI Platform Software Engineer will lead the design, development, and operation of scalable software platforms that enable enterprise teams to build, deploy, monitor, and govern…
Added 1 day ago
T
Performance Engineering Lead
TD
Mississauga, ON · Toronto, ON
- Full-time
Strategize & lead testing of TD Bank's production like infrastructure with a focus on automation & scale

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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