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Added 25 mins ago
MA
Support Specialist - AI Applications
Marsh Agency
Toronto, ON
- Full-time
…experience with one or more of: MEAN/MEARN stack, PostgreSQL, MS SQL Server, APIs (REST/JSON/GraphQL), Postman/Bruno, and GitHub; scripting knowledge of…
Added 25 mins ago
MA
Senior IT Business Analyst (Insurance)
Marsh Agency
Toronto, ON
- Full-time
…manipulation, extraction, merging abilities, and working knowledge of SQL and database…
Added 25 mins ago
MA
Oliver Wyman - Sr. Analyst, Associate Team Lead; Team Lead; Director-Data and Analytics (DNA) - Toronto
Marsh Agency
Toronto, ON
- Full-time
Experience in using advanced analytics and data manipulation software - R, Python, SAS, SQL, or SPSS.
Added 1 hour 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 1 hour ago
MA
Marsh People and Investments - Strategic Implementation Co-Op - Toronto - Winter 2027
Marsh Agency
Toronto, ON
- Contract
Working understanding of SQL, relational data structures, and structured data analysis.
Added 1 hour ago
MA
SVP, Actuary
Marsh Agency
Toronto, ON
- Full-time
Coding experience in programming languages (i.e. Alteryx, R, Python, VBA, SQL)
Added 1 hour ago
MA
Oliver Wyman - Software Developer - Data & Analytics (DNA) - Montreal
Marsh Agency
Montreal, QC
- Full-time
Bonne compréhension de l’écosystème connexe : API et intégrations, SQL, contrôle de versions, CI/CD, ainsi que les considérations liées à la sécurité et aux accès lorsqu’une solution est…
Added 2 hours ago
BC
AI Engineer
BDO Canada
Toronto, ON
- Full-time
Experience working with vector databases as well as SQL and NoSQL data stores, and hands‑on exposure to cloud platforms such as Azure AI / AI Foundry, AWS Bedrock, or Google Cloud Platform…
Added 2 hours ago
S
Analyste commerciale // Business Analyst
SSENSE
Montreal, QC
- Full-time
Maîtrise de la rédaction, de l'optimisation et de la maintenance de requêtes SQL complexes à partir de zéro (y compris les jointures entre plusieurs tables, les agrégations et la…
Added 2 hours ago
NB
Senior Market Intelligence Advisor Insurance
National Bank of Canada
Montreal, QC
- Full-time
Knowledge of Power BI, SQL or similar analytical tools is considered an asset.
Added 2 hours ago
NB
Analyst or Associate Financial Resource Management
National Bank of Canada
Montreal, QC
- Full-time
Programming skills (e.g., Python, SQL) or willingness to learn is an asset
Added 2 hours ago
NB
Senior Advisor Operational Risk Management
National Bank of Canada
Montreal, QC
- Full-time
Proficiency with data analytics tools such as Power BI, SQL, or comparable platforms.
Added 2 hours ago
RB
Analyst, Risk
Rogers Bank
Toronto, ON
- Full-time
Knowledge of Experian Strategy Design Studio, Modeling software (Alteryx, Knowledge Seeker), data mining coding (SQL, Python,
Added 3 hours ago
R
Deployed Engineer
Randox
Toronto, ON
- $80,000 to $130,000 CAD / year
- Full-time
Experience using SQL Server or similar relational database.
Added 4 hours ago
OH
Manager, Revenue Growth Management
Organika Health Products
Vancouver, BC
- Full-time
Hands-on skill with Excel and BI tools; experience with retailer POS, syndicated data and TPM/TPO platforms. Circana/NielsenIQ, Power BI and SQL exposure are assets.
Added 6 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 7 hours ago
C
Python SDET (Data Validation & API Testing)
CGI
Halifax, NS
- Full-time
…solutions with a strong focus on Python programming, advanced SQL, API testing, and complex data validation. You will work with large datasets and enterprise applications to ensure data…

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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