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Added 2 days ago
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Core Network as a Service Test Developer
Ericsson
Ottawa, ON
- Full-time
Ericsson 5G core business has launched an innovative and highly dynamic unit that changes how we bring 5G solutions to the market, thus changing the way 5G core is delivered globally. We…
Added 2 days ago
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Spark Developer (With Java)
Capgemini
Mississauga, ON
- Full-time
We are seeking a highly skilled Spark Developer with strong Java expertise to design, develop, and optimize large-scale data processing applications. The ideal candidate will have hands-on…
Added 2 days ago
KG
Java Developer | | Virtual Drive
K&K Global Talent Solutions INC.
Mississauga, ON
- Full-time
We are seeking an experienced Java Developer with strong expertise in enterprise application development, microservices architecture, API development, and distributed systems. The candidate…
Added 2 days ago
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Application Development
Axelon Services Corporation
Montreal, QC
- $65.52 USD / hour
- Other
Minimum 5 years of experience in Core Java application development.
Added 2 days ago
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VP Senior Software Engineer
Citi
Mississauga, ON
- Full-time
Proficient in core software development technologies including Java 8+, message queues, RDBMS and REST APIs
Added 2 days ago
LT
Dotnet Developer
Lorven Technologies Inc.
ON · Ontario, Canada
- Contract
Leverage AI developer tools (e.g., GitHub Copilot, Claude, Cursor) effectively to accelerate development and improve engineering output.
Added 2 days ago
TD
Software Engineering Intern/Co-op (Canada) - Summer 2027
TELUS Digital
Remote, Canada
- $33 CAD / hour
- Internship
- Remote
…Europe, and APAC, we offer end-to-end expertise across eight core service areas: Digital Product Consulting, Digital Marketing Services, Data & AI, Strategy Consulting, Business Operations…
Added 2 days ago
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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
AI
Software Engineer with Core Java, Apache Spark & Python,
Apptoza Inc.
Montreal, QC
- Full-time
Role: Software Engineer with Core Java, Apache Spark, Python, SQL, and Linux experience
Added 2 days ago
AI
Full Stack Engineer
Apptoza Inc.
Toronto, ON
- Contract
Seeking an experienced Full Stack Developer with expertise in Java, Spring Boot, and Angular/React.js to develop secure, scalable applications for banking and financial services.
Added 2 days ago
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Développeur DevOps principal
Moneris
Quebec, QC
- Full-time
Connaissance d’un langage backend fortement typé (.NET Core, C# ou Java).
Added 2 days ago
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Consultant Data Developer
CIBC
Toronto, ON
- Full-time
You’ll be joining CIBC’s Finance Technology team in Enterprise Technology. As the a Consultant, Data Developer, you’ll be at the heart of CIBC’s Finance Modernization initiative providing…
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
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Associate Director, Lead Developer (Java)
RBC
Toronto, ON
- Full-time
Provides information on the detailed technical design and development of applications using JAVA, and existing and emerging technology platforms. Applies experience and seasoned knowledge,…
Added 2 days ago
ZC
Full Stack Developer (Java/JavaScript)
Ztek Consulting
Montreal, QC
- Full-time
I would like to share an excellent opening Contact “Full Stack Developer (Java/JavaScript) do go through the details and kindly send me the updated resume.
Added 2 days ago
AT
AI Engineer
Altitude Technology Solutions Inc
Toronto, ON
- Contract
5+ years of software development in one or more languages (Python, C/C++, Go, Java); strong hands-on experience building and maintaining large-scale Python applications preferred.
Added 2 days ago
ZS
Java Developer
Zodiac Solutions, Inc
Mississauga, ON
- Full-time
Strong proficiency in Core Java (Java 8/11/17).
Added 2 days ago
MM
Oliver Wyman - Software Developer - Data & Analytics (DNA) - Montreal
Marsh McLennan
Montreal, QC
- Full-time
· Expérience pratique récente avec Python et, idéalement, avec un autre langage serveur (C#, .NET, Java, Rust ou C++).
Added 2 days ago
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Digital S/W Engineering Product Lead Analyst, Vice President
Citi
Mississauga, ON
- Full-time
Partner with Enterprise Architecture, Information Security, and Core Engineering teams to design resilient, scalable, and secure API integrations, webhooks, event-driven pipelines, and data…
Added 2 days ago
NI
Angular Developer
Nityo Infotech
Toronto, ON
- Full-time
Working knowledge of backend frameworks like Java Spring Boot or .NET Core
Added 2 days ago
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Senior Java Developer (with LLM expertise)
Miratech
Toronto, 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 2 days ago
M
Senior Java Developer (with LLM expertise)
Miratech
Toronto, 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 2 days ago
RB
Senior Manager, Engineer & Build
Royal Bank of Canada
Toronto, ON
- Full-time
Technology focus: Snowflake, Spark, dbt, Airflow, Python/Scala/Java, OpenShift/Kubernetes, and public cloud (e.g., AWS).
Added 2 days ago
M
Software Engineer II
Microsoft
Vancouver, BC
- Full-time
As a Software Engineer II on the Excel Agent team, you will help design, build, and ship features that combine Excel’s core capabilities with agentic AI. You will own feature…
Added 2 days ago
M
Software Engineer II
Microsoft
Vancouver, BC
- Full-time
As a Software Engineer II on the Excel Agent team, you will help design, build, and ship features that combine Excel’s core capabilities with agentic AI. You will own feature…

Miratech

Senior Java Developer (with LLM expertise)

Toronto, ON, Canada

Full-time

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Job details

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

Original job description

Company 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/Spring Boot microservices and integrate LLM-powered features into core banking systems. Implement agentic workflows and ensure robust, scalable, and secure API-driven ecosystems.

Requirements

Requires 7+ years of experience in large-scale enterprise application development with deep expertise in Java, Spring Boot, and LLM orchestration frameworks. Candidates must possess strong proficiency in cloud-native deployments, containerization, and modern security standards.

Skills

Java
Spring Boot
LLM
Microservices
Python
LangChain
LlamaIndex
Vector databases
Kafka
Docker
Kubernetes
OpenShift
Azure
CI/CD
OAuth2
JWT

Benefits

Health insurance
Relocation program
Professional development opportunities
Certification programs
Mentorship programs
Talent investment programs
Internal mobility
Internship opportunities

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
LLM
Microservices
GenAI
Python
LangChain
LlamaIndex
Vector databases
Kafka
Docker
Kubernetes
OpenShift
Azure
CI/CD
OAuth2
JWT
RAG
API-first
Event-driven
Cloud-native
Observability
Prompt engineering
GitHub Copilot
Banking
Financial services
Agile
Scrum
DevSecOps
Infrastructure as Code

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