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Added 2 months ago
Senior Data Engineer
Scotiabank
Toronto, ON
…expertise in Google Cloud Platform (GCP) to join our growing team. In this role, you will be responsible for designing, building, and maintaining scalable data architectures that support…
Added 2 months ago
O
Staff FullStack Engineer, Okta Secures AI
Okta
Toronto, ON
- $160,000 to $220,000 CAD / year
- Full-time
The Okta Secures AI Team is building the future of digital identity management. The way companies are using agents and allowing them access is undergoing a fundamental shift, enabling teams…
Added 2 months ago
Head of Toronto AI Center
Samsung Research America
Toronto, ON
Build, manage, develop, lead, and support the AI research team, with the outcome of high-impact research insights that influence the product roadmap
Added 2 months ago
T
Java Developer, TD Securities
TD
Toronto, ON
- Full-time
The Core Payment team is an exciting, innovative and growing team responsible for creating and enhancing payments shared services like Limit management, Scheduling recuring payments,…
Added 2 months ago
Director - Solution Delivery, Wealth Management
Scotiabank
Toronto, ON
Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture.
Added 2 months ago
Software Engineer, Full-Stack Applications, Associate Director
Fitch Group
Toronto, ON
As a member of our Ratings Technology team, you will work on modern full-stack applications that support core business capabilities, partnering closely with engineers, product managers, and…
Added 2 months ago
O
Staff FullStack Engineer, Okta Secures AI
Okta
Waterloo, ON
- $160,000 to $220,000 CAD / year
- Full-time
The Okta Secures AI Team is building the future of digital identity management. The way companies are using agents and allowing them access is undergoing a fundamental shift, enabling teams…
Added 2 months ago
Lead Software Engineer, Full-Stack Applications - Innovation Teams
Fitch Group
Toronto, ON
Lead Software Engineer, Full-Stack Applications – Innovation Teams
Added 2 months ago
S
Lead Data and AI Engineer
Sanofi
Toronto, ON
- Full-time
Lead, mentor, and develop a team of data engineers while fostering strong engineering practices, accountability, collaboration, and continuous improvement
Added 5 months ago
HI
Project Manager | HRBrain
HRbrain Inc.
Mississauga, ON
- Contract
…frameworks, and systems structure. The successful candidate will lead technical deliveries for large-scale Telecom projects, utilizing both traditional Waterfall and modern Agile…
Added 2 months ago
M
Lead Software Engineer (SDET)
Mastercard
Toronto, ON
- Full-time
Lead Software Engineer (SDET)Who is Mastercard?
Added 1 month ago
PC
SR&ED Technical Advisor, Director
Pwc Canada
Toronto, ON
- Full-time
…analysis and tracking to support clients' business objectives. Our team focuses on creating proactive and value-added programs to enhance client engagement and ensure compliance with…
Added 2 months ago
C
Lead Core Backend Developer
Citi
Mississauga, ON
- Full-time
We are looking for a talented and passionate individual to join our Java Server development team and continue to evolve our next-generation rates reference data application.
Added 2 months ago
C
Senior Java Developer
Citi
Mississauga, ON
- Full-time
We are seeking a highly experienced and motivated Lead Java Developer with 6+ years of industry experience to spearhead the development of robust, scalable, and innovative enterprise…
Added 2 months ago
C
Senior Lead Java Fullstack Software Engineer
Citi
Mississauga, ON
- Full-time
The Applications Development Technology Senior Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in…
Added 2 months ago
P
SR&ED Technical Advisor, Director
PwC
Toronto, ON
- Full-time
…analysis and tracking to support clients' business objectives. Our team focuses on creating proactive and value-added programs to enhance client engagement and ensure compliance with…
Added 2 months ago
JG
Java Technical Lead
J&M Group
Toronto, ON
- Full-time
We are seeking a highly experienced Java Technical Lead with 12+ years of hands-on experience in enterprise application development and production support. The ideal candidate will possess…
Added 2 months ago
E
Cybersecurity Lead
e-STORAGE
Kitchener, ON
- Full-time
We are seeking a highly skilled and motivated Cyber Security Lead to join our team and contribute to the development of on-premises Energy Management System (EMS) for utility grade systems.…
Added 2 months ago
Software Development Engineer III, Agentic Client Experience (ACE) - Builder Foundations
Amazon
Vancouver, BC
You will lead technical design reviews, mentor engineers, and raise the engineering bar across the team. You'll partner directly with applied scientists on measuring adherence and…
Added 2 months ago
Senior Software Engineer, Atlas Search Systems
MongoDB
Toronto, ON
Build and design our integrated search platform, written in Java
Added 2 months ago
E
Staff Engineer - MTS 2 (Integrations)
eBay
Toronto, ON
- Full-time
Lead the technical architecture for a marketplace integration team, from early concept through implementation
Added 3 months ago
C
Java Full Stack Development Lead
CGI
Toronto, ON
- Full-time
…we're still growing! Join Canada's largest IT Company as a "Java Full Stack Development Lead" in our Banking Services…
Added 2 months ago
C
Senior Software Engineering Specialist
CGI
Toronto, ON
- Full-time
CGI is seeking an experienced Senior Software Engineering Specialist to join our growing Software Engineering consulting practice within the Emerging Technologies team.
Added 2 months ago
CM
Associate Software Engineer
Canon Medical Informatics
Waterloo, ON
- Full-time
…every service we provide, and especially each member of our team. As part of Canon Medical Systems Corporation, we lead the industry with the latest health imaging informatics solutions.…
Added 2 months ago
A
Staff Software Engineer - Full Stack AI (Bangkok based, Relocation provided)
Agoda
Vancouver, BC
- Full-time
Today, we are part of Booking Holdings [NASDAQ: BKNG], with a diverse team of over 7,000 people from 90 countries, working together in offices around the globe. Every day, we connect people…

J&M Group

Java Technical Lead

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Feb 9, 2027
Posting language: English
Posted: Aug 13, 2026

Original job description

We are seeking a highly experienced Java Technical Lead with 12+ years of hands-on experience in enterprise application development and production support. The ideal candidate will possess strong expertise in Java technologies, enterprise application support, SSL/TLS security, SOAP and REST services, Unix/Linux environments, database troubleshooting, and technical leadership. This role requires ownership of mission-critical applications and the ability to guide teams through complex technical and production challenges.

Key Responsibilities

Lead the development, maintenance, and support of enterprise applications.

Provide technical leadership and mentorship to development and support teams.

Support mission-critical applications in complex enterprise environments.

Manage production support activities, including incident triage, root cause analysis, and issue resolution.

Ensure end-to-end operational ownership of applications and services.

Debug, enhance, and optimize legacy Java applications.

Support and troubleshoot batch-intensive processing environments.

Execute and troubleshoot shell scripts, database procedures, and queries.

Design and document technical, logical, sequence, and architecture diagrams.

Collaborate with development, infrastructure, and support teams to resolve complex issues.

Ensure application stability, performance, scalability, and security.

Required Skills

Java & Framework Expertise

Strong Hands-on Experience With:

Java 8

Java 17

Solid experience with Spring Framework (legacy applications).

Ability to debug, enhance, and optimize legacy Java codebases.

Security & SSL

In-depth knowledge of SSL/TLS concepts.

Strong Hands-on Experience With:

Server Certificates
Client Certificates
CA Certificates
Keystores
Truststores

Experience with SSL configuration and troubleshooting in enterprise applications.

Service Technologies

Strong expertise in SOAP Web Services.

Deep Understanding Of RESTful Services, Including:

JAX-RS
Jersey
Modern REST architectures

Strong understanding of service design, integration, and backward compatibility.

Application Support & Batch Processing

Extensive production support experience.

Strong Knowledge Of:

Incident management
Root cause analysis
Problem resolution
Operational support processes

Experience Supporting Batch-intensive Environments, Including:

Job scheduling
Monitoring
Troubleshooting
High-volume batch processing

Database Skills

Strong SQL and database fundamentals.

Experience With:

Stored procedures
Query optimization
Database performance tuning
Database troubleshooting

Unix/Linux & Scripting

Strong Unix/Linux administration and troubleshooting skills.

Hands-on Experience With:

Shell Scripting
Korn Shell (KSH)
AWK
Perl

Architecture & Technical Design

Ability To Create And Maintain:

Technical Diagrams
Logical Diagrams
Sequence Diagrams
Architecture Diagrams

Ability to clearly document system flows, integrations, dependencies, and technical designs.

Leadership & Collaboration

Proven technical leadership experience in enterprise environments.

Ability to mentor and guide team members through complex production issues.

Strong collaboration skills across development, support, QA, infrastructure, and business teams.

Capability to remove technical roadblocks and drive resolution of critical issues.

Preferred Skills

Experience working in Agile/Scrum environments.

Exposure to large-scale enterprise application support models.

Experience managing and supporting highly integrated systems.

Apply About employer

More about this job

Responsibilities

Lead the development and maintenance of mission-critical enterprise Java applications while providing technical mentorship to teams. Manage production support activities including incident triage, root cause analysis, and system optimization.

Requirements

Requires over 12 years of experience in Java development, with deep expertise in SSL/TLS security, SOAP/REST services, and Unix/Linux environments. Candidates must be proficient in database troubleshooting and capable of creating complex technical architecture diagrams.

Skills

Java 8
Java 17
Spring Framework
SSL/TLS
SOAP
REST
Unix/Linux
Shell Scripting
SQL
Incident Management
Root Cause Analysis
Batch Processing
Technical Architecture
Technical Leadership
JAX-RS
Jersey

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Framework
SSL
TLS
SOAP
REST
JAX-RS
Jersey
Unix
Linux
KSH
AWK
Perl
SQL
Stored Procedures
Batch Processing
Incident Management
Root Cause Analysis
Technical Design
Architecture Diagrams
Production Support
Agile
Scrum
IT Consulting
Software Engineering
Performance Tuning
Scalability
Security
Operational Ownership

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