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Added 2 months ago
Lead Software Engineer, Full-Stack Applications - Innovation Teams
Fitch Group
Toronto, ON
Lead through innovation and influence – Partner with product visionaries, senior stakeholders, and cross-functional teams to translate ambitious ideas into elegant technical solutions;…
Added 2 months ago
S
Lead Data and AI Engineer
Sanofi
Toronto, ON
- Full-time
Lead discovery, solution design, and technical planning discussions with business, analytics, AI, and technology teams
Added 5 months ago
HI
Project Manager | HRBrain
HRbrain Inc.
Mississauga, ON
- Contract
…sector. This role is ideal for a visionary leader who blends technical prowess with an in-depth understanding of telecom infrastructure, architectural frameworks, and systems structure. The…
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
Lead the completion of SR&ED claims (Canada) and R&D tax credit claims (US).
Added 2 months ago
JG
Dev Lead
J&M Group
Toronto, ON
- Contract
We are hiring a Dev Lead with strong expertise in application development and maintenance, with hands-on experience in Java/J2EE, Spring Boot, REST APIs, Microservices, AWS, and NodeJS. The…
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
P
SR&ED Technical Advisor, Director
PwC
Toronto, ON
- Full-time
Lead the completion of SR&ED claims (Canada) and R&D tax credit claims (US).
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 1 month ago
Senior Software Engineer, Atlas Search Systems
MongoDB
Toronto, ON
Excellent verbal and written technical communication skills; enthusiasm for collaborating closely with colleagues and mentoring other engineers
Added 2 months ago
E
Staff Engineer - MTS 2 (Integrations)
eBay
Toronto, ON
- Full-time
This is a highly hands-on technical leadership role for an experienced backend engineer who can define architecture, write production code, and drive execution in a fast-moving, ambiguous…
Added 2 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
Lead technical design sessions, perform peer code reviews, and advocate for coding standards and test-driven development (TDD).
Added 2 months ago
RC
Oracle CC&B Techno-Functional Senior Consultant - Canada
Red Clay Consulting
Remote, Canada
- Full-time
- Remote
Collaborate with the Red Clay Lead and Project Manager to support client in identifying, quantifying, and prioritizing enhancements for backlog refinement
Added 2 months ago
CM
Associate Software Engineer
Canon Medical Informatics
Waterloo, ON
- Full-time
…features, while receiving mentorship that helps you strengthen your technical skills, grow your confidence, and learn how high-quality healthcare software is developed. The team’s work is…
Added 2 months ago
A
Staff Software Engineer - Full Stack AI (Bangkok based, Relocation provided)
Agoda
Vancouver, BC
- Full-time
Lead full-stack architecture and system design for features used by millions of customers
Added 2 months ago
C
Senior Platform Engineering Specialist
CGI
Toronto, ON
- Full-time
…reusable engineering assets, and continuously developing your technical and consulting…
Added 2 months ago
C
Senior Data Platform Engineering Specialist
CGI
Toronto, ON
- Full-time
…contributing to reusable data assets, and continuously developing your technical and consulting…
Added 2 months ago
C
Senior Full Stack Developer
CGI
Toronto, ON
- Full-time
Code Quality & Architecture: Lead technical design sessions, perform peer code reviews, advocate for Test-Driven Development (TDD), and apply Domain-Driven Design (DDD) and event-driven…
Added 2 months ago
B
MarTech Developer
BrainStation
Toronto, ON
- $90,000 to $120,000 USD / year
- Full-time
Build scalable solutions that support lead generation, customer engagement, personalization, and marketing measurement initiatives
Added 2 months ago
QF
Principal Software Engineer, Money Movement (Questbank)
Questrade Financial Group
Toronto, ON · North York, ON
- Full-time
This is also one of the first engineering roles at the Bank designed around an AI-driven SDLC. You lead a squad of AI agents covering architecture, development, QA, and tech lead functions,…
Added 1 month ago
Staff Backend Engineer, Passwordless
Okta
Toronto, ON
A strong grasp of architectural patterns for scalability, reliability, and security, with the ability to lead technical design discussions and make informed trade-offs.
Added 2 months ago
C
Quality Assurance Architect (*18 Month Contract*)
CAPREIT
Toronto, ON
- Other
Position Summary: We are seeking a Quality Assurance (QA) Architect to lead the design, implementation, and coordination of enterprise-wide testing strategies. This role is critical in…

J&M Group

Java Technical Lead

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

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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