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Astra North Infoteck Inc.
Lead Java Application Support EngineerAstra North Infoteck Inc. • Toronto, Ontario, Canada
Lead Java Application Support Engineer

Lead Java Application Support Engineer

Astra North Infoteck Inc. • Toronto, Ontario, Canada
22 days ago
Salary
CA$10.00 hourly
Job type
  • Full-time
Job description

Role Summary

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.




Required Skills:

60-70


Required Education:

Backend Engineer Kotlin Microservices & AKSRole Overview:We are seeking a highly skilled backend developer with strong experience in modern programming languages and frameworks with primary expertise in Kotlin and exposure to Java microservices and cloud Skills:Proficiency in Kotlin with additional experience in Java (Spring Boot Spring Security) and JavaScript () 5 years of backend development experience including: oUnit testing frameworks (e.g.


Employment Type : Full Time
Experience: years
Vacancy: 1
Monthly Salary Salary: 10 - 10
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Lead Java Application Support Engineer • Toronto, Ontario, Canada

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