Markham, On Sr. java developer with tuning experience Jobs – 31 Openings This Week

PL/SQL Developer
CMiC —Toronto, ON
- $70,000–$115,000 a year
- Full-time
- Hybrid work
- Oracle
- Java
- SQL
- Wellness program
- Dental care
Quick apply
Senior Java Developer
Cognizant —Toronto, ON
- $69,750–$110,500 a year
- Full-time
- Hybrid work
- DevOps
- Java
- Business
Senior Java Developer
Finastra —Markham, ON
- $90,000–$115,000 a year
- Full-time
- Oracle
- DevOps
- Java
- Disability insurance
- Paid time off
Senior Java Microservices Developer (Spring Boot / Kafka)
Cognizant —Toronto, ON
- $115,500–$135,500 a year
- Full-time
- Hybrid work
- Java
- SQL
- Business
13d
Sr. Java Developer
Cognizant —Toronto, ON
- $85,000–$135,000 a year
- Full-time
- Hybrid work
- Java
- Databases
- SQL
13d
Senior Full Stack Developer – SQL, Database performance tuning, Copilot, Capital markets, Wealth Man
APPTOZA INC. —Toronto, ON
- $50–$55 an hour
- Hybrid work
- Oracle
- Java
- Databases
Quick apply
12d
Senior Database Java Developer
Alert Driving —North York, ON
- Full-time
- Computer Science
- Engineering
- Java
Quick apply
Senior Specialist - Software Engineering
LTIMindtree —Markham, ON
- $110,000–$120,000 a year
- Oracle
- DevOps
- Java
- Disability insurance
- Dental care
Quick apply
Fullstack Java Developer
Tata Consultancy Services —Toronto, ON
- Oracle
- DevOps
- Java
Software Developer
Softline Technology —Toronto, ON
- Contract
- Oracle
- Java
- Databases
1d
Senior Developer – Java
Cognizant —Toronto, ON
- $61,650–$91,000 a year
- Full-time
- Hybrid work
- Oracle
- DevOps
- Java
6d
Senior Software Engineer - Java Streaming - Connectors
ClickHouse —Toronto, ON
- Remote
- Java
- Databases
- SQL
- Paid time off
8h
RQ10841 - Sr. Software Developer - Full Stack
Source Code —Toronto, ON
- $72.14–$108.22 an hour
- Full-time
- Oracle
- DevOps
- Java
Quick apply
5d
Consultant, Back End Developer
CIBC —Toronto, ON
- Full-time
- Azure
- Oracle
- Java
4d
RQ10808 - 3 x Sr. Software Developer
Source Code —Toronto, ON
- Full-time
- Oracle
- Java
- Databases
Quick apply
Senior Oracle Developer
RAENAN CONSULTANCY INC. —Toronto, ON
- $140,000–$150,000 a year
- Full-time
- Hybrid work
- Oracle
- ERP systems
- Java
Quick apply
11d
Senior Software Developer
Interac Corp. —Toronto, ON
- $120,000–$150,000 a year
- Full-time
- Hybrid work
- Oracle
- Computer Science
- Java
RQ09943 - Sr. Software Developer - Full Stack
Source Code —Toronto, ON
- Full-time
- Azure
- Oracle
- DevOps
Quick apply
Senior Integration Engineer (Future oppourtunity)
GFL Environmental —Vaughan, ON
- DevOps
- Java
- Databases
RQ10542 - Sr. Software Developer
Source Code —Toronto, ON
- Full-time
- Azure
- Oracle
- Java
Quick apply

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PL/SQL Developer

CMiC -
Toronto, ON

Quick apply

Job details

Full-time
$70,000–$115,000 a year

Qualifications

Spring Boot
CI/CD
Authentication
Performance tuning
Oracle
XML
Database development
Git
Java
SQL
OOP
Analysis skills
REST
Scrum
GitHub
APIs
Agile
JSON
Business requirements
PL/SQL
Jenkins
Communication skills
Spring framework

Full job description

About CMiC

Headquartered in Toronto, CMiC is a software company focused on the Construction industry. We have built a comprehensive platform for construction companies to manage their most important workflows. Our customers have their choice of a SaaS or Private Hosted platform that includes industry focused modules to manage everything from Financials and Payroll to Project Management and Budgeting. Our market share is very strong in North America and rapidly expanding internationally in regions like Europe, Southeast Asia and the Middle East.

Job Overview

We are seeking a Back-End Developer with deep expertise in Oracle PL/SQL and experience in Java-based REST API development. This role will focus primarily on database development with additional responsibilities in API development and integration. Strong analytical thinking and problem-solving skills are essential to succeed in this role.

Important Information:

The overall hiring salary range for this position from Intermediate to Senior level, is $70,000 to $115,000 annually
This position is for an existing vacancy
We do not use AI to screen, assess, or select applicants

Duties & Responsibilities

Oracle / PL-SQL

Advanced PL/SQL development (packages, procedures, functions, triggers)
Strong SQL skills (complex joins, subqueries, performance tuning)
Query optimization and execution plan analysis
Data modeling (normalized/denormalized schemas)
Bulk processing and efficient data handling techniques
Use of Oracle development tools (PL-SQL Developer, TOAD, SQL*Plus)
Error handling, exception management, and logging
Working with large datasets and high-volume transactional systems

API Development

Object oriented programming
Java programming
RESTful API design and implementation
Java backend development (Java 8+ preferred)
Spring / Spring Boot framework (Nice to have)
API documentation (Swagger/OpenAPI)
JSON/XML data handling
Secure API development (OAuth2, JWT, basic authentication)

Nice to Have

IntelliJ experience
Oracle JDeveloper experience
CI/CD pipelines (Jenkins, GitHub Actions)
Database design principles and data architecture
Transaction management and concurrency control
API lifecycle management and versioning strategies
Software development lifecycle (SDLC)
Secure coding practices
Data integrity and validation techniques
Version control systems (Git)

Requirements

3–7+ years in backend development
Significant hands-on experience with Oracle database development
Proven experience developing and maintaining PL/SQL code in enterprise environments
Experience building and consuming REST APIs in Java
Exposure to system integration across multiple applications
Experience in performance tuning and troubleshooting production issues
Working in Agile/Scrum environments

Analytical Skills

Strong problem-solving and root-cause analysis abilities
Ability to analyze complex data flows and system dependencies
Debugging and troubleshooting complex database and API issues
Translating business requirements into efficient technical solutions
Identifying performance bottlenecks and optimizing solutions
Data-driven decision-making mindset

Attitudes and Aptitudes

Detail-oriented, especially with data accuracy and integrity
Ownership mindset with accountability for deliverables
Continuous learning (especially evolving database and API technologies)
Proactive in identifying issues and proposing improvements
Collaborative team player with good communication skills
Adaptable to changing priorities and requirements
Quality-focused with emphasis on maintainability and scalability
Logical reasoning and structured thinking
Strong attention to detail (critical for database work)
Ability to work with abstract data models and complex logic
Capability to manage both deep backend processing and API layers

Benefits

Competitive benefits Package (including Health & Dental benefits)
Paid vacation and personal days
Townhall meetings where all employees are encouraged to participate in open discussions
Located on York University’s campus, easily accessible by transit (TTC, GO, etc.), walking distance to shopping and restaurants
Outdoor lunch space, including picnic tables
An active Social Events Committee (past events include annual seasonal parties, pool and bowling tournaments, karaoke nights, Game nights, BBQ’s, and more)
Health and Wellness focus including virtual yoga classes and wellness webinars
RRSP Matching Program after 2 years of employment
Experience in a rapidly growing, socially responsible corporation

CMiC is an Equal Opportunity Employer. In accordance with the Accessibility for Ontarians with Disabilities Act, 2005 and the Ontario Human Rights Code, CMiC will provide accommodation to applicants with disabilities throughout the recruitment, selection and/or assessment process. If selected to participate in the recruitment, selection and/or assessment process, please inform Human Resources staff of the nature of any accommodation(s) that you may require.

Quick apply

Refine Your Search

sr. java developer with tuning experience jobs in markham, on

PL/SQL Developer

Senior Java Developer

Senior Java Developer

Senior Java Microservices Developer (Spring Boot / Kafka)

Sr. Java Developer

Senior Full Stack Developer – SQL, Database performance tuning, Copilot, Capital markets, Wealth Man

Senior Database Java Developer

Senior Specialist - Software Engineering

Fullstack Java Developer

Software Developer

Senior Developer – Java

Senior Software Engineer - Java Streaming - Connectors

RQ10841 - Sr. Software Developer - Full Stack

Consultant, Back End Developer

RQ10808 - 3 x Sr. Software Developer

Senior Oracle Developer

Senior Software Developer

RQ09943 - Sr. Software Developer - Full Stack

Senior Integration Engineer (Future oppourtunity)

RQ10542 - Sr. Software Developer

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