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Added 6 days ago
C
Consultant, Backend Developer
CIBC
Toronto, ON
- Full-time
You can demonstrate 3 plus years of experience in Java/J2EE, Spring/Spring boot, Web Services (SOAP, JSON and RESTFul). Proven and solid hands-on experience of a minimum of 3+ years in…
Added 6 days ago
M
RQ11255 - Systems Testing/QA Specialist - Senior
Maarut
Toronto, ON
- Contract
Added 6 days ago
KG
PKI & Certificate Automation Engineer
K&K Global Talent Solutions INC.
ON · Ontario, Canada
- Full-time
Work closely with Java Spring Boot application teams to support secure certificate integration requirements.
Added 6 days ago
RC
ForgeRock Developer
Realtek Consulting LLC
Montreal, QC
- Contract
We are seeking a highly skilled ForgeRock Developer with expertise in Identity and Access Management (IAM) solutions. The ideal candidate will be responsible for designing, developing,…
Added 6 days ago
H
Software Engineer – Platform Security & Modernization
HCLTech
Montreal, QC
- $85,000 to $90,000 CAD / year
- Full-time
Strong programming skills in Java; Java 17 or later is preferred.
Added 6 days ago
S
Senior Software Engineer, Backend - Fraud Prevention
Sardine
Remote, Canada
- $180,000 to $206,000 CAD / year
- Full-time
- Remote
Added 6 days ago
SI
Full Stack Developer
Spait Infotech
Canada
- Full-time
Backend: Node.js, Express.js, Java, Python, or another backend technology.
Added 6 days ago
2I
Senior Software Developer - Full Stack
2iSolutions Inc.
Toronto, ON
- Contract
Our Toronto-based client is hiring a Senior Full Stack Software Developer for an 11-month onsite contract.
Added 6 days ago
E
Application Monitoring Specialist
Experis
Mississauga, ON
- $55 to $65 CAD / hour
- Contract
Experience with scripting languages such as Bash, Python, Java, or PowerShell.
Added 6 days ago
IC
Sr. Java Deveoper
IT Connex
Toronto, ON · Greater Toronto Area, Canada
- Contract
Our client is seeking a Core Java Engineer with an expertise in big data processing, particularly within the TechFin industry. Candidate should have experience working with financial…
Added 6 days ago
TC
Senior Application Developer
Tata Consultancy Services
Toronto, ON · Greater Toronto Area, Canada
- $90,000 to $100,000 CAD / year
- Full-time
Design, develop, and maintain scalable backend applications using Java and Quarkus
Added 6 days ago
Junior Full stack Developer (Front End Focus)
Scotiabank
Toronto, ON
Familiar with languages, frameworks, and databases (such as Java/Spring, Node.js/Express.js, Python, MySQL,PostgreSQL, MongoDB, DB2)
Added 6 days ago
Senior Crypto Engineer
Scotiabank
Toronto, ON
Hands-on technical working experience in programming languages such as (by not limited to) Java, bash, and PowerShell.
Added 6 days ago
C
Java Software Engineer
Collabera
Mississauga, ON
- $65 to $80 USD / hour
- Full-time
We are looking for a Senior Java Developer with 5 to 10+ years of experience in Java development. The candidate should have strong experience building distributed, service-oriented,…
Added 6 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Server-side languages: C#/.NET, Java, Python, PHP
Added 6 days ago
B
Junior Java Developer
BullTechSystem
Canada
- Contract
Minimum 3 years of hands-on experience in Java development.
Added 6 days ago
HS
Senior Java Software Engineer
Henry Schein One Canada
Surrey, BC
- Full-time
Strong experience with Java and modern object-oriented software development
Added 6 days ago
T
Guidewire Technical Lead (PolicyCenter)
TEKsystems
Toronto, ON
- $105 to $115 CAD / hour
- Contract
Develop and maintain Guidewire integrations using GOSU, Java, XML, APIs, and messaging frameworks.
Added 6 days ago
N
Sr. Software Engineer
Nascent
Toronto, ON
- Full-time
You have proven expertise in multiple modern languages (Typescript/JavaScript, Swift, Kotlin, Java, C#) across platforms like web, iOS and Android, and have built with React, Next.js, React…
Added 6 days ago
HB
Graduate Quant Developer / Quantitative Researcher - Competitive First Year Comp - Montreal (Hybrid)
Hunter Bond
Montreal, QC
- Full-time
Role: Graduate Quant Developer / Quantitative Researcher
Added 6 days ago
G
Senior Quality Assurance Automation Engineer
GryphTech
Mississauga, ON
- Full-time
Experience with at least one programming language, such as JavaScript/TypeScript, Java, or Python.
Added 6 days ago
M
RQ11738 - Software Developer - Full Stack - Senior
Maarut
Toronto, ON
- Contract
ministry partners, the Senior Software Developer – Full Stack converts approved
Added 6 days ago
M
RQ11739 - Software Developer - Full Stack - Senior
Maarut
Toronto, ON
- Contract
ministry partners, the Senior Software Developer – Full Stack converts approved
Added 6 days ago
Application Specialist
Bell
Toronto, ON
Proficient in programming and scripting languages (e.g., Java, JavaScript, SQL)
Added 6 days ago
BS
Senior Java Developer (FinTech & Payment Technologies)
Brainhunter Systems Ltd
ON · Ontario, Canada
- Contract
Job Role/Title: Senior Java Developer (Banking Applications Development)

Maarut

RQ11738 - Software Developer - Full Stack - Senior

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Posting language: English
Posted: Oct 26, 2026

Original job description

Description:

Designs, develops, integrates, tests, deploys, and maintains enterprise platform capabilities across the user-interface, service, API, workflow, integration, and data-access layers. The role builds reusable platform services that can support multiple government programs, while also implementing the service-specific connections required to onboard registries, permitting, forms, payments, notifications, documents, identity, and other business-facing functions. Working with architects, product managers, analysts, UX designers, QA specialists, DevOps engineers, security and privacy teams, and ministry partners, the Senior Software Developer – Full Stack converts approved designs and requirements into secure, scalable, observable, and maintainable software. The role provides technical leadership through design input, estimation, code review, automated testing, troubleshooting, documentation, mentoring, and production support, helping ensure the platform remains stable while evolving through frequent releases and new integrations.

Experience:

Ten or more years of experience designing and developing large-scale, multi-client web applications, or an equivalent depth of senior development experience.
Extensive hands-on Java development experience with Oracle, SQL, or comparable relational database technologies.
Significant experience designing and developing REST APIs and RESTful web services.
Experience translating technical system specifications into working, tested applications, including detailed programming specifications, code development, compilation, debugging, documentation, maintenance, and unit testing.
Knowledge and experience with microservice architecture and applying core architecture principles to improve extensibility and maintainability.
Experience with object-oriented coding practices, current design patterns, refactoring, clean code, and structured development methodologies.
Experience developing Internet-ready applications and using rapid application development or Agile delivery approaches.
Experience with relational and hierarchical database technologies, query languages, SQL tuning, and data-access components.
Experience with security gateways and protocols such as JSON Web Tokens, OAuth 2.0, and SSL certificates.
Experience with middleware, gateways, communications protocols, enterprise integrations, and data migration or conversion activities.
Experience using Azure DevOps or comparable tools for work management, source control, build, testing, and deployment pipelines.
Experience conducting design walkthroughs, code reviews, impact assessments, and technical troubleshooting.
Experience eliciting and documenting information from diverse business stakeholders, subject-matter experts, architects, and other IT professionals.
Experience providing implementation, conversion, migration, and post-implementation support for complex applications.

General Skills / Duties:

Translate approved technical system specifications into working, tested, secure, and maintainable enterprise platform applications.
Develop detailed programming specifications and design, write, generate, compile, debug, document, maintain, and unit test application code.
Design and develop frontend, backend, API, integration, workflow, middleware, and data-access components using approved patterns and standards.
Build and maintain Java-based microservices, REST APIs, RESTful web services, Internet-ready applications, and reusable platform services.
Develop and maintain database objects, queries, data transformations, conversion routines, and integration components using relational or hierarchical database technologies.
Implement security gateways and protocols, including identity, access, token, certificate, and secure communications requirements.
Create and maintain automated unit, integration, API, database, and user-interface tests.
Participate in design walkthroughs, impact assessments, code reviews, estimation, backlog refinement, sprint planning, release planning, and technical decision-making.
Review, analyse, and modify build, configuration, product-installation, and deployment scripts, including coding, testing, and debugging.
Resolve and troubleshoot technical problems arising during development, implementation, conversion, migration, deployment, and operation.
Collaborate with business analysts, architects, UX designers, testers, DevOps engineers, security specialists, and other IT professionals throughout the software development lifecycle.
Provide post-implementation support, resolve production issues, and improve application performance, reliability, extensibility, and maintainability.
Prepare and maintain user, system, technical, deployment, and support documentation.
Provide technical guidance and quality oversight while meeting delivery commitments and adapting to changing priorities.

Requirements

Experience and Skill Set Requirements:

Must Haves:

Ten or more years of experience as a designer and developer of large-scale, multi-client web applications, or equivalent senior experience.
Extensive hands-on Java development experience with Oracle, SQL, or comparable relational databases.
Significant experience with REST APIs, RESTful web services, microservice architecture, and Internet-ready applications.
Experience with security gateways and protocols, including JSON Web Tokens, OAuth 2.0, SSL certificates, secure communications, and identity integration.

Skill Set Requirements:

Core Skills and Experience:

Ten or more years of experience as a designer and developer of large-scale, multi-client web applications, or equivalent senior experience.
Extensive hands-on Java development experience with Oracle, SQL, or comparable relational databases.
Significant experience with REST APIs, RESTful web services, microservice architecture, and Internet-ready applications.
Experience translating specifications into working applications using structured and Agile methods, object-oriented practices, design patterns, clean code, automated testing, and Azure DevOps.

Technical Skills and Experience:

Experience with security gateways and protocols, including JSON Web Tokens, OAuth 2.0, SSL certificates, secure communications, and identity integration.
Strong understanding of Agile methodologies, structured development methods, object-oriented design, current design patterns, refactoring, and clean code.
Experience with relational and hierarchical databases, query languages, SQL tuning, middleware, gateways, communications protocols, conversion, and migration.
Experience with application design, deployment, installation scripts, troubleshooting, post-implementation support, and technical documentation.

Soft Skills:

Strong written and verbal communication, analytical, systematic problem-solving, decision-making, interpersonal, and negotiation skills.
Ability to develop and present ideas, lead or participate in design walkthroughs, and work effectively with functional and technical teams.
Demonstrated ability to perform under pressure, adapt to change, work within aggressive timelines, and consistently meet deadlines.

Public-Sector Experience:

Knowledge of Ontario Public Service development standards, processes, governance, security, accessibility, information-management, and documentation expectations.

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More about this job

Responsibilities

The Senior Software Developer designs, develops, and maintains enterprise platform capabilities across UI, service, API, and data-access layers. They provide technical leadership through code reviews, mentoring, and collaboration with cross-functional teams to ensure scalable and secure software delivery.

Requirements

Candidates must have ten or more years of experience in large-scale web application development with extensive hands-on Java and relational database expertise. Proficiency in microservice architecture, security protocols, and Agile methodologies is required to support government program integrations.

Skills

Java
REST APIs
Microservices
SQL
Oracle
Azure DevOps
OAuth 2.0
JSON Web Tokens
Agile
System Architecture
Unit Testing
Full Stack Development
Database Design
Technical Documentation
Security Protocols
Middleware

Visa sponsorship

Not detected in the job text

Keywords

Java
Full Stack
Microservices
REST APIs
Oracle
SQL
Azure DevOps
OAuth 2.0
JSON Web Tokens
SSL
Agile
Middleware
Enterprise Integration
Unit Testing
System Architecture
Data Access
Technical Leadership
Security Gateways
Object-Oriented Programming
Refactoring
Clean Code
Database Tuning
Deployment Pipelines
Public Sector
Government Programs
Web Applications
Scalability
Observability
Mentoring

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