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Added 6 days ago
IC
AppOps, Specialist
Interac Corp.
Toronto, ON · Interac Corp. Head Office
- Full-time
Lead and support the investigation of production incidents, including troubleshooting, root-cause analysis, service restoration and the development of short- and long-term remediation.
Added 6 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 6 days ago
Solutions Architect (Data, Automation & Platforms)
The Canada Life Assurance Company
Toronto, ON
…artifacts to support project delivery, application support, and lead technical vision and…
Added 6 days ago
J
Senior Software Developer – Identity & Access Management, .NET, Azure & Application Modernization
Joblinxsapp
Toronto, ON
- Full-time
The Government of Ontario is seeking an experienced Senior Software Developer to lead development, maintenance, enhancement, and modernization activities across existing branch platforms…
Added 6 days ago
Y
Back End Developer
Yochana
Brampton, ON
- Full-time
Person to have strong Java technical skills to enhance an existing application’s architecture as well as create applications architecture from scratch.
Added 6 days ago
FG
Lead Data Engineer
Flow Global Technology
Vancouver, BC
- Contract
Lead the design and development of scalable batch and streaming data pipelines using Java, Spark, and Kafka
Added 6 days ago
T
Lead Backend Developer
TechDoQuest
Brampton, ON
- Contract
Person to have strong Java technical skills to enhance an existing application’s architecture as well as create applications architecture from scratch.Expertise a strong understanding of…
Added 7 days ago
Y
Senior Backend Developer
Yochana
Brampton, ON
- Full-time
Person to have strong Java technical skills to enhance an existing application’s architecture as well as create applications architecture from scratch.
Added 7 days ago
IF
Principal, Software Engineering – Shared Services
Intact FC
Toronto, ON
- Full-time
The Principal, Software Engineering is the most senior hands-on technical leader in the Shared Technology Services organization. The role works across platforms, products, and teams to…
Added 7 days ago
C
Performance Testing Lead - Assistant Vice President
Citi
Mississauga, ON
- Full-time
TTS NFT team is looking for Performance Engineering Lead who will take ownership of multiple applications Performance testing solutions & play SME role to engage with Development, Architect…
Added 7 days ago
VT
IT Systems Manager
VANJOBS Technical Recruiters
Vancouver, BC
- Full-time
Your ability to lead and communicate clearly with technical staff and colleagues is at least as important as providing (enhancing) a positive, enjoyable climate across departments. Make…
Added 7 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 7 days ago
M
RQ11737 - Software Developer - Full Stack - Senior
Maarut
Toronto, ON
- Contract
software. The role provides technical leadership through design input,
Added 7 days ago
VC
Dotnet Developer
V-Soft Consulting Group, Inc.
Mississauga, ON
- Contract
Lead technical design discussions and contribute meaningfully to architecture decisions, technology choices, and engineering standards.
Added 7 days ago
ZS
Enterprise Data Architect
Zodiac Solutions, Inc
Toronto, ON
- Full-time
Strong hands-on expertise in Hadoop, HDFS, YARN, Hive, Spark, PySpark, Kafka, SQL, Python, Java, and Scala.
Added 7 days ago
Director, Application Delivery & Support
CAA Club Group
Thornhill, ON
Lead Development Managers and technical teams responsible for design, development, testing, deployment, and continuous improvement
Added 7 days ago
I
Technology Lead - Angular
Infosys
Toronto, ON
- $92,740 to $123,375 CAD / year
- Full-time
…transition. In this role, you will interface with key business and technical stakeholders and apply your expertise across all phases of the Software Development Life Cycle (SDLC), including…
Added 7 days ago
S
Technology Manager
Stellantis
Mississauga, ON
- Full-time
Develop and enhance Warehouse Management Systems using SQL/Java/http programming
Added 7 days ago
IG
Full Stack Java Developer/Designer
Insight Global
Toronto, ON
- $50 to $70 CAD / hour
- Contract
Insight Global is looking for a Senior Full-Stack Solution Designer to lead the design and delivery of enterprise applications across both front-end and back-end environments. This person…
Added 7 days ago
NS
Senior Site Reliability Engineer (SRE) – CDN & Web Performance (Adobe)
N2P Systems
Toronto, ON
- Full-time
Participate in an on-call rotation and serve as a senior technical escalation point for customer-facing incidents.
Added 7 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 7 days ago
TI
Senior Full Stack Java Developer
Themesoft Inc.
Toronto, ON
- Contract
Lead the technical(backend/frontend) design, development, and implementation of software solutions.
Added 7 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 7 days ago
Data Integration Lead
HEXAWARE
Canada
Technical knowledge in multiple technologies and frameworks – Azure Cloud – ADF, ADB, ADLS, DeltaLake, Hadoop big data ecosystems (MapReduce, HDFS, HBase, Hive, Sqoop, Yarn, Spark, Spark…
Added 7 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…

Maarut

RQ11737 - Software Developer - Full Stack - Senior

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Posting language: English
Posted: Oct 22, 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.
Experience with relational and hierarchical databases, query languages, SQL tuning, middleware, gateways, communications protocols, conversion, and migration.

Nice to have:

OPS or public sector exp.

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 the full stack, including UI, services, 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, RESTful APIs, and security protocols like OAuth 2.0 is essential for this role.

Skills

Java
Full stack development
REST APIs
Microservices
Oracle
SQL
Azure DevOps
Agile methodologies
JSON Web Tokens
OAuth 2.0
SSL certificates
System design
Code review
Automated testing
Database tuning
Middleware

Visa sponsorship

Not detected in the job text

Keywords

Software Developer
Full Stack
Java
Oracle
SQL
REST APIs
Microservices
Azure DevOps
Agile
JSON Web Tokens
OAuth 2.0
SSL
Middleware
Database tuning
System architecture
Unit testing
CI/CD
Enterprise integration
Object-oriented programming
Design patterns
Clean code
Refactoring
Technical documentation
Production support
Security gateways
Identity management
Data migration
Web applications
Scalability
Observability

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