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12 results for Back End Developer in Mississauga, ON

Back End Developer
  • Etobicoke, ON
  • remote
  • Temporary
  • 40.00 - 60.00 CAD / Hourly
  • <p>Our Client is seeking a skilled Back-End Software Engineer with 6+ years of experience in backend development to support a large-scale project centered around a custom real-time bidding and auction management platform. This role is ideal for professionals with strong Node.js experience, a startup-ready mindset, and a passion for performance and reliability. You will work directly with internal engineering leadership and cross-functional teams, helping deliver key features and optimizations to meet aggressive timelines. This is a remote role with occasional travel for our client in Etobicoke, Ontario. </p><p><br></p>
  • 2026-02-09T16:53:44Z
Front End Developer
  • Etobicoke, ON
  • onsite
  • Temporary
  • 40.00 - 50.00 CAD / Hourly
  • <p>We are looking for a <strong>Senior Front-End Developer</strong> for a 4–12+ week contract to help build a <strong>real-time, high-performance B2B platform</strong>. The client prefers a hybrid setup with the first week in-office, but strong fully remote candidates are welcome. You will transform UI designs into interactive, data-driven components that drive engagement and retention.</p><p><br></p><p><strong>Responsibilities:</strong></p><ul><li>Build and refine <strong>real-time UI components</strong> for live bidding and dashboards</li><li>Develop <strong>bid ladders, countdown timers, live indicators, and quick-action CTAs</strong></li><li>Implement <strong>WebSocket-driven updates</strong> and optimize React state management</li><li>Design <strong>micro-interactions and motion effects</strong> for smooth user experiences</li><li>Collaborate with Product, Marketing, and Operations teams</li><li>Support QA, performance testing, and release cycles</li></ul><p><br></p>
  • 2026-02-12T18:43:51Z
Full Stack Software Developer
  • Vaughan, ON
  • remote
  • Temporary
  • 75.00 - 95.00 CAD / Hourly
  • We are looking for an experienced Full Stack Software Developer to join our team in Vaughan, Ontario. In this long-term contract role, you will play a crucial part in building, enhancing, and scaling a robust internal operating system for a civil construction company. This position offers the opportunity to work on a well-defined system architecture and contribute to impactful solutions in the construction industry.<br><br>Responsibilities:<br>• Develop and maintain both front-end and back-end components of a comprehensive operating system.<br>• Implement business logic, data models, and integrations based on pre-defined system architecture.<br>• Collaborate with stakeholders to ensure seamless workflows for field operations, equipment management, and compliance documentation.<br>• Troubleshoot and resolve technical issues, ensuring system reliability and performance.<br>• Utilize tools such as Atlassian Jira and GitHub for project management and version control.<br>• Write clean, efficient code using programming languages such as C++, JavaScript, and Java.<br>• Design user interfaces with CSS and React to ensure an intuitive user experience.<br>• Conduct rigorous testing and debugging to identify and fix bugs.<br>• Integrate third-party platforms and accounting systems to enhance functionality.<br>• Provide detailed reporting and executive dashboards to support decision-making processes.
  • 2026-02-03T20:28:45Z
AI Staff Software Engineer
  • Toronto, ON
  • onsite
  • Permanent
  • 120000.00 - 140000.00 CAD / Yearly
  • We are looking for an experienced AI Staff Software Engineer to join our team in Toronto, Ontario. In this role, you will lead the development and deployment of advanced AI systems, ensuring their integration across multiple platforms and teams. The ideal candidate will have deep expertise in AI technologies, strong problem-solving skills, and an ability to drive technical innovation in ambiguous environments.<br><br>Responsibilities:<br>• Design and implement cutting-edge AI systems with a focus on agentic AI technologies and workflows.<br>• Develop robust backend systems, APIs, and data pipelines to support scalable AI solutions.<br>• Collaborate with multidisciplinary teams to align technical strategies and ensure seamless integration across products.<br>• Lead the development of AI models and infrastructure, including planning, memory, tool usage, and evaluation.<br>• Optimize cloud infrastructure to enhance system reliability and performance.<br>• Translate complex problems into actionable solutions, delivering autonomous systems that meet business objectives.<br>• Mentor and guide engineering teams through advanced AI workflows and development processes.<br>• Drive technical innovation while ensuring the stability and scalability of deployed systems.<br>• Implement and manage workflow engines, asynchronous processing, queues, and streaming systems.<br>• Influence technical direction and foster collaboration across teams without formal authority.
  • 2026-02-13T13:48:40Z
Software Developer
  • Hamilton, ON
  • onsite
  • Permanent
  • 75000.00 - 85000.00 CAD / Yearly
  • <p>Robert Half is looking to hire a Software Developer for a client that is rapidly expanding in the West GTA Area. This is an exciting full time / permanent opportunity that is offering growth, stability and excellent career growth / advancement opportunities. Please take a look at the summarized information below and apply if you are a good fit!</p><p><br></p><p><strong>Role:</strong> Software Developer</p><p><strong>Type:</strong> Full time / Permanent</p><p><strong>Location:</strong> West GTA Region</p><p><strong>Compensation: </strong>$75k to $85k + Bonus + 3 Weeks vacation (Additional PTO) + Full Benefits (Medical, Dental and Vision) + RRSP Match 3% (5% after maxed) + Education Reimbursement Program + Full WFH Hardware</p><p><br></p><p><strong>Requirements:</strong></p><ul><li>5 to 8 years experience with Software Development (C# .NET)</li><li>React or Angular (Some Front End)</li><li>Proficiency in object-oriented languages and JavaScript technologies.</li><li>Strong knowledge of relational databases, including querying and performance optimization.</li><li>Solid working knowledge of current Internet technologies, web services, and secure web processing.</li><li>Familiarity with continuous integration and automated build pipelines is an asset.</li><li>Financial services or insurance industry experience is preferred.</li><li>Microsoft Visual Studio</li><li>MS SQL</li><li>Asset: AWS or Azure</li></ul>
  • 2026-02-18T17:28:55Z
CAN - Software Developer: III (Senior)
  • Mississauga, ON
  • remote
  • Temporary
  • 45.00 - 60.00 CAD / Hourly
  • Our client is seeking an experienced Software Developer to support and enhance existing NPC applications. This role involves a mix of application development, configuration updates, and database work, with a strong emphasis on hands-on coding and SQL Server development. The ideal candidate is technically strong, analytical, and comfortable working both independently and as part of a collaborative team. <br> This is an active contract to permanent opportunity with a pay range of $45 - $60/hour (CAD) and a hybrid schedule (3 days onsite in downtown Toronto). <br> Key Responsibilities Develop and maintain NPC applications through: Application code changes Configuration updates Database changes and stored procedure development Perform approximately 70% application development and 30% database work Write, modify, and optimize SQL Server stored procedures Collaborate with team members to analyze requirements and troubleshoot issues Ensure high-quality, maintainable, and well-documented code Participate in code reviews and version control practices <br> Must-Have Qualifications (4+ years) Strong experience with C# (7.0) Hands-on experience with ASP.NET WebForms (Framework 4.7) Strong SQL skills Experience with SQL Server 2019, including stored procedures Familiarity with GitHub or other version control systems Strong analytical and problem-solving skills Ability to work both independently and collaboratively Excellent verbal and written communication skills <br> Good-to-Have Qualifications (3+ years) Experience with AWS Experience building or consuming Web APIs Knowledge of XML Exposure to React.js Strong JavaScript skills Nice-to-Have System or application integration experience Relevant technical certifications This posting represents a current vacancy with our client. If this opportunity aligns with your experience, I’d be happy to connect and discuss further.   Our specialized recruiting professionals apply their expertise and utilize our proprietary AI to find you great job matches faster.
  • 2026-02-05T17:04:26Z
Cloud Engineer
  • Toronto, ON
  • onsite
  • Permanent
  • 120000.00 - 140000.00 CAD / Yearly
  • <p>Robert Half is partnering with a leading technology-driven organization to recruit an accomplished Cloud Engineer. This is an excellent opportunity to leverage your deep cloud expertise in a dynamic environment, working on next-generation infrastructure and automation initiatives.</p><p> </p><p><strong>Responsibilities:</strong></p><ul><li>Design, deploy, and manage cloud infrastructure across AWS and Azure platforms, ensuring scalability, security, and resilience.</li><li>Oversee data storage, networking, and cybersecurity within cloud ecosystems.</li><li>Implement and optimize containerized applications utilizing orchestration technologies like Kubernetes.</li><li>Establish and enforce robust security controls, maintain compliance with industry standards, and manage risk throughout the development lifecycle.</li><li>Manage and support database operations using AWS/Azure managed database services.</li><li>Build and maintain Infrastructure as Code (IaC) using tools such as Terraform and Ansible.</li><li>Develop, maintain, and enhance CI/CD pipelines with platforms including Jenkins and GitHub Actions.</li><li>Advance monitoring, alerting, and observability using enterprise tools such as Dynatrace, Splunk, and Datadog.</li><li>Automate manual processes with advanced scripting in Python and Bash.</li></ul>
  • 2026-02-04T19:38:40Z
ERP Program Manager
  • Toronto, ON
  • onsite
  • Temporary
  • 45.60 - 52.80 CAD / Hourly
  • <p><strong>Job Title:</strong> Bilingual Jr. Project Manager– ERP Implementation</p><p><strong>Duration:</strong> 12 months</p><p><strong>Working Arrangements</strong>: Hybrid 3-4 days in office</p><p><strong>Location:</strong> Toronto, ON or Montreal, QU</p><p><br></p><p><strong>Key Responsibilities:</strong></p><ul><li>Oversee and lead the full-cycle ERP implementation, in coordination with external vendors, IT, and Finance teams.</li><li>Manage the design and standardization of the Chart of Accounts (COA), balancing standard practices and required customizations.</li><li>Serve as system superuser for NetSuite, providing expertise, troubleshooting, and ongoing support after go-live.</li><li>Design and deliver training for end users, including creation of SOPs, user manuals, and English-language training materials.</li><li>Regularly interface with end users and project team, fostering communication and addressing project roadblocks.</li><li>Project manage timelines, deliverables, and communications to ensure on-time delivery.</li><li>Collaborate with stakeholders to gather requirements and relay feedback for successful adoption.</li><li>Support post-implementation activities, including system optimization and process improvement.</li></ul><p><br></p>
  • 2026-01-19T19:04:15Z
Business Systems Director
  • Toronto, ON
  • onsite
  • Permanent
  • 130000.00 - 180000.00 CAD / Yearly
  • <p>Join a global leader focused on people and innovation, currently undergoing a major digital transformation. We are searching for a strategic Director of Enterprise Systems & Data to head the advancement of ERP, CRM, and Data/BI environments.</p><p><br></p><p><strong>Role Overview:</strong></p><p> As a key member of the senior leadership team, you will drive the modernization of mission-critical platforms like Workday (HCM & Finance), Salesforce, and a contemporary data stack. You’ll be responsible for strategic vision, hands-on leadership, and enabling enterprise technology at scale across multiple international businesses.</p><p><br></p><p><strong>Key Responsibilities:</strong></p><ul><li>Lead and coach cross-functional teams, including managers, engineers, and analysts within ERP, CRM, ETL, and BI domains.</li><li>Develop and execute multi-year technology strategies to optimize enterprise systems, aligning with business goals.</li><li>Oversee the performance, security, and integration of Workday (Finance & HCM), Salesforce, and data warehousing solutions.</li><li>Partner with senior stakeholders to shape technology roadmaps and elevate operational excellence.</li><li>Design and implement policies, processes, and governance frameworks to ensure reliable and scalable technology ecosystems.</li><li>Manage vendor partnerships, contracts, and budgets efficiently.</li><li>Uphold best practices in data governance, focusing on data quality, privacy, and compliance.</li><li>Support program delivery with effective scoping, risk oversight, agile planning, and cross-team collaboration.</li><li>Address engineering challenges and architect robust, scalable solutions.</li><li>Track and report on KPIs, team progress, and enterprise system outcomes.</li><li>Drive talent development through mentorship, hiring, and leadership growth.</li></ul><p><br></p>
  • 2026-01-26T20:13:41Z
Application Operations Engineer
  • Toronto, ON
  • onsite
  • Permanent
  • 140000.00 - 155000.00 CAD / Yearly
  • <p>We are seeking an experienced Site Reliability Engineer (SRE) to join our client’s growing team. The ideal candidate will have a strong background in managing and optimizing application environments across Classic Cloud, AWS, and Azure, with experience in Java-based applications, Middleware technologies, and Monitoring tools. This role requires a proactive professional who can ensure high availability, performance, and security of mission-critical applications while adhering to industry standards such as ITIL and ISO8583.</p><p>---</p><p>Key Responsibilities</p><p>· Application Operations & Maintenance</p><p>o Manage and support application environments across Classic Cloud, AWS, and Azure platforms.</p><p>o Perform deployments, upgrades, and patching for Java-based applications and middleware components.</p><p>· Monitoring & Incident Management</p><p>o Implement and maintain monitoring solutions to ensure application health and performance.</p><p>o Respond to incidents promptly, perform root cause analysis, and implement corrective actions.</p><p>· Middleware & Integration</p><p>o Configure and maintain middleware platforms (e.g., WebSphere, JBoss, or similar).</p><p>o Ensure seamless integration between applications and payment systems using ISO8583 standards.</p><p>· Compliance & Best Practices</p><p>o Apply ITIL principles for incident, problem, and change management.</p><p>o Ensure compliance with security and regulatory standards across all environments.</p><p>· Collaboration & Documentation</p><p>o Work closely with development, infrastructure, and security teams to optimize application performance.</p><p>o Maintain detailed documentation for operational procedures and configuration</p><p><br></p>
  • 2026-01-15T21:38:50Z
IT Coordinator
  • North York, ON
  • onsite
  • Permanent
  • 55000.00 - 60000.00 CAD / Yearly
  • We are looking for a detail-oriented IT Coordinator to join our team in North York, Ontario. The ideal candidate will manage and support various IT systems and infrastructure, ensuring smooth operations across hardware, software, and telecommunications. This role requires a proactive approach to problem-solving and a strong ability to work with technical and non-technical stakeholders.<br><br>Responsibilities:<br>• Provide on-site support by coordinating and overseeing activities involving contractors and technicians.<br>• Manage office equipment, including desktop printers, toners, shredding machines, and other related devices.<br>• Handle service requests, equipment orders, contracts, and insurance-related tasks.<br>• Administer corporate cell phone plans and monitor monthly usage to ensure efficiency.<br>• Update and maintain Microsoft licenses and software tracking spreadsheets.<br>• Process invoices and ensure accurate data entry into internal tracking systems.<br>• Maintain inventory for construction site supplies stored in the basement.<br>• Organize and manage orders for branded office materials and business cards.<br>• Monitor and update internal systems related to IT assets, transponders, fuel cards, and telecom usage.
  • 2026-02-19T16:08:42Z
Enterprise Architect
  • Toronto, ON
  • onsite
  • Permanent
  • 150000.00 - 175000.00 CAD / Yearly
  • <p>Are you an experienced technology leader who thrives at the intersection of strategy, innovation, and enterprise architecture? </p><p><br></p><p>We’re seeking an Enterprise Architect to help shape and drive a forward-looking technology vision for a national organization undergoing significant digital transformation. You will support this company through a large-scale cloud transformation, and strong experience with Microsoft Azure is critical for this role. </p><p><br></p><p>As the IT Enterprise Architect, you will:</p><p><br></p><ul><li>Own and evolve the organization’s architecture framework, including principles, standards, roadmaps, and reference models.</li><li>Lead strategic design and scoping initiatives to ensure technology solutions align with enterprise architecture goals and future-state vision.</li><li>Guide technical design activities, working closely with solution architects and technical leads to ensure secure, scalable, and standards‑aligned solutions.</li><li>Shape and support data and AI strategy, including providing architectural oversight for emerging technology initiatives.</li><li>Drive technology innovation, evaluating new tools and platforms, building proofs of concept, and identifying opportunities that enhance business productivity.</li><li>Partner with senior stakeholders to understand priorities, provide strategic technology guidance, and advocate for architectural best practices.</li><li>Influence digital transformation initiatives, with opportunities to shape modernization efforts across infrastructure, cloud, data, and business systems.</li><li>Promote continuous improvement, identifying opportunities to optimize cost, performance, or efficiency across the technology ecosystem.</li><li>Stay attuned to industry trends, especially those relevant to professional services and regulated sectors.</li><li>Serve as a key member of the IT leadership team, contributing to planning, resourcing, and strategic direction.</li></ul><p><br></p>
  • 2026-01-16T19:18:34Z