8 results for Back End Developer in Toronto, ON

Application Developer Team Lead

Mississauga, ON
onsite
Permanent
125000 - 150000 CAD / Yearly
Our client is seeking a hands-on Application Development Team Lead to lead a small team of developers while remaining actively involved in the design, development, and delivery of enterprise applications. This is a player-coach opportunity ideal for a Senior Developer or Technical Lead looking to grow into a management role while staying close to the technology. Responsibilities<ul><li>Lead, mentor, and support a team of software developers.</li><li>Design, develop, and maintain enterprise applications using modern Microsoft technologies.</li><li>Build and support APIs, integrations, and cloud-based solutions.</li><li>Collaborate with business stakeholders to gather requirements and deliver technical solutions.</li><li>Participate in architecture, development, testing, deployment, and production support activities.</li><li>Drive Agile delivery, DevOps best practices, and continuous improvement initiatives.</li><li>Contribute to automation, reporting, and data-driven projects.</li></ul>
2026-07-07T00:00:00Z

Mobile Developer

Toronto, ON
remote
Contract / Temporary
40 - 55 CAD / Hourly
We are looking for a Mobile Developer to support the continued growth of a high-traffic consumer iOS application. This long-term contract opportunity is ideal for someone who enjoys building high-quality mobile experiences, partnering closely with product and design teams, and delivering features that reach a large user base. The role is fully remote and best suited to someone who can collaborate effectively with colleagues working on East Coast timelines. Responsibilities: • Design, build, and enhance iOS application features using Swift, SwiftUI, and UIKit for a consumer platform with significant daily usage. • Contribute to key customer journeys such as browsing, discovery, purchasing, checkout, and live order or service tracking. • Create and refine personalized content surfaces, including home feed experiences and recommendation-driven interfaces within the iOS app. • Work closely with product managers, designers, and cross-functional partners to translate requirements into high-quality mobile experiences. • Deliver new functionality at a steady pace while supporting product experiments focused on engagement, retention, and business performance. • Troubleshoot issues across the full feature lifecycle, identifying root causes and resolving defects in a timely manner without relying on a dedicated debugging rotation. • Improve application quality by maintaining organized, reusable, and scalable code that supports long-term development. • Support performance and reliability efforts by monitoring app behaviour, using analytics and observability tools, and helping ensure a stable user experience under varying network conditions. • Contribute to development and release practices using version control, CI workflows, and internal tooling for build and deployment processes.
2026-07-07T00:00:00Z

Database Developer

Mississauga, ON
onsite
Contract / Temporary
45 - 65 CAD / Hourly
We are looking for an experienced Database Developer to join a non-profit organization in Mississauga, Ontario on a Long-term Contract basis. This position will play a key role in strengthening reporting capabilities by building reliable data solutions and translating business needs into effective Power BI outputs. The successful candidate will bring strong technical expertise in Microsoft SQL Server and modern reporting tools, along with the ability to work with finance-related datasets in a structured and accurate manner. Responsibilities: • Transform existing reporting assets into Power BI solutions, including redesigning selected reports and developing new dashboards where needed. • Review current database queries, scripts, and reporting logic to identify opportunities for improved performance, accuracy, and maintainability. • Build and refine Power BI data models to support clear, meaningful, and scalable reporting for business stakeholders. • Use Power Query and related development techniques to prepare, shape, and connect data from multiple sources for analysis. • Develop, test, and optimize SQL components such as stored procedures, complex queries, and database objects to support reporting needs. • Partner with internal teams to deliver approximately 10 to 15 finance-focused reports with a high standard of quality and consistency. • Contribute to reporting project planning by helping track priorities, timelines, and deliverables throughout the engagement. • Support broader data and reporting initiatives by applying best practices in performance tuning, indexing, and data warehousing.
2026-06-29T00:00:00Z

Software Engineer (.NET)

Toronto, ON
onsite
Permanent
100000 - 130000 CAD / Yearly
We are looking for a Software Engineer (.NET) to join a collaborative development team in Toronto, Ontario. This role focuses on building and enhancing backend applications, contributing to high-quality software delivery, and working closely with cross-functional partners in an Agile environment. The ideal candidate brings strong programming expertise, a practical approach to problem-solving, and a commitment to delivering reliable, scalable solutions. Responsibilities:• Design, build, and maintain .NET-based software components that support business and technical objectives.• Collaborate with product, QA, and engineering teams to translate requirements into effective application features and backend services.• Investigate defects, resolve technical issues, and improve overall application stability through timely troubleshooting and bug resolution.• Participate in Agile ceremonies, provide development updates, and contribute to iterative planning and delivery activities.• Develop and optimize integrations, APIs, and supporting services to ensure dependable system performance and maintainability.• Contribute to testing strategies, including experimentation and validation approaches such as A/B testing where appropriate.• Use tools such as Jira to track work, manage development tasks, and maintain clear documentation of progress.• Support ongoing enhancements to existing platforms and contribute to technical improvements as systems and processes evolve.
2026-07-09T00:00:00Z

Java Software Engineer

Toronto, ON
onsite
Permanent
100000 - 130000 CAD / Yearly
We are helping a growing and highly innovative financial services organization with a new Java Engineer to join their Payments Technology team. This is an exciting opportunity for a developer who enjoys solving complex problems, wearing multiple hats, and gaining exposure to a broad range of technologies, projects, and business functions. You'll work closely with senior leaders, product teams, operations, compliance, and engineering stakeholders to help build and enhance critical payment platforms supporting ACH, Wires, Real-Time Payments (RTP), FedNow, and other modern payment networks. We're looking for someone who is resourceful, entrepreneurial, curious, and excited by the opportunity to make a visible impact within a fast-moving environment.What you will do and how you will make an impact …<ul><li>You will play a key role in the development and evolution of modern payment processing platforms that support critical banking and financial transactions.</li></ul>In this position, you will:<ul><li>Design, develop, and maintain backend applications and APIs using Java and Spring Boot.</li><li>Work across the full software development lifecycle, from requirements gathering and design through implementation, testing, deployment, and production support.</li><li>Partner with Product, Operations, Compliance, QA, and engineering teams to deliver secure and scalable payment solutions.</li><li>Develop integrations with banking partners, third-party providers, and internal systems.</li><li>Support highly reliable, secure, and compliant transaction processing platforms.</li><li>Participate in architecture discussions, code reviews, troubleshooting, and continuous improvement initiatives.</li><li>Contribute to monitoring, observability, and operational excellence efforts alongside DevOps and production support teams.</li></ul>Why we are excited about you ... <ul><li>You thrive in environments where you can take ownership, solve problems independently, and continuously learn new technologies and business domains.</li><li>You are naturally curious and enjoy exploring how complex systems work.</li><li>You take initiative and can navigate ambiguity with confidence.</li><li>You understand financial services, and want exposure to modern payments technology.</li></ul>
2026-07-09T00:00:00Z

Senior DevOps Lead

Oakville, ON
onsite
Contract / Temporary
100 - 110 CAD / Hourly
We are looking for a Senior DevOps Lead to support a long-term contract opportunity in Oakville, Ontario within the energy and natural resources sector. This role is suited to a senior technical leader who can shape cloud and DevOps strategy, strengthen secure delivery practices, and guide architecture decisions across complex environments. The successful candidate will work closely with key stakeholders and technical leads while providing mentorship to team members and helping advance scalable, reliable platform operations. This is a 6 month contract role to start, hybrid (2 days in office) for our client in Oakville, Ontario. Responsibilities:• Define and drive the overall DevOps and cloud roadmap, with a strong emphasis on Azure-based solutions and enterprise delivery practices.• Lead the design and continuous improvement of CI/CD pipelines to enable efficient, secure, and dependable software releases.• Embed security considerations into build, deployment, and operational workflows to promote stronger governance across the delivery lifecycle.• Partner with internal stakeholders and existing technical leadership to align platform strategy with business and operational priorities.• Provide high-level architectural guidance for infrastructure, automation, and deployment models in complex cloud environments.• Mentor engineers and cross-functional team members by sharing best practices in DevOps, cloud operations, and modern delivery methods.• Oversee configuration management and deployment standards to improve consistency, traceability, and system stability.• Support large-scale environments by identifying opportunities to optimize performance, resilience, and operational efficiency.
2026-07-07T00:00:00Z

Data Engineer

Toronto, ON
onsite
Permanent
100000 - 120000 CAD / Yearly
Robert Half is working with a global, consumer‑facing organization that’s scaling its data platform to better support marketing, sales, and customer analytics. They’ve recently invested heavily in their data stack and are growing their Data Engineering team to meet rising demand from the business.This is an intermediate‑level role where you’ll work closely with marketing stakeholders, BI, and software engineering to deliver trusted, analytics‑ready data. What you’ll be doing<ul><li>Partner directly with Marketing and Sales teams to understand data requirements</li><li>Design and build data models that power dashboards and analysis</li><li>Build and maintain data pipelines end‑to‑end</li><li>Work with cloud data platforms to ensure performance and reliability</li><li>Collaborate closely with BI and software engineering teams</li></ul>Tech environment<ul><li>Cloud data warehouse (AWS‑based, Redshift‑style)</li><li>SQL & Python</li><li>dbt for data modelling</li><li>Fivetran (or similar) for ingestion</li><li>Airflow for orchestration</li><li>BI tooling (Looker‑type stack)</li><li>Strong Salesforce / marketing data footprint</li><li>(Marketing Cloud / CRM / customer data experience is highly relevant)</li></ul>
2026-06-25T00:00:00Z

CAN - Software Developer: II (Intermediate)

Mississauga, ON
onsite
Contract / Temporary
26 - 34 CAD / Hourly
We are looking for an intermediate Technical Developer to join a collaborative team in Mississauga, Ontario, supporting enterprise applications built with Microsoft Power Platform. This Long-term Contract opportunity is ideal for someone who enjoys creating practical business solutions, contributing to dashboard and automation initiatives, and working closely with cross-functional teams in a hybrid environment. The successful candidate will help enhance Power Apps, support Power BI reporting, and provide dependable application support while participating in Agile delivery practices. Responsibilities: • Develop, enhance, and maintain Power Apps solutions that support business operations in an enterprise setting. • Contribute to the design and improvement of Power Automate workflows to streamline manual activities and increase efficiency. • Support the creation, maintenance, and refinement of Power BI dashboards and reporting assets for business users. • Participate in daily scrum meetings and work collaboratively with team members to deliver project tasks on schedule. • Provide Level 1 and Level 2 support for Power Platform applications by investigating issues, resolving defects, and assisting users. • Respond to ad hoc requests related to application updates, reporting needs, and automation enhancements. • Help document solution changes, testing outcomes, and support activities to maintain consistency across the development lifecycle. • Work within established enterprise standards and governance practices when building and updating Power Platform solutions.
2026-07-07T00:00:00Z