46 jobs found for .net in Ontario

We are seeking a highly experienced, Senior Full Stack .NET Developer to join a dynamic engineering team. This role is designed for a veteran software engineer who thrives in end-to-end application development, from building robust database structures to optimizing user-facing web interfaces. You will be instrumental in modernizing, maintaining, and scaling enterprise-level applications, ensuring high performance, security, and seamless integration across

We are seeking a highly accomplished Senior Software Developer - Full Stack with expert-level proficiency in the Microsoft .NET ecosystem and Azure Cloud platform to lead the design, technical implementation, and end-to-end delivery of modern multi-tier web applications. In this role, you will hold engineering ownership across legacy and next-generation frameworks—ranging from classic ASP.NET Web Forms to decoupled Blazor WebAssembly architectures. Operati

We are seeking an experienced Senior Software Developer - Full Stack to lead the technical design, implementation, and expansion of scalable enterprise web applications. In this role, you will bridge modern front-end user interfaces with complex multi-language back-end microservices, leveraging Next.js/React alongside Python (FastAPI) and .NET Core (C#). Operating across cloud-native architectures, relational/NoSQL databases, and automated pipelines, you w

We are seeking an accomplished Senior Software Developer - Full Stack to design, build, and optimize scalable, end-to-end web applications and high-performance microservices. In this role, you will bridge modern front-end interfaces with complex multi-language back-end services, leveraging Next.js/React on the front end alongside Python (FastAPI) and .NET Core (C#) on the back end. Operating across cloud-native architectures, relational/NoSQL databases, an

We are seeking an experienced Senior Applications Architect to lead the structural design, logical layering, and technical interrelationships of enterprise-scale computer systems and cloud-based applications. In this role, you will define application architecture frameworks, identify reusable components, establish interface standards, and manage complex cross-platform integrations across cloud and on-premises environments. Working across Azure/AWS cloud ec

We are seeking a highly experienced Senior QA Manual Tester to join a premier technical team within the financial sector. This role is designed for a veteran quality assurance professional who brings deep expertise in manual testing methodologies, strong database skills, and a solid understanding of complex financial applications. You will be responsible for ensuring the absolute reliability, security, and performance of enterprise-grade web applications b

Our leading financial services client in Toronto is seeking a highly skilled Technical Business Systems Analyst (BSA) with a strong background in .NET and database architecture to join their Financial Crime & Regulatory Compliance Technology team. In this role, you will act as the vital bridge between AML business stakeholders, risk officers, and engineering teams to deliver high-impact software solutions for anti-money laundering, transaction monitoring,

Amazing opportunity for someone who lives in or close to the Kitchener/Waterloo area. We are also willing to assist with relocation costs if you choose to relocate to be closer to work. Please note there is a km restriction in order to qualify for the relocation support. This is a hybrid role with 3 days in office. We are seeking a Technical Lead to serve as the engineering anchor and ultimate technical decision-maker for our development team. In this r

Our client, a leading manufacturing organization, is seeking an experienced Application Development Lead for a full time, on-site position in Mississauga, Monday through Friday. This player coach role combines technical leadership with hands on development, providing the opportunity to lead a team while actively designing, developing, and delivering enterprise applications.The successful candidate will leverage technologies including C#/.NET Core, React, S

We are seeking a highly accomplished Senior Software Developer for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier engineering capacity within application development and software modernization streams, specializing in designing, configuring, extending, and integrating Microsoft Dynamics 365 Customer Engagement (CE) solutions.As a principal software developer, you will bridge the gap between technical arc

We are seeking a highly accomplished Intermediate Database Administrator for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a pivotal technical capacity within core database operations, enterprise resource planning (ERP), and CRM administration streams, specializing in managing, optimizing, and supporting both on-premises and Azure cloud database environments.As a principal database authority, you will bridge the

On behalf of our client, a premier financial services institution, our recruiting agency is seeking a highly skilled Director, Advance Planning (Bilingual – Mandarin) for a 6-month contract opportunity in Toronto, with the possibility of extension.In this role, you will serve as a regional tax and estate planning subject matter expert. You will deliver advanced planning advice to end clients through financial advisors, support sales teams, and provide educ

A market-leading industrial supply and packaging distribution corporation is expanding its Greater Toronto Area footprints. We are seeking a highly autonomous, disciplined Outside Sales Representative to pioneer and build out a commercial territory from scratch. This unique career path bridges the gap between high-intensity new business development and comprehensive, end-to-end account management.The ideal professional comes seasoned from a product distrib

Our client, an innovative and growing technology leader, is seeking a talented Angular Front End Developer to join their engineering team. In this role, you will serve as the primary developer for the organization's core Angular (v14+) applications, designing and building robust, highly scalable Single Page Applications (SPAs).This position is ideal for a senior-level front-end specialist who thrives on implementing clean architecture, reactive programming

Are You Ready to Architect High-Scale Enterprise Integrations? Do you have 10+ years of software engineering experience with 4+ years dedicated to integration platform engineering? Are you an expert in Azure Functions, C#, APIs, Terraform/Bicep, and DevSecOps pipelines? Looking for a stable, 100% Remote 1-year contract supporting enterprise cloud infrastructure for a major national financial institution? If so.... Our team is seeking a Senior Azure Inte

We are seeking a highly accomplished Senior Project Manager/Leader to drive the planning, delivery, and governance of high-profile, complex, and mission-critical enterprise I&IT initiatives. In this role, you will hold complete operational ownership over the end-to-end project lifecycle, steering large-scale business transformations and the integration of advanced software solutions. Operating as a principal delivery authority, you will manage cross-functi

A leading national distributor of industrial packaging solutions is seeking a dynamic B2B Territory Sales Representative to expand its market footprint across Ontario. This position offers the autonomy of a field-based sales role backed by the infrastructure, supply chain network, and brand reputation of an industry leader. The successful candidate will blend tactical business development with strategic account management to drive long-term revenue growth.

We are seeking a highly accomplished Senior Middleware Specialist for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier engineering and architectural capacity within middleware, platform integration, and cloud modernization streams, specializing in maintaining robust enterprise integration engines and migrating legacy workflows to cloud-native architectures.As a principal middleware authority, you will brid

Our client, is seeking a seasoned Solutions Developer IV to join an established, high-performing Agile delivery pod.In this senior development role, you will collaborate closely with a multi-disciplinary team—including a Product Owner, Business Systems Analyst, developers, and Quality Engineers—to design, develop, and build full-stack components for Java web-enabled, thick-client, and database-driven applications. You will apply advanced analytical skills

Amazing opportunity for someone who lives in or close to the Kitchener/Waterloo area. We are also willing to assist with relocation costs if you choose to relocate to be closer to work. Please note, in order to qualify for relocation support you must be outside of 500km from their place of work. This is a hybrid role with 4 days in office (mandatory for management and above).Summary of the Role: As a Software Engineering Manager, you will sit at the int

Our client, a leading financial institution, is seeking an experienced Business Analyst IV to join their Liquidity & Non-Market Trading Risk team in Toronto. This opportunity is ideal for a seasoned business analyst with strong expertise in liquidity risk measurement, regulatory reporting, and financial risk systems enhancement.This is a long-term contract opportunity supporting business-as-usual (BAU) enhancements across existing liquidity systems and ris

Randstad is currently recruiting for a full-time, 5 days on-site, Client Advisor Assistant for our client in Waterloo to join a premier, boutique wealth management firm.In this role, you will serve as the essential link between high-net-worth clients, Portfolio Managers, and internal operations to ensure flawless account administration and high-touch service.If you are an experienced Client Advisor Assistant with discretionary wealth management experience

We are seeking a highly accomplished Senior Technology Architect for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier architectural leadership capacity within the digital health and enterprise application streams, specializing in designing secure, scalable, and interoperable public-facing web applications.As a principal technology architect, you will bridge the gap between business objectives, complex heal

Our client, is seeking a talented and proactive Application Security Analyst to join their Global Cyber Security division.In this critical technical role, you will act as a key accelerator for the organization's enterprise-wide DevSecOps transformation. You will lead the evaluation, custom tuning, and integration of automated application security tools and compliance guardrails directly inside global CI/CD pipelines. This position requires an analyst who b

Are you an experienced MIG Welder looking to take the next step in your career? A leading manufacturing company in Waterloo has an immediate opening for a MIG Welder to join their team full-time at $23.75 per hour. This MIG Welder position in Waterloo offers steady hours, a solid shift premium, and long-term career growth in a fast-paced manufacturing environment.Advantages- Earn $23.75 per hour with a $1.00 per hour shift premium on the afternoon shift sc

We are seeking an experienced, high-performing Software Developer to drive the analysis, design, development, and integration of large-scale, multi-tiered enterprise solutions. In this role, you will take technical ownership across the full application lifecycle, translating complex functional specifications into secure, high-quality code. Working across multi-platform environments, you will architect solution components, build robust web services and user

Our client, is seeking an experienced and technical OneStream Developer — Business Rules and Calculation Engine to join their financial systems and enterprise performance management (EPM) team.In this specialized contract role, you will play a pivotal role in designing, building, and maintaining core platform metadata and complex finance business rules within the OneStream ecosystem. You will serve as the technical subject matter expert responsible for opt

We are seeking an experienced Senior Software Developer with specialized GIS system expertise to lead the technical development, upgrade, and maintenance of enterprise spatial applications. In this role, you will modernize and transition legacy Geocortex-based web applications to the next-generation VertiGIS platform. Operating across full SDLC phases, you will translate complex business requirements into high-performing geospatial solutions, engineer auto

We are seeking a detail-oriented Intermediate Systems Testing/QA Specialist to drive quality assurance and testing execution for large-scale enterprise applications. In this role, you will advise on testing strategies, select appropriate QA tools, and organize comprehensive test plans across Graphical User Interface (GUI) and non-GUI environments. Working closely with project leads, developers, and business analysts, you will design, build, and execute fun

We are seeking a highly accomplished Senior Systems Testing/QA Specialist for an enterprise-level contract opportunity based in Peterborough. In this role, you will take on a premier quality engineering capacity within software testing and quality assurance streams, specializing in GIS-based applications and IT infrastructure modernization projects.As a principal QA authority, you will bridge the gap between technical infrastructure, geographic information