Senior ruby developer jobs in Toronto, ON

 ...connectedness. Learn from deep subject matter experts through mentoring and on the job coaching -- We are seeking a strong Python developer on a 1 -year fixed term role , with practical experience building applications that leverage large language models (LLMs). The... 

 ...subject matter experts through mentoring and on the job coaching Summary We are seeking Senior Java Developers to join our team on a 1-year fixed term. As a Java Developer at Deloitte, you will play a crucial role in designing, developing, and maintaining Java-based... 

Experience and Skill Set Requirements ~10+ years' experience in the use of J2EE development tools ~ Experience in integration of commercially available API design and implementation (load balancing, discovery, resiliency). ~10+ experience with IBM Urban Code tools. ...

 ...peers to understand requirements. Develop solutions that are in line with the client's technology biases...  ...Other Languages English: C1 Advanced Seniority Senior... 

Application Deadline: 06/14/2026 Address: 33 Dundas Street West Job Family Group: Technology Keys for the role Developer with 5-10 years of C# development experience Banking / Financial industry experience preferred Knowledge of VaR and financial instruments... 

 ...Guidewire and are looking for a new challenge, we would love to hear from you. Zurich Canada is currently looking for a Guidewire Developer to develop & customize Guidewire Applications. Reporting to the Zurich Canada's Core Platforms Delivery Lead, you will help in... 

 ...RESTful APIs aligned to those designs Develop cloud-native applications (AWS preferred)...  ...Other Languages English: C1 Advanced Seniority Senior... 

 ...mapping of classes, field groups, identities, and attributes. Develop and implement AEP solutions such as RTCDP and configure its capabilities...  ...is $58,000 - $102,000 (Consultant level) or $80,000 - $138,000 (Senior Consultant level), and individuals may be eligible to participate... 

We are seeking a highly skilled Senior Software Developer specializing in Microsoft CRM/ERP architectures to support a major enterprise Modernization program. In this role, you will focus on delivering post-Minimum Viable Product (MVP) solution enhancements and evolution. Working... 

We are seeking a highly accomplished Senior Software Developer to lead the translation of complex technical systems specifications into high-performing, deployable applications. In this role, you will write and optimize code across multi-tier web platforms and modern cloud... 

 ...all aspects of the software development lifecycle, including influencing the overall design and architecture of the application and developing, testing, and deploying the code Interacting with users to understand requirements and integration needs, deploy applications, assist... 

 ...diverse teams and take your career wherever you want it to go.  Join EY and help to build a better working world.  As a Senior Frontend Developer within EY’s AI Centre of Excellence (COE) in the Office of the Chief Technology Officer, you will play a pivotal role in... 

 ...when the world is messy. Our stack is Ruby on Rails, Ember.js, and PostgreSQL, mature...  ...patch symptoms. Work closely with Developers, Product, Design, and stakeholders to shape...  ...improving system performance, reliability, or developer experience. Benefits Winner of... 

 ...boundaries of technology and create impactful solutions.   Job Summary Ouster is seeking a talented and highly motivated Edge-to-Cloud Developer to join our innovative Software Development team. In this role, you will play a crucial part in designing, developing, and deploying... 

 ...Silicon Valley tech startups. About the Role Reports to: Director of Web Operations & Delivery We're looking for a Senior WordPress Developer who builds smarter, not just faster. You bring deep technical expertise, a team-first mindset, and Claude Code is already a... 

 ...Scribendi is seeking a Senior Full-Stack Engineer to build AI-driven products that empower researchers worldwide.  You will work across...  ...stack to deliver scalable, high-performance applications and help develop agentic AI systems and intelligent collaboration tools that... 

You will work as a Senior Engineer in Public Markets Technology, partnering with investments' traders, investment professionals and operations...  ...Collaborate with team members to conceptualize, design and develop new software applications. Applications may be server-side enterprise... 

Education: Bachelor's degree Experience: 5 years or more or equivalent experience Computer and technology knowledge Agile Development and operations (DevOps) Informatica Jira Microsoft Dynamics AX (x++) Model-View-Controller (MVC) PowerBuilder Salesforce...

We are seeking an expert Senior Software Developer - ETL to lead critical data migration and engineering tracks for the Office of the Public Guardian and Trustee (OPGT) Modernization program. In this role, you will be responsible for migrating historical data from legacy systems... 

 ...connectedness. Learn from deep subject matter experts through mentoring and on the job coaching Summary We are seeking Senior .Net Developer to join our team on a 1-year fixed term. As a .Net Developer at Deloitte, you will play a crucial role in high-performance,... 

 ...where you will design, build, and optimize scalable applications used in real-world business environments. We are looking for a senior developer who can think architecturally, write clean and efficient code, and contribute to high-performance systems at scale. This is not... 

Senior .Net Developer Position Description This role is hybrid and requires you to be at a Client office at a minimum 1 day per week - subject to change at any time.  Senior Developer (.Net) CGI is a global business and technology service provider with $11.5B in revenues... 

 ...What is the opportunity? We’re seeking a talented Senior Full Stack Developer who will be developing and maintaining legacy and "Cloud First" applications written primarily in C# and focused on .Net Core and Azure cloud platform. What will you do? Collaborate with the... 

 ...Big Five Banks and is the pioneer in a number of mobile app developments earning accolades along the way – and we’re just getting...  ...patent pending invention () This role is seeking for a Senior Android Developer who is passionate about technology and brings depth of mobile... 

Senior Java Developer Position Description We are Canada's largest independent information technology services firm, and after 45+ years, we're still growing! Join Canada's largest IT Company as a Senior Java Developer, in our Financial Services Sector in Toronto.... 

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 ...Built it. Scale it. Own it. Sangoma is excited to announce an opening for a Senior Backend Developer to join our talented team. As a recognized leader in business communications solutions, we strive to provide innovative and effective services that empower businesses to thrive... 

 ...In response to the evolving education landscape, Nelson developed Edwin, a digital learning ecosystem. Edwin is a learning platform...  ...the Role Reporting to the Team Lead, Development, the Senior Full Stack Developer (Developer III) is responsible for instrumenting, deploying... 

 ...third-party vendor solutions Translate business requirements into clear, well-defined user stories and technical designs Design, develop, and deploy enterprise-grade applications, including: .NET-based applications Web services and RESTful APIs Cloud-native and... 

We are seeking a highly accomplished Senior Software Developer - Front End to lead the modern web architecture, accessibility auditing, and secure authentication engineering for a mission-critical central Special Events application. In this role, you will take absolute ownership...