api jobs in Toronto

Req ID: 389309NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us.NTT DATA's Client is currently seeking an Onbase API Developer to join their team in Halifax, Nova Scotia (CA-NS), Canada (CA). REMOTEJob DescriptionOnbase API DeveloperJob SummaryWe are looking for an OnBase API Developer with strong experience...

HM Note: This onsite contract role is in office every day at the manager's discretion. Candidate resumes must include first and last name, email and telephone contact information.DescriptionResponsibilitiesRequired to translate technical systems specifications into working, tested applications.This includes:developing detailed programming...

Backend API leadership defines this Toronto-based Senior Lead Software Engineer position supporting IBM Safer Payments. Candidates need seven to ten years of software development experience. This role serves as a Subject Matter Expert for IBM Safer Payments and its payment processing systems. You will lead architecture, build backend services, and...

Global Payments recherche un(e) Conseiller(ère) en solutions pour rejoindre son équipe de consultation et aider les clients à naviguer des solutions de paiement innovantes. Vous collaborez avec les équipes Ventes, Produits et Implantation pour accélérer la croissance et garantir des expériences de paiement fluides et sécurisées.Le rôle exige une...

Become a Senior API and Backend Quality Analyst, focusing on executing critical test cases and validations. Bring your API testing expertise to our innovative team. This experienced role entails executing API and backend tests, validating complex pricing calculations, and developing comprehensive test scenarios. You will ensure the integrity of business...

Build API Management Platform capabilities at Intuit in Toronto, using Java, Python, JavaScript, and foundational object-oriented design. This is a hybrid role requiring three office days weekly. As a Software Engineer 1, you will develop platform components with guidance alongside engineers and Architects. The team supports RESTful, GraphQL, and Async...

Build and enhance Fiserv DNA solutions through APIs, integration interfaces, and software development from a remote Canadian contractor assignment. Apply hands-on banking technology expertise to connected systems.Aequilibrium is seeking senior developers with personal experience developing, integrating, testing, or supporting Fiserv DNA solutions. Depending...

Drive innovation as a Senior API Developer in Toronto, ON, focusing on cloud migration strategies. This hybrid role emphasizes expertise in REST APIs and microservices for application modernization. As a key contributor, you'll lead the analysis and migration of Azure and PCF applications to Atlas. Your responsibilities will include refactoring backend...

Build API-driven automation at DUCA as a Full-Stack Automation Engineer, using REST, JSON, OAuth, and OpenAPI across financial platforms.This full-time Information Technology position supports DUCA’s automation strategy across integration, process automation, and quality engineering. You will work with the Automation Lead, Applications and Data team,...

Senior Software Engineer - .NET, C# & APIs The Role Capco is seeking a Senior Software Engineer with strong expertise in C#, .NET, ASP.NET Core, and API development to join our Technology & Engineering practice in Toronto. In this role, you will design, develop, modernize, and maintain enterprise applications and APIs that support business-critical solutions...

Job SummaryThe Integration Lead Solution Architect will provide pre-system integration support, contribute to data platform initiatives, and collaborate with the Chief Data Office. The role will address integration challenges, support vendor build-out activities, and adapt technical solutions as project requirements evolve.Key Responsibilities• Provide...

Quix seeks a Senior Back-End Platform Engineer to design and build reliable service layers powering enterprise platforms and integration layers. You’ll define API contracts, data flows, and robust processing pipelines that scale and remain observable in production. Ideal candidates bring deep REST API and event-driven patterns expertise, strong testing...

Commit in Toronto is seeking a Senior Backend Engineer to join the Customer Focus Group (CFG). You will design and maintain backend services and APIs, translating customer needs into product improvements. The role emphasizes infrastructure, performance, scalability, and customer satisfaction, with collaboration across Product, Engineering, Sales, and...

Work Location: Toronto, Ontario, Canada Hours: 37.5 Line of Business: Technology Solutions Pay Details: $96,900 - $136,800 CAD TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and...

Scotiabank is seeking a Software Engineer (Python) in Toronto to design, develop, and support enterprise applications and data platforms. The role emphasizes Python, SQL, APIs, and scalable data pipelines, collaborating with business and technology teams to deliver high-performance solutions. The ideal candidate will have 7+ years of experience, strong...

Compunnel, Inc. is seeking a Software Developer V based in Toronto to design and review backend services and REST APIs. This role involves leading the orchestration of multiple upstream services while guiding the team on scalable service design and defining API contracts. The ideal candidate will have over 10 years of backend development experience,...

Fulcrum Consulting, an LRS company, is seeking a Business Systems Analyst to support a trading application in Toronto, Canada. The role focuses on trading processes, API testing, and SQL queries while coordinating with business users, developers, and QA teams.The candidate should have strong communication and analytical skills, basic SQL knowledge, and an...

Req ID: 389309 OnBase API Developer - Remote Canada Position We are looking for an OnBase API Developer with strong experience in Hyland OnBase, API integrations, and enterprise application development. The ideal candidate should have hands-on expertise in building, enhancing, and supporting integrations between OnBase and other enterprise systems using...

A technology firm in Toronto is seeking a Senior Software Developer to design and implement REST APIs in a complex enterprise environment. The ideal candidate has over 5 years of experience in API development and integration, strong skills in platforms like IBM API Connect and a solid understanding of microservices. This role requires excellent...

Select how often (in days) to receive an alert: Create Alert Date: Oct 9, 2026 Location: Toronto, ON, CA Company: NTT DATA Services NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, We are currently seeking a OnBase API...