1,716,036+ Full Stack Java Api Ui Engineer Jobs in Canada — Top Companies Hiring June 2026

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Senior Siebel CRM Engineer – Oracle & API Integrations

A leading technology solutions provider is seeking a Senior Software Developer to support the Government of Ontario's initiatives using Oracle Siebel. The role includes conducting support and maintenance, developing integrations, and troubleshooting complex issues. Ideal candidates have over 10 years of experien ...

DevOps Test Automation Engineer – API, Cloud, SAP

DevOps Test Automation Engineer – API, Cloud, SAP Skills: AI and Automation: Automated QA - TestComplete: Selenium Experience Required: 8-10 Location: Markham, ON - Hybrid Role Descriptions: Min 10 years of experience in API Au ...

Back End Web Engineer ASP.NET & API Specialist

A telecommunications company in Metro Vancouver is seeking an experienced software developer to design and test website-related code. The ideal candidate will have skills in ASP.NET, C#, and various databases, and should thrive in a fast-paced environment. Responsibilities include integrating e-commerce applicat ...

Staff Software Engineer — Search Platform, API & Infrastructure

Overview Advanced Content Engineering (ACE) is seeking a Staff Software Engineer to lead the design and delivery of the search platform’s control‑plane API and cloud infrastructure. The platform’s core promise is self‑service: internal client teams must be able to create a search system, configur ...

Guidewire BillingCenter QA Engineer — Test Automation & API

A software solutions company is hiring a Quality Engineer specializing in Guidewire BillingCenter to support Insurance Suite implementations. The role includes responsibilities in test planning, automation, and defect management. Ideal candidates should have strong skills in Core Java and API testing, with famil ...

Senior API Engineer REST, Spring Boot, Azure

A software development company in Toronto is seeking a Senior Software Developer with expertise in API development. The ideal candidate will have over 8 years of experience in designing and building RESTful APIs. You will be responsible for ensuring high performance under load and integrating secure authenticati ...

Senior QA Engineer — Automation, API & UAT Lead

A leading bank in the Americas is seeking a skilled QA Analyst in Toronto to ensure the quality of application deliverables. The role requires 5+ years of test automation experience, particularly with Selenium and API testing. You will collaborate with development teams to enhance product quality throughout the ...

Senior Azure Cloud Engineer — API & Integration Lead

A leading Canadian consulting firm in Ontario is seeking a Senior Developer to design and maintain cloud-based solutions on Microsoft Azure. The role requires collaboration with cross-functional teams, strong integration knowledge, and emphasis on cloud security. Candidates should have a degree in Computer Scien ...

Senior Backend Web API Engineer – Games (Hybrid)

A notable gaming company in Canada seeks an experienced back-end Online Developer to join a tech team. You will contribute across the full software development lifecycle using your JavaScript skills to build and support internal and external web APIs. The role offers flexibility with hybrid work options and prov ...

QA Engineer II – Kids Apps & API Automation

A leading technology company is looking for a talented Quality Assurance Engineer II to join their team in Toronto, Ontario. The role involves designing and implementing test strategies, automation testing, and defining quality metrics. Candidates should have 3+ years of experience in quality assurance engineeri ...

Senior Software Engineer — Growth, UX & API Systems

A leading global news organization is looking for a Senior Software Engineer in Ottawa to enhance user experiences across digital platforms. This engineer will design and maintain software systems, optimize performance, and collaborate closely with designers and product partners. Candidates should have at least ...

Senior Software Engineer Laravel/React & Go API

A growing tech company in Toronto, Ontario is looking for an experienced Software Developer to join their ambitious team. The role involves developing server-side applications using PHP and Golang, optimizing APIs, and implementing front-end features with React.js. This position offers great remote benefits, inc ...

Senior SDET Engineer Web/API Automation (Hybrid)

A leading software company is seeking an experienced Senior SDET Engineer to join their Vancouver team in a hybrid work setting. Your responsibilities will include creating and maintaining QA test services, collaborating with developers, and ensuring system performance. The ideal candidate has a degree in Comput ...

Senior Distributed Systems Engineer: Cloud & API Design

Une grande institution financière recherche un ingénieur logiciel senior pour exécuter des stratégies d'ingénierie centrées sur des plateformes logicielles distribuées. Le candidat idéal aura au moins 5 à 7 ans d'expérience avec un fort accent sur Java, NodeJS, et des environnements cloud. Les responsabilités in ...

Senior SDET Engineer Web/API Automation (Hybrid)

A leading software company is seeking an experienced Senior SDET Engineer to join their Vancouver team in a hybrid work setting. Your responsibilities will include creating and maintaining QA test services, collaborating with developers, and ensuring system performance. The ideal candidate has a degree in Comput ...

Senior .NET API Engineer — OSOR Data Exchange

A leading software development firm in Toronto is seeking a Senior Software Developer with over 10 years of experience in .NET technologies. The role requires involvement in application design and enhancements for a critical data exchange system. Candidates should possess strong skills in ASP.NET and experience ...

Senior Automation Engineer — Power Automate & API Integrations

A leading staffing firm in Toronto is seeking a Senior Software Developer to design and implement automation, integrations, and reporting solutions. The ideal candidate will have over 10 years of experience in developing secure APIs using Java and extensive experience with Microsoft Power Automate for complex au ...

Azure Cloud Platform Engineer – IaC & API Management

A leading wealth management organization in Toronto is seeking a highly skilled Azure Systems Administrator to design and optimize their Azure cloud infrastructure. This role emphasizes collaboration and requires expertise in Infrastructure as Code and CI/CD practices. The ideal candidate will have extensive exp ...

Senior Front End Engineer (Hybrid) React & API

A government technology consulting firm in Toronto is seeking a Senior Software Developer - Front End. The role involves developing user support experience platforms and requires extensive knowledge of front-end technologies including HTML, Java, and React. Ideal candidates should have over 6 years of experience ...

Hybrid Front End Engineer React & API Integrations

A technology advisory firm in Toronto is seeking an Intermediate Front End Software Developer to enhance user support by developing public-facing websites. You will work on integrating with existing systems and ensuring compliance with accessibility standards. Ideal candidates have over 3 years of experience wit ...

Senior IT Software Engineer API Integrations & Automation

A leading IT solutions provider in Canada is seeking an experienced IT Software Developer to focus on automation and data synchronization between Rally and Jira. The ideal candidate will possess strong expertise in Python scripting and Java development, ensuring uptime and performance of enterprise IT systems wh ...

Senior Python API Engineer — FastAPI & Scalable REST

A global technology services firm is seeking an experienced Python Developer to design high-performance REST APIs using FastAPI. The ideal candidate should have over 5 years of programming experience and deep knowledge of REST API design principles. This role requires collaboration with the front-end team and me ...

Senior API Platform Engineer – Kong, Kubernetes & Security

A leading performance apparel company in Vancouver is seeking a Senior Platform Engineer - API to manage and optimize their API Gateway. This role involves collaborating with cross-functional teams, implementing security policies, and mentoring junior staff. The ideal candidate should have 3-5 years of experienc ...

Senior Software Engineer Laravel/React & Go API

A growing tech company in Toronto, Ontario is looking for an experienced Software Developer to join their ambitious team. The role involves developing server-side applications using PHP and Golang, optimizing APIs, and implementing front-end features with React.js. This position offers great remote benefits, inc ...

Senior Software Engineer Laravel/React & Go API

A growing tech company in Toronto, Ontario is looking for an experienced Software Developer to join their ambitious team. The role involves developing server-side applications using PHP and Golang, optimizing APIs, and implementing front-end features with React.js. This position offers great remote benefits, inc ...

Guidewire BillingCenter QA Engineer — Test Automation & API

A software solutions company is hiring a Quality Engineer specializing in Guidewire BillingCenter to support Insurance Suite implementations. The role includes responsibilities in test planning, automation, and defect management. Ideal candidates should have strong skills in Core Java and API testing, with famil ...

Senior Software Engineer Laravel/React & Go API

A growing tech company in Toronto, Ontario is looking for an experienced Software Developer to join their ambitious team. The role involves developing server-side applications using PHP and Golang, optimizing APIs, and implementing front-end features with React.js. This position offers great remote benefits, inc ...

Senior Software Engineer Laravel/React & Go API

A growing tech company in Toronto, Ontario is looking for an experienced Software Developer to join their ambitious team. The role involves developing server-side applications using PHP and Golang, optimizing APIs, and implementing front-end features with React.js. This position offers great remote benefits, inc ...

Senior Software Engineer Laravel/React & Go API

A growing tech company in Toronto, Ontario is looking for an experienced Software Developer to join their ambitious team. The role involves developing server-side applications using PHP and Golang, optimizing APIs, and implementing front-end features with React.js. This position offers great remote benefits, inc ...

Senior Software Engineer Laravel/React & Go API

A growing tech company in Toronto, Ontario is looking for an experienced Software Developer to join their ambitious team. The role involves developing server-side applications using PHP and Golang, optimizing APIs, and implementing front-end features with React.js. This position offers great remote benefits, inc ...

Senior Software Engineer Laravel/React & Go API

A growing tech company in Toronto, Ontario is looking for an experienced Software Developer to join their ambitious team. The role involves developing server-side applications using PHP and Golang, optimizing APIs, and implementing front-end features with React.js. This position offers great remote benefits, inc ...

Lead Engineer for API and Infrastructure Development

Take charge as Lead Engineer, focusing on API and cloud infrastructure for search platforms. Drive the design of robust management frameworks and enhance self-service capabilities for clients.This senior role blends technical leadership with hands-on engineering. You will design the API control plane a ...

Staff Software Engineer — Search Platform, API & Infrastructure

Overview of the Role Advanced Content Engineering (ACE) is seeking a Staff Software Engineer to lead the design and delivery of the search platform’s control‑plane API and cloud infrastructure. The platform’s core promise is self‑service: internal client teams must be able to create a search system, configure an ...

Senior Software Engineer Laravel/React & Go API

A growing tech company in Toronto, Ontario is looking for an experienced Software Developer to join their ambitious team. The role involves developing server-side applications using PHP and Golang, optimizing APIs, and implementing front-end features with React.js. This position offers great remote benefits, inc ...

Remote MuleSoft Platform Engineer | Spring Boot & API

A leading IT consulting company is seeking a Lead MuleSoft Platform Support Engineer to provide remote support for MuleSoft integrations and Spring Boot APIs in Canada. This mid-senior level contract role involves troubleshooting issues, conducting root-cause analysis, and ensuring application health using monit ...

Remote MuleSoft Platform Engineer | Spring Boot & API

A leading IT consulting company is seeking a Lead MuleSoft Platform Support Engineer to provide remote support for MuleSoft integrations and Spring Boot APIs in Canada. This mid-senior level contract role involves troubleshooting issues, conducting root-cause analysis, and ensuring application health using monit ...

Remote MuleSoft Platform Engineer | Spring Boot & API

A leading IT consulting company is seeking a Lead MuleSoft Platform Support Engineer to provide remote support for MuleSoft integrations and Spring Boot APIs in Canada. This mid-senior level contract role involves troubleshooting issues, conducting root-cause analysis, and ensuring application health using monit ...

Remote MuleSoft Platform Engineer | Spring Boot & API

A leading IT consulting company is seeking a Lead MuleSoft Platform Support Engineer to provide remote support for MuleSoft integrations and Spring Boot APIs in Canada. This mid-senior level contract role involves troubleshooting issues, conducting root-cause analysis, and ensuring application health using monit ...

Remote MuleSoft Platform Engineer | Spring Boot & API

A leading IT consulting company is seeking a Lead MuleSoft Platform Support Engineer to provide remote support for MuleSoft integrations and Spring Boot APIs in Canada. This mid-senior level contract role involves troubleshooting issues, conducting root-cause analysis, and ensuring application health using monit ...

Remote MuleSoft Platform Engineer | Spring Boot & API

A leading IT consulting company is seeking a Lead MuleSoft Platform Support Engineer to provide remote support for MuleSoft integrations and Spring Boot APIs in Canada. This mid-senior level contract role involves troubleshooting issues, conducting root-cause analysis, and ensuring application health using monit ...

Remote MuleSoft Platform Engineer | Spring Boot & API

A leading IT consulting company is seeking a Lead MuleSoft Platform Support Engineer to provide remote support for MuleSoft integrations and Spring Boot APIs in Canada. This mid-senior level contract role involves troubleshooting issues, conducting root-cause analysis, and ensuring application health using monit ...

Remote MuleSoft Platform Engineer | Spring Boot & API

A leading IT consulting company is seeking a Lead MuleSoft Platform Support Engineer to provide remote support for MuleSoft integrations and Spring Boot APIs in Canada. This mid-senior level contract role involves troubleshooting issues, conducting root-cause analysis, and ensuring application health using monit ...

Senior Python API Engineer — FastAPI & Scalable REST

A global technology services firm is seeking an experienced Python Developer to design high-performance REST APIs using FastAPI. The ideal candidate should have over 5 years of programming experience and deep knowledge of REST API design principles. This role requires collaboration with the front-end team and me ...

Remote Senior QA Automation Engineer (Shopify/API)

A boutique eCommerce agency is seeking a senior QA automation specialist in Canada. The role includes supporting a team of developers on Shopify projects, focusing on API integrations, business logic tweaks, and site performance tuning. Ideal candidates have strong QA experience, proficiency in automation, and a ...

Hybrid Front End Engineer React & API Integrations

A technology advisory firm in Toronto is seeking an Intermediate Front End Software Developer to enhance user support by developing public-facing websites. You will work on integrating with existing systems and ensuring compliance with accessibility standards. Ideal candidates have over 3 years of experience wit ...

Staff Software Engineer — Search Platform, API & Infrastructure

Overview Advanced Content Engineering (ACE) is seeking a Staff Software Engineer to lead the design and delivery of the search platform’s control‑plane API and cloud infrastructure. The platform’s core promise is self‑service: internal client teams must be able to create a search system, configure an ingestion t ...

Senior Azure Cloud Engineer — API & Integration Lead

A leading Canadian consulting firm in Ontario is seeking a Senior Developer to design and maintain cloud-based solutions on Microsoft Azure. The role requires collaboration with cross-functional teams, strong integration knowledge, and emphasis on cloud security. Candidates should have a degree in Computer Scien ...

Senior QA Engineer — Automation, API & UAT Lead

A leading bank in the Americas is seeking a skilled QA Analyst in Toronto to ensure the quality of application deliverables. The role requires 5+ years of test automation experience, particularly with Selenium and API testing. You will collaborate with development teams to enhance product quality throughout the ...

Senior Software Engineer Laravel/React & Go API

A growing tech company in Toronto, Ontario is looking for an experienced Software Developer to join their ambitious team. The role involves developing server-side applications using PHP and Golang, optimizing APIs, and implementing front-end features with React.js. This position offers great remote benefits, inc ...

Senior API Engineer REST, Spring Boot, Azure

A software development company in Toronto is seeking a Senior Software Developer with expertise in API development. The ideal candidate will have over 8 years of experience in designing and building RESTful APIs. You will be responsible for ensuring high performance under load and integrating secure authenticati ...

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