149,365+ Back End Developer Api Engineering Jobs in Toronto, Canada — Local Employers Hiring June 2026

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Back End Developer (API Engineering)

Design, develop, test, and maintain scalable, secure, and high‑quality software solutions on AWS. Own features end‑to‑end, from design and implementation through production deployment and support. Collaborate closely with Product, Architecture, QA, SRE, and downstream partner teams. Follow engineering stan ...

Back End Developer (API Engineering)

Design, develop, test, and maintain scalable, secure, and high‑quality software solutions on AWS. Own features end‑to‑end, from design and implementation through production deployment and support. Collaborate closely with Product, Architecture, QA, SRE, and downstream partner teams. Follow engineering stan ...

Back End Developer (API Engineering)

Design, develop, test, and maintain scalable, secure, and high‑quality software solutions on AWS. Own features end‑to‑end, from design and implementation through production deployment and support. Collaborate closely with Product, Architecture, QA, SRE, and downstream partner teams. Follow engineering standards, ...

Back End Developer (API Engineering)

Design, develop, test, and maintain scalable, secure, and high‑quality software solutions on AWS. Own features end‑to‑end, from design and implementation through production deployment and support. Collaborate closely with Product, Architecture, QA, SRE, and downstream partner teams. Follow engineering stan ...

Back End Developer

This role is offered in partnership with Gluo, our sister company in Mexico. As part of our collaborative efforts, you will work closely with both our internal teams and Gluo to achieve our strategic goals. Orium is seeking a Software Developer who approaches technology with curiosity, to contribute ...

Back End Developer

We are seeking an experienced Senior Backend Developer to join our engineering team ASAP, who is responsible for the cloud-native backbone powering InterAction+, CRM solution for law firms and professional services organizations. This role requires a self-driven engineer who can take full o ...

Back End Developer

To help develop credit card web applications built on AWS using Java. Responsibilities Lead the development of applications using enterprise Java technology Work within and across Agile teams to design, develop, test, implement and support technical solutions across a full-s ...

Back End Developer

We have an opportunity for Java Backend Engineer with one of our clients in Toronto, Canada . Terms: Long Term Contract Responsibilities Build and maintain Java, GraphQL, Spring/Springboot, REST APIs, and messaging systems. Develop data-drive ...

Back End Developer

We are seeking an experienced Senior Backend Developer to join our engineering team ASAP, who is responsible for the cloud-native backbone powering InterAction+, CRM solution for law firms and professional services organizations. This role requires a self-driven engineer who can take full o ...

Back End Developer

We are looking for a Back End Developer to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. To apply to this role, you will need to be proficient in either Python and/or JavaScript. Yo ...

Back End Developer

We have an opportunity for Java Backend Engineer with one of our clients in Toronto, Canada . Terms: Long Term Contract Responsibilities Build and maintain Java, GraphQL, Spring/Springboot, REST APIs, and messaging systems. Develop data-drive ...

Back End Developer

To help develop credit card web applications built on AWS using Java. Responsibilities Lead the development of applications using enterprise Java technology Work within and across Agile teams to design, develop, test, implement and support technical solutions across a full-s ...

Back End Developer

Design, develop, and maintain applications using Java and SQL technologies. Implement and manage CI/CD pipelines to ensure efficient and automated deployments. Participate in migration projects, including system upgrades and data transformation activities. Support software u ...

Back End Developer

Design, develop, and maintain applications using Java and SQL technologies. Implement and manage CI/CD pipelines to ensure efficient and automated deployments. Participate in migration projects, including system upgrades and data transformation activities. Support software upgrade initiatives and ensure system s ...

Back End Developer

We have an opportunity forJava Backend Engineerwith one of our clients inToronto, Canada .Terms: Long Term ContractResponsibilitiesBuild and maintain Java, GraphQL, Spring/Springboot, REST APIs, and messaging systems.Develop data-driven applic ...

Back End Developer

We are seeking an experienced Senior Backend Developer to join our engineering team ASAP, who is responsible for the cloud-native backbone powering InterAction+, CRM solution for law firms and professional services organizations. This role requires a self-driven engineer who can take full o ...

Back End Developer

Design, develop, and maintain applications using Java and SQL technologies. Implement and manage CI/CD pipelines to ensure efficient and automated deployments. Participate in migration projects, including system upgrades and data transformation activities. Support software u ...

Back End Developer

We are seeking an experiencedSenior Backend Developerto join our engineering team ASAP, who is responsible for the cloud-native backbone powering InterAction+, CRM solution for law firms and professional services organizations.This role requires a self-driven engineer who can take f ...

Back End Developer

Job Description Insight Global is looking for a Backend Developer to join a leading wealth management client supporting the continued buildout of a digital advisor portal. This initiative is a high-priority, enterprise-wide effort focused on delivering new features and enhancing the overall advis ...

Back End Developer

To help develop credit card web applications built on AWS using Java.Responsibilities Lead the development of applications using enterprise Java technologyWork within and across Agile teams to design, develop, test, implement and support technical solutions across a full-stack of development ...

Back End Developer

To help develop credit card web applications built on AWS using Java. Responsibilities Lead the development of applications using enterprise Java technology Work within and across Agile teams to design, develop, test, implement and support technical solutions ...

Back End Developer

We are seeking an experienced Senior Backend Developer to join our engineering team ASAP, who is responsible for the cloud-native backbone powering InterAction+, CRM solution for law firms and professional services organizations. This role requires a self-driven engineer who can take fu ...

Back End Developer

Design, develop, and maintain applications using Java and SQL technologies. Implement and manage CI/CD pipelines to ensure efficient and automated deployments. Participate in migration projects, including system upgrades and data transformation activities. Support software u ...

Back End Developer

We have an opportunity for Java Backend Engineer with one of our clients in Toronto, Canada . Terms: Long Term Contract Responsibilities Build and maintain Java, GraphQL, Spring/Springboot, REST APIs, and messaging systems. <l ...

Back End Developer

Job Description Insight Global is looking for a Backend Developer to join a leading wealth management client supporting the continued buildout of a digital advisor portal. This initiative is a high-priority, enterprise-wide effort focused on delivering new features and enhancing the overall a ...

Back End Developer

Job DescriptionInsight Global is looking for a Backend Developer to join a leading wealth management client supporting the continued buildout of a digital advisor portal. This initiative is a high-priority, enterprise-wide effort focused on delivering new features and enhancing the overall advisor and client ...

Back End Developer

We are looking for a Back End Developer to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. To apply to this role, you will need to be proficient in either Python and/or JavaScript. Yo ...

Consultant, Back End Developer

Nous bâtissons une banque axée sur les relations pour un monde moderne. Nous recrutons des professionnels talentueux et passionnés qui ont à cœur de faire ce qu’il faut pour nos clients. À la Banque CIBC, nous misons sur vos forces et vos ambitions pour vous donner le pouvoir d’agir. Les membres de not ...

Back End Software Developer

Research and Development Full Time Toronto, ON Hybrid $88,000 - $95,000 CAD per year Full-Time Role ABOUT MIMOSA DIAGNOSTICS MIMOSA provides a proactive approach to vascular health and wound care, empowering clinicians to implement earlier interventions, or even prevent interventio ...

Back End Platform Developer

Research and Development Full Time Toronto, ON Hybrid Full-Time Role ABOUT MIMOSA DIAGNOSTICS Build Code That Saves Lives. MIMOSA Diagnostics isn’t just another health-tech startup. We are closing the gap in health equity by putting tools into the hands of clinicians worldwide. Ou ...

Senior Back End Developer

Senior Back-End Developer Rumble is the Freedom-First technology platform. We proudly offer a video platform, cloud services, advertising solutions, and a non-custodial cryptocurrency wallet. The Senior Back-End Developer is responsible for designing, building, and maintai ...

Back End Software Developer

Hybrid/Remote Position - Based in Canada Full Time Toronto, ON Hybrid Full-Time Role ABOUT MIMOSA DIAGNOSTICS MIMOSA provides a proactive approach to vascular health and wound care, empowering clinicians to implement earlier interventions, or ev ...

Junior Back End Developer

Analyticsmart is a boutique analytics firm specializing in the Consumer-Packaged Goods (CPG) industry across Canada and the United States. Our mission is to transform data into meaningful, measurable, and actionable insights that drive growth and profitability for businesses. By leveraging cutting- ...

Junior Back End Developer

Analyticsmart is a boutique analytics firm specializing in the Consumer-Packaged Goods (CPG) industry across Canada and the United States. Our mission is to transform data into meaningful, measurable, and actionable insights that drive growth and profitability for businesses. By leveraging cutting- ...

Back End Developer (Java)

To help develop credit card web applications built on AWS using Java. Responsibilities: Lead the development of applications using enterprise Java technology Work within and across Agile teams to design, develop, test, implement and support technical solutions acro ...

Back End Software Developer

Hybrid/Remote Position - Based in Canada Full Time Toronto, ON Hybrid Full-Time Role ABOUT MIMOSA DIAGNOSTICS MIMOSA provides a proactive approach to vascular health and wound care, empowering clinicians to implement earlier interventions, or ev ...

Back End Software Developer

Research and Development Full Time Toronto, ON Hybrid $88,000 - $95,000 CAD per year Full-Time Role ABOUT MIMOSA DIAGNOSTICS MIMOSA provides a proactive approach to vascular health and wound care, empowering clinicians to implement earlier interventions, or even prevent interventio ...

Junior Back End Developer

Analyticsmart is a boutique analytics firm specializing in the Consumer-Packaged Goods (CPG) industry across Canada and the United States. Our mission is to transform data into meaningful, measurable, and actionable insights that drive growth and profitability for businesses. By leveraging cutting- ...

Junior Back End Developer

Analyticsmart is a boutique analytics firm specializing in the Consumer-Packaged Goods (CPG) industry across Canada and the United States. Our mission is to transform data into meaningful, measurable, and actionable insights that drive growth and profitability for businesses. By leveraging cutting- ...

Senior Back End Developer

What is the Opportunity? We’re looking for an experienced Java Backend Developer to join our dynamic team. You'll play a crucial role in delivering innovative integration solutions for our Commercial Banking Platforms using cutting‑edge technologies. What will you do? As ...

Back End Platform Developer

Research and Development Full Time Toronto, ON HybridFull-Time RoleABOUT MIMOSA DIAGNOSTICS Build Code That Saves Lives. MIMOSA Diagnostics isn’t just another health-tech startup. We are closing the gap in health equity by putting tools into the hands of clinicians worldwide. Our technology h ...

Senior Back End Developer

Senior Back-End Developer Rumbleis the Freedom-First technology platform. We proudly offer a video platform, cloud services, advertising solutions, and a non-custodial cryptocurrency wallet.TheSenior Back-End Developeris responsible for designing, building, and maintaining ...

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