senior back-end javascript developer jobs in Toronto

What if you could use your technology skills to work on products that make an impact when it comes to delivering unforgettable client experiences? We've moved away from digitizing simple banking capabilities, to end-to-end transformation of our customers journeys. Our secret sauce is in how we collaborate to drive impact with a blend of our business and...

Job Description What if you could use your technology skills to work on products that make an impact when it comes to delivering unforgettable client experiences? We’ve moved away from digitizing simple banking capabilities, to end-to-end transformation of our customers journeys. Our secret sauce is in how we collaborate to drive impact with a blend of our...

We are looking for a highly skilled Senior .NET Backend Developer to join our backend team. In this role, you will be responsible for designing, developing, and maintaining robust and scalable backend systems using .NET technologies. The ideal candidate has a deep understanding of software architecture, clean coding practices, and experience building...

Job Description What if you could use your technology skills to work on products that make an impact when it comes to delivering unforgettable client experiences? We've moved away from digitizing simple banking capabilities, to end-to-end transformation of our customers journeys. Our secret sauce is in how we collaborate to drive impact with a blend of our...

We are looking for a highly skilled Senior .NET Backend Developer to join our backend team. In this role, you will be responsible for designing, developing, and maintaining robust and scalable backend systems using .NET technologies. The ideal candidate has a deep understanding of software architecture, clean coding practices, and experience building...

Hybrid, 3-4 days in office, Downtown Toronto This permanent role is suitable for a engineer with 8 to 15 years of career experience (5-10 as a senior engineer). Experienced with: Microservice architecture and containerization Kafka cloud or local Large mission critical online applications design and infrastructure configuration Relational and non-relational...

Yoush Consulting is excited to partner with a Canadian start-up to help build their next global success. We are hiring the best talent in Information Technology in Toronto, and across several European countries. If you wish to be part of a global success story building life changing technologies that help millions of people living a healthier life, then you...

Backend Developer with 6-8 years of experience, with strong expertise in Kotlin.Hands-on experience with Java, Spring Boot, Spring Security, and Node.js.Strong background in REST/SOAP APIs, Microservices, and Event-Driven architectures.Experience with JUnit, Cucumber, BDD, TDD, and continuous integration practices.Proficient in Jenkins, GitHub Actions, and...

About the job RQ07898:Senior Back End Developer Responsibilities: Responsible for managing the interchange of data between the server and the users. Required to translate technical systems specifications into working, tested applications. This includes: developing detailed programming specifications, writing and/or generating code, compiling data-driven...

About the OpportunityOur client is a well-established and growing financial technology organization providing electronic marketplace and data solutions to major participants within the Canadian capital markets.They are looking for a Senior Java Developer to join their Markets Technology team. This individual will play a key role in designing and developing...

Become a Senior Back End Developer at CIBC in Toronto focusing on Scala technology. Drive system innovations in a hybrid working environment. This position within CIBC’s Core Banking and Payments Technology offers an opportunity to influence the design and integration of robust application systems. The role demands experience in Azure and involves leading...

Become a key part of our team as a Back End Developer in a hybrid work environment situated in Downtown Toronto. Your microservice skills and database experience will drive key application projects. This permanent position is perfect for an engineer with 8 to 15 years of experience, particularly those with 5 to 10 years in senior engineering roles. You'll...

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of...

Job Title : Backend Engineer – Python (API & Platform Engineering) X13 (ongoing roles)Duration : ASAP to Dec 2026 plus extensions Location: Downtown, Toronto Ontario - Onsite Education: Bachelor’s or Master’s degree Experience: 5–10+ years (backend-focused)Note : In person Interview in Toronto is MANDATORY.Role OverviewClient is looking for a...

We are seeking a Senior Back-End Software Developer to design, build, and maintain scalable, cloud-based applications. This role focuses on developing robust server-side logic, integrating systems, and ensuring high performance and reliability of enterprise applications. The ideal candidate will bring strong experience in cloud technologies, DevOps...

RQ09300 - Software Developer - Back End - Senior Job Openings RQ09300 - Software Developer - Back End - Senior About the job RQ09300 - Software Developer - Back End - Senior Responsibilities / Deliverable / Skill Set Requirements Analysis leading to detailed information related to the current system logical and physical design and code structures during the...

We are looking for a Senior Back-End Software Developer, skilled in cloud application architecture and API creation. Your role will focus on ensuring the performance and reliability of enterprise applications. As a key team member, you'll bring 8+ years of experience to design and maintain cloud-based systems. You will manage data flow, translate technical...

Drive innovation in healthcare solutions as a Back End Developer with Yoush Consulting, working remotely from Toronto. Engage in building web applications that make a difference. This position at Yoush Consulting seeks a motivated Back End Developer to assist in creating applications for cancer informatics. You will analyze complex systems, collaborate with...

About The RoleWhat if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers in Toronto to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable...

Become a Staff Back End Developer at Forma.ai, where technology meets innovation in sales compensation solutions. Your experience will help shape our backend systems while fostering a culture of quality and collaboration. In this role, you will report to the Manager of Data Platform and play a critical part in evolving our backend services using Spark and...