senior full stack developer jobs in Toronto

About Mecka AI Mecka AI is building the data infrastructure layer for robotics and embodied AI.We design and operate global systems for data capture, data labeling, and hardware-enabled workflows used by leading AI labs and robotics companies to train and validate humanoid and embodied AI systems.We work closely with frontier robotics teams to bridge...

We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud deployments. You will develop scalable, secure and high‑performing enterprise applications using Java, Spring Boot, React, Node.js, Python and SQL.This role suits a strong...

OverviewInsight Global is seeking a Senior Full Stack Developer with strong expertise in .NET, AWS Cloud, and Angular to support the development of a risk profiling application for a leading bank in downtown Toronto. The role involves both BAU and new feature development, with a focus on automation and AI integration.ResponsibilitiesCollaborate with 2...

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...

Applying to the position, you may join one of the most respected and fastest growing institutional investors in the world. Our client is a professional investment management organization that globally invests the funds to ensure long‑term sustainability. The company invests in all major asset classes, including public equity, private equity, real estate,...

Build tested enterprise applications with Angular, MVC, Web API, and C# in a hybrid role based at 222 Jarvis St.The Senior Software Developer performs analysis and design from business requirements and technical specifications. Required expertise spans Angular, .NET Framework, ASP.NET, Web Services, and databases. The position also includes unit testing,...

Senior Full Stack Java Developer work follows a hybrid schedule, combining onsite delivery three days weekly with two days from home.This senior assignment supports large, complex, legacy applications using Java, J2EE, Jakarta, WebSphere, and Tomcat. The work spans sustenance analysis, technical design, implementation, testing, security, databases,...

Senior Java Full Stack Developer focused on microservices and REST APIs, designing enterprise platform capabilities across frontend, backend, integration, workflow, and data layers.This senior-level position delivers reusable platform services and service-specific integrations for modern enterprise applications. You will translate technical specifications...

Senior Full Stack Software Developer with Swift and Java expertise, working in a hybrid model onsite three days weekly and remotely two days.This senior developer supports the m-IMMS User Interface and integrated healthcare solutions. The work requires Swift, MobileFirst Platform, Java, Oracle, SQL, PL/SQL, JSON, XML, and ETL experience. You will translate...

As the largest Canadian-owned and operated K-12 publisher, Nelson Education Ltd. is Canada's only heritage education content provider, known for its innovative products and solutions catering to learners across the country. Nelson is on a mission to make learning accessible, engaging, and effective for all. That's why Nelson continuously strives to create...

Can You Develop Seamless Native and Cross-Platform Applications? Apply Now! Working with one of our top financial clients, this role calls for a Senior Full Stack Developer – iOS (Swift), NestJS/Node.js. This position involves developing and maintaining high-quality mobile applications and backend APIs, with a focus on both native iOS development using...

Select how often (in days) to receive an alert: Title: Senior Full Stack Developer (12 Months Maternity Contract) Requisition ID: 275435 At Tangerine,we’reredefining banking. As Canada’s leading digital bank, we thrive on innovation, agility, and bold thinking, tackling every challenge head‑on with leading technology and the unstoppable power of...

Use Java and REST APIs to build enterprise platform capabilities as a Senior Full Stack Developer working five days onsite. Your work spans frontend, backend, integration, and data-access layers. This senior position develops secure, scalable, observable, and maintainable applications for multiple government programs. You will build microservices, reusable...

Lead Java development for enterprise web applications and platform services in Toronto, working fully onsite five days weekly throughout an 11-month contract. This Senior Software Developer role spans technical design, development, integration, and maintenance. You will build microservices, REST APIs, reusable platform components, and database solutions....

Build AWS-based applications in Toronto’s hybrid Senior Full Stack Developer position, combining backend architecture with hands-on API development. Work onsite two days weekly while shaping secure, scalable solutions. Red Pico seeks a Senior Full Stack Developer to own backend architecture for self-service and access visibility solutions. You will develop...

Design secure Java platforms onsite, spanning user interfaces, APIs, services, workflows, integrations, and data-access layers. Apply REST and microservices expertise. This senior full stack developer builds enterprise capabilities supporting multiple government programs. The work includes reusable platform services and connections for registries,...

Elevate the fintech landscape as a Senior Engineer specializing in full-stack development at Relay. Focus on building reliable solutions for small business owners in a digital banking environment. As part of Relay's engineering team, your 3+ years of experience will help shape our banking products. You’ll be responsible for the development lifecycle of...

At Unity, we’re building a world-class advertising platform that operates at a massive global scale. The Ads team powers the systems that connect advertisers with creators and players, driving performance, reliability, and growth across our ecosystem. As a Senior Full-Stack Engineer on the Unified Ads Platform team, you’ll own the service layer where...

Our client is a professional investment management organization that globally invests the funds to ensure long‑term sustainability. The company invests in all major asset classes, including public equity, private equity, real estate, infrastructure and fixed‑income instruments. Being motivated every day by important social purpose and unshakable...

Can You Develop Seamless Native and Cross-Platform Applications? Apply Now! Working with one of our top financial clients, this role calls for a Senior Full Stack Developer – iOS (Swift), NestJS/Node.js. This position involves developing and maintaining high-quality mobile applications and backend APIs, with a focus on both native iOS development using...