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Senior Software Developer Full Stack Jobs

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Senior Software Developer - Full Stack
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Senior Full Stack Developer needed for a 15-month onsite contract in North York. Leverage 10+ years of experience in public sector healthcare IT, including OPS methodologies and clinical system integration. You will support the m-IMMS UI, enhance system maintainability, and align with provincial ...
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Canada , North York
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Randstad
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Senior Software Developer - Full Stack
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Join our client in Toronto as a Senior Full Stack Developer for a 12-month onsite contract. Leverage your advanced skills in React.js, Python/FastAPI, and .NET Core to design and build robust applications and data pipelines. This role requires expertise in cloud architecture, CI/CD with Azure Dev...
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Canada , Toronto
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565.97 - 601.35 CAD / Hour
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Randstad
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Senior Software Consultant - Full Stack Developer
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Join 10Pearls as a Senior Full Stack Developer in Karachi, Lahore, or Islamabad. Design and scale robust applications using JavaScript, TypeScript, and PHP frameworks like Laravel. You'll leverage AI tools to enhance workflows and deliver high-quality, end-to-end software solutions within an Agil...
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Pakistan , Karachi, Lahore, Islamabad
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10Pearls
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Senior Software Developer - Full Stack
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Join our client's team as a Senior Full Stack Developer for a 12-month contract in North York. Leverage your expertise in React, Next.js, Node.js, and TypeScript to build accessible, cloud-native web applications. This role requires strong skills in Entity Framework, REST APIs, and WCAG/AODA comp...
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Canada , North York
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Randstad
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Senior Software Developer - Full Stack
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Seeking a Senior Full Stack Developer for a 12-month onsite contract in Toronto. This role requires deep expertise in Java, J2EE, JSF, and open-source frameworks like Spring and jQuery. You will design data pipelines, translate specifications into applications, and resolve technical issues. Earn ...
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Canada , Toronto
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Randstad
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Senior Software Developer - Full Stack
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Lead the modernization of the legacy AERO platform as a Senior Full-Stack Developer in Milton. You will refactor systems using VB.NET, C#, and Oracle PL/SQL while implementing CI/CD with Azure DevOps. This strategic role bridges legacy code and modern practices, requiring strong technical leaders...
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Canada , Milton
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Randstad
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Senior Software Developer - Full Stack
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Join our client in Toronto as a Senior Full Stack Developer for a 12-month onsite contract. Leverage your expertise in Java EE, Spring, React, and cloud-native technologies to design and build robust applications. This role requires hands-on experience with Azure, DevOps, and Oracle databases. En...
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Canada , Toronto
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Randstad
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Senior Software Developer - Full Stack
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Lead the development of business-critical enterprise applications as a Senior Full Stack Developer in Toronto. This role demands deep expertise in JSF, J2EE, Spring, and Oracle SQL to design robust APIs and scalable architectures. You will influence the entire stack within a mission-critical envi...
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Canada , Toronto
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Randstad
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Senior Software Developer - Full Stack
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Join our client in Toronto for a 10-month hybrid contract as a Senior Full Stack Developer. Modernize legacy Classic ASP/VBScript systems using .NET Core, C#, and Entity Framework. Leverage your 5+ years of SQL Server and .NET expertise to build robust backend and responsive UI solutions. Enjoy a...
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Canada , Toronto
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551.64 - 596.33 CAD / Hour
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Randstad
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Senior Software Developer - Full Stack
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Join our client in Toronto for an 11-month contract as a Senior Full Stack Developer. Leverage your advanced Java, SpringBoot, JavaScript/TypeScript, React, and Next.js expertise to architect and build performant web/mobile applications. This role involves mentoring, leading development across th...
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Canada , Toronto
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Randstad
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Senior Software Developer - Full Stack
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Canada , Toronto
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Randstad
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Senior Full-Stack Software Developer
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Join a fast-growing Series A startup as a Senior Full-Stack Developer. Own products end-to-end, building robust APIs and intuitive frontends with Node, HTML, and JavaScript. Shape foundational technology and company culture while earning equity in this impactful US-based healthcare venture.
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United States
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140000.00 - 200000.00 USD / Year
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Finni Health
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Senior Full-Stack Software Developer
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Join our Canadian startup as a Senior Full-Stack Developer. Shape our healthcare product and culture, making foundational technical decisions. We seek a product-minded owner with 4+ years' experience in Node, JavaScript, and CSS. Enjoy equity, work closely with founders, and drive projects from c...
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Canada
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140000.00 - 200000.00 CAD / Year
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Finni Health
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Senior Software Development Engineer, Full-Stack
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Join Easygo in Sydney as a Senior Full-Stack Engineer. Leverage 7+ years of backend expertise with Node.js, Microservices, and Cloud (AWS/Azure) to build scalable entertainment platforms. Drive innovation in a culture of growth, mentorship, and collaboration with top-tier engineers. Shape the fut...
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Australia , Sydney
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Easygo Gaming
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Senior Full Stack Software Developer
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Spain , Valencia
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HUBBLR GmbH
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Senior Full Stack Software Developer
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Germany , Hamburg
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HUBBLR GmbH
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Senior Full-Stack Web Application Developer / Software Engineer
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Seeking a Senior Full-Stack Developer in Bartlett, USA. Lead the design and deployment of applications using JavaScript, Node.js, React, and SQL. Requires 5+ years of experience in building maintainable, full-stack web solutions. Join a team focused on innovative development and robust software e...
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United States , Bartlett
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90000.00 - 180000.00 USD / Year
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apHarmony Inc.
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Senior Software Development Engineer, Full-Stack
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Join Easygo in Sydney as a Senior Full-Stack Engineer. Leverage 7+ years of backend expertise with Node.js, Microservices, and Cloud (AWS/Azure) to build scalable software. Drive innovation in a culture focused on growth, mentorship, and engineering excellence. Work with TypeScript, GraphQL, and ...
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Australia , Sydney
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Not provided
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Easygo Gaming
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Until further notice

About the Senior Software Developer Full Stack role

Explore senior software developer full stack jobs and discover a pivotal role at the heart of modern technology creation. A Senior Full-Stack Developer is an experienced engineer proficient in both front-end and back-end technologies, capable of building and maintaining complete web applications and software systems from the database layer to the user interface. This profession involves architecting robust, scalable solutions and taking ownership of the entire development lifecycle.

Typically, professionals in these roles engage in a wide array of responsibilities. On a daily basis, they design system architecture, write clean and efficient code for both client-side and server-side logic, and integrate various application components and third-party services. A key duty is developing and managing databases and APIs that serve as the backbone of applications. They are also responsible for ensuring application performance, quality, and responsiveness. Beyond coding, senior full-stack developers actively participate in code reviews, mentor junior engineers, and lead technical discussions to drive project direction. They collaborate closely with product managers, designers, and other stakeholders to translate business requirements into technical specifications, often guiding projects from conception to deployment and ongoing optimization.

The skill set for these jobs is comprehensive. Core technical competencies usually include deep expertise in multiple programming languages such as JavaScript (with frameworks like React, Angular, or Vue.js), Python, Java, or C# for back-end development. Proficiency with server, network, and hosting environments, relational and non-relational databases (e.g., PostgreSQL, MongoDB), and version control systems like Git is standard. Experience with cloud services (AWS, Azure, Google Cloud), containerization (Docker, Kubernetes), and CI/CD pipelines is increasingly essential. Crucially, senior roles demand strong soft skills: exceptional problem-solving abilities, effective communication for collaborating across teams, and leadership qualities for mentoring and project oversight. A bachelor’s degree in computer science or a related field, coupled with 5+ years of progressive development experience, is a common requirement, though substantial practical expertise can often substitute for formal education.

Ultimately, senior full-stack developer jobs are for versatile technical leaders who bridge the gap between complex back-end systems and intuitive user experiences. They are the driving force behind building seamless, end-to-end digital products, making them highly sought-after in virtually every industry seeking to innovate and maintain a competitive digital presence.

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