Senior Software Engineer Frameworks Javascript Sdk jobs in Toronto – Browse 1,417 openings on RoboApply Jobs

Senior Software Engineer Frameworks Javascript Sdk jobs in Toronto

Open roles matching “Senior Software Engineer Frameworks Javascript Sdk” with location signals for Toronto. 1,417 active listings on RoboApply Jobs.

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Sentry logo
Full-time|On-site|Toronto, Ontario, Canada

Sentry is looking for a Senior Software Engineer in Toronto to focus on JavaScript SDK frameworks. This position centers on developing and enhancing the frameworks that support Sentry’s JavaScript SDK, with a priority on quality and performance. Key responsibilities Design and build new features for Sentry’s JavaScript SDK frameworks. Collaborate with engine…

Apr 24, 2026
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Sentry logo
Full-time|On-site|Toronto, Ontario, Canada

Role overview Sentry seeks a Senior Software Engineer with strong expertise in Node.js and JavaScript SDKs. The main focus is on enhancing platform integration and performance, aiming to provide dependable tools for developers. This position plays a key part in refining how developers interact with Sentry’s offerings. What you will do Develop and maintain the JavaScript SDK, with an emphasis on Node.js environments Collaborate with team members to design and build new features Support the stability and efficiency of the Sentry platform Contribute to smooth integration of Sentry for developers globally Location This role is based in Toronto, Ontario, Canada.

Apr 24, 2026
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Sentry logo
Full-time|CA$185K/yr - CA$231K/yr|Hybrid|Toronto, Ontario, Canada

About SentryAt Sentry, we're on a mission to eliminate bad software by empowering developers to create better applications at a faster pace. Our innovative performance and error monitoring tools are trusted by over 100,000 organizations, including industry giants like Disney, Microsoft, and Atlassian, who share our vision for quality software development.With over $217 million in funding, we’re excited to embrace a hybrid work model across our global offices. Join us in our Toronto location on Mondays, Tuesdays, and Thursdays for collaborative in-office sessions. If you're passionate about enhancing the digital experience and eager to contribute to the next generation of software monitoring tools, we want you on our team.Your Opportunity in Mobile App MonitoringThis is an extraordinary engineering position within Sentry's Mobile SDK team, where we are dedicated to developing tools that serve a global audience. As a Senior iOS SDK Engineer, you will work on cutting-edge technologies, processing over a billion events daily.You will delve into Apple's latest innovations including powerful APIs and SwiftUI, taking on complex challenges that excite you and your peers.Your ResponsibilitiesAs the architect of our iOS SDK, you will oversee its evolution, from foundational architecture to user experience. You will lead the charge on innovative features such as Session Replay and advanced performance monitoring, while mastering modern concurrency and on-device AI.Your expertise will be pivotal in designing scalable, high-quality APIs and shaping Sentry's mobile vision, making you the expert our teams rely on for solving complex customer challenges.Why You Will Thrive HereWe seek an individual who is not only skilled in their craft but is also enthusiastic about creating elegant, user-friendly tools that other developers will love. You will have the opportunity to contribute significantly to a major open-source project and witness the immediate impact of your efforts in our dynamic environment.You will collaborate with thoughtful and driven engineers in a culture that encourages excellence and continuous learning.

Apr 13, 2026
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Emburse logo
Full-time|On-site|Toronto

Join Our Team at EmburseAt Emburse, we are dedicated to empowering our users and enhancing their business operations. Our innovative solutions revolutionize the management of corporate expenses and invoices, allowing users to automate tedious tasks and devote their time to what truly matters – their families, communities, and fulfilling work. We pride ourselves on delivering an exceptional experience for CFOs and their employees while ensuring compliance and cost efficiency. Our clientele ranges from startups and SMBs to industry giants like Microsoft, Pinterest, and the Bill & Melinda Gates Foundation, boasting over 18,000 customers and 12 million users worldwide.As a Software Engineer at Emburse, you will play a vital role in developing a cohesive suite of system solutions. Your focus will be on enhancing customer experiences, tackling intriguing challenges, and designing innovative solutions. Being part of our award-winning engineering team means you will collaborate with some of the brightest minds in the industry, providing ample opportunities for your professional growth and career advancement within Emburse.

Dec 1, 2025
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Veeva Systems Inc. logo
Full-time|Hybrid|Canada - Toronto

Veeva Systems Inc. is a purpose-driven organization and a leader in industry cloud solutions, dedicated to accelerating the delivery of therapies to patients in the life sciences sector. As one of the fastest-growing SaaS companies in history, we achieved over $2 billion in revenue last fiscal year, with tremendous growth opportunities on the horizon.At Veeva, our core values drive us: Do the Right Thing, Customer Success, Employee Success, and Speed. We stand out as a public benefit corporation (PBC), a status we achieved in 2021, which legally commits us to prioritize the interests of customers, employees, society, and investors.As a Work Anywhere company, we offer the flexibility to work from home or in the office, ensuring you can perform at your best in an environment that suits you.Join us in revolutionizing the life sciences industry, as we strive to make a positive impact on our customers, employees, and communities.

Jul 17, 2024
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Marqeta logo
Full-time|Remote|Toronto, Canada

Marqeta is on the lookout for a Senior Product Manager specializing in SDKs, Developer Platform & Documentation to drive the strategic direction and growth of our developer platform, essential for empowering customers to build innovative financial solutions on Marqeta. In this role, you will take ownership of the entire developer experience across Mobile and Web SDKs, APIs, and documentation, ensuring developers can seamlessly discover, integrate, test, and scale financial functionalities. Your responsibilities will encompass iOS, Android, and Web SDKs; API platforms; developer tools; authentication and identity management; developer portals; onboarding processes; sandbox environments; and documentation systems. You will work collaboratively with Engineering, Developer Relations, Documentation, Security, Design, and Solutions Engineering teams, as well as engage directly with customers to deliver a platform that is clear, dependable, and scalable. This position demands a high level of technical expertise and product insight to enhance developer experience, minimize integration time, and elevate platform adoption. The developer platform is the backbone of Marqeta's scalability. The quality of our SDKs, APIs, and documentation directly influences how swiftly customers can develop and launch their products. A robust developer experience not only reduces integration time but also boosts adoption and drives growth. This role is pivotal in eliminating obstacles, accelerating time-to-market, and establishing Marqeta as the preferred platform for developers. We embrace a Flexible First approach. This position offers the flexibility to work remotely from anywhere within Ontario, Canada. We are excited to welcome you to our team! This position is for an existing vacancy.

Apr 1, 2026
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Veeva Systems Inc. logo
Full-time|Hybrid|Canada - Toronto

At Veeva Systems, we are dedicated to transforming the life sciences industry by accelerating the delivery of therapies to patients. Our innovative cloud solutions have positioned us as a leader in the SaaS sector, achieving over $2 billion in revenue last year and with substantial growth opportunities on the horizon.Our core values guide us in everything we do: Integrity, Customer Success, Employee Success, and Agility. We proudly hold the title of a public benefit corporation (PBC), a testament to our commitment to balancing the interests of our customers, employees, society, and investors.As a flexible workplace, Veeva supports your choice to work from home or in the office, ensuring you can thrive in your preferred environment.Join us as we revolutionize the life sciences landscape, dedicated to making a meaningful difference for our customers, employees, and communities.The RoleWe seek passionate Front-End Software Engineers ready to thrive in a dynamic startup environment within a financially robust company. Our teams tackle complex challenges that enhance the speed and efficiency of the life sciences sector. In this position, you'll engage in rapid development cycles, where we prioritize delivering quality over throwaway technology. Your contributions will directly impact our cloud-based applications, developed using modern JavaScript frameworks. Collaboration with back-end and design teams will be essential, and we are looking for individuals who are team-oriented, quick learners, and driven to achieve excellence.

Jul 17, 2024
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mqreferrals logo
Full-time|On-site|Toronto, Canada

Join mqreferrals as a Senior Product Manager focusing on SDKs, our Developer Platform, and Documentation. In this pivotal role, you will lead the product strategy and execution, collaborating with cross-functional teams to deliver innovative solutions that empower developers and enhance user experience.

Apr 1, 2026
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Veeva Systems, Inc. logo
Full-time|Hybrid|Canada - Toronto

Veeva Systems is a forward-thinking organization at the forefront of industry cloud solutions, dedicated to accelerating the delivery of therapies to patients within the life sciences sector. As a trailblazer among SaaS companies, we achieved over $2 billion in revenue last fiscal year, with vast growth opportunities ahead.Our core values guide us: Do the Right Thing, Customer Success, Employee Success, and Speed. Distinct from typical public companies, we made history in 2021 by becoming a public benefit corporation (PBC), committed to balancing the interests of our customers, employees, society, and investors.As a Work Anywhere organization, we empower you to choose your ideal work environment, whether you prefer to work from home or in one of our offices.Join us in transforming the life sciences industry and making a meaningful difference for our customers, employees, and communities.Position OverviewWe are seeking passionate Front-End Software Engineers who thrive in a dynamic startup-like atmosphere within a stable and profitable company. Our teams tackle intricate challenges that enhance the speed and effectiveness of the life sciences industry. In this role, you will dive right in, work through rapid sprints, and experience our commitment to impactful technology – what you build, we ship. Front-end engineers will collaborate closely with back-end and design teams to develop and maintain the user interface of Veeva's cloud applications using advanced JavaScript frameworks. We are looking for team players who are quick learners and possess a strong drive for excellence.

Apr 14, 2025
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Veeva Systems Inc. logo
Full-time|On-site|Canada - Toronto

Role overview Veeva Systems is hiring a Senior Software Engineer focused on infrastructure in Toronto, Canada. This role centers on designing and building software that supports and improves our cloud-based platforms. The work directly impacts scalability and performance across our systems. What you will do Design and implement software solutions for infrastructure needs Work closely with teams from different disciplines to strengthen our cloud platforms Contribute to projects that improve system scalability and performance

Apr 14, 2026
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Carta logo
Full-time|On-site|Toronto, Ontario, Canada

Join Carta as a Senior Software Engineer II, where you will play a pivotal role in developing cutting-edge software solutions that empower businesses and investors alike. You will collaborate with cross-functional teams to deliver high-quality applications and contribute to the entire software development lifecycle, from concept to deployment.

Mar 6, 2026
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Fivetran logo
Full-time|On-site|Toronto, Ontario, Canada

Fivetran is seeking a Senior Database Software Engineer to join the team in Toronto, Ontario. This role centers on developing and refining advanced database systems that form the backbone of Fivetran’s products and services. Key responsibilities Design and architect scalable database solutions to enable both new and existing product features Collaborate with engineering, product, and other teams to deliver reliable and efficient database systems Use in-depth knowledge of database technologies to address complex technical issues and enhance system performance Location This position is based in Toronto, Ontario, Canada.

Apr 23, 2026
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Range logo
Full-time|On-site|Toronto, ON, Canada

Role overview Range is seeking a Senior Frontend Software Developer based in Toronto, ON. This position centers on building and refining web applications that enhance user experience and align with the company’s product objectives. What you will do Develop and maintain features for the frontend of web applications Collaborate with cross-functional teams to ensure seamless integration between user-facing components and backend systems Influence the direction and structure of frontend architecture Support ongoing improvements to the product Requirements Background in building modern web applications Strong interest in current frontend technologies Ability to work effectively with engineers, designers, and product managers Drive to enhance products and user experiences

Apr 21, 2026
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Pigment logo
Full-time|On-site|Toronto

Join our dynamic team at Pigment as a Senior Backend Software Engineer. In this role, you will be instrumental in designing and implementing robust backend solutions that empower our innovative platform. You will collaborate with cross-functional teams to enhance system performance and scalability while ensuring a seamless user experience.

Mar 27, 2025
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Braze, Inc. logo
Full-time|On-site|Toronto

Join Braze as a Senior Software Engineer I in Toronto, where you will leverage your expertise in software development to create innovative solutions. You will collaborate with cross-functional teams to design, develop, and maintain complex systems while ensuring high performance and responsiveness.

Mar 10, 2026
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Lyft, Inc. logo
Full-time|On-site|Toronto, Canada

Join Lyft as a Senior Software Engineer specializing in Mapping where you will play a pivotal role in enhancing our mapping capabilities. You will collaborate with cross-functional teams to develop innovative solutions that improve our users' experience. This position requires strong problem-solving skills and a passion for building scalable systems.

Mar 5, 2026
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System Canada Technologies logo
Contract|On-site|Toronto

Join our dynamic team at System Canada Technologies as a Software Developer! This is an exciting opportunity for entry-level candidates to work with a variety of programming languages including PHP, Perl, JavaScript, MySQL, and MS SQL.In this role, you will be responsible for developing and maintaining software applications, collaborating with cross-functional teams, and contributing to the overall success of our projects. If you are passionate about coding and eager to learn, we would love to hear from you!

Sep 6, 2012
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Veeva Systems Inc. logo
Full-time|On-site|Canada - Toronto

Role Overview Veeva Systems Inc. is looking for a Senior Software Engineer focused on Infrastructure in Toronto, Canada. This role centers on designing, building, and improving infrastructure that supports our software products. What You Will Do Create and refine infrastructure solutions to support application development and deployment Work with teams across engineering, operations, and product to strengthen system reliability and performance Address scalability and security needs as our technology evolves Impact Your work will help shape Veeva’s technology foundation and support the growth of our software applications.

Apr 14, 2026
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Relay logo
Full-time|$148.5K/yr - $181.5K/yr|On-site|Toronto, ON

At Relay, we are on a mission to empower self-made business owners through our innovative digital banking platform. Our goal is to provide these entrepreneurs with the financial clarity, confidence, and control needed to transform their hard work into enduring success. By eliminating the uncertainties of finance, we help turn cash flow from a source of stress into a powerful tool for building robust and resilient businesses.Our Engineering team plays a pivotal role in creating banking products that drive the success of millions of small businesses. As we embark on a transformative journey in the banking sector, we are seeking a passionate and impact-oriented Senior Software Engineer to join our expanding team. We value individuals who embrace smart risks, boldly experiment, and learn from challenges.In this role, you will confront complex challenges, deliver high-quality and robust code, and help shape the systems that underpin our products. This is a unique opportunity to engage with our entire product suite, influence technical decisions, and implement features that our customers adore. If you are eager to create top-tier fintech products within a fast-paced, collaborative environment, this position is perfect for you.Key ResponsibilitiesFull-Cycle Development: Take ownership of features throughout the entire development lifecycle—from design and development to testing, deployment, and monitoring—ensuring reliability and performance at scale.Infrastructure Management: Oversee our production systems, enhance infrastructure, and contribute to the availability, scalability, and resilience of our platform.Collaborative Partnership: Work closely with Product, Design, and cross-functional teams to develop solutions that align with customer and business needs.Innovative Mindset: Proactively seek out opportunities for technical, process, and product enhancements, driving the team to elevate standards and influence long-term technical strategies.Your QualificationsA minimum of 3 years of experience in full-stack software engineering.Demonstrated leadership in developing significant components or features, successfully delivering them with minimal oversight.Experience mentoring junior engineers, sharing knowledge, and fostering the growth and skill development of the entire team.

Sep 12, 2025
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escribe logo
Full-time|Remote|Toronto

Position Overview:Join our innovative engineering team at eScribe as a Senior Software Engineer. In this pivotal role, you will design, develop, and maintain essential software applications that drive our business forward. Your expertise will guide the evolution of our technology stack, tackle challenging problems, and mentor junior engineers. Embrace AI-assisted development methodologies and contribute to cutting-edge AI features to enhance our product offerings, ensuring efficient delivery and superior code quality. This position is perfect for a skilled engineer eager to thrive in a dynamic and collaborative setting.Key Responsibilities:Lead the design, implementation, and upkeep of high-caliber software applications and features.Take charge of intricate projects, providing technical direction, mentorship, and support to junior team members.Influence architectural decisions to guarantee software systems are scalable, performant, and maintainable.Write reusable code, develop libraries for future use, conduct code reviews, and uphold coding standards.Establish and maintain coding best practices while ensuring top-notch code quality through thorough reviews.Analyze complex technical issues, optimizing code and enhancing system performance.Collaborate effectively with cross-functional teams, including product managers, designers, and fellow engineers, to deliver innovative software solutions.Develop comprehensive test plans and execute testing to ensure software reliability and robustness.Create and maintain technical documentation, including architecture diagrams, API specifications, and best practices.Actively engage in agile development processes, including sprint planning, stand-ups, and retrospectives.Utilize AI-assisted development tools (e.g., Claude Code, PlayerZero) to boost personal productivity, accelerate development velocity, and improve code quality.Contribute to the integration of AI capabilities into our software solutions by developing AI-powered features alongside senior engineers.

Mar 16, 2026

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