Senior Software Engineer (Frameworks), JavaScript SDK

Senior Software Engineer · Senior · Full Time

Toronto, Ontario, CanadaCAD 200k – 295k3mo ago
Apply for this role

Opens Sentry's application page

Role

What you'll do.

Sentry is seeking a Senior Software Engineer specializing in JavaScript SDKs to join their innovative team, focusing on developing cutting-edge developer tools across multiple JavaScript frameworks. The ideal candidate will drive SDK development, contribute to open-source projects, and help shape the future of developer tooling with a strong emphasis on performance monitoring and error tracking.

Responsibilities

  • SDK Development: Develop and maintain JavaScript SDKs for multiple frameworks including React, Next.js, Vue, Nuxt, NestJS, and Hono
  • End-to-End Ownership: Plan, implement, and ship code with complete autonomy, including writing unit and integration tests
  • Documentation: Create clear and comprehensive documentation for SDKs and development processes
  • Open Source Collaboration: Engage with open-source communities and represent Sentry in technical committees
  • Customer Support: Assist Customer Operations team and directly interact with users to resolve critical issues

Qualifications

What we look for.

Technical

  • JavaScript Expertise

    Proven ability to develop complex web applications and SDKs

  • Framework Knowledge

    Deep understanding of multiple JavaScript frameworks and their rendering models

Education

  • Degree

    Computer Science or related technical field preferred

Experience

  • Professional Experience

    Minimum 5 years of experience as a Software Engineer or web developer

Skills

Required

  • TypeScript

    Deep expertise in TypeScript/JavaScript development

  • JavaScript Frameworks

    Hands-on experience with modern JavaScript frameworks like React, Next.js, Vue, Nuxt, NestJS, or Hono

  • SDK Development

    Experience in developing web applications, libraries, or SDKs

  • Software Engineering

    Minimum 5 years of experience in software development

Preferred

  • Edge Runtimes

    Nice to have

    Familiarity with edge runtimes and hybrid rendering patterns

  • Open Source

    Nice to have

    History of contributing to or maintaining open-source libraries

  • Community Engagement

    Nice to have

    Experience with open-source committees or working groups

Tech stack

Languages

TypeScriptJavaScript

Frameworks

ReactNext.jsVueNuxtNestJSHono

Tools

AI Development ToolsGitHub

Other

Open SourcePerformance Monitoring

Compensation

Pay and benefits.

Base·CAD 200,000 – 295,000

Benefits

  • Competitive Salary

    Base salary range of CAD $200,000 to $295,000

  • Equity

    Potential equity grants as part of compensation

  • Hybrid Work Model

    Flexible work arrangement with in-office collaboration on Mondays, Tuesdays, and Thursdays

  • Professional Development

    Opportunities to contribute to open-source projects and engage with technical communities

  • Health Insurance

    Comprehensive group health insurance coverage

Process

Interview steps.

  1. 01

    Initial Application

    Submit resume and cover letter

  2. 02

    Technical Screening

    Initial call with recruiting team to assess technical background

  3. 03

    Technical Interview

    In-depth technical assessment of JavaScript and SDK development skills

  4. 04

    Team Interview

    Meet with potential team members to assess cultural fit and collaboration potential

  5. 05

    Final Interview

    Discussion with senior leadership about role expectations and company vision

Full posting

Original listing.

About Sentry

Bad software is everywhere, and we’re tired of it. Sentry is on a mission to help developers write better software faster so we can get back to enjoying technology.

With more than $217 million in funding and 100,000+ organizations that believe we’re on to something, we're building performance and error monitoring tools that help companies like Disney, Microsoft, and Atlassian spend less time fixing bugs and more time building products.

Sentry embraces a hybrid work model across our global hubs, with Mondays, Tuesdays, and Thursdays set as in-office anchor days to encourage meaningful collaboration. If you like to selfishly build things that make your digital life better, come help us build the next generation of software monitoring tools.

About this role

Are you ready to redefine the future of JavaScript development? Are you a seasoned JavaScript expert who gets a thrill from tackling complex challenges across the entire JavaScript ecosystem? Do you believe that AI can be a powerful partner in crafting elegant, high-impact code? If you're ready to leave the mundane behind and join a team that's shaping the tools used by millions of developers globally, we've got an opportunity for you at Sentry.

This isn't your typical Senior Software Engineer position. As a key member of our growing JavaScript SDK team, you'll be at the forefront of innovation, working on everything from our cutting-edge SDKs for the React, Next.js, Vue, Nuxt, Hono, NestJS, and beyond. You won't just be maintaining code; you'll be pushing the boundaries of what's possible in developer tooling across the full spectrum of the modern JavaScript framework landscape.

In this role you will

Join our JavaScript SDK team and get ready to build the future. You'll be at the forefront, working on:

  • A Universe of JavaScript Challenges: Dive deep into our extensive suite of JavaScript SDKs, with a broad focus on framework support spanning the modern JS ecosystem — from frontend frameworks like React, Vue, and their meta-frameworks Next.js and Nuxt, to server-side and edge runtimes like NestJS and Hono. Your work will directly empower millions of developers to build better, more reliable software, regardless of their framework of choice

  • End-to-End Ownership: We believe in giving our engineers the autonomy to see their vision through. You'll have the freedom to plan, implement, and ship your code, from writing robust unit and integration tests to crafting crystal-clear documentation that educates both our team and our customers.

  • The AI-Powered Developer Experience: We're committed to leveraging the latest advancements to work smarter, not harder. You'll utilize AI tools to supercharge your productivity and focus on what truly matters: solving complex problems and delivering exceptional value

  • A Voice in the Open-Source Community: We're passionate about open source — it's in our DNA. You'll have the chance to collaborate with influential organizations and committees such as TC39 and the OpenTelemetry SIG, representing Sentry and helping to steer the future of JavaScript standards.

  • Direct Impact and Connection: Say goodbye to layers of bureaucracy. You'll be on the front lines, assisting our Customer Operations team to squash critical bugs and interacting directly with our vibrant user base on GitHub and at industry conferences

You'll love this role if you

  • Are a craftsperson who takes immense pride in building features that are not only functional but a delight to use.

  • Are a developer at heart, driven to create exceptional tools for your peers

  • Thrive in a modern, fast-paced environment where rapid iteration and shipping code are celebrated

  • Are excited about contributing to a globally recognized open-source project full-time

  • Flourish in a collaborative setting, surrounded by thoughtful engineers who inspire each other to new heights

Qualifications

  • At least 5 years of experience as a Software Engineer, web developer, or a similar role

  • Deep expertise in developing web applications, libraries, or SDKs using TypeScript/JavaScript

  • Hands-on experience with two or more modern JavaScript frameworks — such as React, Next.js, Vue, Nuxt, NestJS, or Hono — and a strong understanding of the differences in their rendering models, lifecycles, and runtime environments

  • Exceptional written and verbal communication skills in English

  • You're based in the Toronto, Canada area or are excited about the prospect of relocating to this thriving tech hub

Bonus points for:

  • Familiarity with edge runtimes, server components, or hybrid rendering patterns across multiple frameworks

  • A history of contributing to or maintaining open-source libraries

  • Experience engaging with open-source committees or working groups

If you're ready to make your mark on the developer world, work with cutting-edge technology, and be a part of a company that's as invested in your growth as you are, we encourage you to apply.

The base salary range (or hourly wage range, if applicable) that Sentry reasonably expects to pay for this position is CAD $200,000 to $295,000. A successful candidate’s actual base salary (or hourly wage) amount will be determined by a variety of relevant factors including, without limitation, the candidate’s work location, education, work and other relevant experience, skills, and job-related knowledge. A successful candidate will be eligible to participate in Sentry’s employee benefit plans/programs applicable to the candidate’s position (including incentive compensation, equity grants, paid time off, and group health insurance coverage). See Sentry Benefits for more details about the Company’s benefit plans/programs.

Equal Opportunity at Sentry

Sentry is committed to providing equal employment opportunities to its employees and candidates for employment regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, or other legally-protected characteristic. This commitment includes the provision of reasonable accommodations to employees and candidates for employment with physical or mental disabilities who require such accommodations in order to (a) perform the essential functions of their jobs, or (b) seek employment with Sentry. We strive to build a diverse team, with an inclusive culture where every teammate can thrive. Sentry is an open-source company because we believe that everyone, everywhere, should have the ability and tools to make great software. Software should be accessible. That starts with making our industry accessible.

If you need assistance or an accommodation due to a disability, you may contact us at [email protected].

Want to learn more about how Sentry handles applicant data? Get the details in our Applicant Privacy Policy.

Redirects to Sentry's application page.

Other roles

More at Sentry.

View all 22 roles