Senior React SDK Developer

Posted Yesterday
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Skopje, Skopski, MKD
Hybrid
Senior level
Cloud • Machine Learning • Other • Software
The ultimate developer toolkit for in-app chat & activity feeds.
The Role
Develop and maintain Stream's React Chat, Feeds, and Video SDKs: implement roadmap features, support customers, improve documentation, collaborate with backend/design teams, and keep SDKs performant, accessible, and well-tested.
Summary Generated by Built In

Stream is looking for a Senior React SDK Developer! This is a full-time job in our Skopje office.

What will you be doing?

As a Senior React SDK Developer, you will join our SDK team with the primary focus on developing and maintaining our React Chat, Feeds and Video SDKs and taking our products to the next level!

Responsibilities
  • Integrating new features from our roadmap, maintaining existing features

  • Supporting existing customers and prospects through various channels

  • Improving SDK’s documentation, keeping the SDKs modern and up-to-date

  • Collaborating with our Backend, Design and other SDK teams to clarify and improve the consistency of our feature implementations

What makes this role exciting?
  • You’ll get to work on a products that are going to impact the lives of thousands of engineers and billions of end users

  • You’ll get to have your work showcased publicly - our SDKs are open source

  • You’ll deal with complex technical challenges, that allow our customers to build their envisioned integration

About you

Our ideal candidate:
  • Comes from a startup background

  • Has 5+ years of experience

  • Has experience with open-source and building tools for developers

  • Solid understanding of React and popular React libraries

  • Has a solid understanding of the browser/framework performance

  • Enjoys working with TypeScript

  • Has a keen eye for UX detail, caring about accessibility

  • Good understanding of the standard performance optimization techniques (state management, memoization, virtualization, re-rendering cycles)

  • Practices and appreciates the value of a solid test suite

Bonus points:
  • Experience with React Native, Angular, Vue, or any other UI framework

Don’t fall into all of the requirements? You don’t have to match every bullet as long as you can grow into the role and show us that you can provide value to the team.

Do you want to know how to be successful in a process with us? Check this.

Our tech stack

At Stream, we use a wide collection of technologies to offer highly optimized and available features to our customers. Here is a shortlist of the technology that we currently use in the React Chat, Video and Feeds SDKs:

  • Modern React, TypeScript, RxJS, WebRTC, Protobuf, Twirp, OpenAPI

  • React Virtuoso, React Markdown and Remark, WASM and WebWorkers

  • Vitest, Jest, Playwright

Who We Are

Stream has a casual, social, and playful culture. We are talented, highly technical, and collaborative which makes Stream a great place to learn and improve your skills. Our team is forward-thinking and diverse and we all have different backgrounds which lends to our creativity and innovation. With offices in Boulder and Amsterdam, our employees represent 15 countries, 11 languages and counting. Our team is passionate about tackling difficult tech problems at scale by creating reusable components that allow product owners to ship apps faster, more securely, and with a better user experience. Our culture is oriented towards ownership and quality; Our goal is to produce deliverable software.

What’s In It For You
  • A team of exceptional engineers

  • The chance to work on OSS projects

  • A competitive salary

  • Company equity

  • A pension scheme

  • A generous Learning and Development budget

  • Commute expenses to Amsterdam covered or option to use a company bike within the city

  • Gym membership of choice covered

  • MacBook Pro or another development setup

  • Healthy team lunches and plenty of snacks

  • A generous relocation package

  • An office in the heart of Amsterdam

  • The opportunity to attend or present to global conferences and meetups

  • The possibility to visit our office in Boulder, CO

*These benefits apply to the office in Amsterdam and are adjusted depending on the location

Stream provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Hybrid office policy: applicants based (or relocating to) one of our office locations are expected to work according to the applicable local office attendance policy.

Equal opportunity employer statement: Stream provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Note for external recruiters: We currently have this role covered and do not accept unsolicited agency resumes. We are not responsible for any fees related to unsolicited resumes.

Skills Required

  • Solid understanding of React and popular React libraries
  • Proficient with TypeScript
  • Solid understanding of browser and framework performance
  • Experience with performance optimization techniques (state management, memoization, virtualization, re-rendering)
  • Focus on accessibility and UX detail
  • Practices and values a solid test suite
  • Experience with open-source projects and building developer tools
  • Startup background or experience working in fast-moving teams
  • Familiarity with RxJS
  • Experience with WebRTC
  • Familiarity with Protobuf, Twirp, or OpenAPI
  • Experience with React Virtuoso, react-markdown, remark
  • Familiarity with WebAssembly (WASM) and Web Workers
  • Experience with testing tools: Vitest, Jest, Playwright
  • Experience with React Native, Angular, or Vue (bonus)

Stream Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Stream and has not been reviewed or approved by Stream.

  • Fair & Transparent Compensation Salary ranges are openly shared by role and location, providing clarity into pay bands. Compensation is often characterized as market-aligned for many technical and sales roles.
  • Healthcare Strength Healthcare offerings include comprehensive medical, dental, and vision coverage. In some locations, employer contributions toward premiums are described as strong.
  • Leave & Time Off Breadth Paid time off is described as generous, with substantial vacation and holiday allowances. Extended PTO totals and observed national holidays are highlighted across multiple locations.

Stream Insights

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The Company
HQ: Boulder, CO
140 Employees
Year Founded: 2015

What We Do

APIs and SDKs to Build In-App Chat Video & Feeds Faster. Stream's platform empowers developers with the flexibility and scalability they need to build rich conversations and engaging communities. Stream’s enterprise-grade cloud components make it easy for software teams to build In-App Chat, Video, Moderation & Feeds Faster. Serving more than a billion end users, Stream’s scalable APIs and SDKs come with all the building blocks to ship a custom white-label experience that rivals today’s leading social platforms. Stream also launched Vision Agents - an open-source Video AI framework for building real-time voice and video applications: https://visionagents.ai/. Stream’s back-end infrastructure, beautiful UI kits, and front-end SDKs for iOS, Android, React, React Native, and Flutter combine to form the fastest, most reliable and feature-rich component solution on the market. Stream is headquartered in Boulder, Colora,do with an office in Amsterdam.

Why Work With Us

We are motivated to achieve mastery of our domains, build lasting relationships and be transparent team players.

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