Senior Front-End Software Engineer, Infra

October 27, 2025
Open
Open
USD $130K - $140K / year
Location
Anywhere
Occupation
Full-time
Experience level
Senior
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Job Summary

Circle.so tuyển dụng vị trí Front-End Senior làm việc từ xa toàn cầu với mức lương $130,000-$140,000 mỗi năm cùng equity và phúc lợi hấp dẫn. Vai trò tập trung vào duy trì, hiện đại hóa stack React, xây dựng thư viện component nội bộ, tối ưu hiệu suất UI, phối hợp với backend và SRE nâng cao trải nghiệm người dùng. Môi trường làm việc linh hoạt, tự chủ với các kỳ nghỉ công ty hàng năm và 35 ngày nghỉ phép mỗi năm.

Yêu cầu có ít nhất 5 năm kinh nghiệm phát triển front-end, am hiểu sâu về JavaScript, React, từng tối ưu hiệu năng ứng dụng hiện đại và sử dụng tiếng Anh thành thạo bậc C2. Ưu tiên ứng viên từng xây dựng thư viện component hoặc có kinh nghiệm server-side rendering, code splitting.

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About Us

Circle is building the world’s leading all-in-one platform for online communities. We make it possible for creators, coaches, educators, and businesses to bring together their audience with engaging discussions, live streams, events, chat, courses, and payments — all in one place, all under their own brand.

We’re proud to be a fully remote company of around 200 (and growing!) team members from 30+ countries around the world. We seek exceptional individuals around the world, set them up to do the best work of their lives, and in turn, create a meaningful impact in their own lives. We don't track hours, but we do manage for high expectations very closely. We collaborate across time zones, are highly async, and like to document a lot.

Twice a year, we bring the whole company together in beautiful places around the world for our company offsites. So far, we’ve hosted offsites in Turkey, Portugal, Mexico, Thailand, Colombia, Italy, Ireland, and more, with still more to come!

Check out our Careers page for more about working at Circle.

About the role

We're scaling quickly, and the front-end infrastructure that powers our product needs to scale with it. We're hiring a Senior Front-End Software Engineer to join our Infra team and take ownership of our front-end stack — keeping it modern, fast, and reliable. You’ll lead efforts to upgrade React, optimize performance, and build reusable tools that help our product team move faster.

What you'll be doing

  • Maintain and modernize our front-end stack, including React upgrades and performance improvements
  • Build internal front-end tools, component libraries, and SDKs to improve developer experience and consistency
  • Partner with back-end and SRE engineers to support observability, performance, and scaling efforts
  • Identify opportunities to reduce third-party dependencies through in-house solutions
  • Contribute to architectural decisions that improve speed, usability, and maintainability of our UI

What you'll need to be successful

  • Strong alignment with our values (find our values on our career page if you haven’t read up on them yet)
  • You are proficient in English (spoken, written, and reading) at a CEFR Level C2 / ILR Level 5
  • Deep expertise with JavaScript and React, especially at the architectural level
  • A strong track record of improving performance and reliability in modern front-end applications
  • 5+ years of experience in a front-end engineering role, ideally with experience owning or modernizing large codebases
  • Comfortable working autonomously in a fast-paced, fully remote environment

Bonus points

  • Experience building internal component libraries or design systems
  • Experience with server-side rendering, code splitting, or other performance optimization techniques

$130,000 - $140,000 USD per year

The cash compensation range shown is a starting point. In addition to equity, benefits and perks, your cash compensation is subject to an annual review and increase on a once per year basis.

 

The fun stuff

  • Fully remote: work from anywhere in the world!
  • Autonomy and trust to do your job: we care about outcomes over everything else.
  • Paid time away: all employees are given 35 days of PTO annually. We also offer a paid sabbatical after 5 years.
  • Generous U.S. benchmarked compensation and startup equity no matter where you are in the world.*
  • Awesome medical coverage with 100% coverage for you and your family, or medical reimbursement options where applicable!*
  • Parental leave for parents expanding their family, or just starting one.
  • Home office stipend to help you get up and running.
  • Learning & development stipend to help you level up your professional skills.
  • Annual bonus potential for roles that don't already receive variable income or commission.
  • Company retreats: Twice a year, the Circle team gets together for a fully paid company retreat in incredible places around the world! We’ve had past retreats in Colombia, Portugal, and Mexico, with more planned on the horizon.
  • Check out our Careers page for more.

*Your role, location and unique circumstance may affect this.

Diversity, Equity & Inclusion

As a fully-remote international company, diversity is baked into our DNA. Here’s how our CEO, Sid Yadav, frames our hiring mission: “let’s find talent in underserved and under-represented corners of the world, set them up to do the best work of their lives, and in turn, change their life.” To achieve this hiring mission, we offer competitive U.S. benchmarked compensation no matter where someone’s located in the world, and we proactively seek candidates who expand representation of backgrounds, cultures and lived experiences in our teams.

Equal Employment Opportunity

Circle is an equal opportunity employer and as such, we do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or any other characteristic protected by applicable laws. If you require any accommodations during the recruitment process, please let us know and we will work with you to meet your needs.

How We Use Candidate Data

At Circle, we are committed to protecting your personal information. As a job applicant, the personal data you provide to us is collected and processed in accordance with the General Data Protection Regulation (GDPR) in the EU and the California Consumer Privacy Act (CCPA). This notice outlines the types of personal information we collect, the purpose for collecting it, and your rights.

Information We Collect: We collect the following categories of personal information from job applicants:

  • Contact information (such as name, email address, phone number)
  • Employment history and qualifications
  • Education history
  • References and any other information you choose to share with us during the application process

Purpose of Collection: We collect this information for the following purposes:

  • To assess your qualifications and suitability for the position
  • To communicate with you during the recruitment process
  • To comply with legal and regulatory obligations

Your Rights Under GDPR and CCPA: You have the following rights regarding your personal information:

  • The right to request access to the personal information we hold about you.
  • The right to request the deletion of your personal information, subject to certain legal exceptions.
  • The right to opt out of the sale of your personal information (Note: We do not sell personal information).

For more information about how we handle your personal data or to exercise your rights, please refer to our full Privacy Policy.

By submitting your application, you acknowledge that you have read and understood this privacy notice.

Apply now
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Circle
Circle is the world's leading branded community platform. We serve more than 10 million members in communities run by some of the world's top creators and institutions — including Ali Abdaal, Dr. Becky, Jay Shetty, Harvard, SpaceX, and Oprah Winfrey. We're a fully remote company of 160+ team members based in 30+ countries in the world.
HQ Location
Company size
201-500
Founded in
Industry
Website