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Senior Fullstack Developer (React.js / Node.js)

Build reusable libraries and frameworks for client applications

As a Senior Fullstack Developer, you will build libraries and frameworks of reusable efficient code for client applications. You will design and implement low-latency, stable, and performing applications using React.js and Node.js. Your responsibilities include implementing data protection systems and collaborating remotely with team members and stakeholders.

Why This Role?

Enjoy predictable project hours with consistent 8-hour working days and up to 24 flex days off per year

Key Responsibilities

  • Build libraries and frameworks of reusable efficient code
  • Design and implement low-latency, stable, and performing applications
  • Implement data protection systems
  • Collaborate effectively with team members and stakeholders remotely
  • Work with data storage solutions including SQL and MongoDB

Requirements

  • 5+ years experience as a Fullstack Developer
  • Backend experience with Node.js
  • Experience with microservices architecture
  • Database experience with SQL and MongoDB
  • Intermediate-advanced English proficiency

Required Skills

reactnode.jsmicroservicessqlmongodbReact.jsAPI Development

Indonesia Context

Working Hours Overlap:
Partial overlap with Jakarta hours
See remote (USD) vs local pay →
View Original Description from WeWorkRemotely

Original description from WeWorkRemotely

Headquarters: Sweden URL: http://career.proxify.io The Role: We are looking for a Senior Fullstack Developer skilled in React.js and Node.js for one of our clients. You are a perfect candidate if you are growth-oriented, you love what you do, and you enjoy working on new ideas to develop exciting products. What we are looking for: 5+ years experience as a Fullstack Developer. Backend experience with: Node.js Microservices architecture Database experience with: SQL MongoDB Intermediate-advanced English Nice-to-have: Located in CET timezone (+/- 3 hours). Database Architecture knowledge. Responsibilities: Ability to build libraries and frameworks of reusable efficient code. Competence in designing and implementing low-latency, stable and performing applications. Capacity to effectively collaborate with other team members and stakeholders remotely. Ability to implement data protection systems. Competence in data storage solutions. What we offer: Get paid, not played No more unreliable clients. Enjoy on-time monthly payments with flexible withdrawal options. Predictable project hours Enjoy a harmonious work-life balance with consistent 8-hour working days with clients. Flex days, so you can recharge Enjoy up to 24 flex days off per year without losing pay, for full-time positions found through Proxify. Career-accelerating positions at cutting-edge companies Discover exclusive long-term remote positions at the world's most exciting companies. Hand-picked opportunities just for you Skip the typical recruitment roadblocks and biases with personally matched positions. One seamless process, multiple opportunities A one-time contracting process for endless opportunities, with no extra assessments. Compensation Enjoy the same pay, every month with positions landed through Proxify. To apply: https://weworkremotely.com/remote-jobs/proxify-ab-senior-fullstack-developer-react-js-node-js-3

Salary Context

Similar Engineering roles on LokerDollar pay around $195k/yr (range $13.4k–450k/yr, n=358 active listings).

Hiring at Proxify AB

Proxify AB has 2 other active roles on LokerDollar and has been hiring here since Jul 12, 2026 — across Engineering.

View all Proxify AB openings →

This listing is sourced from WeWorkRemotely, with the company profile and full details on this page. The one thing we can't auto-confirm is whether this specific apply link opens cleanly — it usually does, so go ahead and try it. Check back later if it doesn't load.

Openness not stated by employer — check the listing

The listing does mention CET work hours — check whether that overlap works for you.

Company
Proxify AB
Estimated salary
$180k–210k/yr
Based on similar roles — not stated by the employer
Job Type
full time
Location
Remote · Europe hours
~3h overlap with Jakarta hours
Category
Seniority
senior
PostedNew & verified
Aug 14, 2026

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Frequently asked questions

Is Senior Fullstack Developer (React.js / Node.js) at Proxify AB a remote job?
Yes. Senior Fullstack Developer (React.js / Node.js) at Proxify AB is a fully remote role open to candidates worldwide.
What type of employment is Senior Fullstack Developer (React.js / Node.js) at Proxify AB?
This is a full time position.
How do I apply?
Click the "Apply" button on this page to go to the official application at Proxify AB.

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