Senior Fullstack Developer Jobs

Fundraise Up

Location:
Turkey

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

Save Job

Apply Position

Job Description:

As a Senior Fullstack Developer, you will be a key contributor to our core product, building and scaling features that are central to the donation experience for millions of users. You'll leverage your expertise in Node.js, React, and TypeScript to develop complex components—from dynamic donation widgets to data-driven admin dashboards—with a relentless focus on code quality, scalability, and user experience.

Job Responsibility:

Design, build, and maintain resilient frontend and backend features using React and Node.js
Develop our core products, including donation checkouts, embeddable widgets, and donor/partner portals
Architect and develop system components that scale across millions of monthly transactions
Write clean, well-documented, and thoroughly testable code
Drive architecture and technical design discussions to find elegant solutions to complex problems
Mentor peers by conducting thoughtful code reviews and providing constructive feedback
Partner with product managers and designers to clarify requirements and shape the roadmap
Proactively identify and resolve bugs, performance bottlenecks, and optimization opportunities

Requirements:

7+ years of professional fullstack development experience
Deep understanding of modern JavaScript (event loop, closures, promises, prototypes)
Expert-level proficiency with React and its ecosystem (familiarity with Vue is a plus)
Strong backend expertise with Node.js (experience with Koa or NestJS is highly preferred)
Experience with Webpack configuration, performance optimization, and profiling
A keen eye for detail and a high sense of ownership and accountability for your work

Nice to have:

Experience with MongoDB, ClickHouse, or Elasticsearch
Familiarity with Docker, CI/CD pipelines, or cloud infrastructure
Contributions to open-source projects or a strong personal portfolio
Curiosity and a hypothesis-driven mindset
Ability to communicate complex analytical concepts to non-technical audiences
Detail-oriented with a strong sense of ownership
Comfort working in fast-paced, data-rich environments

What we offer:

31 days off
100% paid telemedicine plan
Home Office Setup Assistance: the company offers assistance with purchasing furniture (office chair, office desk, monitor) and other items to create a comfortable workspace
English learning courses
Relevant professional education
Gym or swimming pool
Co-working
Remote working
stock options

Additional Information:

Job Posted:
December 08, 2025

Employment Type:

Fulltime

Work Type:

Remote work

View All Jobs In This Company

Job Link Share:

Senior Fullstack Developer