Senior JavaScript Developer Role

New

Skills

Ci/cd Pipelines Express.js Mongodb Node.js React Typescript Vue.js

Join JayWay as a Senior Full-Stack JavaScript Developer and lead the modernization of a global MERN-based platform. This role offers the opportunity to rebuild legacy systems, optimize performance, and implement best practices. You will play a pivotal role in shaping architecture, mentoring teammates, and making a tangible impact in a small, autonomous team environment.

Job Overview
  • Lead the transformation of a long-standing MERN application to a modern, scalable architecture.
  • Take ownership of technical decisions and influence the company's roadmap.
  • Work collaboratively in a remote, diverse team across 20+ countries.
  • Mentor and support team growth while sharing technical knowledge.
  • Enjoy autonomy, recognition, and opportunities for professional growth.
Key Responsibilities
  • Modernize and refactor the MERN stack incrementally.
  • Optimize MongoDB performance through query tuning, schema design, and indexing.
  • Identify and resolve performance bottlenecks across the full stack.
  • Upgrade outdated libraries and refine CI/CD pipelines to enforce best practices.
  • Produce clear documentation and support handovers.
  • Collaborate on new feature development and legacy improvements.
  • Mentor teammates and contribute to hiring and technical culture.
Required Skills & Qualifications
  • 5+ years of experience in full-stack JavaScript/TypeScript development.
  • Strong expertise in Node.js, React, MongoDB, and Express.js.
  • Experience with TypeScript, CI/CD pipelines, and Agile workflows.
  • Proven ability in refactoring legacy codebases and performance tuning.
  • Excellent communication skills in English and remote collaboration.
  • Bonus: Experience with Vue.js, team leadership, and AI-assisted development tools.

Job Type: Remote

Salary: Not Disclosed

Experience: Entry

Duration: 12 Months

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