Senior Full-Stack React/Java Developer – SaaS Platform Relaunch

Filled
February 23, 2026
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Job Description

We are seeking an experienced Full-Stack Developer to help relaunch a B2B SaaS product management platform. This platform has an award-winning UX, a recognized brand, and full-featured freemium and paid plans. The ideal candidate will have strong expertise in Java (Spring Boot), React, GraphQL, and cloud deployment, with a keen eye for design and architecture.

Key Responsibilities

  • Audit the existing frontend and backend codebase to identify issues and recommend improvements.
  • Deploy the platform to staging and production environments on Google Cloud Platform (GCP).
  • Set up local and cloud development environments for smooth collaboration.
  • Connect domain, SSL certificates, and database systems.
  • Oversee technical relaunch and recommend short-term and long-term improvements.
  • Collaborate with founders and product teams to ensure high-quality, maintainable, and scalable solutions.
  • Support post-deployment maintenance and new feature development as needed.

Required Skills & Experience

  • Strong experience in Java (Spring Boot) backend development.
  • Proficiency with React frontend development.
  • Experience with GraphQL APIs and database integration (MySQL preferred).
  • Familiarity with cloud deployment on GCP and CI/CD practices.
  • Ability to troubleshoot and optimize full-stack systems for performance and reliability.
  • Excellent communication skills and ability to collaborate remotely.

Preferred / Nice-to-Have

  • Experience relaunching SaaS platforms or enterprise web applications.
  • Knowledge of UI/UX design principles to enhance user experience.
  • Familiarity with freemium/paid SaaS monetization models.
  • Experience with automated testing and monitoring tools.

Why Join

  • Contribute to the technical relaunch of a recognized SaaS platform.
  • Work with a small, highly collaborative team on strategic product initiatives.
  • Opportunity to influence architecture, performance, and feature enhancements.
  • Flexible schedule with ~10 hours/week and long-term collaboration potential.