Lead Full Stack Java Software Engineer - React & Microservices

  • $180,000–$215,000 Per Year

Highlights

About the Role: We're seeking a highly skilled Lead/Senior Full Stack Developer with deep experience in building microservices-based platforms to join our fintech engineering team. This role involves building user-facing interfaces with React/TypeScript and creating scalable microservices that power the backend.

Numbers & Facts

LocationSausalito, CA
Salary$180,000–$215,000 Per Year

Description

About the Role:
  • We're seeking a highly skilled Lead/Senior Full Stack Developer with deep experience in building microservices-based platforms to join our fintech engineering team. You'll play a hands-on role in developing our enterprise application used for equity portfolio construction and direct indexing.
  • This role involves building user-facing interfaces with React/TypeScript and creating scalable microservices that power the backend. You'll work in an agile environment with a strong focus on performance, maintainability, and end-user experience.
  • If you're passionate about full-stack development, microservices architecture, and modern DevOps practices, we'd love to talk to you.

Key Responsibilities:
  • Develop high-quality, user-friendly interfaces using React and TypeScript.
  • Build and maintain backend microservices supporting complex financial tools.
  • Own full feature development across the entire tech stack from UI to backend services to database layers.
  • Design and enhance microservices that support equity portfolio construction.
  • Ensure scalable deployment via Kubernetes (K8s) clusters.
  • Continuously modernize components using current technologies and design best practices.
  • Collaborate with developers, product managers, and end-users.
  • Mentor junior developers and contribute to team leadership.
  • Participate in CI/CD improvements and engineering process enhancements.
  • Help attract and hire top engineering talent.

Required Qualifications:
  • 5+ years of experience in full-stack development.
  • Strong hands-on experience with JavaScript/TypeScript and front-end frameworks like React.
  • Proven experience designing and developing backend microservices architectures.
  • Solid foundation in software engineering: data structures, algorithms, design patterns.
  • Familiarity with relational databases.
  • Agile development experience.
  • Excellent written and verbal communication skills.
  • Ability to work in a cross-functional, fast-paced environment.

Nice to Have:
  • Experience with Python, Java, or Scala.
  • Familiarity with AWS services and cloud-native architectures.
  • Exposure to enterprise fintech systems.
  • Contributions to CI/CD pipelines and DevOps practices.

Must-Have Skills (Non-Negotiable):
  • Expertise in designing and developing microservices, including interface definition, backend logic, and integration.
  • Ability to develop full-stack solutions from React-based UIs to microservices and database layers.
  • Hands-on experience deploying components in Kubernetes.
  • Proven track record of modernizing enterprise applications using contemporary tools and third-party services.

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