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Information Technology 🏢 Full Time ⭐️ Verified

Senior Full Stack Software Engineer

Apex Innovations
San Francisco
Estimated Salary
USD 160.000 – USD 210.000
New
Live Update
30 September 2026
Deadline
30 Sep 2027

Job Description

About Apex Innovations
We are a rapidly scaling FinTech unicorn on a mission to revolutionize digital payments. Our engineering team is driven by a passion for clean code, scalability, and user-centric design. We are seeking a visionary Senior Full Stack Software Engineer to lead the development of our next-generation payment processing platform.


Why Join Us?

  • Competitive salary and equity package.
  • Unlimited PTO and comprehensive health benefits.
  • Remote-first culture with a focus on work-life balance.
  • Access to the latest tech stack and continuous learning budgets.

The Role

As a Senior Full Stack Engineer, you will bridge the gap between design and implementation. You will own features from conception to deployment, ensuring high performance and reliability. You will mentor junior developers and collaborate closely with product managers to define the roadmap.

Responsibilities

  • Design, develop, and maintain scalable web applications using React and Node.js.
  • Architect robust APIs and microservices to support high-volume transaction processing.
  • Write clean, maintainable, and well-tested code that adheres to best practices.
  • Mentor junior engineers and conduct code reviews to maintain code quality standards.
  • Collaborate with cross-functional teams (Product, Design, QA) to define product requirements and features.
  • Troubleshoot complex technical issues and optimize application performance.
  • Participate in the full software development lifecycle, including Agile/Scrum ceremonies.

Qualifications

  • Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent professional experience).
  • 5+ years of experience in full-stack software development.
  • Strong proficiency in JavaScript (ES6+), TypeScript, React, and Node.js.
  • Experience with cloud platforms (AWS, GCP, or Azure).
  • Deep understanding of database systems (SQL and NoSQL).
  • Familiarity with containerization tools (Docker, Kubernetes).
  • Excellent problem-solving skills and ability to work in a fast-paced startup environment.

Required Skills

JavaScript TypeScript React Node.js AWS Docker SQL RESTful APIs Agile Microservices

Ready to Take This Challenge?

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