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Senior Full Stack Developer; UI Lean

Job in Boston, Suffolk County, Massachusetts, 02298, USA
Listing for: Selby Jennings
Full Time position
Listed on 2026-02-15
Job specializations:
  • Software Development
    Full Stack Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Position: Senior Full Stack Developer (UI Lean)

A rapidly growing fintech firm is undergoing a major digital transformation and building next‑generation cloud platforms to support critical business operations and the broader transition toward smarter, greener energy systems. We're looking for a Senior Full Stack Developer (UI Lean) who is passionate about solving complex problems, modernizing workflows, and delivering high‑quality software that drives meaningful business value.

If you thrive in collaborative environments, enjoy taking ownership of end‑to‑end systems, and love applying modern engineering practices to real‑world challenges, we'd love to meet you.

What You'll Do

As a Senior Full Stack Developer, you will play a key role in designing and delivering scalable, cloud‑based applications and automated workflows. You will work closely with engineering and business teams to build systems that streamline processes, enhance visibility, and support strategic decision‑making.

Your responsibilities will include:

  • Developing and maintaining full‑stack applications using React, Type Script, Python, and FastAPI
    .
  • Building and optimizing APIs and microservices for performance, reliability, and scale.
  • Designing data workflows with technologies such as Snowflake and Postgres
    .
  • Implementing distributed caching solutions using Redis.
  • Delivering solutions through an agile development process
    .
  • Writing clean, maintainable, well‑tested code that meets modern engineering standards.
  • Implementing CI/CD pipelines
    , workflow automation, and Dev Ops best practices for cloud deployments.
  • Identifying opportunities for reusable components and automation to accelerate delivery and reduce technical overhead.
What You Bring
  • 7+ years of professional software development experience.
  • Strong proficiency with React, Type Script, Python, FastAPI
    .
  • Deep understanding of OOP, algorithms, design patterns
    , and scalable system design.
  • Experience with Redis
    , distributed systems, and performance optimization.
  • Exposure to cloud services (Azure or similar), including Functions, Storage, Data Factory, and SQL databases.
  • Hands‑on experience with CI/CD, Dev Ops tools, and cloud‑native applications
    .
  • Excellent communication skills and a strong drive for continuous learning.
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Position Requirements
10+ Years work experience
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