# Senior Software Engineer, Full Stack (GenSWE)

**Company:** [Plaid](https://hotfix.jobs/companies/plaid)
**Location:** New York, NY, San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** $191k – $287k/yr
**Experience:** 5+ years
**Skills:** JavaScript, HTML, CSS, MySQL, Microservices, Relational Databases, Frontend Frameworks, System Design, APIs, Backend Services
**Posted:** 2026-05-04

> Designs and builds scalable backend services, APIs, and intuitive frontend experiences to connect users to financial systems. Collaborates with PMs, designers, and engineers; requires 5+ years experience across full stack with strong system design skills.

## Job Description

## Responsibilities
- Build across the stack: Design, develop, and maintain scalable backend services and APIs, as well as intuitive, high-quality frontend applications.
- Collaborate cross-functionally: Partner closely with product managers and designers to define requirements and deliver features that solve real customer problems.
- Maintain high code quality: Write clean, maintainable, and well-tested code, and participate in code reviews and technical design discussions.
- Test and debug: Build automated tests, monitor system performance, and troubleshoot issues in production environments.
- Contribute to system design: Engage in hands-on coding and architectural decisions to ensure reliability, security, and scalability.
- Grow the team: Support a strong engineering culture through mentorship, thoughtful reviews, and shared ownership of technical standards.

## Qualifications
- 5+ years of software engineering experience with a track record of shipping production systems or features.
- Experience building backend services using relational databases such as **MySQL**, and working with microservices or service-oriented architectures.
- Strong working knowledge of **HTML**, **CSS**, **JavaScript**, and modern frontend frameworks or libraries, with comfort building user-facing experiences.
- Solid system design, coding, and testing skills across both frontend and backend.
- Proven ability to collaborate effectively with product, design, and other engineering partners.
- Experience mentoring or supporting the growth of other engineers through reviews, guidance, or leadership.
- Comfortable working across product, operations, and data teams to deliver end-to-end solutions.

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