Demo

Senior Software Development Engineer II- L6

Quick Quack Car Wash
Quick Quack Car Wash Salary
Rocklin, CA Full Time
POSTED ON 4/9/2026
AVAILABLE BEFORE 5/8/2026
Job Details

Description

Job Summary:

The Senior Software Development Engineer II (SDE Level 6) will be responsible for coding and developing software applications. They will provide technical leadership in a defined development team and potentially across other teams. Their job is to ensure all projects are completed on time and to specifications using engineering best practices.

What This Role Looks Like

In this role, you’ll play a key part in shaping the products owned by the Client Applications team, including the company website, the myQQ customer portal where users manage their accounts, and Enterprise, our B2B product. As a senior engineer, you will help ensure our applications are performant, reliable, scalable, secure, and built with high code quality standards. You and the team will monitor the health of the platform from both a technical and business perspective, maintaining a strong pulse on the product using tools such as Opsgenie, Honeycomb, and Amplitude to proactively improve the customer experience. You’ll work closely with Product, Marketing, Sales, and other stakeholders to translate customer and revenue-driving needs into scalable solutions, while evaluating tradeoffs between building in-house, leveraging existing tools, or adopting off-the-shelf services.

Essential Duties And Responsibilities

  • Meets with engineering, product managers, and outside stakeholders to discuss and plan software projects as a subject matter expert of multiple products or feature sets.
  • Leading estimation process on proposed features and assists with roadmap planning activities.
  • Prepares reports on engineering project specifications, activities, and status.
  • Conducts feasibility studies for new features, software systems, and platforms to guide the direction of the technical stack used by the company and independently leads architectural review documents.
  • Leads a development team and collaborates with other teams in and out of department, in the design and building of software applications.
  • Designs new software applications, systems, tooling, and guides department policies and standards.
  • Makes authoritative decisions and recommendations within the team for projects and initiatives.
  • Facilitates collaboration across multiple engineering teams in the design of new features and functionality.
  • Conducts requirement analysis, documents technical specifications, and writes, reviews, and debugs code.
  • Develops and maintains documentation, creates architectural and software design diagrams and documents.
  • Performs work independently.
  • Considered a high-level specialist who regularly interacts and works with senior management.
  • Proactively seeks leadership, coaching, and mentoring opportunities with fellow engineers.
  • Influences and guides the technical strategy of the team in conjunction with business priorities and industry trends.
  • Performs other duties as assigned.

Ideal Candidate Would Have Worked With

  • Front End:
  • Experience with Angular 17 , including application architecture, state management, and performance optimization.
  • Proficiency with TypeScript and modern JavaScript.
  • Back End:
  • Experience building services in Golang.
  • Strong understanding of RESTful API design and implementation.
  • Systems & Integration:
  • Understanding HTTP/HTTPS protocols, request/response lifecycles, and API security.
  • Ability to design, debug, and maintain scalable, distributed systems.

Qualifications And Requirements

  • Bachelor's or a master’s degree and 8 years of experience.
  • Excellent verbal and written communication skills.
  • Deep knowledge of at least one high-level programming language.
  • Advanced knowledge of computer systems and network protocols.
  • Technical expertise.
  • Able to debug complex, distributed systems.
  • Problem-solving skills.
  • Detail-oriented.
  • Ability to work as part of a team and good interpersonal skills.
  • If you are tasked to drive as a part of this role, then it is required that you have a clean driving record and a current Driver's License that is not suspended or expired.
  • Prolonged periods sitting at a desk and working on a computer.
  • Must be able to lift up to 15 pounds at times.

Travel

May have to travel a few times a year for onsite team events and training.

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