Lead Software Development Engineer

Immigration / Work Authorization Notice: Applicants must be currently authorized to work in the United States. iSpot is not able to sponsor or take over sponsorship of an employment visa for this position at this time. iSpot competes for the best talent.

Compensation

packages consist of salary and equity in one of Seattle’s hottest start-ups, as well as other standard

Benefits

Most importantly, we provide a really interesting working experience, and the chance to contribute to the success of something great. What You’ll Be Part Of: You’ll join a high‑impact engineering organization building scalable, shareable technologies that power multiple product teams. As a full‑stack engineer with a strong affinity for front‑end development, you’ll shape user experiences, define UI architecture, and build reusable components that accelerate development across the company.

Your work will influence product direction, elevate engineering productivity, and help define the next generation of platform and UI capabilities.

Responsibilities

: Design and implement extensible, shareable full‑stack features across multiple engineering projects, with a strong emphasis on front‑end architecture and user experience. , React). Serve as a go‑to technical expert for front‑end patterns, performance, accessibility, and best practices.

Review code with prescriptive, actionable feedback; contribute to coding standards and UI/UX guidelines. Drive improvements to automation systems and testing frameworks, including front‑end testing strategies. Explore and evaluate AI technologies to enhance team productivity and effectiveness.

Create space for teammates to adopt AI tooling through pairing, demos, and documentation. Lead research into external technologies (front‑end and full‑stack) and propose adoption strategies.

, create and update runbooks/SOPs, and coach others on incident investigation.

Requirements

and technical designs for multiple projects. Work cross‑functionally to align partners and stakeholders to project vision, mission, and strategy. Mentor less experienced engineers in communication, design, UI engineering, and execution.

Communicate clearly and effectively, tailoring messaging to technical and non‑technical audiences.

: Extensive experience developing full‑stack software, including shareable front‑end and platform components. Deep expertise in front‑end engineering using modern frameworks such as **React**, plus strong understanding of JavaScript/TypeScript, state management, and UI performance. Strong understanding of test automation systems, maintainable test patterns, and quality‑driven engineering (including front‑end testing frameworks like Jest, React Testing Library, Cypress).

Strong knowledge of data structures, algorithms, and performance optimization techniques. Experience authoring and reviewing technical designs for complex, multi‑team projects. Proven ability to independently deliver high‑impact engineering work.

Preferred Skills: Frontend Development Core Languages: HTML5, CSS3, and JavaScript (ES6+). Frameworks/Libraries: React Design Principles: Responsive web design and mobile-first development. js (JavaScript/TypeScript), Python (Django/Flask), or Java (Spring Boot).

API Architecture: RESTful APIs (standard) and GraphQL (modern alternative). Server Logic: Authentication (JWT/OAuth), authorization, and middleware. Database Management Relational (SQL): PostgreSQL, MySQL, or SQL Server for structured data.

Non-Relational (NoSQL): Redis for caching. Querying: Proficiency in writing SQL queries and utilizing ORMs (like Prisma or Sequelize).

Qualifications

and Education