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ZipRecruiter

Senior Full Stack Engineer (New York office 2-3x per week)

ZipRecruiter, New York, New York, us, 10261

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Overview

PolyAI automates customer service through lifelike voice assistants that let customers lead a conversation. Our voice assistants make it possible for businesses to deliver outstanding customer service that rivals their human agents. Our customers, which include the world's leading logos, are expanding how they use our platform, driving automation of critical customer service operations and integrating PolyAI into their daily customer service workflows. We are seeking an experienced

Senior Full Stack Developer

(backend-focused) to join our team and shape our cutting-edge low-code platform. In this role, you\u2019ll work end-to-end, from design to implementation, on features that make it easy for users to interact with complex AI systems. You\u2019ll also play a key role in mentoring junior engineers and guiding technical decisions. If you\u2019re passionate about Python and great API design, or love working with React to build intuitive tools that empower non-technical users to harness AI, we\u2019d love to hear from you!

Responsibilities

Architect and Develop: Design and implement our external-facing API that enables developers to build, manage, analyse, and interact with our agents. Help to build and enhance our no-code platform, enabling non-technical users to configure sophisticated dialogue systems and voice experiences.

Full-Stack Development: Design and implement features end-to-end, using Python for backend services and React (Next.js) for frontend interfaces.

Create intuitive interfaces: Build user-friendly APIs and UIs that simplify and visualise complex AI concepts.

Champion Best Practices: Lead the team in adopting coding standards and best practices, ensuring a clean, maintainable, and scalable codebase.

Collaborate: Work closely with cross-functional teams to design, develop, and deliver features that align with the platform\u2019s vision.

Mentor and Guide: Provide technical leadership and guidance to junior engineers, fostering a collaborative and growth-oriented environment.

Optimise Performance: Improve backend workflows, streamline processes, and enhance overall system efficiency.

Requirements

Proven Expertise in Python: 5+ years of extensive experience building backend systems, with a strong understanding of REST APIs (experience with WebSockets is a plus).

Frontend Proficiency: Strong experience with React and JavaScript (TypeScript); experience with CSS-in-JS and utility-first CSS frameworks (e.g., styled-components, Tailwind CSS).

Agile Practitioner: Familiarity with Agile methodologies such as Scrum or Kanban.

Testing Advocate: Experience writing and maintaining unit tests in Python and JavaScript (Jest, React Testing Library, Playwright).

Security-Minded: Experience managing secure communication protocols between client and server.

Version Control: Proficiency with Git for collaborative development.

Additional Skills (Desirable): knowledge of Go and experience with Next.js

Salary and Benefits We provide a competitive salary range for this role, which is

$170k – $200k -

depending on level and experience. Please note this range is intended as a guide, not a guarantee. Final compensation will be based on individual qualifications, relevant experience, and the scope of the role. In addition to salary, this position includes equity in the business, giving you the opportunity to share in the company\u2019s long-term success.

Benefits

Participation in the company's employee share options plan

Medical, dental & vision coverage: 100% of employee and 70% of dependent for medical

Life Insurance

STD and LTD

The opportunity to contribute to the company's 401k plan

Flexible PTO policy + 11 designated company holidays

Annual learning and development allowance

One-off WFH allowance on joining to support comfort and focus

Enhanced parental leave

Company-funded fertility and family-forming programmes

Menopause care programme with Maven

Values Our core values are:

Only the best

We expect the best from our people, we hire people that expect the best from themselves, and we nurture this drive for excellence.

Ownership

We care deeply about what we do. We take ownership of our initiatives, decisions and outcomes.

Relentlessly improve

We demand more from ourselves and are always evolving. Continuous, obsessive improvement is the only way we will transform the world of conversational AI.

Bias for action

Our world moves quickly and so do we. We take calculated risks and we deliver impact fast.

Disagree and commit

We are all working toward the same goal. If we don’t agree with something, we work hard to understand it and when a decision is made, we accept it and give it our all.

Build for people

We want the world to enjoy the experiences they have with us. We are building for a future that prefers automation.

PolyAI is proud to be an equal-opportunity employer. We celebrate and are committed to creating an inclusive environment for all employees. All employment decisions at PolyAI will be based on the business needs without attention to race, ethnicity, gender identity, sexual orientation, disability, family or parental status, neurodiversity status or status.

Kindly find the Privacy Notice for our recruitment process by following the link here. This document provides important information regarding how we handle your personal data throughout the recruitment journey.

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