Full Stack Engineer (Data Team - Mid or Senior Level) New London, England, United Kingdom · Lon[...]

PolyAI; London; On-site; GBP 45,000 - 85,000; Full time

Job summary

An established industry player is seeking talented Full Stack Engineers to join their dynamic team, focusing on backend development with Python and frontend interfaces using React. This exciting role involves designing and implementing features that enhance user experience while working on cutting-edge data processing pipelines. The company values collaboration and continuous improvement, providing a supportive environment for professional growth. With a commitment to excellence and innovation, this is a fantastic opportunity for individuals eager to make a significant impact in the world of AI-driven customer service.

Benefits

Employee share options plan

25 days holiday plus bank holidays

Flexible working from home policy

Work from outside of the UK for up to 6 months

Enhanced parental leave

Bike2Work scheme

Annual learning and development allowance

One-off WFH allowance

Company-funded fertility and family-forming programmes

Private healthcare and dental cover

Qualifications

• 3+ years for Mid level, 5+ years for Senior level experience required.
• Proven expertise in Python and SQL, building backend systems.

Responsibilities

• Design and implement features end-to-end using Python and React.
• Develop user-friendly UIs that simplify complex AI concepts.

Skills

Python

SQL

REST APIs

Agile methodologies

Git

Education

Bachelor's degree in Computer Science or related field

Tools

React

Next.js

Job description

Full Stack Engineer (Data Team - Mid or Senior Level)

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 looking to bring on 2 roles - one Mid level and one Senior level Full Stack Engineer with a strong backend focus to join our team and help shape our data processing pipelines and cutting-edge low-code platform. This role offers the opportunity to work end-to-end, from design to implementation, on creating features which enable a simple user experience for interacting with complex AI systems. This is an excellent opportunity for a technically proficient individual who is eager to learn and grow within a collaborative, fast-paced environment.

Responsibilities:

• Full-Stack Development: Design and implement features end-to-end, using Python for backend services and React (Next.js preferred) for frontend interfaces.
• Create Intuitive Interfaces: Develop user-friendly UIs that simplify and visualize 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’s vision.
• Mentor and Guide: Our Senior Engineer would provide technical leadership and guidance to junior engineers, fostering a collaborative and growth-oriented environment.
• Optimize Performance: Improve backend workflows, streamline processes, and enhance overall system efficiency.

Qualifications:

• Mid level: around 3+ years experience, Senior level: 5+ years experience.
• Proven Expertise in Python and SQL: Extensive experience building backend systems, with a strong understanding of REST APIs. Experience with designing data schemas, building and maintaining data pipelines/ETLs (familiarity with event-driven processing is a plus).
• Agile Practitioner: Familiarity with Agile methodologies such as Kanban or Scrum.
• Version Control: Proficiency with Git for collaborative development.

Benefits:
Participation in the company’s employee share options plan
25 days holiday, plus bank holidays
Flexible working from home policy
Work from outside of the UK for up to 6 months each year
Enhanced parental leave
Bike2Work scheme
Annual learning and development allowance
One-off WFH allowance when you join
Company-funded fertility and family-forming programmes
Menopause care programme with Maven
Private healthcare and dental cover, discounts on gym members and relaxation apps, and access to a range of mental health programs.

At PolyAI, we take great pride in our values—they guide everything we do. We believe that a strong culture leads to meaningful work and lasting impact.

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 are hyper-focused on delivering the best automated experiences possible so that we can empower people to get exactly what they need, when they need it.

PolyAI is proud to be an equal-opportunity employer. We celebrate diversity 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 ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, neurodiversity status or disability status.