Zinc

Automates global background checks for hiring

Fullstack Product Engineer

Full-Stack EngineeringUpdated on Nov 13

Full-timeLondon, UK£63k - £76k /yrHybrid

About the Job

Requirements

Solid working experience with Node.js using Express or Nest.js and modern frontend frameworks such as Vue/Nuxt or React/Next for end-to-end development.
Good hands-on experience delivering production applications using modern JavaScript and TypeScript practices.
Understanding of how to build scalable, maintainable systems.
Working familiarity with MongoDB and AWS services, including Lambda, S3, and API Gateway.
Some experience with deployment pipelines and automated processes.
Comfort writing tests using tools such as Jest and Cypress.
Ability to work collaboratively in cross-functional teams with engineers, designers, and product colleagues.
Ability to explain technical thinking clearly, ask questions, and engage constructively with feedback.

Responsibilities

Design and deliver clean, scalable, durable, high-impact features.
Collaborate with Product, Design, and the wider engineering team to understand product goals and contribute to technical decisions.
Maintain, optimize, and secure systems to support strong performance at scale.
Address technical challenges and develop elegant, maintainable solutions.
Learn from senior engineers, share knowledge, and contribute to continuous improvement.
Keep up with tools, trends, and best practices and bring ideas to the evolution of the technology stack and processes.
Take features from initial idea through production, ensuring they deliver value to users.
Consider how features improve user experience and support business goals.
Contribute to a respectful, inclusive team culture.

Desired Qualifications

Interest in deepening expertise in modern JavaScript and TypeScript practices.
Eagerness to develop stronger architectural instincts.
Interest in growing infrastructure skills.

We are expanding our engineering team to boost our development capacity and take our product to the next level. As a Fullstack Product Engineer, you'll play a hands-on role in building high-quality features across our platform, contributing to technical decisions, and helping us deliver a product that's efficient, robust, and a delight for thousands of customers to use.

You'll work closely with Product, Design, and more senior engineers to understand problems deeply, translate them into well-crafted solutions, and grow your ability to shape how we build for long-term success.

Building powerful features 🚀 – Design and deliver high-impact solutions that are clean, scalable, and built to last, delighting thousands of customers.

Contributing to the big picture 🎯 – Collaborate with Product, Design, and the wider engineering team to understand what we're building and why, and bring thoughtful input to technical decisions.

Keeping things running smoothly 🛠️ – Help maintain, optimise, and secure our systems so they perform at their best, even at scale.

Problem-solving like a pro 🧠 – Tackle tricky technical challenges with support from the team, building your ability to turn complex problems into elegant, maintainable solutions.

Growing and sharing 🤝 – Learn from senior engineers around you, share what you know, and contribute to a team culture of continuous improvement.

Staying ahead of the game 📚 – Keep up with new tools, trends, and best practices, and bring fresh ideas to how we evolve our stack and processes.

Owning your work end-to-end 🎨 – Take responsibility for features from initial idea to production, making sure every detail delivers value to users.

Hard skills ⚡

Full Stack Development 💻 – Solid working experience with Node.js (Express/Nest.js) and modern frontend frameworks like Vue/Nuxt or React/Next, building reliable experiences end-to-end.

TypeScript & JavaScript 📜 – Good hands-on experience delivering production applications using modern JS/TS practices, with a desire to deepen your expertise.

System Design 🏗️ – An understanding of how to build scalable, maintainable systems, and an eagerness to develop stronger architectural instincts over time.

Database & Cloud ☁️ – Working familiarity with MongoDB and AWS services (Lambda, S3, API Gateway), comfortable building and shipping cloud-native features.

DevOps & CI/CD 🚀 – Some experience with deployment pipelines and automated processes, with appetite to grow your infrastructure skills.

Testing & Quality Assurance 🧪 – Comfortable writing tests using tools like Jest and Cypress to ship with confidence.

Soft skills ✨

Highly Collaborative 🤝 – Works well in cross-functional teams alongside engineers, designers, and product, and actively contributes to a positive team dynamic.

Product-Minded 🚀 – Thinks beyond the code, staying curious about how features improve the user experience and serve broader business goals.

Clear Communicator 🗣️ – Can explain technical thinking clearly, ask good questions, and engage constructively with feedback.

Kind & Supportive ❤️ – Contributes to a respectful, inclusive team culture and brings a collaborative, humble attitude to their work.

About the Company

Zinc

Automates global background checks for hiring

Zinc provides a global background and reference checking platform that streamlines hiring by automating identity verification, criminal records checks, and employment history in 190 countries. The service integrates with existing Applicant Tracking Systems (ATS) and HRIS to reduce manual tasks for recruiters and hiring managers. Zinc emphasizes a candidate-friendly verification process while ensuring compliance and security, making it easier for teams to vet applicants and hire with confidence. Compared to others, Zinc differentiates itself through broad international screening coverage, seamless system integrations, and scalable automation that handles the complexities of background screening in a centralized software solution. The company’s goal is to simplify and secure the candidate vetting process, speeding up hiring while maintaining accuracy and compliance.

Company size: 51-200
Company stage: Late Stage VC
Total funding: $10M
Headquarters: London, United Kingdom
Founded: 2017

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