Senior Product Engineer
Description
We are expanding our engineering team to boost our development capacity and take our product to the next level. As a Senior Product Engineer, you’ll play a central role in shaping the technical direction of our platform, building high\-quality features, influencing system architecture, and ensuring we deliver a product that’s efficient, robust, and a delight for thousands of customers to use.
You’ll work closely with Product, Design, and customers to deeply understand problems, translate them into elegant technical solutions, and help decide not only *what* we build but *how* we build it for long\-term success.### Key Responsibilities ️
Building powerful features – Design and deliver high\-impact solutions that are clean, scalable, and built to last, delighting thousands of customers.
Shaping the big picture – Work with Product, Design, and customers to define *what* we build and *how* we build it for long\-term success.
Keeping things running smoothly ️ – Maintain, optimise, and secure our systems so they perform at their best, even at scale.
Problem\-solving like a pro – Lead the charge on tricky technical challenges, turning complex problems into elegant, maintainable solutions.
Mentoring and leading – Support and guide other engineers, sharing knowledge and raising the technical bar for the team.
Staying ahead of the game – Keep up with new tools, trends, and best practices, helping us continuously evolve our stack and processes.
Owning your work end\-to\-end – Take full responsibility from initial idea to production, making sure every detail delivers value to users.### Skills, Knowledge and Expertise
Hard skills
Full Stack Development – Advanced skills with Node.js (Express/Nest.js) and modern frontend frameworks like Vue/Nuxt or React/Next, building smooth, scalable experiences end\-to\-end.
TypeScript \& JavaScript Mastery – Deep, hands\-on expertise delivering production\-grade applications using modern JS/TS best practices.
System Design \& Architecture ️ – Proven ability to create scalable, maintainable, and high\-performance systems that stand the test of time.
Database \& Cloud ️ – Strong experience with MongoDB and AWS services (Lambda, S3, API Gateway) for robust, cloud\-native solutions.
DevOps \& CI/CD – Skilled at creating and managing pipelines, automated deployments, and infrastructure\-as\-code to keep things shipping smoothly.
Testing \& Quality Assurance – Proficient with tools like Jest and Cypress to ensure quality, reliability, and confidence in every release.
Highly Collaborative – Thrives in cross\-functional teams, working closely with engineers, designers, and product to deliver exceptional results.
Product\-Minded – Always focused on customer impact, thinking beyond code to how features improve the user experience and meet business goals.
Clear Communicator ️ – Able to explain technical decisions simply, provide constructive feedback, and make complex ideas accessible to all stakeholders.
Kind \& Supportive ❤️ – Builds a positive, respectful team culture, lifting others up and working with humility and empathy.### What we offer
Zinc offers a chance to work on a product that brings a fresh perspective on data ownership in hiring
24 days holiday \+ Bank Holidays \+ your birthday off* £1200 annual benefits allowance (ThanksBen, from month 2\)
- Early finish Fridays (16:00\)
- Yearly company retreat abroad ✈️
- Enhanced Maternity, Paternity, and Adoption Leave (2 months full pay, then statutory)
- Statutory pension with NEST (3% employer, 5% employee)
- Zinc shares, issued through the EMI Scheme
- Unlimited access to MoreHappi coaching
- Company socials, quarterly team socials, free Monday lunches
- Nursery workplace benefit scheme (Yellownest)
- Option to lease an electric car through Electric Car Scheme
About Zinc
Who we are
Zinc builds automated reference and background checking tools designed to improve candidate experience and set new industry standards. Founded in 2017 by a team with extensive HRTech experience, Zinc is an early\-stage startup rapidly growing as it redefines efficiency, transparency, and fairness in background checks.
Read more about our story here: https://zincwork.com/mission
We're a culture first company, by this we don't just mean an active calendar of both company and team organised events (which we do have ),Zinc's culture is defined by a respectful and autonomous approach to all employees, fostering support for new ideas, promoting a flexible work environment, and operating within a flat structure. While socials, lunches, and events enhance the experience, the core of Zinc's culture drives employees to embrace innovation, share successes, and feel motivated about the company's future.
We recently redefined our company values:
The pieces that make Zinc: Pragmatic, Integrity, Empathy, Collaborate, Empowered, Speed.
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